Dril-Quip Inc NYSE:DRQ Historical Prices

Below are the 6633 trading days of historical prices for DRQ.

#	Exchange	Symbol	Date	Open	High	Low	Close
6633	NYSE	DRQ	Tue, Mar 5, 2024	22.44	22.79	22.17	22.46
6632	NYSE	DRQ	Mon, Mar 4, 2024	23.22	23.35	22.49	22.49
6631	NYSE	DRQ	Fri, Mar 1, 2024	22.91	23.30	22.67	23.14
6630	NYSE	DRQ	Thu, Feb 29, 2024	22.96	23.46	22.48	22.60
6629	NYSE	DRQ	Wed, Feb 28, 2024	23.21	23.65	22.59	22.65
6628	NYSE	DRQ	Tue, Feb 27, 2024	21.99	23.69	21.84	23.52
6627	NYSE	DRQ	Mon, Feb 26, 2024	21.11	21.51	20.82	21.34
6626	NYSE	DRQ	Fri, Feb 23, 2024	20.73	21.38	20.73	21.26
6625	NYSE	DRQ	Thu, Feb 22, 2024	20.97	21.35	20.69	21.04
6624	NYSE	DRQ	Wed, Feb 21, 2024	21.11	21.60	20.90	21.21
6623	NYSE	DRQ	Tue, Feb 20, 2024	21.08	21.36	20.82	21.02
6622	NYSE	DRQ	Fri, Feb 16, 2024	21.19	21.28	20.71	21.20
6621	NYSE	DRQ	Thu, Feb 15, 2024	20.48	21.26	20.43	21.23
6620	NYSE	DRQ	Wed, Feb 14, 2024	20.32	20.47	20.07	20.38
6619	NYSE	DRQ	Tue, Feb 13, 2024	20.84	20.93	20.03	20.05
6618	NYSE	DRQ	Mon, Feb 12, 2024	20.50	21.23	20.50	21.08
6617	NYSE	DRQ	Fri, Feb 9, 2024	20.40	20.64	20.27	20.38
6616	NYSE	DRQ	Thu, Feb 8, 2024	19.61	20.36	19.61	20.32
6615	NYSE	DRQ	Wed, Feb 7, 2024	19.89	20.01	19.43	19.61
6614	NYSE	DRQ	Tue, Feb 6, 2024	19.71	20.13	19.70	19.89
6613	NYSE	DRQ	Mon, Feb 5, 2024	19.67	19.69	18.93	19.62
6612	NYSE	DRQ	Fri, Feb 2, 2024	20.10	20.22	19.61	19.72
6611	NYSE	DRQ	Thu, Feb 1, 2024	20.15	20.40	19.55	20.26
6610	NYSE	DRQ	Wed, Jan 31, 2024	21.23	21.23	20.00	20.07
6609	NYSE	DRQ	Tue, Jan 30, 2024	21.67	21.67	21.02	21.16
6608	NYSE	DRQ	Mon, Jan 29, 2024	22.11	22.19	21.61	22.14
6607	NYSE	DRQ	Fri, Jan 26, 2024	21.88	22.35	21.66	22.16
6606	NYSE	DRQ	Thu, Jan 25, 2024	22.37	22.37	21.50	21.79
6605	NYSE	DRQ	Wed, Jan 24, 2024	21.55	22.13	21.24	21.99
6604	NYSE	DRQ	Tue, Jan 23, 2024	21.38	21.85	21.32	21.36
6603	NYSE	DRQ	Mon, Jan 22, 2024	21.20	21.69	21.12	21.30
6602	NYSE	DRQ	Fri, Jan 19, 2024	21.27	21.27	20.80	21.10
6601	NYSE	DRQ	Thu, Jan 18, 2024	20.58	21.13	20.51	21.09
6600	NYSE	DRQ	Wed, Jan 17, 2024	20.45	20.82	20.31	20.46
6599	NYSE	DRQ	Tue, Jan 16, 2024	20.82	20.91	20.64	20.65
6598	NYSE	DRQ	Fri, Jan 12, 2024	21.04	21.30	20.68	21.04
6597	NYSE	DRQ	Thu, Jan 11, 2024	20.48	20.53	19.89	20.47
6596	NYSE	DRQ	Wed, Jan 10, 2024	20.73	20.73	20.07	20.38
6595	NYSE	DRQ	Tue, Jan 9, 2024	21.50	21.50	20.61	20.85
6594	NYSE	DRQ	Mon, Jan 8, 2024	21.93	21.94	21.12	21.59
6593	NYSE	DRQ	Fri, Jan 5, 2024	21.87	22.46	21.87	22.40
6592	NYSE	DRQ	Thu, Jan 4, 2024	22.52	22.72	21.56	21.76
6591	NYSE	DRQ	Wed, Jan 3, 2024	22.90	23.04	22.43	22.51
6590	NYSE	DRQ	Tue, Jan 2, 2024	23.41	23.58	22.67	22.77
6589	NYSE	DRQ	Fri, Dec 29, 2023	23.53	23.59	23.24	23.27
6588	NYSE	DRQ	Thu, Dec 28, 2023	23.62	23.70	23.40	23.58
6587	NYSE	DRQ	Wed, Dec 27, 2023	23.80	23.99	23.62	23.83
6586	NYSE	DRQ	Tue, Dec 26, 2023	23.71	24.00	23.36	23.84
6585	NYSE	DRQ	Fri, Dec 22, 2023	23.70	23.98	23.25	23.31
6584	NYSE	DRQ	Thu, Dec 21, 2023	23.04	23.52	22.70	23.51
6583	NYSE	DRQ	Wed, Dec 20, 2023	22.97	23.65	22.88	23.07
6582	NYSE	DRQ	Tue, Dec 19, 2023	22.77	23.22	22.41	23.01
6581	NYSE	DRQ	Mon, Dec 18, 2023	22.83	23.32	22.58	22.60
6580	NYSE	DRQ	Fri, Dec 15, 2023	22.69	22.78	22.28	22.34
6579	NYSE	DRQ	Thu, Dec 14, 2023	22.58	23.12	22.40	22.67
6578	NYSE	DRQ	Wed, Dec 13, 2023	20.85	21.99	20.74	21.93
6577	NYSE	DRQ	Tue, Dec 12, 2023	21.30	21.48	20.69	20.74
6576	NYSE	DRQ	Mon, Dec 11, 2023	21.45	21.80	21.38	21.42
6575	NYSE	DRQ	Fri, Dec 8, 2023	21.15	21.56	21.10	21.52
6574	NYSE	DRQ	Thu, Dec 7, 2023	20.94	21.14	20.56	20.94
6573	NYSE	DRQ	Wed, Dec 6, 2023	21.57	21.99	20.83	20.88
6572	NYSE	DRQ	Tue, Dec 5, 2023	22.47	22.48	21.65	21.68
6571	NYSE	DRQ	Mon, Dec 4, 2023	22.58	22.58	22.24	22.42
6570	NYSE	DRQ	Fri, Dec 1, 2023	22.27	22.86	22.22	22.56
6569	NYSE	DRQ	Thu, Nov 30, 2023	22.79	23.23	22.16	22.22
6568	NYSE	DRQ	Wed, Nov 29, 2023	22.67	22.88	22.39	22.50
6567	NYSE	DRQ	Tue, Nov 28, 2023	22.55	22.63	22.26	22.50
6566	NYSE	DRQ	Mon, Nov 27, 2023	22.51	22.79	22.37	22.56
6565	NYSE	DRQ	Fri, Nov 24, 2023	22.50	22.89	22.50	22.66
6564	NYSE	DRQ	Wed, Nov 22, 2023	21.90	22.55	21.73	22.50
6563	NYSE	DRQ	Tue, Nov 21, 2023	22.65	22.80	22.40	22.50
6562	NYSE	DRQ	Mon, Nov 20, 2023	22.90	23.05	22.65	22.93
6561	NYSE	DRQ	Fri, Nov 17, 2023	22.85	23.31	22.55	22.57
6560	NYSE	DRQ	Thu, Nov 16, 2023	23.30	23.60	22.29	22.53
6559	NYSE	DRQ	Wed, Nov 15, 2023	23.30	23.91	23.30	23.49
6558	NYSE	DRQ	Tue, Nov 14, 2023	22.86	23.40	22.41	23.31
6557	NYSE	DRQ	Mon, Nov 13, 2023	22.23	22.54	21.88	22.44
6556	NYSE	DRQ	Fri, Nov 10, 2023	22.24	22.64	21.96	22.34
6555	NYSE	DRQ	Thu, Nov 9, 2023	21.92	22.19	21.66	22.03
6554	NYSE	DRQ	Wed, Nov 8, 2023	21.57	21.89	21.49	21.78
6553	NYSE	DRQ	Tue, Nov 7, 2023	22.17	22.17	21.34	21.78
6552	NYSE	DRQ	Mon, Nov 6, 2023	23.33	23.34	22.39	22.61
6551	NYSE	DRQ	Fri, Nov 3, 2023	23.56	23.76	22.77	23.02
6550	NYSE	DRQ	Thu, Nov 2, 2023	23.18	23.57	22.94	23.39
6549	NYSE	DRQ	Wed, Nov 1, 2023	22.00	23.14	21.65	22.94
6548	NYSE	DRQ	Tue, Oct 31, 2023	22.93	22.93	21.51	21.66
6547	NYSE	DRQ	Mon, Oct 30, 2023	23.04	23.47	22.25	22.76
6546	NYSE	DRQ	Fri, Oct 27, 2023	23.50	24.30	22.25	22.78
6545	NYSE	DRQ	Thu, Oct 26, 2023	24.69	24.69	23.87	24.06
6544	NYSE	DRQ	Wed, Oct 25, 2023	25.00	25.26	24.52	24.79
6543	NYSE	DRQ	Tue, Oct 24, 2023	24.68	25.46	24.50	25.17
6542	NYSE	DRQ	Mon, Oct 23, 2023	25.55	25.59	24.58	24.61
6541	NYSE	DRQ	Fri, Oct 20, 2023	26.49	26.49	25.60	25.69
6540	NYSE	DRQ	Thu, Oct 19, 2023	26.05	26.75	25.97	26.41
6539	NYSE	DRQ	Wed, Oct 18, 2023	26.16	26.33	25.98	26.23
6538	NYSE	DRQ	Tue, Oct 17, 2023	25.70	26.46	25.70	26.13
6537	NYSE	DRQ	Mon, Oct 16, 2023	26.16	26.23	25.74	25.89
6536	NYSE	DRQ	Fri, Oct 13, 2023	25.95	26.25	25.81	25.97
6535	NYSE	DRQ	Thu, Oct 12, 2023	26.21	26.21	25.29	25.61
6534	NYSE	DRQ	Wed, Oct 11, 2023	25.48	25.95	25.42	25.94
6533	NYSE	DRQ	Tue, Oct 10, 2023	25.73	25.91	25.58	25.77
6532	NYSE	DRQ	Mon, Oct 9, 2023	25.63	26.11	25.60	25.77
6531	NYSE	DRQ	Fri, Oct 6, 2023	25.28	25.84	25.04	25.08
6530	NYSE	DRQ	Thu, Oct 5, 2023	25.47	26.03	25.14	25.30
6529	NYSE	DRQ	Wed, Oct 4, 2023	26.58	26.58	25.55	25.69
6528	NYSE	DRQ	Tue, Oct 3, 2023	26.69	27.23	26.57	27.06
6527	NYSE	DRQ	Mon, Oct 2, 2023	28.08	28.11	26.30	26.67
6526	NYSE	DRQ	Fri, Sep 29, 2023	28.79	28.87	27.74	28.17
6525	NYSE	DRQ	Thu, Sep 28, 2023	29.35	29.50	28.48	28.88
6524	NYSE	DRQ	Wed, Sep 27, 2023	28.47	29.51	28.37	29.41
6523	NYSE	DRQ	Tue, Sep 26, 2023	27.28	28.15	27.22	28.06
6522	NYSE	DRQ	Mon, Sep 25, 2023	27.60	27.85	27.23	27.48
6521	NYSE	DRQ	Fri, Sep 22, 2023	28.01	28.35	27.65	27.69
6520	NYSE	DRQ	Thu, Sep 21, 2023	28.64	28.68	27.84	27.91
6519	NYSE	DRQ	Wed, Sep 20, 2023	28.01	28.89	28.01	28.61
6518	NYSE	DRQ	Tue, Sep 19, 2023	29.00	29.00	28.01	28.02
6517	NYSE	DRQ	Mon, Sep 18, 2023	29.23	29.36	28.63	28.80
6516	NYSE	DRQ	Fri, Sep 15, 2023	29.33	29.78	28.54	28.91
6515	NYSE	DRQ	Thu, Sep 14, 2023	29.92	30.12	29.13	29.27
6514	NYSE	DRQ	Wed, Sep 13, 2023	30.57	30.77	29.19	29.43
6513	NYSE	DRQ	Tue, Sep 12, 2023	29.43	30.93	29.43	30.53
6512	NYSE	DRQ	Mon, Sep 11, 2023	29.17	29.33	28.73	29.11
6511	NYSE	DRQ	Fri, Sep 8, 2023	29.22	29.59	29.13	29.20
6510	NYSE	DRQ	Thu, Sep 7, 2023	28.50	29.65	28.49	29.32
6509	NYSE	DRQ	Wed, Sep 6, 2023	28.60	29.41	28.46	29.10
6508	NYSE	DRQ	Tue, Sep 5, 2023	28.68	28.96	28.03	28.58
6507	NYSE	DRQ	Fri, Sep 1, 2023	27.94	29.26	27.94	28.76
6506	NYSE	DRQ	Thu, Aug 31, 2023	27.58	27.71	27.28	27.58
6505	NYSE	DRQ	Wed, Aug 30, 2023	27.47	27.75	27.33	27.51
6504	NYSE	DRQ	Tue, Aug 29, 2023	27.50	27.59	27.14	27.29
6503	NYSE	DRQ	Mon, Aug 28, 2023	27.45	27.90	27.16	27.51
6502	NYSE	DRQ	Fri, Aug 25, 2023	27.81	27.81	27.07	27.29
6501	NYSE	DRQ	Thu, Aug 24, 2023	27.54	27.91	27.16	27.63
6500	NYSE	DRQ	Wed, Aug 23, 2023	27.24	27.85	27.03	27.84
6499	NYSE	DRQ	Tue, Aug 22, 2023	27.56	28.14	27.31	27.57
6498	NYSE	DRQ	Mon, Aug 21, 2023	28.12	28.43	27.39	27.62
6497	NYSE	DRQ	Fri, Aug 18, 2023	27.63	28.67	26.80	28.10
6496	NYSE	DRQ	Thu, Aug 17, 2023	27.92	28.09	27.51	27.91
6495	NYSE	DRQ	Wed, Aug 16, 2023	27.35	27.81	27.20	27.47
6494	NYSE	DRQ	Tue, Aug 15, 2023	27.58	27.69	27.08	27.35
6493	NYSE	DRQ	Mon, Aug 14, 2023	28.08	28.08	27.55	27.84
6492	NYSE	DRQ	Fri, Aug 11, 2023	27.94	28.35	27.82	28.21
6491	NYSE	DRQ	Thu, Aug 10, 2023	27.41	27.93	27.41	27.90
6490	NYSE	DRQ	Wed, Aug 9, 2023	27.11	27.82	26.90	27.49
6489	NYSE	DRQ	Tue, Aug 8, 2023	26.87	27.13	26.56	26.86
6488	NYSE	DRQ	Mon, Aug 7, 2023	27.66	27.89	26.97	27.19
6487	NYSE	DRQ	Fri, Aug 4, 2023	28.34	28.35	27.55	27.75
6486	NYSE	DRQ	Thu, Aug 3, 2023	27.88	28.62	27.58	28.11
6485	NYSE	DRQ	Wed, Aug 2, 2023	26.76	27.65	26.37	27.61
6484	NYSE	DRQ	Tue, Aug 1, 2023	27.30	28.50	26.33	27.12
6483	NYSE	DRQ	Mon, Jul 31, 2023	25.63	26.02	25.36	25.89
6482	NYSE	DRQ	Fri, Jul 28, 2023	24.90	25.34	24.90	25.27
6481	NYSE	DRQ	Thu, Jul 27, 2023	25.29	25.47	24.58	24.79
6480	NYSE	DRQ	Wed, Jul 26, 2023	25.26	25.60	25.01	25.25
6479	NYSE	DRQ	Tue, Jul 25, 2023	25.57	25.63	25.32	25.45
6478	NYSE	DRQ	Mon, Jul 24, 2023	25.00	25.73	24.98	25.50
6477	NYSE	DRQ	Fri, Jul 21, 2023	25.50	25.62	24.93	24.98
6476	NYSE	DRQ	Thu, Jul 20, 2023	25.80	25.80	25.34	25.45
6475	NYSE	DRQ	Wed, Jul 19, 2023	25.59	26.19	25.50	25.60
6474	NYSE	DRQ	Tue, Jul 18, 2023	24.91	26.02	24.91	25.65
6473	NYSE	DRQ	Mon, Jul 17, 2023	24.61	25.12	24.54	24.99
6472	NYSE	DRQ	Fri, Jul 14, 2023	25.48	25.48	24.58	24.90
6471	NYSE	DRQ	Thu, Jul 13, 2023	26.08	26.25	25.31	25.67
6470	NYSE	DRQ	Wed, Jul 12, 2023	26.08	26.16	25.58	26.00
6469	NYSE	DRQ	Tue, Jul 11, 2023	24.83	25.75	24.32	25.64
6468	NYSE	DRQ	Mon, Jul 10, 2023	24.88	25.13	24.19	24.62
6467	NYSE	DRQ	Fri, Jul 7, 2023	23.16	24.96	23.10	24.74
6466	NYSE	DRQ	Thu, Jul 6, 2023	22.74	23.30	22.43	23.17
6465	NYSE	DRQ	Wed, Jul 5, 2023	23.52	23.52	22.91	22.97
6464	NYSE	DRQ	Mon, Jul 3, 2023	23.14	23.42	23.09	23.39
6463	NYSE	DRQ	Fri, Jun 30, 2023	23.24	23.44	23.02	23.27
6462	NYSE	DRQ	Thu, Jun 29, 2023	22.83	23.14	22.83	23.00
6461	NYSE	DRQ	Wed, Jun 28, 2023	22.80	22.84	22.38	22.68
6460	NYSE	DRQ	Tue, Jun 27, 2023	22.85	23.08	22.43	22.88
6459	NYSE	DRQ	Mon, Jun 26, 2023	22.29	23.34	22.29	22.69
6458	NYSE	DRQ	Fri, Jun 23, 2023	22.18	22.61	21.89	22.33
6457	NYSE	DRQ	Thu, Jun 22, 2023	22.76	22.84	22.27	22.67
6456	NYSE	DRQ	Wed, Jun 21, 2023	23.08	23.46	22.98	23.02
6455	NYSE	DRQ	Tue, Jun 20, 2023	23.42	23.42	22.60	23.24
6454	NYSE	DRQ	Fri, Jun 16, 2023	24.12	24.12	23.31	23.55
6453	NYSE	DRQ	Thu, Jun 15, 2023	23.88	24.17	23.63	23.84
6452	NYSE	DRQ	Wed, Jun 14, 2023	24.48	24.57	23.71	23.82
6451	NYSE	DRQ	Tue, Jun 13, 2023	24.95	25.42	24.33	24.33
6450	NYSE	DRQ	Mon, Jun 12, 2023	24.86	24.96	24.52	24.52
6449	NYSE	DRQ	Fri, Jun 9, 2023	25.56	25.56	25.08	25.30
6448	NYSE	DRQ	Thu, Jun 8, 2023	25.41	26.20	25.30	25.68
6447	NYSE	DRQ	Wed, Jun 7, 2023	24.47	25.59	24.45	25.41
6446	NYSE	DRQ	Tue, Jun 6, 2023	23.99	24.63	23.99	24.33
6445	NYSE	DRQ	Mon, Jun 5, 2023	25.15	24.64	24.12	25.08
6444	NYSE	DRQ	Fri, Jun 2, 2023	24.01	25.27	23.90	25.08
6443	NYSE	DRQ	Thu, Jun 1, 2023	22.47	23.84	22.47	23.60
6442	NYSE	DRQ	Wed, May 31, 2023	22.58	23.19	21.77	22.35
6441	NYSE	DRQ	Tue, May 30, 2023	23.59	23.59	22.66	23.00
6440	NYSE	DRQ	Fri, May 26, 2023	24.11	24.36	23.75	23.90
6439	NYSE	DRQ	Thu, May 25, 2023	23.66	24.05	23.45	24.00
6438	NYSE	DRQ	Wed, May 24, 2023	24.25	24.39	23.77	24.23
6437	NYSE	DRQ	Tue, May 23, 2023	24.38	24.51	24.02	24.25
6436	NYSE	DRQ	Mon, May 22, 2023	23.96	24.43	23.96	24.16
6435	NYSE	DRQ	Fri, May 19, 2023	24.30	24.35	23.80	23.95
6434	NYSE	DRQ	Thu, May 18, 2023	23.66	23.96	23.07	23.91
6433	NYSE	DRQ	Wed, May 17, 2023	23.42	23.84	22.99	23.82
6432	NYSE	DRQ	Tue, May 16, 2023	23.89	23.89	23.10	23.22
6431	NYSE	DRQ	Mon, May 15, 2023	23.90	24.53	23.86	24.03
6430	NYSE	DRQ	Fri, May 12, 2023	24.31	24.73	23.18	23.75
6429	NYSE	DRQ	Thu, May 11, 2023	25.46	25.50	24.35	24.58
6428	NYSE	DRQ	Wed, May 10, 2023	25.88	26.27	25.51	25.88
6427	NYSE	DRQ	Tue, May 9, 2023	25.12	25.82	23.96	25.53
6426	NYSE	DRQ	Mon, May 8, 2023	27.20	27.20	26.01	26.19
6425	NYSE	DRQ	Fri, May 5, 2023	26.92	27.20	26.50	26.70
6424	NYSE	DRQ	Thu, May 4, 2023	25.86	26.32	25.64	26.19
6423	NYSE	DRQ	Wed, May 3, 2023	25.20	26.48	25.14	25.81
6422	NYSE	DRQ	Tue, May 2, 2023	27.05	27.53	25.50	25.50
6421	NYSE	DRQ	Mon, May 1, 2023	27.12	27.84	26.93	27.40
6420	NYSE	DRQ	Fri, Apr 28, 2023	26.78	27.84	26.18	27.28
6419	NYSE	DRQ	Thu, Apr 27, 2023	26.33	26.95	26.22	26.85
6418	NYSE	DRQ	Wed, Apr 26, 2023	26.99	27.42	26.23	26.59
6417	NYSE	DRQ	Tue, Apr 25, 2023	27.80	27.98	27.06	27.25
6416	NYSE	DRQ	Mon, Apr 24, 2023	27.86	28.67	27.83	28.36
6415	NYSE	DRQ	Fri, Apr 21, 2023	28.61	28.61	27.85	27.85
6414	NYSE	DRQ	Thu, Apr 20, 2023	28.42	28.63	28.03	28.49
6413	NYSE	DRQ	Wed, Apr 19, 2023	28.63	29.03	28.14	28.87
6412	NYSE	DRQ	Tue, Apr 18, 2023	28.98	29.15	28.32	29.01
6411	NYSE	DRQ	Mon, Apr 17, 2023	28.78	29.11	28.55	28.88
6410	NYSE	DRQ	Fri, Apr 14, 2023	28.95	29.06	28.25	28.73
6409	NYSE	DRQ	Thu, Apr 13, 2023	28.91	29.39	28.53	28.96
6408	NYSE	DRQ	Wed, Apr 12, 2023	29.00	29.00	28.42	28.74
6407	NYSE	DRQ	Tue, Apr 11, 2023	28.49	29.06	27.99	28.75
6406	NYSE	DRQ	Mon, Apr 10, 2023	28.27	28.91	28.01	28.38
6405	NYSE	DRQ	Thu, Apr 6, 2023	28.17	28.63	27.88	28.07
6404	NYSE	DRQ	Wed, Apr 5, 2023	28.60	28.65	27.81	28.25
6403	NYSE	DRQ	Tue, Apr 4, 2023	29.78	29.78	28.11	28.61
6402	NYSE	DRQ	Mon, Apr 3, 2023	30.15	30.69	29.64	29.78
6401	NYSE	DRQ	Fri, Mar 31, 2023	28.52	29.01	28.26	28.69
6400	NYSE	DRQ	Thu, Mar 30, 2023	28.52	28.52	27.95	28.34
6399	NYSE	DRQ	Wed, Mar 29, 2023	28.08	28.42	27.58	28.16
6398	NYSE	DRQ	Tue, Mar 28, 2023	27.39	27.95	27.35	27.75
6397	NYSE	DRQ	Mon, Mar 27, 2023	27.34	27.71	26.63	27.49
6396	NYSE	DRQ	Fri, Mar 24, 2023	26.70	27.20	26.33	26.95
6395	NYSE	DRQ	Thu, Mar 23, 2023	28.13	28.81	26.93	27.43
6394	NYSE	DRQ	Wed, Mar 22, 2023	28.54	29.02	27.87	27.92
6393	NYSE	DRQ	Tue, Mar 21, 2023	28.61	29.03	27.90	28.58
6392	NYSE	DRQ	Mon, Mar 20, 2023	27.34	28.37	27.31	27.91
6391	NYSE	DRQ	Fri, Mar 17, 2023	27.30	27.62	26.44	27.02
6390	NYSE	DRQ	Thu, Mar 16, 2023	26.62	27.86	26.26	27.58
6389	NYSE	DRQ	Wed, Mar 15, 2023	27.26	27.77	26.56	27.40
6388	NYSE	DRQ	Tue, Mar 14, 2023	28.15	29.48	27.94	28.54
6387	NYSE	DRQ	Mon, Mar 13, 2023	28.30	28.80	27.28	27.74
6386	NYSE	DRQ	Fri, Mar 10, 2023	30.81	31.27	29.23	29.55
6385	NYSE	DRQ	Thu, Mar 9, 2023	32.72	33.27	30.37	30.70
6384	NYSE	DRQ	Wed, Mar 8, 2023	32.54	33.04	32.02	32.52
6383	NYSE	DRQ	Tue, Mar 7, 2023	32.76	32.92	31.73	32.56
6382	NYSE	DRQ	Mon, Mar 6, 2023	35.63	35.63	31.74	32.44
6381	NYSE	DRQ	Fri, Mar 3, 2023	34.72	35.95	34.50	35.80
6380	NYSE	DRQ	Thu, Mar 2, 2023	33.83	35.35	33.70	34.83
6379	NYSE	DRQ	Wed, Mar 1, 2023	33.92	35.44	33.38	33.94
6378	NYSE	DRQ	Tue, Feb 28, 2023	30.49	34.80	30.49	34.25
6377	NYSE	DRQ	Mon, Feb 27, 2023	29.48	31.01	29.33	30.48
6376	NYSE	DRQ	Fri, Feb 24, 2023	28.87	29.62	28.46	29.36
6375	NYSE	DRQ	Thu, Feb 23, 2023	28.46	29.78	28.46	29.31
6374	NYSE	DRQ	Wed, Feb 22, 2023	28.72	29.14	27.70	27.98
6373	NYSE	DRQ	Tue, Feb 21, 2023	29.46	30.11	28.54	28.60
6372	NYSE	DRQ	Fri, Feb 17, 2023	31.43	31.43	29.48	29.78
6371	NYSE	DRQ	Thu, Feb 16, 2023	31.82	31.94	31.40	31.78
6370	NYSE	DRQ	Wed, Feb 15, 2023	31.73	32.33	31.30	32.23
6369	NYSE	DRQ	Tue, Feb 14, 2023	31.89	32.57	31.42	32.28
6368	NYSE	DRQ	Mon, Feb 13, 2023	31.91	32.54	31.47	32.17
6367	NYSE	DRQ	Fri, Feb 10, 2023	31.61	32.21	31.47	32.20
6366	NYSE	DRQ	Thu, Feb 9, 2023	31.62	31.78	31.03	31.20
6365	NYSE	DRQ	Wed, Feb 8, 2023	31.88	32.25	31.28	31.80
6364	NYSE	DRQ	Tue, Feb 7, 2023	31.54	31.89	30.94	31.86
6363	NYSE	DRQ	Mon, Feb 6, 2023	31.30	31.45	30.75	31.37
6362	NYSE	DRQ	Fri, Feb 3, 2023	31.16	32.41	30.75	31.26
6361	NYSE	DRQ	Thu, Feb 2, 2023	30.54	31.63	30.07	31.12
6360	NYSE	DRQ	Wed, Feb 1, 2023	30.38	31.03	29.20	30.71
6359	NYSE	DRQ	Tue, Jan 31, 2023	29.06	31.01	28.90	30.71
6358	NYSE	DRQ	Mon, Jan 30, 2023	28.11	29.23	28.05	28.97
6357	NYSE	DRQ	Fri, Jan 27, 2023	30.13	30.13	28.40	28.57
6356	NYSE	DRQ	Thu, Jan 26, 2023	29.72	30.03	28.84	30.02
6355	NYSE	DRQ	Wed, Jan 25, 2023	28.64	29.53	28.02	29.47
6354	NYSE	DRQ	Tue, Jan 24, 2023	28.38	28.95	27.72	28.73
6353	NYSE	DRQ	Mon, Jan 23, 2023	28.23	28.52	27.78	28.38
6352	NYSE	DRQ	Fri, Jan 20, 2023	27.55	28.65	26.91	28.08
6351	NYSE	DRQ	Thu, Jan 19, 2023	27.19	27.71	27.11	27.45
6350	NYSE	DRQ	Wed, Jan 18, 2023	29.26	29.35	27.17	27.19
6349	NYSE	DRQ	Tue, Jan 17, 2023	28.88	29.47	28.66	29.00
6348	NYSE	DRQ	Fri, Jan 13, 2023	29.40	29.40	28.53	28.65
6347	NYSE	DRQ	Thu, Jan 12, 2023	29.73	30.68	29.22	29.35
6346	NYSE	DRQ	Wed, Jan 11, 2023	29.48	29.88	28.77	29.41
6345	NYSE	DRQ	Tue, Jan 10, 2023	28.30	29.30	27.97	29.22
6344	NYSE	DRQ	Mon, Jan 9, 2023	28.00	28.93	28.00	28.27
6343	NYSE	DRQ	Fri, Jan 6, 2023	27.06	28.14	26.83	27.66
6342	NYSE	DRQ	Thu, Jan 5, 2023	26.35	26.68	25.97	26.46
6341	NYSE	DRQ	Wed, Jan 4, 2023	25.63	26.57	25.63	26.32
6340	NYSE	DRQ	Tue, Jan 3, 2023	26.99	27.13	25.68	26.12
6339	NYSE	DRQ	Fri, Dec 30, 2022	26.86	27.39	26.79	27.17
6338	NYSE	DRQ	Thu, Dec 29, 2022	25.54	27.14	25.54	27.13
6337	NYSE	DRQ	Wed, Dec 28, 2022	26.94	26.94	25.41	25.67
6336	NYSE	DRQ	Tue, Dec 27, 2022	27.11	27.11	26.32	26.80
6335	NYSE	DRQ	Fri, Dec 23, 2022	25.82	27.08	25.75	26.96
6334	NYSE	DRQ	Thu, Dec 22, 2022	25.70	25.71	24.95	25.51
6333	NYSE	DRQ	Wed, Dec 21, 2022	25.57	25.99	25.22	25.64
6332	NYSE	DRQ	Tue, Dec 20, 2022	23.32	25.28	23.32	25.15
6331	NYSE	DRQ	Mon, Dec 19, 2022	23.53	24.34	22.85	23.25
6330	NYSE	DRQ	Fri, Dec 16, 2022	22.51	23.30	22.15	23.23
6329	NYSE	DRQ	Thu, Dec 15, 2022	22.59	23.35	22.11	23.23
6328	NYSE	DRQ	Wed, Dec 14, 2022	22.70	23.44	22.70	22.92
6327	NYSE	DRQ	Tue, Dec 13, 2022	22.11	22.89	21.93	22.74
6326	NYSE	DRQ	Mon, Dec 12, 2022	21.48	21.80	21.31	21.47
6325	NYSE	DRQ	Fri, Dec 9, 2022	22.07	22.30	21.67	21.70
6324	NYSE	DRQ	Thu, Dec 8, 2022	22.42	22.65	21.82	22.15
6323	NYSE	DRQ	Wed, Dec 7, 2022	22.68	22.70	21.68	21.83
6322	NYSE	DRQ	Tue, Dec 6, 2022	22.72	23.04	22.11	22.44
6321	NYSE	DRQ	Mon, Dec 5, 2022	24.41	24.44	22.74	22.85
6320	NYSE	DRQ	Fri, Dec 2, 2022	23.00	24.09	23.00	24.08
6319	NYSE	DRQ	Thu, Dec 1, 2022	23.97	24.33	23.20	23.21
6318	NYSE	DRQ	Wed, Nov 30, 2022	23.49	23.65	22.74	23.54
6317	NYSE	DRQ	Tue, Nov 29, 2022	23.06	23.46	22.98	23.19
6316	NYSE	DRQ	Mon, Nov 28, 2022	22.88	23.43	22.73	22.75
6315	NYSE	DRQ	Fri, Nov 25, 2022	23.96	24.38	23.58	23.58
6314	NYSE	DRQ	Wed, Nov 23, 2022	24.25	24.44	23.44	24.10
6313	NYSE	DRQ	Tue, Nov 22, 2022	24.98	25.20	24.27	24.55
6312	NYSE	DRQ	Mon, Nov 21, 2022	24.55	24.62	23.28	24.58
6311	NYSE	DRQ	Fri, Nov 18, 2022	26.40	26.44	24.87	24.96
6310	NYSE	DRQ	Thu, Nov 17, 2022	25.57	26.51	25.28	26.46
6309	NYSE	DRQ	Wed, Nov 16, 2022	26.25	26.40	25.63	26.20
6308	NYSE	DRQ	Tue, Nov 15, 2022	26.22	26.74	26.07	26.40
6307	NYSE	DRQ	Mon, Nov 14, 2022	26.41	27.30	26.19	26.19
6306	NYSE	DRQ	Fri, Nov 11, 2022	26.14	26.93	26.14	26.41
6305	NYSE	DRQ	Thu, Nov 10, 2022	25.36	25.85	25.13	25.82
6304	NYSE	DRQ	Wed, Nov 9, 2022	25.73	25.73	24.34	24.65
6303	NYSE	DRQ	Tue, Nov 8, 2022	25.88	26.15	25.47	26.06
6302	NYSE	DRQ	Mon, Nov 7, 2022	25.44	26.47	25.23	26.04
6301	NYSE	DRQ	Fri, Nov 4, 2022	25.51	25.88	24.88	25.15
6300	NYSE	DRQ	Thu, Nov 3, 2022	23.73	24.99	23.52	24.61
6299	NYSE	DRQ	Wed, Nov 2, 2022	23.44	24.63	23.21	24.10
6298	NYSE	DRQ	Tue, Nov 1, 2022	25.15	25.15	23.55	23.56
6297	NYSE	DRQ	Mon, Oct 31, 2022	23.25	24.95	23.25	24.88
6296	NYSE	DRQ	Fri, Oct 28, 2022	25.00	25.00	22.47	23.28
6295	NYSE	DRQ	Thu, Oct 27, 2022	26.25	26.84	25.52	25.78
6294	NYSE	DRQ	Wed, Oct 26, 2022	25.05	26.38	24.80	25.60
6293	NYSE	DRQ	Tue, Oct 25, 2022	24.24	25.24	24.13	24.71
6292	NYSE	DRQ	Mon, Oct 24, 2022	24.10	24.52	24.00	24.50
6291	NYSE	DRQ	Fri, Oct 21, 2022	23.60	24.36	23.24	24.16
6290	NYSE	DRQ	Thu, Oct 20, 2022	22.90	23.54	22.72	23.16
6289	NYSE	DRQ	Wed, Oct 19, 2022	21.28	22.76	21.27	22.70
6288	NYSE	DRQ	Tue, Oct 18, 2022	21.25	21.88	20.93	21.31
6287	NYSE	DRQ	Mon, Oct 17, 2022	20.98	21.63	20.91	21.09
6286	NYSE	DRQ	Fri, Oct 14, 2022	21.20	21.26	20.37	20.46
6285	NYSE	DRQ	Thu, Oct 13, 2022	19.91	21.39	19.88	21.37
6284	NYSE	DRQ	Wed, Oct 12, 2022	20.30	20.50	20.00	20.20
6283	NYSE	DRQ	Tue, Oct 11, 2022	20.91	21.29	20.36	20.51
6282	NYSE	DRQ	Mon, Oct 10, 2022	21.79	22.04	21.19	21.41
6281	NYSE	DRQ	Fri, Oct 7, 2022	22.20	22.25	21.73	21.83
6280	NYSE	DRQ	Thu, Oct 6, 2022	21.55	22.15	21.52	22.00
6279	NYSE	DRQ	Wed, Oct 5, 2022	21.42	21.83	21.18	21.70
6278	NYSE	DRQ	Tue, Oct 4, 2022	21.33	21.62	20.97	21.50
6277	NYSE	DRQ	Mon, Oct 3, 2022	20.15	21.07	20.15	21.05
6276	NYSE	DRQ	Fri, Sep 30, 2022	20.05	20.48	19.47	19.52
6275	NYSE	DRQ	Thu, Sep 29, 2022	19.77	20.11	19.26	20.05
6274	NYSE	DRQ	Wed, Sep 28, 2022	19.42	20.29	19.42	19.96
6273	NYSE	DRQ	Tue, Sep 27, 2022	19.57	20.03	19.14	19.18
6272	NYSE	DRQ	Mon, Sep 26, 2022	19.59	20.00	19.10	19.19
6271	NYSE	DRQ	Fri, Sep 23, 2022	20.66	20.75	19.57	19.64
6270	NYSE	DRQ	Thu, Sep 22, 2022	21.98	22.27	21.46	21.61
6269	NYSE	DRQ	Wed, Sep 21, 2022	22.30	22.67	21.66	21.68
6268	NYSE	DRQ	Tue, Sep 20, 2022	22.26	22.26	21.45	21.83
6267	NYSE	DRQ	Mon, Sep 19, 2022	21.31	22.58	21.31	22.48
6266	NYSE	DRQ	Fri, Sep 16, 2022	22.38	22.38	21.34	21.89
6265	NYSE	DRQ	Thu, Sep 15, 2022	22.22	22.71	21.74	22.48
6264	NYSE	DRQ	Wed, Sep 14, 2022	21.80	22.66	21.80	22.62
6263	NYSE	DRQ	Tue, Sep 13, 2022	22.93	23.35	21.69	21.79
6262	NYSE	DRQ	Mon, Sep 12, 2022	23.43	23.97	23.00	23.41
6261	NYSE	DRQ	Fri, Sep 9, 2022	22.62	23.50	22.58	23.43
6260	NYSE	DRQ	Thu, Sep 8, 2022	22.20	22.58	21.97	22.01
6259	NYSE	DRQ	Wed, Sep 7, 2022	21.50	22.28	21.20	22.22
6258	NYSE	DRQ	Tue, Sep 6, 2022	22.38	22.38	21.48	21.84
6257	NYSE	DRQ	Fri, Sep 2, 2022	22.39	22.60	21.88	22.00
6256	NYSE	DRQ	Thu, Sep 1, 2022	21.88	21.98	21.14	21.86
6255	NYSE	DRQ	Wed, Aug 31, 2022	22.51	22.74	22.01	22.13
6254	NYSE	DRQ	Tue, Aug 30, 2022	23.68	23.68	22.49	22.89
6253	NYSE	DRQ	Mon, Aug 29, 2022	23.50	24.31	23.50	23.85
6252	NYSE	DRQ	Fri, Aug 26, 2022	25.16	25.16	23.41	23.62
6251	NYSE	DRQ	Thu, Aug 25, 2022	25.29	25.48	24.89	25.21
6250	NYSE	DRQ	Wed, Aug 24, 2022	24.28	25.28	24.10	25.16
6249	NYSE	DRQ	Tue, Aug 23, 2022	24.21	25.08	24.21	24.24
6248	NYSE	DRQ	Mon, Aug 22, 2022	23.69	24.22	23.23	23.92
6247	NYSE	DRQ	Fri, Aug 19, 2022	24.40	24.41	23.79	23.86
6246	NYSE	DRQ	Thu, Aug 18, 2022	23.96	24.62	23.94	24.49
6245	NYSE	DRQ	Wed, Aug 17, 2022	23.18	23.85	23.12	23.61
6244	NYSE	DRQ	Tue, Aug 16, 2022	23.81	24.23	23.02	23.36
6243	NYSE	DRQ	Mon, Aug 15, 2022	23.36	23.91	22.39	23.80
6242	NYSE	DRQ	Fri, Aug 12, 2022	23.73	24.32	23.28	24.30
6241	NYSE	DRQ	Thu, Aug 11, 2022	23.96	24.41	23.61	23.82
6240	NYSE	DRQ	Wed, Aug 10, 2022	23.28	23.70	22.81	23.42
6239	NYSE	DRQ	Tue, Aug 9, 2022	22.76	23.52	22.73	23.00
6238	NYSE	DRQ	Mon, Aug 8, 2022	21.65	22.64	21.45	22.59
6237	NYSE	DRQ	Fri, Aug 5, 2022	21.94	22.44	21.46	21.53
6236	NYSE	DRQ	Thu, Aug 4, 2022	22.84	22.84	22.07	22.11
6235	NYSE	DRQ	Wed, Aug 3, 2022	23.80	23.84	22.60	22.83
6234	NYSE	DRQ	Tue, Aug 2, 2022	24.18	24.39	23.50	23.59
6233	NYSE	DRQ	Mon, Aug 1, 2022	25.27	25.27	23.48	24.04
6232	NYSE	DRQ	Fri, Jul 29, 2022	25.67	26.13	24.71	25.65
6231	NYSE	DRQ	Thu, Jul 28, 2022	25.61	25.95	24.89	25.66
6230	NYSE	DRQ	Wed, Jul 27, 2022	24.47	25.32	24.12	25.30
6229	NYSE	DRQ	Tue, Jul 26, 2022	25.00	25.17	24.27	24.35
6228	NYSE	DRQ	Mon, Jul 25, 2022	23.61	24.92	23.46	24.76
6227	NYSE	DRQ	Fri, Jul 22, 2022	23.54	24.06	23.11	23.47
6226	NYSE	DRQ	Thu, Jul 21, 2022	24.23	24.23	22.73	23.42
6225	NYSE	DRQ	Wed, Jul 20, 2022	25.06	25.49	24.65	25.10
6224	NYSE	DRQ	Tue, Jul 19, 2022	24.55	25.57	24.43	25.40
6223	NYSE	DRQ	Mon, Jul 18, 2022	24.52	24.99	24.06	24.46
6222	NYSE	DRQ	Fri, Jul 15, 2022	23.82	23.83	23.08	23.75
6221	NYSE	DRQ	Thu, Jul 14, 2022	23.00	23.49	22.67	23.26
6220	NYSE	DRQ	Wed, Jul 13, 2022	23.73	24.28	23.52	23.74
6219	NYSE	DRQ	Tue, Jul 12, 2022	24.25	24.53	23.71	23.79
6218	NYSE	DRQ	Mon, Jul 11, 2022	25.26	25.53	24.60	24.82
6217	NYSE	DRQ	Fri, Jul 8, 2022	25.50	25.85	24.94	25.70
6216	NYSE	DRQ	Thu, Jul 7, 2022	24.74	25.57	24.74	25.27
6215	NYSE	DRQ	Wed, Jul 6, 2022	23.93	24.65	23.14	23.96
6214	NYSE	DRQ	Tue, Jul 5, 2022	24.66	24.91	23.11	24.33
6213	NYSE	DRQ	Fri, Jul 1, 2022	25.78	25.94	24.21	25.30
6212	NYSE	DRQ	Thu, Jun 30, 2022	25.16	25.84	25.02	25.80
6211	NYSE	DRQ	Wed, Jun 29, 2022	26.27	26.31	25.20	25.41
6210	NYSE	DRQ	Tue, Jun 28, 2022	26.09	26.35	25.47	25.87
6209	NYSE	DRQ	Mon, Jun 27, 2022	24.81	25.46	24.54	25.33
6208	NYSE	DRQ	Fri, Jun 24, 2022	23.84	24.68	23.66	24.35
6207	NYSE	DRQ	Thu, Jun 23, 2022	24.00	24.13	23.07	23.52
6206	NYSE	DRQ	Wed, Jun 22, 2022	23.58	24.45	23.40	23.96
6205	NYSE	DRQ	Tue, Jun 21, 2022	24.74	25.44	24.09	24.64
6204	NYSE	DRQ	Fri, Jun 17, 2022	25.38	25.65	23.75	23.99
6203	NYSE	DRQ	Thu, Jun 16, 2022	25.48	25.53	24.63	25.20
6202	NYSE	DRQ	Wed, Jun 15, 2022	26.88	27.07	25.75	26.18
6201	NYSE	DRQ	Tue, Jun 14, 2022	28.80	28.88	26.28	26.70
6200	NYSE	DRQ	Mon, Jun 13, 2022	28.60	28.82	27.22	28.20
6199	NYSE	DRQ	Fri, Jun 10, 2022	30.15	30.55	28.43	29.31
6198	NYSE	DRQ	Thu, Jun 9, 2022	31.15	31.40	30.31	30.65
6197	NYSE	DRQ	Wed, Jun 8, 2022	32.43	32.47	30.86	31.12
6196	NYSE	DRQ	Tue, Jun 7, 2022	31.06	32.29	30.48	32.10
6195	NYSE	DRQ	Mon, Jun 6, 2022	30.90	31.36	30.50	30.96
6194	NYSE	DRQ	Fri, Jun 3, 2022	31.06	31.56	30.35	30.76
6193	NYSE	DRQ	Thu, Jun 2, 2022	31.52	32.09	30.75	30.90
6192	NYSE	DRQ	Wed, Jun 1, 2022	31.63	32.14	31.18	31.85
6191	NYSE	DRQ	Tue, May 31, 2022	32.28	34.27	30.87	31.44
6190	NYSE	DRQ	Fri, May 27, 2022	30.76	31.91	30.62	31.83
6189	NYSE	DRQ	Thu, May 26, 2022	31.09	31.37	30.44	31.10
6188	NYSE	DRQ	Wed, May 25, 2022	30.94	31.37	30.50	30.76
6187	NYSE	DRQ	Tue, May 24, 2022	30.18	31.31	29.62	31.05
6186	NYSE	DRQ	Mon, May 23, 2022	30.10	30.50	29.45	30.49
6185	NYSE	DRQ	Fri, May 20, 2022	30.61	31.00	29.14	29.69
6184	NYSE	DRQ	Thu, May 19, 2022	29.17	30.84	29.17	30.18
6183	NYSE	DRQ	Wed, May 18, 2022	31.07	31.17	29.21	29.93
6182	NYSE	DRQ	Tue, May 17, 2022	29.68	31.10	29.53	30.45
6181	NYSE	DRQ	Mon, May 16, 2022	28.78	29.89	28.42	29.43
6180	NYSE	DRQ	Fri, May 13, 2022	28.55	29.49	27.90	28.68
6179	NYSE	DRQ	Thu, May 12, 2022	28.20	28.43	27.12	28.33
6178	NYSE	DRQ	Wed, May 11, 2022	28.80	29.71	27.85	27.97
6177	NYSE	DRQ	Tue, May 10, 2022	28.22	28.91	27.13	27.97
6176	NYSE	DRQ	Mon, May 9, 2022	30.22	30.31	27.50	27.72
6175	NYSE	DRQ	Fri, May 6, 2022	31.04	31.59	30.21	30.94
6174	NYSE	DRQ	Thu, May 5, 2022	31.44	31.44	28.83	30.70
6173	NYSE	DRQ	Wed, May 4, 2022	30.60	31.52	29.39	31.31
6172	NYSE	DRQ	Tue, May 3, 2022	30.43	30.84	29.63	29.91
6171	NYSE	DRQ	Mon, May 2, 2022	28.94	31.26	28.63	30.39
6170	NYSE	DRQ	Fri, Apr 29, 2022	30.07	30.22	27.57	28.88
6169	NYSE	DRQ	Thu, Apr 28, 2022	30.60	31.15	29.09	30.68
6168	NYSE	DRQ	Wed, Apr 27, 2022	30.34	30.93	29.67	30.14
6167	NYSE	DRQ	Tue, Apr 26, 2022	30.79	31.55	30.02	30.20
6166	NYSE	DRQ	Mon, Apr 25, 2022	31.08	31.08	29.15	30.67
6165	NYSE	DRQ	Fri, Apr 22, 2022	33.09	33.68	31.95	32.21
6164	NYSE	DRQ	Thu, Apr 21, 2022	35.35	35.50	31.83	33.22
6163	NYSE	DRQ	Wed, Apr 20, 2022	36.01	36.01	33.97	34.96
6162	NYSE	DRQ	Tue, Apr 19, 2022	37.08	38.84	36.00	36.08
6161	NYSE	DRQ	Mon, Apr 18, 2022	36.15	38.14	35.42	37.63
6160	NYSE	DRQ	Thu, Apr 14, 2022	35.35	36.00	35.13	35.51
6159	NYSE	DRQ	Wed, Apr 13, 2022	36.47	36.47	35.20	35.43
6158	NYSE	DRQ	Tue, Apr 12, 2022	35.29	36.59	34.78	35.66
6157	NYSE	DRQ	Mon, Apr 11, 2022	35.66	35.72	34.27	34.36
6156	NYSE	DRQ	Fri, Apr 8, 2022	35.41	36.91	35.19	36.23
6155	NYSE	DRQ	Thu, Apr 7, 2022	35.07	35.55	33.67	35.24
6154	NYSE	DRQ	Wed, Apr 6, 2022	35.56	36.16	34.53	34.97
6153	NYSE	DRQ	Tue, Apr 5, 2022	37.47	37.92	34.79	35.06
6152	NYSE	DRQ	Mon, Apr 4, 2022	38.01	38.99	36.87	37.37
6151	NYSE	DRQ	Fri, Apr 1, 2022	37.25	38.16	36.28	37.58
6150	NYSE	DRQ	Thu, Mar 31, 2022	35.27	37.81	35.27	37.35
6149	NYSE	DRQ	Wed, Mar 30, 2022	35.87	36.61	35.32	35.67
6148	NYSE	DRQ	Tue, Mar 29, 2022	33.28	35.48	32.46	35.40
6147	NYSE	DRQ	Mon, Mar 28, 2022	34.82	34.82	33.41	34.22
6146	NYSE	DRQ	Fri, Mar 25, 2022	35.25	35.93	35.15	35.70
6145	NYSE	DRQ	Thu, Mar 24, 2022	35.68	36.08	35.12	35.29
6144	NYSE	DRQ	Wed, Mar 23, 2022	35.69	36.53	35.26	35.68
6143	NYSE	DRQ	Tue, Mar 22, 2022	35.43	36.27	34.42	35.12
6142	NYSE	DRQ	Mon, Mar 21, 2022	34.74	36.52	34.28	35.48
6141	NYSE	DRQ	Fri, Mar 18, 2022	34.53	35.25	33.78	33.96
6140	NYSE	DRQ	Thu, Mar 17, 2022	35.67	36.90	35.49	35.65
6139	NYSE	DRQ	Wed, Mar 16, 2022	36.33	36.71	34.67	34.93
6138	NYSE	DRQ	Tue, Mar 15, 2022	36.15	37.43	35.90	36.31
6137	NYSE	DRQ	Mon, Mar 14, 2022	38.97	39.74	37.34	37.82
6136	NYSE	DRQ	Fri, Mar 11, 2022	39.10	41.23	38.77	40.30
6135	NYSE	DRQ	Thu, Mar 10, 2022	38.00	39.94	37.57	39.89
6134	NYSE	DRQ	Wed, Mar 9, 2022	37.31	39.21	35.97	37.86
6133	NYSE	DRQ	Tue, Mar 8, 2022	36.93	40.43	36.93	39.02
6132	NYSE	DRQ	Mon, Mar 7, 2022	33.62	36.61	33.54	36.25
6131	NYSE	DRQ	Fri, Mar 4, 2022	31.73	33.18	31.48	33.15
6130	NYSE	DRQ	Thu, Mar 3, 2022	30.66	31.80	30.01	31.73
6129	NYSE	DRQ	Wed, Mar 2, 2022	29.40	31.25	29.30	30.82
6128	NYSE	DRQ	Tue, Mar 1, 2022	29.44	29.74	28.31	29.16
6127	NYSE	DRQ	Mon, Feb 28, 2022	27.49	28.93	27.10	28.84
6126	NYSE	DRQ	Fri, Feb 25, 2022	27.45	27.64	26.58	27.38
6125	NYSE	DRQ	Thu, Feb 24, 2022	25.09	27.76	24.54	27.42
6124	NYSE	DRQ	Wed, Feb 23, 2022	24.85	25.67	24.53	25.24
6123	NYSE	DRQ	Tue, Feb 22, 2022	25.59	25.59	24.59	24.82
6122	NYSE	DRQ	Fri, Feb 18, 2022	24.79	25.17	24.12	24.98
6121	NYSE	DRQ	Thu, Feb 17, 2022	24.88	25.27	24.23	25.24
6120	NYSE	DRQ	Wed, Feb 16, 2022	25.24	25.69	24.86	25.04
6119	NYSE	DRQ	Tue, Feb 15, 2022	23.82	25.21	23.80	24.99
6118	NYSE	DRQ	Mon, Feb 14, 2022	24.51	24.82	24.10	24.42
6117	NYSE	DRQ	Fri, Feb 11, 2022	23.20	24.80	23.12	24.74
6116	NYSE	DRQ	Thu, Feb 10, 2022	23.02	23.79	22.77	23.00
6115	NYSE	DRQ	Wed, Feb 9, 2022	23.50	23.76	23.13	23.20
6114	NYSE	DRQ	Tue, Feb 8, 2022	24.19	24.19	23.31	23.51
6113	NYSE	DRQ	Mon, Feb 7, 2022	24.34	24.62	24.00	24.37
6112	NYSE	DRQ	Fri, Feb 4, 2022	24.65	24.89	24.32	24.51
6111	NYSE	DRQ	Thu, Feb 3, 2022	25.25	25.25	24.42	24.48
6110	NYSE	DRQ	Wed, Feb 2, 2022	25.86	25.86	25.06	25.21
6109	NYSE	DRQ	Tue, Feb 1, 2022	25.04	26.04	25.04	25.96
6108	NYSE	DRQ	Mon, Jan 31, 2022	25.32	25.96	24.88	25.29
6107	NYSE	DRQ	Fri, Jan 28, 2022	25.43	26.01	24.97	25.53
6106	NYSE	DRQ	Thu, Jan 27, 2022	26.22	27.00	25.07	25.57
6105	NYSE	DRQ	Wed, Jan 26, 2022	26.98	27.24	25.64	25.95
6104	NYSE	DRQ	Tue, Jan 25, 2022	25.67	27.14	25.14	26.64
6103	NYSE	DRQ	Mon, Jan 24, 2022	24.25	25.72	23.95	25.58
6102	NYSE	DRQ	Fri, Jan 21, 2022	24.44	25.25	24.30	24.47
6101	NYSE	DRQ	Thu, Jan 20, 2022	24.88	25.68	24.50	24.66
6100	NYSE	DRQ	Wed, Jan 19, 2022	25.35	25.37	24.66	25.13
6099	NYSE	DRQ	Tue, Jan 18, 2022	25.93	25.95	24.92	25.35
6098	NYSE	DRQ	Fri, Jan 14, 2022	24.97	25.60	24.82	25.46
6097	NYSE	DRQ	Thu, Jan 13, 2022	24.17	25.11	23.97	24.85
6096	NYSE	DRQ	Wed, Jan 12, 2022	24.11	24.30	23.96	24.11
6095	NYSE	DRQ	Tue, Jan 11, 2022	23.19	24.10	22.70	24.10
6094	NYSE	DRQ	Mon, Jan 10, 2022	22.78	23.11	22.25	22.94
6093	NYSE	DRQ	Fri, Jan 7, 2022	22.45	22.97	22.23	22.70
6092	NYSE	DRQ	Thu, Jan 6, 2022	22.33	22.88	22.03	22.37
6091	NYSE	DRQ	Wed, Jan 5, 2022	22.37	22.55	21.61	21.65
6090	NYSE	DRQ	Tue, Jan 4, 2022	21.45	22.57	21.45	22.01
6089	NYSE	DRQ	Mon, Jan 3, 2022	19.75	21.39	19.75	21.36
6088	NYSE	DRQ	Fri, Dec 31, 2021	19.35	19.81	19.30	19.68
6087	NYSE	DRQ	Thu, Dec 30, 2021	19.73	20.10	19.48	19.54
6086	NYSE	DRQ	Wed, Dec 29, 2021	19.71	20.00	19.27	19.67
6085	NYSE	DRQ	Tue, Dec 28, 2021	19.61	20.04	19.40	19.74
6084	NYSE	DRQ	Mon, Dec 27, 2021	19.30	19.68	18.93	19.64
6083	NYSE	DRQ	Thu, Dec 23, 2021	19.49	19.84	19.36	19.40
6082	NYSE	DRQ	Wed, Dec 22, 2021	19.60	19.80	19.39	19.50
6081	NYSE	DRQ	Tue, Dec 21, 2021	19.45	19.95	19.40	19.68
6080	NYSE	DRQ	Mon, Dec 20, 2021	19.34	19.46	18.58	19.18
6079	NYSE	DRQ	Fri, Dec 17, 2021	19.45	19.93	19.02	19.74
6078	NYSE	DRQ	Thu, Dec 16, 2021	19.62	20.29	19.53	19.55
6077	NYSE	DRQ	Wed, Dec 15, 2021	19.24	19.62	18.42	19.40
6076	NYSE	DRQ	Tue, Dec 14, 2021	19.31	20.28	19.28	19.33
6075	NYSE	DRQ	Mon, Dec 13, 2021	19.83	19.99	19.17	19.67
6074	NYSE	DRQ	Fri, Dec 10, 2021	20.18	20.47	19.58	20.09
6073	NYSE	DRQ	Thu, Dec 9, 2021	19.92	20.29	19.64	20.01
6072	NYSE	DRQ	Wed, Dec 8, 2021	20.09	20.81	20.02	20.18
6071	NYSE	DRQ	Tue, Dec 7, 2021	19.64	20.05	19.41	19.90
6070	NYSE	DRQ	Mon, Dec 6, 2021	19.38	19.49	18.79	19.27
6069	NYSE	DRQ	Fri, Dec 3, 2021	19.43	19.68	18.76	19.02
6068	NYSE	DRQ	Thu, Dec 2, 2021	18.46	19.14	18.17	19.11
6067	NYSE	DRQ	Wed, Dec 1, 2021	19.77	19.77	18.44	18.64
6066	NYSE	DRQ	Tue, Nov 30, 2021	18.43	19.28	18.32	19.11
6065	NYSE	DRQ	Mon, Nov 29, 2021	19.73	19.73	18.72	18.86
6064	NYSE	DRQ	Fri, Nov 26, 2021	18.61	19.40	18.30	19.34
6063	NYSE	DRQ	Wed, Nov 24, 2021	20.11	20.47	19.72	19.84
6062	NYSE	DRQ	Tue, Nov 23, 2021	20.19	20.69	20.03	20.29
6061	NYSE	DRQ	Mon, Nov 22, 2021	19.33	20.05	19.33	19.81
6060	NYSE	DRQ	Fri, Nov 19, 2021	20.30	20.40	19.36	19.48
6059	NYSE	DRQ	Thu, Nov 18, 2021	20.99	21.03	20.50	20.88
6058	NYSE	DRQ	Wed, Nov 17, 2021	20.51	21.04	20.31	20.98
6057	NYSE	DRQ	Tue, Nov 16, 2021	20.39	21.07	20.09	20.79
6056	NYSE	DRQ	Mon, Nov 15, 2021	21.15	21.15	20.12	20.29
6055	NYSE	DRQ	Fri, Nov 12, 2021	21.15	21.40	20.90	21.15
6054	NYSE	DRQ	Thu, Nov 11, 2021	21.75	21.91	21.24	21.30
6053	NYSE	DRQ	Wed, Nov 10, 2021	23.19	23.38	21.66	21.79
6052	NYSE	DRQ	Tue, Nov 9, 2021	23.67	23.93	22.71	23.51
6051	NYSE	DRQ	Mon, Nov 8, 2021	23.79	24.35	23.23	23.77
6050	NYSE	DRQ	Fri, Nov 5, 2021	23.47	23.99	23.38	23.63
6049	NYSE	DRQ	Thu, Nov 4, 2021	24.64	24.86	22.81	23.18
6048	NYSE	DRQ	Wed, Nov 3, 2021	23.23	24.46	23.23	24.05
6047	NYSE	DRQ	Tue, Nov 2, 2021	23.91	24.35	23.72	23.93
6046	NYSE	DRQ	Mon, Nov 1, 2021	24.25	24.79	23.76	24.13
6045	NYSE	DRQ	Fri, Oct 29, 2021	23.02	23.82	22.23	23.56
6044	NYSE	DRQ	Thu, Oct 28, 2021	23.49	23.70	23.06	23.54
6043	NYSE	DRQ	Wed, Oct 27, 2021	24.00	24.38	23.38	23.49
6042	NYSE	DRQ	Tue, Oct 26, 2021	25.13	25.20	24.18	24.22
6041	NYSE	DRQ	Mon, Oct 25, 2021	25.33	25.69	24.84	25.11
6040	NYSE	DRQ	Fri, Oct 22, 2021	25.03	25.26	24.79	25.03
6039	NYSE	DRQ	Thu, Oct 21, 2021	25.19	25.35	24.17	24.92
6038	NYSE	DRQ	Wed, Oct 20, 2021	24.30	25.33	23.88	25.33
6037	NYSE	DRQ	Tue, Oct 19, 2021	25.18	25.18	23.92	24.62
6036	NYSE	DRQ	Mon, Oct 18, 2021	25.60	25.93	25.19	25.23
6035	NYSE	DRQ	Fri, Oct 15, 2021	26.41	26.41	25.37	25.38
6034	NYSE	DRQ	Thu, Oct 14, 2021	25.71	26.05	25.55	25.78
6033	NYSE	DRQ	Wed, Oct 13, 2021	25.75	25.93	25.23	25.69
6032	NYSE	DRQ	Tue, Oct 12, 2021	26.44	26.82	25.98	26.04
6031	NYSE	DRQ	Mon, Oct 11, 2021	27.26	27.60	26.48	26.52
6030	NYSE	DRQ	Fri, Oct 8, 2021	25.84	27.11	25.84	26.76
6029	NYSE	DRQ	Thu, Oct 7, 2021	24.80	25.85	24.47	25.52
6028	NYSE	DRQ	Wed, Oct 6, 2021	25.46	25.67	24.34	24.65
6027	NYSE	DRQ	Tue, Oct 5, 2021	26.29	26.69	25.54	25.97
6026	NYSE	DRQ	Mon, Oct 4, 2021	26.20	27.29	25.96	26.03
6025	NYSE	DRQ	Fri, Oct 1, 2021	25.31	26.62	25.15	26.13
6024	NYSE	DRQ	Thu, Sep 30, 2021	24.40	25.39	24.06	25.18
6023	NYSE	DRQ	Wed, Sep 29, 2021	24.88	24.88	24.14	24.49
6022	NYSE	DRQ	Tue, Sep 28, 2021	25.41	25.97	24.80	24.85
6021	NYSE	DRQ	Mon, Sep 27, 2021	24.90	25.86	24.75	25.18
6020	NYSE	DRQ	Fri, Sep 24, 2021	24.21	24.65	24.19	24.26
6019	NYSE	DRQ	Thu, Sep 23, 2021	23.50	24.59	23.35	24.42
6018	NYSE	DRQ	Wed, Sep 22, 2021	23.30	23.89	23.22	23.23
6017	NYSE	DRQ	Tue, Sep 21, 2021	23.76	23.76	22.62	22.89
6016	NYSE	DRQ	Mon, Sep 20, 2021	23.54	23.81	22.97	23.49
6015	NYSE	DRQ	Fri, Sep 17, 2021	24.29	24.42	23.76	24.27
6014	NYSE	DRQ	Thu, Sep 16, 2021	24.94	24.94	24.14	24.36
6013	NYSE	DRQ	Wed, Sep 15, 2021	25.11	26.11	24.82	24.96
6012	NYSE	DRQ	Tue, Sep 14, 2021	25.25	25.25	24.39	24.85
6011	NYSE	DRQ	Mon, Sep 13, 2021	23.76	25.03	23.53	25.02
6010	NYSE	DRQ	Fri, Sep 10, 2021	23.36	23.51	22.77	23.49
6009	NYSE	DRQ	Thu, Sep 9, 2021	23.05	23.61	22.72	23.01
6008	NYSE	DRQ	Wed, Sep 8, 2021	24.40	24.40	23.10	23.27
6007	NYSE	DRQ	Tue, Sep 7, 2021	24.10	24.77	23.72	24.14
6006	NYSE	DRQ	Fri, Sep 3, 2021	24.70	24.96	24.14	24.33
6005	NYSE	DRQ	Thu, Sep 2, 2021	24.63	25.15	24.51	24.63
6004	NYSE	DRQ	Wed, Sep 1, 2021	24.39	24.59	23.97	24.40
6003	NYSE	DRQ	Tue, Aug 31, 2021	24.22	24.50	23.86	24.30
6002	NYSE	DRQ	Mon, Aug 30, 2021	24.93	24.93	24.35	24.48
6001	NYSE	DRQ	Fri, Aug 27, 2021	23.60	24.82	23.60	24.74
6000	NYSE	DRQ	Thu, Aug 26, 2021	23.71	23.92	23.32	23.37
5999	NYSE	DRQ	Wed, Aug 25, 2021	24.11	24.11	23.64	23.98
5998	NYSE	DRQ	Tue, Aug 24, 2021	23.88	24.29	23.78	24.06
5997	NYSE	DRQ	Mon, Aug 23, 2021	23.48	24.06	23.37	23.54
5996	NYSE	DRQ	Fri, Aug 20, 2021	22.74	23.24	22.74	23.03
5995	NYSE	DRQ	Thu, Aug 19, 2021	23.25	23.44	22.38	22.97
5994	NYSE	DRQ	Wed, Aug 18, 2021	24.25	24.68	23.79	23.86
5993	NYSE	DRQ	Tue, Aug 17, 2021	24.70	25.07	24.17	24.25
5992	NYSE	DRQ	Mon, Aug 16, 2021	25.73	26.08	24.88	24.97
5991	NYSE	DRQ	Fri, Aug 13, 2021	26.72	26.87	26.12	26.16
5990	NYSE	DRQ	Thu, Aug 12, 2021	27.52	27.55	26.75	26.86
5989	NYSE	DRQ	Wed, Aug 11, 2021	27.00	27.67	26.41	27.60
5988	NYSE	DRQ	Tue, Aug 10, 2021	26.75	27.62	26.55	27.29
5987	NYSE	DRQ	Mon, Aug 9, 2021	27.10	27.22	26.37	26.60
5986	NYSE	DRQ	Fri, Aug 6, 2021	27.82	28.20	27.50	27.58
5985	NYSE	DRQ	Thu, Aug 5, 2021	27.27	27.78	27.22	27.31
5984	NYSE	DRQ	Wed, Aug 4, 2021	28.99	28.99	26.78	27.08
5983	NYSE	DRQ	Tue, Aug 3, 2021	28.50	29.70	28.08	29.67
5982	NYSE	DRQ	Mon, Aug 2, 2021	28.35	29.98	28.35	28.67
5981	NYSE	DRQ	Fri, Jul 30, 2021	29.27	29.27	28.26	28.58
5980	NYSE	DRQ	Thu, Jul 29, 2021	29.85	29.98	29.20	29.83
5979	NYSE	DRQ	Wed, Jul 28, 2021	28.92	29.54	28.08	28.97
5978	NYSE	DRQ	Tue, Jul 27, 2021	28.65	29.00	28.19	28.51
5977	NYSE	DRQ	Mon, Jul 26, 2021	28.31	29.34	28.31	29.11
5976	NYSE	DRQ	Fri, Jul 23, 2021	28.00	28.58	27.50	28.19
5975	NYSE	DRQ	Thu, Jul 22, 2021	28.50	28.50	27.54	27.96
5974	NYSE	DRQ	Wed, Jul 21, 2021	28.33	29.10	28.28	28.60
5973	NYSE	DRQ	Tue, Jul 20, 2021	27.50	28.25	27.44	27.66
5972	NYSE	DRQ	Mon, Jul 19, 2021	26.91	27.75	26.61	27.32
5971	NYSE	DRQ	Fri, Jul 16, 2021	29.44	29.50	27.55	28.18
5970	NYSE	DRQ	Thu, Jul 15, 2021	29.52	30.27	28.74	28.91
5969	NYSE	DRQ	Wed, Jul 14, 2021	31.49	31.98	30.12	30.23
5968	NYSE	DRQ	Tue, Jul 13, 2021	31.79	31.94	31.12	31.19
5967	NYSE	DRQ	Mon, Jul 12, 2021	31.53	32.24	30.84	32.11
5966	NYSE	DRQ	Fri, Jul 9, 2021	31.81	32.19	31.29	31.88
5965	NYSE	DRQ	Thu, Jul 8, 2021	30.43	31.58	30.06	31.06
5964	NYSE	DRQ	Wed, Jul 7, 2021	31.45	32.14	30.60	31.08
5963	NYSE	DRQ	Tue, Jul 6, 2021	33.53	33.60	31.53	31.73
5962	NYSE	DRQ	Fri, Jul 2, 2021	34.52	34.52	33.49	33.80
5961	NYSE	DRQ	Thu, Jul 1, 2021	34.87	35.09	34.27	34.62
5960	NYSE	DRQ	Wed, Jun 30, 2021	33.98	34.57	33.78	33.83
5959	NYSE	DRQ	Tue, Jun 29, 2021	34.16	34.71	33.87	33.93
5958	NYSE	DRQ	Mon, Jun 28, 2021	36.66	36.71	33.45	33.71
5957	NYSE	DRQ	Fri, Jun 25, 2021	37.18	37.47	36.42	36.45
5956	NYSE	DRQ	Thu, Jun 24, 2021	37.12	37.44	36.50	37.17
5955	NYSE	DRQ	Wed, Jun 23, 2021	38.71	39.19	36.91	37.00
5954	NYSE	DRQ	Tue, Jun 22, 2021	37.61	38.11	37.00	38.01
5953	NYSE	DRQ	Mon, Jun 21, 2021	36.55	38.65	36.55	38.04
5952	NYSE	DRQ	Fri, Jun 18, 2021	36.54	37.32	36.11	36.26
5951	NYSE	DRQ	Thu, Jun 17, 2021	39.54	39.59	36.61	37.33
5950	NYSE	DRQ	Wed, Jun 16, 2021	38.72	40.09	38.64	39.72
5949	NYSE	DRQ	Tue, Jun 15, 2021	38.04	39.11	37.68	39.09
5948	NYSE	DRQ	Mon, Jun 14, 2021	38.50	39.31	37.71	37.88
5947	NYSE	DRQ	Fri, Jun 11, 2021	37.99	38.06	37.38	37.75
5946	NYSE	DRQ	Thu, Jun 10, 2021	38.35	38.64	37.17	37.80
5945	NYSE	DRQ	Wed, Jun 9, 2021	37.82	38.06	37.47	37.99
5944	NYSE	DRQ	Tue, Jun 8, 2021	37.02	37.96	36.58	37.70
5943	NYSE	DRQ	Mon, Jun 7, 2021	38.21	38.45	37.07	37.16
5942	NYSE	DRQ	Fri, Jun 4, 2021	37.75	38.45	36.59	38.24
5941	NYSE	DRQ	Thu, Jun 3, 2021	36.59	37.68	36.17	37.42
5940	NYSE	DRQ	Wed, Jun 2, 2021	34.76	37.93	34.08	36.83
5939	NYSE	DRQ	Tue, Jun 1, 2021	34.21	34.99	33.95	34.43
5938	NYSE	DRQ	Fri, May 28, 2021	33.86	33.86	33.09	33.53
5937	NYSE	DRQ	Thu, May 27, 2021	33.36	34.22	33.36	33.55
5936	NYSE	DRQ	Wed, May 26, 2021	31.73	33.14	31.73	33.08
5935	NYSE	DRQ	Tue, May 25, 2021	32.21	32.45	31.81	32.00
5934	NYSE	DRQ	Mon, May 24, 2021	32.61	32.64	31.72	32.30
5933	NYSE	DRQ	Fri, May 21, 2021	32.53	32.76	32.17	32.23
5932	NYSE	DRQ	Thu, May 20, 2021	32.00	32.20	31.17	32.02
5931	NYSE	DRQ	Wed, May 19, 2021	32.38	32.61	32.02	32.17
5930	NYSE	DRQ	Tue, May 18, 2021	34.37	34.75	33.32	33.34
5929	NYSE	DRQ	Mon, May 17, 2021	33.90	34.85	33.50	34.66
5928	NYSE	DRQ	Fri, May 14, 2021	33.58	34.52	33.58	34.32
5927	NYSE	DRQ	Thu, May 13, 2021	33.25	34.14	32.28	33.30
5926	NYSE	DRQ	Wed, May 12, 2021	34.04	35.70	33.50	33.80
5925	NYSE	DRQ	Tue, May 11, 2021	33.06	34.25	32.94	33.81
5924	NYSE	DRQ	Mon, May 10, 2021	37.00	37.44	34.20	34.20
5923	NYSE	DRQ	Fri, May 7, 2021	34.39	36.76	34.12	36.37
5922	NYSE	DRQ	Thu, May 6, 2021	34.50	35.47	33.82	35.27
5921	NYSE	DRQ	Wed, May 5, 2021	32.64	34.71	32.28	34.34
5920	NYSE	DRQ	Tue, May 4, 2021	32.12	32.96	32.01	32.18
5919	NYSE	DRQ	Mon, May 3, 2021	31.00	32.42	30.99	32.02
5918	NYSE	DRQ	Fri, Apr 30, 2021	30.11	31.00	30.06	30.65
5917	NYSE	DRQ	Thu, Apr 29, 2021	30.15	31.21	29.99	30.84
5916	NYSE	DRQ	Wed, Apr 28, 2021	29.10	30.23	29.10	30.05
5915	NYSE	DRQ	Tue, Apr 27, 2021	29.05	29.05	27.62	28.85
5914	NYSE	DRQ	Mon, Apr 26, 2021	28.23	29.64	28.23	28.79
5913	NYSE	DRQ	Fri, Apr 23, 2021	28.33	29.20	28.01	28.28
5912	NYSE	DRQ	Thu, Apr 22, 2021	29.21	29.64	28.06	28.06
5911	NYSE	DRQ	Wed, Apr 21, 2021	28.12	29.17	28.03	29.03
5910	NYSE	DRQ	Tue, Apr 20, 2021	29.55	29.75	28.48	28.71
5909	NYSE	DRQ	Mon, Apr 19, 2021	29.65	29.96	28.93	29.72
5908	NYSE	DRQ	Fri, Apr 16, 2021	30.70	30.70	29.55	29.69
5907	NYSE	DRQ	Thu, Apr 15, 2021	31.09	31.09	30.17	30.35
5906	NYSE	DRQ	Wed, Apr 14, 2021	29.99	31.75	29.99	30.95
5905	NYSE	DRQ	Tue, Apr 13, 2021	30.29	30.29	29.14	29.57
5904	NYSE	DRQ	Mon, Apr 12, 2021	30.76	31.17	30.00	30.48
5903	NYSE	DRQ	Fri, Apr 9, 2021	31.27	31.27	30.16	30.40
5902	NYSE	DRQ	Thu, Apr 8, 2021	31.67	31.91	30.88	31.41
5901	NYSE	DRQ	Wed, Apr 7, 2021	32.14	32.60	31.75	31.90
5900	NYSE	DRQ	Tue, Apr 6, 2021	32.76	33.29	32.05	32.18
5899	NYSE	DRQ	Mon, Apr 5, 2021	33.67	33.67	32.08	32.61
5898	NYSE	DRQ	Thu, Apr 1, 2021	33.41	33.90	32.39	33.77
5897	NYSE	DRQ	Wed, Mar 31, 2021	32.91	33.60	31.87	33.23
5896	NYSE	DRQ	Tue, Mar 30, 2021	32.45	33.48	32.19	32.92
5895	NYSE	DRQ	Mon, Mar 29, 2021	33.77	34.51	32.72	32.86
5894	NYSE	DRQ	Fri, Mar 26, 2021	33.86	34.43	33.30	34.11
5893	NYSE	DRQ	Thu, Mar 25, 2021	32.56	33.39	31.58	32.92
5892	NYSE	DRQ	Wed, Mar 24, 2021	33.46	34.80	33.07	33.17
5891	NYSE	DRQ	Tue, Mar 23, 2021	34.15	34.26	32.56	32.69
5890	NYSE	DRQ	Mon, Mar 22, 2021	35.29	35.35	34.60	35.05
5889	NYSE	DRQ	Fri, Mar 19, 2021	35.66	36.27	33.66	35.32
5888	NYSE	DRQ	Thu, Mar 18, 2021	37.69	38.13	35.20	35.59
5887	NYSE	DRQ	Wed, Mar 17, 2021	37.76	38.22	36.97	37.81
5886	NYSE	DRQ	Tue, Mar 16, 2021	37.74	38.05	36.83	37.58
5885	NYSE	DRQ	Mon, Mar 15, 2021	39.28	39.81	37.72	38.45
5884	NYSE	DRQ	Fri, Mar 12, 2021	39.04	39.86	38.91	39.78
5883	NYSE	DRQ	Thu, Mar 11, 2021	39.70	39.76	38.18	38.63
5882	NYSE	DRQ	Wed, Mar 10, 2021	38.57	39.67	38.57	39.43
5881	NYSE	DRQ	Tue, Mar 9, 2021	40.30	40.62	38.54	38.58
5880	NYSE	DRQ	Mon, Mar 8, 2021	39.06	40.61	37.51	40.48
5879	NYSE	DRQ	Fri, Mar 5, 2021	36.84	38.91	36.21	38.91
5878	NYSE	DRQ	Thu, Mar 4, 2021	35.30	37.13	34.99	37.05
5877	NYSE	DRQ	Wed, Mar 3, 2021	33.90	35.57	33.85	34.89
5876	NYSE	DRQ	Tue, Mar 2, 2021	36.18	36.51	33.45	33.55
5875	NYSE	DRQ	Mon, Mar 1, 2021	34.34	36.27	34.10	36.20
5874	NYSE	DRQ	Fri, Feb 26, 2021	35.37	35.95	33.07	33.96
5873	NYSE	DRQ	Thu, Feb 25, 2021	37.19	38.32	36.73	37.05
5872	NYSE	DRQ	Wed, Feb 24, 2021	35.60	37.20	35.50	36.85
5871	NYSE	DRQ	Tue, Feb 23, 2021	35.69	35.69	34.24	35.17
5870	NYSE	DRQ	Mon, Feb 22, 2021	34.15	36.18	34.15	35.44
5869	NYSE	DRQ	Fri, Feb 19, 2021	35.00	35.57	33.64	34.01
5868	NYSE	DRQ	Thu, Feb 18, 2021	35.46	35.69	34.99	35.03
5867	NYSE	DRQ	Wed, Feb 17, 2021	35.36	35.84	34.64	35.63
5866	NYSE	DRQ	Tue, Feb 16, 2021	34.73	35.82	34.48	35.48
5865	NYSE	DRQ	Fri, Feb 12, 2021	32.94	33.72	32.94	33.68
5864	NYSE	DRQ	Thu, Feb 11, 2021	34.16	34.42	33.21	33.33
5863	NYSE	DRQ	Wed, Feb 10, 2021	34.34	34.76	33.82	34.23
5862	NYSE	DRQ	Tue, Feb 9, 2021	33.52	34.75	33.32	34.13
5861	NYSE	DRQ	Mon, Feb 8, 2021	32.14	33.85	32.05	33.69
5860	NYSE	DRQ	Fri, Feb 5, 2021	32.46	32.72	31.62	31.77
5859	NYSE	DRQ	Thu, Feb 4, 2021	31.75	32.20	30.97	32.13
5858	NYSE	DRQ	Wed, Feb 3, 2021	30.50	31.70	30.40	31.63
5857	NYSE	DRQ	Tue, Feb 2, 2021	31.20	31.20	30.33	30.39
5856	NYSE	DRQ	Mon, Feb 1, 2021	30.44	30.57	29.20	30.46
5855	NYSE	DRQ	Fri, Jan 29, 2021	30.96	31.60	30.09	30.12
5854	NYSE	DRQ	Thu, Jan 28, 2021	30.87	31.96	30.58	31.18
5853	NYSE	DRQ	Wed, Jan 27, 2021	31.28	32.01	30.33	30.37
5852	NYSE	DRQ	Tue, Jan 26, 2021	32.50	32.69	31.86	31.98
5851	NYSE	DRQ	Mon, Jan 25, 2021	32.85	32.85	31.33	32.18
5850	NYSE	DRQ	Fri, Jan 22, 2021	31.15	33.17	30.93	33.10
5849	NYSE	DRQ	Thu, Jan 21, 2021	32.43	32.60	31.72	32.06
5848	NYSE	DRQ	Wed, Jan 20, 2021	33.32	33.32	32.27	32.59
5847	NYSE	DRQ	Tue, Jan 19, 2021	33.24	33.46	32.49	33.15
5846	NYSE	DRQ	Fri, Jan 15, 2021	34.13	34.70	32.73	32.84
5845	NYSE	DRQ	Thu, Jan 14, 2021	33.28	35.85	33.07	35.11
5844	NYSE	DRQ	Wed, Jan 13, 2021	34.91	34.91	32.77	32.96
5843	NYSE	DRQ	Tue, Jan 12, 2021	33.89	35.39	33.70	34.93
5842	NYSE	DRQ	Mon, Jan 11, 2021	32.32	33.70	32.04	33.54
5841	NYSE	DRQ	Fri, Jan 8, 2021	34.49	34.53	33.07	33.38
5840	NYSE	DRQ	Thu, Jan 7, 2021	33.89	34.47	33.29	33.96
5839	NYSE	DRQ	Wed, Jan 6, 2021	33.01	34.73	32.62	33.94
5838	NYSE	DRQ	Tue, Jan 5, 2021	30.81	32.52	30.81	31.92
5837	NYSE	DRQ	Mon, Jan 4, 2021	30.04	31.18	29.42	30.49
5836	NYSE	DRQ	Thu, Dec 31, 2020	29.75	30.08	29.34	29.62
5835	NYSE	DRQ	Wed, Dec 30, 2020	30.73	31.08	29.81	29.84
5834	NYSE	DRQ	Tue, Dec 29, 2020	31.50	31.50	30.34	30.59
5833	NYSE	DRQ	Mon, Dec 28, 2020	30.91	32.35	30.73	31.36
5832	NYSE	DRQ	Thu, Dec 24, 2020	31.28	31.61	30.14	30.64
5831	NYSE	DRQ	Wed, Dec 23, 2020	31.01	31.46	30.73	30.95
5830	NYSE	DRQ	Tue, Dec 22, 2020	30.82	31.09	30.53	30.68
5829	NYSE	DRQ	Mon, Dec 21, 2020	30.47	31.34	30.06	30.80
5828	NYSE	DRQ	Fri, Dec 18, 2020	32.45	32.54	31.20	31.28
5827	NYSE	DRQ	Thu, Dec 17, 2020	32.02	32.61	31.38	32.37
5826	NYSE	DRQ	Wed, Dec 16, 2020	32.93	32.93	31.80	31.87
5825	NYSE	DRQ	Tue, Dec 15, 2020	32.48	33.26	32.00	32.91
5824	NYSE	DRQ	Mon, Dec 14, 2020	33.27	33.27	31.90	32.13
5823	NYSE	DRQ	Fri, Dec 11, 2020	33.70	33.98	32.42	32.75
5822	NYSE	DRQ	Thu, Dec 10, 2020	32.99	34.48	32.60	34.10
5821	NYSE	DRQ	Wed, Dec 9, 2020	33.74	34.21	32.45	33.10
5820	NYSE	DRQ	Tue, Dec 8, 2020	32.64	33.71	32.48	33.50
5819	NYSE	DRQ	Mon, Dec 7, 2020	33.25	33.64	32.80	33.25
5818	NYSE	DRQ	Fri, Dec 4, 2020	32.20	34.00	32.10	33.62
5817	NYSE	DRQ	Thu, Dec 3, 2020	31.23	32.15	30.95	31.72
5816	NYSE	DRQ	Wed, Dec 2, 2020	30.02	31.65	30.02	31.10
5815	NYSE	DRQ	Tue, Dec 1, 2020	29.21	30.34	29.06	30.17
5814	NYSE	DRQ	Mon, Nov 30, 2020	29.87	30.20	28.31	28.42
5813	NYSE	DRQ	Fri, Nov 27, 2020	30.52	30.75	29.81	30.47
5812	NYSE	DRQ	Wed, Nov 25, 2020	31.31	31.58	30.77	30.93
5811	NYSE	DRQ	Tue, Nov 24, 2020	31.61	32.22	31.15	31.71
5810	NYSE	DRQ	Mon, Nov 23, 2020	30.08	30.80	29.83	30.65
5809	NYSE	DRQ	Fri, Nov 20, 2020	29.48	29.90	28.92	29.50
5808	NYSE	DRQ	Thu, Nov 19, 2020	29.05	30.08	28.91	29.81
5807	NYSE	DRQ	Wed, Nov 18, 2020	31.38	32.02	29.34	29.38
5806	NYSE	DRQ	Tue, Nov 17, 2020	30.38	31.26	30.03	31.12
5805	NYSE	DRQ	Mon, Nov 16, 2020	29.99	31.29	29.59	31.02
5804	NYSE	DRQ	Fri, Nov 13, 2020	28.42	28.90	27.91	28.78
5803	NYSE	DRQ	Thu, Nov 12, 2020	28.34	29.46	27.75	28.05
5802	NYSE	DRQ	Wed, Nov 11, 2020	29.69	29.77	28.40	29.05
5801	NYSE	DRQ	Tue, Nov 10, 2020	28.85	29.49	28.43	29.41
5800	NYSE	DRQ	Mon, Nov 9, 2020	27.14	29.58	26.92	28.63
5799	NYSE	DRQ	Fri, Nov 6, 2020	24.65	25.17	24.04	24.27
5798	NYSE	DRQ	Thu, Nov 5, 2020	24.89	25.86	24.60	24.63
5797	NYSE	DRQ	Wed, Nov 4, 2020	25.05	25.53	24.30	24.77
5796	NYSE	DRQ	Tue, Nov 3, 2020	26.64	27.42	25.35	25.64
5795	NYSE	DRQ	Mon, Nov 2, 2020	26.11	26.33	25.57	26.00
5794	NYSE	DRQ	Fri, Oct 30, 2020	25.01	26.46	24.52	25.90
5793	NYSE	DRQ	Thu, Oct 29, 2020	23.59	24.09	23.00	24.02
5792	NYSE	DRQ	Wed, Oct 28, 2020	23.85	24.05	23.14	23.86
5791	NYSE	DRQ	Tue, Oct 27, 2020	25.08	25.30	24.46	24.69
5790	NYSE	DRQ	Mon, Oct 26, 2020	25.38	25.43	24.68	25.21
5789	NYSE	DRQ	Fri, Oct 23, 2020	26.26	26.50	25.39	25.72
5788	NYSE	DRQ	Thu, Oct 22, 2020	25.81	26.38	25.26	26.00
5787	NYSE	DRQ	Wed, Oct 21, 2020	25.24	26.11	25.15	25.70
5786	NYSE	DRQ	Tue, Oct 20, 2020	25.15	25.78	24.89	25.32
5785	NYSE	DRQ	Mon, Oct 19, 2020	24.97	26.00	24.77	24.88
5784	NYSE	DRQ	Fri, Oct 16, 2020	24.86	25.60	24.60	24.68
5783	NYSE	DRQ	Thu, Oct 15, 2020	24.16	25.00	24.10	24.98
5782	NYSE	DRQ	Wed, Oct 14, 2020	24.66	25.66	24.66	24.70
5781	NYSE	DRQ	Tue, Oct 13, 2020	24.48	25.08	24.26	24.70
5780	NYSE	DRQ	Mon, Oct 12, 2020	24.60	24.88	23.69	24.56
5779	NYSE	DRQ	Fri, Oct 9, 2020	25.61	25.61	24.59	24.69
5778	NYSE	DRQ	Thu, Oct 8, 2020	24.82	25.58	24.63	25.56
5777	NYSE	DRQ	Wed, Oct 7, 2020	24.39	24.70	23.88	24.35
5776	NYSE	DRQ	Tue, Oct 6, 2020	25.30	25.88	24.33	24.36
5775	NYSE	DRQ	Mon, Oct 5, 2020	25.06	25.89	24.53	24.68
5774	NYSE	DRQ	Fri, Oct 2, 2020	23.80	25.50	23.62	24.79
5773	NYSE	DRQ	Thu, Oct 1, 2020	24.36	24.57	23.60	24.50
5772	NYSE	DRQ	Wed, Sep 30, 2020	25.12	26.14	24.32	24.76
5771	NYSE	DRQ	Tue, Sep 29, 2020	24.25	24.87	24.09	24.75
5770	NYSE	DRQ	Mon, Sep 28, 2020	23.98	24.84	23.98	24.38
5769	NYSE	DRQ	Fri, Sep 25, 2020	22.72	23.76	22.63	23.53
5768	NYSE	DRQ	Thu, Sep 24, 2020	22.95	23.51	22.25	22.97
5767	NYSE	DRQ	Wed, Sep 23, 2020	25.00	25.03	22.98	23.07
5766	NYSE	DRQ	Tue, Sep 22, 2020	24.86	25.56	24.29	25.22
5765	NYSE	DRQ	Mon, Sep 21, 2020	25.74	25.74	24.22	24.99
5764	NYSE	DRQ	Fri, Sep 18, 2020	26.85	27.05	25.99	26.28
5763	NYSE	DRQ	Thu, Sep 17, 2020	27.37	27.53	26.51	26.76
5762	NYSE	DRQ	Wed, Sep 16, 2020	27.48	28.47	27.39	27.78
5761	NYSE	DRQ	Tue, Sep 15, 2020	27.68	27.96	26.87	27.20
5760	NYSE	DRQ	Mon, Sep 14, 2020	29.15	29.25	27.36	27.48
5759	NYSE	DRQ	Fri, Sep 11, 2020	30.24	30.30	29.05	29.17
5758	NYSE	DRQ	Thu, Sep 10, 2020	31.88	31.97	29.96	30.14
5757	NYSE	DRQ	Wed, Sep 9, 2020	32.54	32.88	31.73	31.73
5756	NYSE	DRQ	Tue, Sep 8, 2020	33.10	33.10	31.54	32.07
5755	NYSE	DRQ	Fri, Sep 4, 2020	34.08	34.28	33.29	33.74
5754	NYSE	DRQ	Thu, Sep 3, 2020	33.58	34.43	33.46	33.80
5753	NYSE	DRQ	Wed, Sep 2, 2020	33.50	33.73	32.98	33.48
5752	NYSE	DRQ	Tue, Sep 1, 2020	32.77	33.81	32.59	33.68
5751	NYSE	DRQ	Mon, Aug 31, 2020	33.63	34.24	32.98	33.13
5750	NYSE	DRQ	Fri, Aug 28, 2020	33.53	34.13	33.17	33.98
5749	NYSE	DRQ	Thu, Aug 27, 2020	34.16	34.17	32.59	33.45
5748	NYSE	DRQ	Wed, Aug 26, 2020	36.18	36.18	33.77	33.94
5747	NYSE	DRQ	Tue, Aug 25, 2020	36.67	36.80	35.80	36.04
5746	NYSE	DRQ	Mon, Aug 24, 2020	34.02	36.37	33.90	36.35
5745	NYSE	DRQ	Fri, Aug 21, 2020	33.62	33.70	32.94	33.67
5744	NYSE	DRQ	Thu, Aug 20, 2020	34.10	34.32	33.72	33.87
5743	NYSE	DRQ	Wed, Aug 19, 2020	34.86	35.21	34.44	34.62
5742	NYSE	DRQ	Tue, Aug 18, 2020	35.67	35.70	34.59	35.01
5741	NYSE	DRQ	Mon, Aug 17, 2020	35.57	35.89	34.99	35.55
5740	NYSE	DRQ	Fri, Aug 14, 2020	35.63	36.03	35.32	35.80
5739	NYSE	DRQ	Thu, Aug 13, 2020	35.85	36.14	35.57	35.91
5738	NYSE	DRQ	Wed, Aug 12, 2020	37.51	37.51	35.93	36.21
5737	NYSE	DRQ	Tue, Aug 11, 2020	38.26	38.60	36.43	36.69
5736	NYSE	DRQ	Mon, Aug 10, 2020	36.66	37.90	36.63	37.40
5735	NYSE	DRQ	Fri, Aug 7, 2020	35.42	36.41	35.02	36.37
5734	NYSE	DRQ	Thu, Aug 6, 2020	36.79	36.93	34.81	35.74
5733	NYSE	DRQ	Wed, Aug 5, 2020	35.94	36.70	35.61	36.62
5732	NYSE	DRQ	Tue, Aug 4, 2020	34.15	35.31	34.10	35.14
5731	NYSE	DRQ	Mon, Aug 3, 2020	33.43	34.36	32.79	34.23
5730	NYSE	DRQ	Fri, Jul 31, 2020	34.43	35.06	31.13	33.29
5729	NYSE	DRQ	Thu, Jul 30, 2020	35.27	35.27	32.81	34.66
5728	NYSE	DRQ	Wed, Jul 29, 2020	34.59	36.16	34.41	36.05
5727	NYSE	DRQ	Tue, Jul 28, 2020	34.75	35.26	33.69	34.26
5726	NYSE	DRQ	Mon, Jul 27, 2020	33.94	35.21	33.49	35.02
5725	NYSE	DRQ	Fri, Jul 24, 2020	34.00	34.69	33.91	34.04
5724	NYSE	DRQ	Thu, Jul 23, 2020	33.49	34.36	33.10	34.28
5723	NYSE	DRQ	Wed, Jul 22, 2020	33.75	34.14	33.40	33.95
5722	NYSE	DRQ	Tue, Jul 21, 2020	32.69	34.74	32.69	34.44
5721	NYSE	DRQ	Mon, Jul 20, 2020	32.14	32.84	31.74	31.86
5720	NYSE	DRQ	Fri, Jul 17, 2020	32.10	32.78	31.92	32.16
5719	NYSE	DRQ	Thu, Jul 16, 2020	31.51	32.55	30.94	32.00
5718	NYSE	DRQ	Wed, Jul 15, 2020	32.39	33.25	32.36	32.93
5717	NYSE	DRQ	Tue, Jul 14, 2020	30.58	31.85	30.25	31.79
5716	NYSE	DRQ	Mon, Jul 13, 2020	30.23	31.33	29.68	30.68
5715	NYSE	DRQ	Fri, Jul 10, 2020	29.01	30.00	29.01	29.91
5714	NYSE	DRQ	Thu, Jul 9, 2020	30.16	30.30	28.61	29.01
5713	NYSE	DRQ	Wed, Jul 8, 2020	29.69	30.95	29.48	30.02
5712	NYSE	DRQ	Tue, Jul 7, 2020	30.11	30.98	29.61	29.65
5711	NYSE	DRQ	Mon, Jul 6, 2020	31.38	31.70	29.59	30.59
5710	NYSE	DRQ	Thu, Jul 2, 2020	30.46	30.96	30.16	30.59
5709	NYSE	DRQ	Wed, Jul 1, 2020	30.04	30.79	29.58	29.71
5708	NYSE	DRQ	Tue, Jun 30, 2020	28.88	29.92	28.74	29.79
5707	NYSE	DRQ	Mon, Jun 29, 2020	29.29	29.67	28.79	29.32
5706	NYSE	DRQ	Fri, Jun 26, 2020	29.60	29.66	27.97	29.05
5705	NYSE	DRQ	Thu, Jun 25, 2020	28.68	30.05	28.68	30.00
5704	NYSE	DRQ	Wed, Jun 24, 2020	29.90	30.08	28.59	28.92
5703	NYSE	DRQ	Tue, Jun 23, 2020	30.74	30.97	29.87	30.47
5702	NYSE	DRQ	Mon, Jun 22, 2020	29.32	30.40	28.81	30.36
5701	NYSE	DRQ	Fri, Jun 19, 2020	31.15	31.40	29.19	29.42
5700	NYSE	DRQ	Thu, Jun 18, 2020	30.31	31.15	29.78	30.24
5699	NYSE	DRQ	Wed, Jun 17, 2020	31.45	32.02	30.61	30.82
5698	NYSE	DRQ	Tue, Jun 16, 2020	33.37	33.50	31.26	31.73
5697	NYSE	DRQ	Mon, Jun 15, 2020	29.55	32.67	29.44	31.51
5696	NYSE	DRQ	Fri, Jun 12, 2020	31.95	32.36	30.38	31.18
5695	NYSE	DRQ	Thu, Jun 11, 2020	32.87	33.29	29.98	30.41
5694	NYSE	DRQ	Wed, Jun 10, 2020	36.14	36.42	34.58	35.31
5693	NYSE	DRQ	Tue, Jun 9, 2020	37.42	37.59	36.20	37.02
5692	NYSE	DRQ	Mon, Jun 8, 2020	37.06	38.72	36.43	38.57
5691	NYSE	DRQ	Fri, Jun 5, 2020	35.67	36.76	35.31	35.96
5690	NYSE	DRQ	Thu, Jun 4, 2020	31.74	34.13	31.38	33.76
5689	NYSE	DRQ	Wed, Jun 3, 2020	32.63	32.94	31.72	32.00
5688	NYSE	DRQ	Tue, Jun 2, 2020	31.14	32.11	30.65	31.86
5687	NYSE	DRQ	Mon, Jun 1, 2020	30.45	31.89	29.91	30.74
5686	NYSE	DRQ	Fri, May 29, 2020	29.94	30.77	28.99	30.39
5685	NYSE	DRQ	Thu, May 28, 2020	30.93	31.05	30.10	30.33
5684	NYSE	DRQ	Wed, May 27, 2020	29.67	30.69	28.76	30.51
5683	NYSE	DRQ	Tue, May 26, 2020	27.95	29.65	27.95	29.25
5682	NYSE	DRQ	Fri, May 22, 2020	27.00	27.11	26.25	27.06
5681	NYSE	DRQ	Thu, May 21, 2020	27.99	28.32	27.02	27.17
5680	NYSE	DRQ	Wed, May 20, 2020	26.64	28.01	26.25	27.90
5679	NYSE	DRQ	Tue, May 19, 2020	27.03	27.18	25.82	25.83
5678	NYSE	DRQ	Mon, May 18, 2020	26.59	27.67	26.40	27.34
5677	NYSE	DRQ	Fri, May 15, 2020	25.38	25.91	25.07	25.36
5676	NYSE	DRQ	Thu, May 14, 2020	25.00	25.72	24.10	25.33
5675	NYSE	DRQ	Wed, May 13, 2020	27.61	27.77	25.18	25.51
5674	NYSE	DRQ	Tue, May 12, 2020	26.68	28.64	25.58	27.72
5673	NYSE	DRQ	Mon, May 11, 2020	27.20	28.13	26.77	27.72
5672	NYSE	DRQ	Fri, May 8, 2020	27.33	28.21	27.02	27.81
5671	NYSE	DRQ	Thu, May 7, 2020	27.42	28.14	24.32	26.76
5670	NYSE	DRQ	Wed, May 6, 2020	29.19	29.54	27.21	27.61
5669	NYSE	DRQ	Tue, May 5, 2020	31.77	32.28	29.07	29.18
5668	NYSE	DRQ	Mon, May 4, 2020	28.96	30.04	28.66	30.00
5667	NYSE	DRQ	Fri, May 1, 2020	32.38	32.95	29.28	29.56
5666	NYSE	DRQ	Thu, Apr 30, 2020	34.83	35.22	32.08	33.13
5665	NYSE	DRQ	Wed, Apr 29, 2020	34.48	35.46	34.08	35.02
5664	NYSE	DRQ	Tue, Apr 28, 2020	33.27	33.90	32.38	32.74
5663	NYSE	DRQ	Mon, Apr 27, 2020	32.95	32.95	31.32	32.57
5662	NYSE	DRQ	Fri, Apr 24, 2020	33.50	34.00	32.03	33.07
5661	NYSE	DRQ	Thu, Apr 23, 2020	31.37	33.90	30.84	32.86
5660	NYSE	DRQ	Wed, Apr 22, 2020	31.37	32.20	29.89	30.69
5659	NYSE	DRQ	Tue, Apr 21, 2020	30.91	31.57	28.98	29.94
5658	NYSE	DRQ	Mon, Apr 20, 2020	31.10	32.92	30.80	32.08
5657	NYSE	DRQ	Fri, Apr 17, 2020	33.41	34.77	32.25	32.86
5656	NYSE	DRQ	Thu, Apr 16, 2020	33.94	34.72	32.21	33.27
5655	NYSE	DRQ	Wed, Apr 15, 2020	32.15	34.93	31.28	33.97
5654	NYSE	DRQ	Tue, Apr 14, 2020	33.68	34.80	33.09	34.60
5653	NYSE	DRQ	Mon, Apr 13, 2020	35.22	35.22	33.31	33.59
5652	NYSE	DRQ	Thu, Apr 9, 2020	34.85	36.61	32.82	34.80
5651	NYSE	DRQ	Wed, Apr 8, 2020	32.05	33.79	31.71	33.34
5650	NYSE	DRQ	Tue, Apr 7, 2020	31.73	33.31	30.92	31.42
5649	NYSE	DRQ	Mon, Apr 6, 2020	29.23	30.77	27.77	29.92
5648	NYSE	DRQ	Fri, Apr 3, 2020	33.41	33.41	28.54	28.97
5647	NYSE	DRQ	Thu, Apr 2, 2020	30.13	34.35	29.56	32.11
5646	NYSE	DRQ	Wed, Apr 1, 2020	29.53	30.77	28.07	29.01
5645	NYSE	DRQ	Tue, Mar 31, 2020	28.65	32.35	28.65	30.50
5644	NYSE	DRQ	Mon, Mar 30, 2020	27.52	28.32	26.43	28.20
5643	NYSE	DRQ	Fri, Mar 27, 2020	28.71	29.44	27.66	27.97
5642	NYSE	DRQ	Thu, Mar 26, 2020	30.85	32.00	27.85	29.92
5641	NYSE	DRQ	Wed, Mar 25, 2020	32.71	33.52	30.43	30.84
5640	NYSE	DRQ	Tue, Mar 24, 2020	32.91	33.98	30.41	32.50
5639	NYSE	DRQ	Mon, Mar 23, 2020	30.96	33.79	30.17	30.73
5638	NYSE	DRQ	Fri, Mar 20, 2020	29.85	33.82	29.50	30.39
5637	NYSE	DRQ	Thu, Mar 19, 2020	32.01	35.41	28.79	29.44
5636	NYSE	DRQ	Wed, Mar 18, 2020	34.43	34.72	30.45	31.85
5635	NYSE	DRQ	Tue, Mar 17, 2020	33.04	37.75	33.04	36.45
5634	NYSE	DRQ	Mon, Mar 16, 2020	24.00	35.06	23.91	32.57
5633	NYSE	DRQ	Fri, Mar 13, 2020	28.14	31.71	25.95	31.63
5632	NYSE	DRQ	Thu, Mar 12, 2020	27.80	29.92	26.31	26.74
5631	NYSE	DRQ	Wed, Mar 11, 2020	31.96	33.13	29.01	29.72
5630	NYSE	DRQ	Tue, Mar 10, 2020	31.81	33.79	29.45	33.58
5629	NYSE	DRQ	Mon, Mar 9, 2020	26.00	30.38	26.00	29.67
5628	NYSE	DRQ	Fri, Mar 6, 2020	33.63	34.66	32.28	33.41
5627	NYSE	DRQ	Thu, Mar 5, 2020	34.60	35.35	34.34	35.00
5626	NYSE	DRQ	Wed, Mar 4, 2020	37.50	37.50	33.97	35.48
5625	NYSE	DRQ	Tue, Mar 3, 2020	36.88	37.22	35.83	36.81
5624	NYSE	DRQ	Mon, Mar 2, 2020	35.88	37.03	34.01	36.99
5623	NYSE	DRQ	Fri, Feb 28, 2020	37.22	38.36	33.21	35.62
5622	NYSE	DRQ	Thu, Feb 27, 2020	33.51	34.72	33.08	33.17
5621	NYSE	DRQ	Wed, Feb 26, 2020	35.95	36.59	34.91	35.07
5620	NYSE	DRQ	Tue, Feb 25, 2020	37.92	37.94	35.58	35.82
5619	NYSE	DRQ	Mon, Feb 24, 2020	38.15	38.77	37.65	37.87
5618	NYSE	DRQ	Fri, Feb 21, 2020	39.57	39.94	38.61	39.78
5617	NYSE	DRQ	Thu, Feb 20, 2020	40.79	41.15	40.00	40.04
5616	NYSE	DRQ	Wed, Feb 19, 2020	40.81	41.20	40.32	40.62
5615	NYSE	DRQ	Tue, Feb 18, 2020	40.70	41.01	39.17	40.47
5614	NYSE	DRQ	Fri, Feb 14, 2020	41.85	41.85	40.43	41.31
5613	NYSE	DRQ	Thu, Feb 13, 2020	42.28	42.70	41.34	41.55
5612	NYSE	DRQ	Wed, Feb 12, 2020	43.03	43.82	42.36	42.69
5611	NYSE	DRQ	Tue, Feb 11, 2020	42.32	43.20	41.86	42.37
5610	NYSE	DRQ	Mon, Feb 10, 2020	41.88	41.98	40.76	41.52
5609	NYSE	DRQ	Fri, Feb 7, 2020	43.38	43.49	42.21	42.25
5608	NYSE	DRQ	Thu, Feb 6, 2020	44.50	44.97	43.29	43.84
5607	NYSE	DRQ	Wed, Feb 5, 2020	44.06	45.10	43.92	44.30
5606	NYSE	DRQ	Tue, Feb 4, 2020	43.56	44.15	43.09	43.45
5605	NYSE	DRQ	Mon, Feb 3, 2020	40.82	42.27	40.65	42.25
5604	NYSE	DRQ	Fri, Jan 31, 2020	40.90	41.20	40.21	40.90
5603	NYSE	DRQ	Thu, Jan 30, 2020	40.48	41.67	40.18	41.64
5602	NYSE	DRQ	Wed, Jan 29, 2020	42.33	42.49	41.34	41.43
5601	NYSE	DRQ	Tue, Jan 28, 2020	42.29	43.30	41.55	42.30
5600	NYSE	DRQ	Mon, Jan 27, 2020	43.96	44.26	41.91	41.97
5599	NYSE	DRQ	Fri, Jan 24, 2020	46.53	46.53	44.53	45.30
5598	NYSE	DRQ	Thu, Jan 23, 2020	45.91	47.14	45.17	46.69
5597	NYSE	DRQ	Wed, Jan 22, 2020	46.23	46.68	45.78	46.57
5596	NYSE	DRQ	Tue, Jan 21, 2020	46.36	46.78	46.04	46.52
5595	NYSE	DRQ	Fri, Jan 17, 2020	47.15	47.21	46.40	46.92
5594	NYSE	DRQ	Thu, Jan 16, 2020	46.29	46.94	45.85	46.87
5593	NYSE	DRQ	Wed, Jan 15, 2020	45.81	46.17	45.45	45.94
5592	NYSE	DRQ	Tue, Jan 14, 2020	46.28	46.56	45.84	46.35
5591	NYSE	DRQ	Mon, Jan 13, 2020	46.43	46.94	45.95	46.72
5590	NYSE	DRQ	Fri, Jan 10, 2020	46.67	46.89	46.09	46.64
5589	NYSE	DRQ	Thu, Jan 9, 2020	46.25	47.09	45.63	46.90
5588	NYSE	DRQ	Wed, Jan 8, 2020	47.45	47.45	46.00	46.21
5587	NYSE	DRQ	Tue, Jan 7, 2020	47.97	48.01	46.71	47.44
5586	NYSE	DRQ	Mon, Jan 6, 2020	47.72	48.39	47.27	48.11
5585	NYSE	DRQ	Fri, Jan 3, 2020	47.59	48.02	46.86	47.50
5584	NYSE	DRQ	Thu, Jan 2, 2020	47.42	47.42	46.21	46.73
5583	NYSE	DRQ	Tue, Dec 31, 2019	46.59	47.29	46.07	46.91
5582	NYSE	DRQ	Mon, Dec 30, 2019	46.90	47.94	46.90	46.96
5581	NYSE	DRQ	Fri, Dec 27, 2019	47.95	48.28	46.46	46.58
5580	NYSE	DRQ	Thu, Dec 26, 2019	47.60	47.98	47.39	47.84
5579	NYSE	DRQ	Tue, Dec 24, 2019	47.68	47.84	47.29	47.41
5578	NYSE	DRQ	Mon, Dec 23, 2019	47.12	47.74	47.01	47.39
5577	NYSE	DRQ	Fri, Dec 20, 2019	48.13	48.21	46.92	47.12
5576	NYSE	DRQ	Thu, Dec 19, 2019	46.80	48.01	46.80	47.88
5575	NYSE	DRQ	Wed, Dec 18, 2019	46.72	47.43	46.53	46.95
5574	NYSE	DRQ	Tue, Dec 17, 2019	46.52	46.98	46.43	46.68
5573	NYSE	DRQ	Mon, Dec 16, 2019	45.86	47.05	45.77	46.35
5572	NYSE	DRQ	Fri, Dec 13, 2019	45.61	46.16	45.14	45.51
5571	NYSE	DRQ	Thu, Dec 12, 2019	44.93	46.30	44.93	45.64
5570	NYSE	DRQ	Wed, Dec 11, 2019	44.49	44.92	44.25	44.65
5569	NYSE	DRQ	Tue, Dec 10, 2019	44.34	45.17	43.88	44.48
5568	NYSE	DRQ	Mon, Dec 9, 2019	44.58	45.10	43.98	44.08
5567	NYSE	DRQ	Fri, Dec 6, 2019	43.67	45.13	43.46	44.91
5566	NYSE	DRQ	Thu, Dec 5, 2019	43.89	44.04	43.06	43.38
5565	NYSE	DRQ	Wed, Dec 4, 2019	42.89	44.21	42.89	43.47
5564	NYSE	DRQ	Tue, Dec 3, 2019	42.20	42.54	41.50	42.05
5563	NYSE	DRQ	Mon, Dec 2, 2019	42.77	43.83	41.90	42.83
5562	NYSE	DRQ	Fri, Nov 29, 2019	43.33	43.33	41.93	42.26
5561	NYSE	DRQ	Wed, Nov 27, 2019	43.33	44.03	42.98	43.77
5560	NYSE	DRQ	Tue, Nov 26, 2019	43.85	44.41	43.09	43.15
5559	NYSE	DRQ	Mon, Nov 25, 2019	42.96	44.02	42.56	43.99
5558	NYSE	DRQ	Fri, Nov 22, 2019	44.00	44.47	42.84	43.29
5557	NYSE	DRQ	Thu, Nov 21, 2019	44.15	44.40	43.18	44.00
5556	NYSE	DRQ	Wed, Nov 20, 2019	43.10	44.55	43.06	43.79
5555	NYSE	DRQ	Tue, Nov 19, 2019	43.46	43.57	42.79	43.14
5554	NYSE	DRQ	Mon, Nov 18, 2019	44.38	44.60	43.53	43.59
5553	NYSE	DRQ	Fri, Nov 15, 2019	44.67	44.99	43.99	44.92
5552	NYSE	DRQ	Thu, Nov 14, 2019	44.38	45.09	44.18	44.21
5551	NYSE	DRQ	Wed, Nov 13, 2019	44.20	44.80	43.90	44.43
5550	NYSE	DRQ	Tue, Nov 12, 2019	45.37	45.70	44.41	44.54
5549	NYSE	DRQ	Mon, Nov 11, 2019	44.40	45.17	43.80	45.15
5548	NYSE	DRQ	Fri, Nov 8, 2019	44.45	45.30	43.99	45.23
5547	NYSE	DRQ	Thu, Nov 7, 2019	45.47	46.17	44.66	44.88
5546	NYSE	DRQ	Wed, Nov 6, 2019	44.84	45.29	44.04	44.57
5545	NYSE	DRQ	Tue, Nov 5, 2019	45.32	46.41	44.92	45.18
5544	NYSE	DRQ	Mon, Nov 4, 2019	43.76	45.15	43.16	45.07
5543	NYSE	DRQ	Fri, Nov 1, 2019	41.28	42.98	40.53	42.84
5542	NYSE	DRQ	Thu, Oct 31, 2019	41.47	41.89	40.02	41.02
5541	NYSE	DRQ	Wed, Oct 30, 2019	44.07	44.37	41.25	41.79
5540	NYSE	DRQ	Tue, Oct 29, 2019	43.75	44.27	42.26	44.26
5539	NYSE	DRQ	Mon, Oct 28, 2019	44.12	45.73	44.07	44.53
5538	NYSE	DRQ	Fri, Oct 25, 2019	45.54	46.77	43.67	43.92
5537	NYSE	DRQ	Thu, Oct 24, 2019	48.36	48.61	46.83	48.34
5536	NYSE	DRQ	Wed, Oct 23, 2019	47.72	49.09	47.26	48.29
5535	NYSE	DRQ	Tue, Oct 22, 2019	47.13	48.96	46.88	48.03
5534	NYSE	DRQ	Mon, Oct 21, 2019	45.90	47.67	45.90	46.95
5533	NYSE	DRQ	Fri, Oct 18, 2019	49.18	50.16	45.59	45.73
5532	NYSE	DRQ	Thu, Oct 17, 2019	50.44	50.87	49.29	49.38
5531	NYSE	DRQ	Wed, Oct 16, 2019	50.41	51.46	50.07	50.26
5530	NYSE	DRQ	Tue, Oct 15, 2019	50.77	51.70	50.55	50.75
5529	NYSE	DRQ	Mon, Oct 14, 2019	50.84	51.32	49.75	50.69
5528	NYSE	DRQ	Fri, Oct 11, 2019	50.21	52.30	50.19	51.59
5527	NYSE	DRQ	Thu, Oct 10, 2019	48.23	49.58	48.19	49.25
5526	NYSE	DRQ	Wed, Oct 9, 2019	47.69	47.91	46.81	47.54
5525	NYSE	DRQ	Tue, Oct 8, 2019	47.11	48.07	46.15	47.11
5524	NYSE	DRQ	Mon, Oct 7, 2019	48.07	49.10	47.70	48.07
5523	NYSE	DRQ	Fri, Oct 4, 2019	48.65	49.16	47.56	48.06
5522	NYSE	DRQ	Thu, Oct 3, 2019	47.07	48.42	46.80	48.33
5521	NYSE	DRQ	Wed, Oct 2, 2019	47.93	48.35	46.40	47.42
5520	NYSE	DRQ	Tue, Oct 1, 2019	50.63	51.20	47.79	48.10
5519	NYSE	DRQ	Mon, Sep 30, 2019	49.97	50.66	49.59	50.18
5518	NYSE	DRQ	Fri, Sep 27, 2019	51.61	52.57	50.37	50.71
5517	NYSE	DRQ	Thu, Sep 26, 2019	53.35	53.36	51.56	51.90
5516	NYSE	DRQ	Wed, Sep 25, 2019	52.95	53.93	52.43	53.85
5515	NYSE	DRQ	Tue, Sep 24, 2019	55.45	55.45	53.34	53.52
5514	NYSE	DRQ	Mon, Sep 23, 2019	53.82	56.07	53.82	55.63
5513	NYSE	DRQ	Fri, Sep 20, 2019	54.46	55.27	54.02	54.36
5512	NYSE	DRQ	Thu, Sep 19, 2019	55.16	56.71	54.14	54.36
5511	NYSE	DRQ	Wed, Sep 18, 2019	53.17	54.22	52.91	54.15
5510	NYSE	DRQ	Tue, Sep 17, 2019	54.86	55.18	52.57	53.64
5509	NYSE	DRQ	Mon, Sep 16, 2019	53.08	56.32	53.08	55.42
5508	NYSE	DRQ	Fri, Sep 13, 2019	52.48	53.07	51.70	51.99
5507	NYSE	DRQ	Thu, Sep 12, 2019	50.82	52.16	49.55	51.84
5506	NYSE	DRQ	Wed, Sep 11, 2019	51.42	52.42	51.10	51.89
5505	NYSE	DRQ	Tue, Sep 10, 2019	51.80	52.47	50.73	51.16
5504	NYSE	DRQ	Mon, Sep 9, 2019	48.48	51.78	48.35	51.58
5503	NYSE	DRQ	Fri, Sep 6, 2019	47.62	48.40	47.00	47.75
5502	NYSE	DRQ	Thu, Sep 5, 2019	46.10	48.67	46.10	48.05
5501	NYSE	DRQ	Wed, Sep 4, 2019	45.46	45.60	44.44	45.53
5500	NYSE	DRQ	Tue, Sep 3, 2019	45.07	45.38	43.64	44.53
5499	NYSE	DRQ	Fri, Aug 30, 2019	47.50	48.12	45.58	45.85
5498	NYSE	DRQ	Thu, Aug 29, 2019	46.79	48.02	46.53	47.20
5497	NYSE	DRQ	Wed, Aug 28, 2019	44.86	46.60	44.48	46.06
5496	NYSE	DRQ	Tue, Aug 27, 2019	45.50	45.50	44.05	44.65
5495	NYSE	DRQ	Mon, Aug 26, 2019	46.13	46.36	44.88	45.22
5494	NYSE	DRQ	Fri, Aug 23, 2019	46.86	47.95	45.47	45.63
5493	NYSE	DRQ	Thu, Aug 22, 2019	48.66	48.98	47.58	47.64
5492	NYSE	DRQ	Wed, Aug 21, 2019	49.32	49.32	48.08	48.20
5491	NYSE	DRQ	Tue, Aug 20, 2019	48.98	49.00	48.00	48.36
5490	NYSE	DRQ	Mon, Aug 19, 2019	48.37	49.71	48.20	49.15
5489	NYSE	DRQ	Fri, Aug 16, 2019	45.89	47.42	45.12	47.24
5488	NYSE	DRQ	Thu, Aug 15, 2019	46.13	46.13	44.99	45.62
5487	NYSE	DRQ	Wed, Aug 14, 2019	46.03	46.60	45.43	46.16
5486	NYSE	DRQ	Tue, Aug 13, 2019	48.60	49.43	47.50	47.58
5485	NYSE	DRQ	Mon, Aug 12, 2019	47.80	49.01	47.06	48.91
5484	NYSE	DRQ	Fri, Aug 9, 2019	48.76	49.27	47.02	47.46
5483	NYSE	DRQ	Thu, Aug 8, 2019	48.60	48.87	47.42	48.76
5482	NYSE	DRQ	Wed, Aug 7, 2019	47.23	48.31	46.05	47.88
5481	NYSE	DRQ	Tue, Aug 6, 2019	48.59	49.29	47.22	48.21
5480	NYSE	DRQ	Mon, Aug 5, 2019	47.93	48.25	46.82	47.68
5479	NYSE	DRQ	Fri, Aug 2, 2019	49.88	50.28	48.64	49.44
5478	NYSE	DRQ	Thu, Aug 1, 2019	51.86	52.26	49.18	49.96
5477	NYSE	DRQ	Wed, Jul 31, 2019	52.85	54.51	52.53	52.62
5476	NYSE	DRQ	Tue, Jul 30, 2019	48.91	52.58	48.63	52.51
5475	NYSE	DRQ	Mon, Jul 29, 2019	52.03	52.31	49.07	49.40
5474	NYSE	DRQ	Fri, Jul 26, 2019	49.31	52.40	49.31	52.05
5473	NYSE	DRQ	Thu, Jul 25, 2019	50.22	50.40	47.09	47.20
5472	NYSE	DRQ	Wed, Jul 24, 2019	49.52	50.28	48.96	50.15
5471	NYSE	DRQ	Tue, Jul 23, 2019	48.90	49.92	48.45	49.70
5470	NYSE	DRQ	Mon, Jul 22, 2019	47.62	49.26	47.54	48.54
5469	NYSE	DRQ	Fri, Jul 19, 2019	46.04	47.65	45.96	47.23
5468	NYSE	DRQ	Thu, Jul 18, 2019	45.13	46.24	45.00	46.21
5467	NYSE	DRQ	Wed, Jul 17, 2019	45.97	46.18	45.27	45.29
5466	NYSE	DRQ	Tue, Jul 16, 2019	45.88	46.99	45.31	46.02
5465	NYSE	DRQ	Mon, Jul 15, 2019	46.79	47.19	45.99	46.01
5464	NYSE	DRQ	Fri, Jul 12, 2019	46.63	46.86	44.96	46.55
5463	NYSE	DRQ	Thu, Jul 11, 2019	46.97	47.56	46.60	46.83
5462	NYSE	DRQ	Wed, Jul 10, 2019	46.00	46.67	45.47	46.54
5461	NYSE	DRQ	Tue, Jul 9, 2019	45.83	46.23	45.00	45.34
5460	NYSE	DRQ	Mon, Jul 8, 2019	46.09	46.95	45.80	46.18
5459	NYSE	DRQ	Fri, Jul 5, 2019	45.21	46.09	45.10	46.04
5458	NYSE	DRQ	Wed, Jul 3, 2019	45.58	45.74	44.79	45.66
5457	NYSE	DRQ	Tue, Jul 2, 2019	47.27	47.38	44.80	45.23
5456	NYSE	DRQ	Mon, Jul 1, 2019	48.67	49.40	47.23	47.38
5455	NYSE	DRQ	Fri, Jun 28, 2019	45.83	48.07	45.83	48.00
5454	NYSE	DRQ	Thu, Jun 27, 2019	45.52	45.81	44.75	45.60
5453	NYSE	DRQ	Wed, Jun 26, 2019	44.51	45.93	44.29	45.39
5452	NYSE	DRQ	Tue, Jun 25, 2019	43.82	44.51	43.38	43.82
5451	NYSE	DRQ	Mon, Jun 24, 2019	45.11	45.48	43.69	43.78
5450	NYSE	DRQ	Fri, Jun 21, 2019	44.61	45.24	43.85	45.11
5449	NYSE	DRQ	Thu, Jun 20, 2019	44.75	45.58	44.40	44.83
5448	NYSE	DRQ	Wed, Jun 19, 2019	43.34	43.89	42.69	43.67
5447	NYSE	DRQ	Tue, Jun 18, 2019	41.98	44.07	41.65	43.46
5446	NYSE	DRQ	Mon, Jun 17, 2019	40.06	41.91	40.02	41.66
5445	NYSE	DRQ	Fri, Jun 14, 2019	42.63	42.63	39.95	40.15
5444	NYSE	DRQ	Thu, Jun 13, 2019	41.67	42.77	41.49	42.49
5443	NYSE	DRQ	Wed, Jun 12, 2019	42.21	42.21	40.55	40.72
5442	NYSE	DRQ	Tue, Jun 11, 2019	42.54	43.08	42.25	42.60
5441	NYSE	DRQ	Mon, Jun 10, 2019	42.22	43.17	41.86	42.11
5440	NYSE	DRQ	Fri, Jun 7, 2019	41.28	42.38	40.91	41.92
5439	NYSE	DRQ	Thu, Jun 6, 2019	42.31	43.31	40.18	41.07
5438	NYSE	DRQ	Wed, Jun 5, 2019	42.99	43.10	41.48	42.30
5437	NYSE	DRQ	Tue, Jun 4, 2019	42.04	43.14	41.97	42.94
5436	NYSE	DRQ	Mon, Jun 3, 2019	41.43	41.65	40.03	41.43
5435	NYSE	DRQ	Fri, May 31, 2019	40.16	41.39	40.03	41.25
5434	NYSE	DRQ	Thu, May 30, 2019	41.48	42.36	40.75	40.98
5433	NYSE	DRQ	Wed, May 29, 2019	40.34	41.52	40.19	41.42
5432	NYSE	DRQ	Tue, May 28, 2019	41.51	41.78	40.71	41.20
5431	NYSE	DRQ	Fri, May 24, 2019	40.71	41.37	40.19	41.02
5430	NYSE	DRQ	Thu, May 23, 2019	41.58	42.00	39.73	40.27
5429	NYSE	DRQ	Wed, May 22, 2019	42.89	43.22	41.63	42.42
5428	NYSE	DRQ	Tue, May 21, 2019	42.63	43.85	42.49	43.32
5427	NYSE	DRQ	Mon, May 20, 2019	41.85	42.58	41.66	42.46
5426	NYSE	DRQ	Fri, May 17, 2019	42.80	43.11	41.74	41.86
5425	NYSE	DRQ	Thu, May 16, 2019	43.52	43.79	43.04	43.22
5424	NYSE	DRQ	Wed, May 15, 2019	41.47	43.48	41.47	43.22
5423	NYSE	DRQ	Tue, May 14, 2019	40.87	42.20	40.87	42.00
5422	NYSE	DRQ	Mon, May 13, 2019	40.81	41.31	39.55	40.32
5421	NYSE	DRQ	Fri, May 10, 2019	41.63	41.96	40.50	41.42
5420	NYSE	DRQ	Thu, May 9, 2019	41.19	42.22	40.54	41.84
5419	NYSE	DRQ	Wed, May 8, 2019	41.57	42.14	41.16	41.34
5418	NYSE	DRQ	Tue, May 7, 2019	41.83	42.80	41.18	41.63
5417	NYSE	DRQ	Mon, May 6, 2019	42.34	43.03	41.71	42.67
5416	NYSE	DRQ	Fri, May 3, 2019	43.12	43.60	42.78	43.04
5415	NYSE	DRQ	Thu, May 2, 2019	42.29	43.10	41.44	42.63
5414	NYSE	DRQ	Wed, May 1, 2019	43.79	44.87	42.62	42.72
5413	NYSE	DRQ	Tue, Apr 30, 2019	45.14	45.14	43.47	43.56
5412	NYSE	DRQ	Mon, Apr 29, 2019	44.01	45.13	43.70	44.69
5411	NYSE	DRQ	Fri, Apr 26, 2019	43.28	43.72	42.26	43.51
5410	NYSE	DRQ	Thu, Apr 25, 2019	44.43	44.91	43.48	43.61
5409	NYSE	DRQ	Wed, Apr 24, 2019	46.42	46.42	44.42	44.45
5408	NYSE	DRQ	Tue, Apr 23, 2019	46.32	47.09	45.41	46.45
5407	NYSE	DRQ	Mon, Apr 22, 2019	45.04	46.48	44.47	46.26
5406	NYSE	DRQ	Thu, Apr 18, 2019	44.81	45.27	44.39	44.48
5405	NYSE	DRQ	Wed, Apr 17, 2019	45.44	45.90	44.32	44.84
5404	NYSE	DRQ	Tue, Apr 16, 2019	45.40	45.63	44.46	44.99
5403	NYSE	DRQ	Mon, Apr 15, 2019	45.01	45.88	44.72	45.17
5402	NYSE	DRQ	Fri, Apr 12, 2019	47.69	48.57	45.29	45.30
5401	NYSE	DRQ	Thu, Apr 11, 2019	46.28	47.04	45.48	46.88
5400	NYSE	DRQ	Wed, Apr 10, 2019	45.94	46.45	45.65	46.10
5399	NYSE	DRQ	Tue, Apr 9, 2019	47.30	47.30	45.32	45.70
5398	NYSE	DRQ	Mon, Apr 8, 2019	47.19	47.73	46.70	47.49
5397	NYSE	DRQ	Fri, Apr 5, 2019	45.99	47.41	45.97	47.21
5396	NYSE	DRQ	Thu, Apr 4, 2019	45.96	46.11	44.25	45.67
5395	NYSE	DRQ	Wed, Apr 3, 2019	45.98	46.75	45.62	45.87
5394	NYSE	DRQ	Tue, Apr 2, 2019	46.30	46.73	45.04	45.65
5393	NYSE	DRQ	Mon, Apr 1, 2019	45.85	46.73	45.64	46.42
5392	NYSE	DRQ	Fri, Mar 29, 2019	46.60	46.81	45.16	45.85
5391	NYSE	DRQ	Thu, Mar 28, 2019	45.12	46.15	44.82	45.87
5390	NYSE	DRQ	Wed, Mar 27, 2019	46.24	46.75	45.06	45.42
5389	NYSE	DRQ	Tue, Mar 26, 2019	46.16	47.30	45.81	46.30
5388	NYSE	DRQ	Mon, Mar 25, 2019	43.79	45.28	43.31	45.14
5387	NYSE	DRQ	Fri, Mar 22, 2019	46.10	46.12	43.85	44.03
5386	NYSE	DRQ	Thu, Mar 21, 2019	45.77	47.02	45.41	46.96
5385	NYSE	DRQ	Wed, Mar 20, 2019	45.43	46.80	45.17	45.90
5384	NYSE	DRQ	Tue, Mar 19, 2019	46.00	46.00	44.94	45.46
5383	NYSE	DRQ	Mon, Mar 18, 2019	43.84	46.03	43.84	45.51
5382	NYSE	DRQ	Fri, Mar 15, 2019	43.25	44.36	43.10	43.77
5381	NYSE	DRQ	Thu, Mar 14, 2019	42.30	43.45	41.95	43.32
5380	NYSE	DRQ	Wed, Mar 13, 2019	41.78	42.49	41.44	42.36
5379	NYSE	DRQ	Tue, Mar 12, 2019	40.50	41.38	40.39	41.24
5378	NYSE	DRQ	Mon, Mar 11, 2019	39.57	40.45	39.37	40.18
5377	NYSE	DRQ	Fri, Mar 8, 2019	39.03	39.72	38.26	39.13
5376	NYSE	DRQ	Thu, Mar 7, 2019	40.78	40.78	39.85	39.90
5375	NYSE	DRQ	Wed, Mar 6, 2019	42.25	42.53	40.66	40.75
5374	NYSE	DRQ	Tue, Mar 5, 2019	41.73	42.68	41.47	42.43
5373	NYSE	DRQ	Mon, Mar 4, 2019	42.62	42.78	40.16	41.60
5372	NYSE	DRQ	Fri, Mar 1, 2019	42.85	43.41	42.13	42.37
5371	NYSE	DRQ	Thu, Feb 28, 2019	43.66	43.85	42.14	42.61
5370	NYSE	DRQ	Wed, Feb 27, 2019	38.85	44.06	38.80	43.35
5369	NYSE	DRQ	Tue, Feb 26, 2019	37.51	38.02	36.83	36.87
5368	NYSE	DRQ	Mon, Feb 25, 2019	37.20	38.14	37.20	37.51
5367	NYSE	DRQ	Fri, Feb 22, 2019	37.79	37.95	37.11	37.38
5366	NYSE	DRQ	Thu, Feb 21, 2019	38.61	38.61	36.92	37.34
5365	NYSE	DRQ	Wed, Feb 20, 2019	38.99	39.61	38.69	38.85
5364	NYSE	DRQ	Tue, Feb 19, 2019	38.74	39.44	38.44	38.84
5363	NYSE	DRQ	Fri, Feb 15, 2019	37.80	39.17	37.75	39.10
5362	NYSE	DRQ	Thu, Feb 14, 2019	37.28	37.69	36.99	37.32
5361	NYSE	DRQ	Wed, Feb 13, 2019	37.24	37.70	36.96	37.48
5360	NYSE	DRQ	Tue, Feb 12, 2019	37.17	37.63	36.85	37.15
5359	NYSE	DRQ	Mon, Feb 11, 2019	35.50	36.70	35.38	36.64
5358	NYSE	DRQ	Fri, Feb 8, 2019	35.49	35.79	34.99	35.79
5357	NYSE	DRQ	Thu, Feb 7, 2019	36.93	37.55	35.23	35.67
5356	NYSE	DRQ	Wed, Feb 6, 2019	37.00	37.49	36.69	37.25
5355	NYSE	DRQ	Tue, Feb 5, 2019	37.53	37.96	37.00	37.19
5354	NYSE	DRQ	Mon, Feb 4, 2019	37.50	37.80	37.01	37.61
5353	NYSE	DRQ	Fri, Feb 1, 2019	37.66	38.47	37.31	37.86
5352	NYSE	DRQ	Thu, Jan 31, 2019	37.75	38.36	37.11	37.44
5351	NYSE	DRQ	Wed, Jan 30, 2019	36.73	38.17	36.68	37.76
5350	NYSE	DRQ	Tue, Jan 29, 2019	36.65	36.79	36.03	36.06
5349	NYSE	DRQ	Mon, Jan 28, 2019	37.00	37.06	35.85	36.28
5348	NYSE	DRQ	Fri, Jan 25, 2019	37.12	38.04	37.07	37.66
5347	NYSE	DRQ	Thu, Jan 24, 2019	35.93	37.00	35.43	36.70
5346	NYSE	DRQ	Wed, Jan 23, 2019	38.07	38.07	35.86	35.92
5345	NYSE	DRQ	Tue, Jan 22, 2019	37.76	38.42	37.03	37.87
5344	NYSE	DRQ	Fri, Jan 18, 2019	37.48	38.41	36.96	38.31
5343	NYSE	DRQ	Thu, Jan 17, 2019	36.48	36.92	35.97	36.90
5342	NYSE	DRQ	Wed, Jan 16, 2019	37.35	38.00	36.80	37.01
5341	NYSE	DRQ	Tue, Jan 15, 2019	37.86	38.11	36.54	37.32
5340	NYSE	DRQ	Mon, Jan 14, 2019	37.26	37.98	36.75	37.59
5339	NYSE	DRQ	Fri, Jan 11, 2019	36.82	38.07	36.56	37.90
5338	NYSE	DRQ	Thu, Jan 10, 2019	35.99	37.33	35.73	37.24
5337	NYSE	DRQ	Wed, Jan 9, 2019	35.98	36.67	35.55	36.44
5336	NYSE	DRQ	Tue, Jan 8, 2019	36.11	36.47	35.20	35.48
5335	NYSE	DRQ	Mon, Jan 7, 2019	34.03	36.09	33.25	35.68
5334	NYSE	DRQ	Fri, Jan 4, 2019	31.90	34.06	31.66	33.94
5333	NYSE	DRQ	Thu, Jan 3, 2019	31.00	31.94	30.33	31.19
5332	NYSE	DRQ	Wed, Jan 2, 2019	29.47	31.23	29.24	30.93
5331	NYSE	DRQ	Mon, Dec 31, 2018	29.83	30.14	28.86	30.03
5330	NYSE	DRQ	Fri, Dec 28, 2018	29.66	30.28	29.27	29.62
5329	NYSE	DRQ	Thu, Dec 27, 2018	28.34	29.54	27.78	29.52
5328	NYSE	DRQ	Wed, Dec 26, 2018	27.08	29.02	26.62	28.99
5327	NYSE	DRQ	Mon, Dec 24, 2018	27.49	28.28	26.85	26.85
5326	NYSE	DRQ	Fri, Dec 21, 2018	28.24	28.95	27.46	27.76
5325	NYSE	DRQ	Thu, Dec 20, 2018	29.30	29.89	28.21	28.36
5324	NYSE	DRQ	Wed, Dec 19, 2018	31.35	31.65	29.37	29.61
5323	NYSE	DRQ	Tue, Dec 18, 2018	31.78	32.07	30.77	31.20
5322	NYSE	DRQ	Mon, Dec 17, 2018	31.75	32.72	31.37	31.59
5321	NYSE	DRQ	Fri, Dec 14, 2018	32.40	32.82	31.51	31.74
5320	NYSE	DRQ	Thu, Dec 13, 2018	33.46	33.75	32.23	32.64
5319	NYSE	DRQ	Wed, Dec 12, 2018	33.67	34.68	33.19	33.72
5318	NYSE	DRQ	Tue, Dec 11, 2018	34.00	34.14	31.96	33.05
5317	NYSE	DRQ	Mon, Dec 10, 2018	34.70	34.88	32.50	33.48
5316	NYSE	DRQ	Fri, Dec 7, 2018	36.16	36.94	34.71	34.88
5315	NYSE	DRQ	Thu, Dec 6, 2018	36.19	36.19	34.60	35.30
5314	NYSE	DRQ	Tue, Dec 4, 2018	40.13	40.13	36.40	36.82
5313	NYSE	DRQ	Mon, Dec 3, 2018	39.92	40.78	39.32	40.30
5312	NYSE	DRQ	Fri, Nov 30, 2018	39.73	40.05	38.89	39.26
5311	NYSE	DRQ	Thu, Nov 29, 2018	40.41	40.86	39.74	40.12
5310	NYSE	DRQ	Wed, Nov 28, 2018	39.47	40.62	38.67	40.47
5309	NYSE	DRQ	Tue, Nov 27, 2018	40.08	40.78	39.14	39.32
5308	NYSE	DRQ	Mon, Nov 26, 2018	39.75	40.64	39.61	40.21
5307	NYSE	DRQ	Fri, Nov 23, 2018	39.16	39.65	38.79	39.29
5306	NYSE	DRQ	Wed, Nov 21, 2018	40.91	41.21	40.40	40.62
5305	NYSE	DRQ	Tue, Nov 20, 2018	41.22	41.61	39.86	40.48
5304	NYSE	DRQ	Mon, Nov 19, 2018	41.57	42.56	41.47	42.00
5303	NYSE	DRQ	Fri, Nov 16, 2018	41.12	41.99	40.63	41.87
5302	NYSE	DRQ	Thu, Nov 15, 2018	39.79	41.33	39.76	41.13
5301	NYSE	DRQ	Wed, Nov 14, 2018	39.70	40.40	39.14	40.02
5300	NYSE	DRQ	Tue, Nov 13, 2018	40.39	40.80	38.89	38.89
5299	NYSE	DRQ	Mon, Nov 12, 2018	41.94	42.18	40.33	40.39
5298	NYSE	DRQ	Fri, Nov 9, 2018	41.32	42.28	40.53	41.82
5297	NYSE	DRQ	Thu, Nov 8, 2018	43.26	43.26	41.71	41.99
5296	NYSE	DRQ	Wed, Nov 7, 2018	43.86	44.49	42.33	43.61
5295	NYSE	DRQ	Tue, Nov 6, 2018	42.69	43.55	42.18	43.24
5294	NYSE	DRQ	Mon, Nov 5, 2018	43.12	43.44	42.20	42.70
5293	NYSE	DRQ	Fri, Nov 2, 2018	42.58	43.14	41.99	42.67
5292	NYSE	DRQ	Thu, Nov 1, 2018	43.00	43.22	41.42	42.26
5291	NYSE	DRQ	Wed, Oct 31, 2018	43.56	43.97	42.47	42.56
5290	NYSE	DRQ	Tue, Oct 30, 2018	41.60	43.17	40.90	43.15
5289	NYSE	DRQ	Mon, Oct 29, 2018	43.24	43.24	40.71	41.82
5288	NYSE	DRQ	Fri, Oct 26, 2018	41.34	44.64	40.10	43.09
5287	NYSE	DRQ	Thu, Oct 25, 2018	42.42	43.13	41.14	42.08
5286	NYSE	DRQ	Wed, Oct 24, 2018	43.65	43.77	41.53	41.73
5285	NYSE	DRQ	Tue, Oct 23, 2018	44.07	44.23	42.62	43.39
5284	NYSE	DRQ	Mon, Oct 22, 2018	45.67	46.24	45.12	45.44
5283	NYSE	DRQ	Fri, Oct 19, 2018	45.74	47.00	45.33	45.67
5282	NYSE	DRQ	Thu, Oct 18, 2018	46.47	46.56	45.57	45.66
5281	NYSE	DRQ	Wed, Oct 17, 2018	47.43	47.81	46.38	46.96
5280	NYSE	DRQ	Tue, Oct 16, 2018	46.95	47.92	46.51	47.74
5279	NYSE	DRQ	Mon, Oct 15, 2018	46.36	47.13	45.72	46.81
5278	NYSE	DRQ	Fri, Oct 12, 2018	46.82	46.84	45.05	46.32
5277	NYSE	DRQ	Thu, Oct 11, 2018	47.01	47.52	46.05	46.05
5276	NYSE	DRQ	Wed, Oct 10, 2018	50.54	50.99	47.47	47.58
5275	NYSE	DRQ	Tue, Oct 9, 2018	50.05	51.63	49.71	50.75
5274	NYSE	DRQ	Mon, Oct 8, 2018	50.05	50.20	48.98	49.92
5273	NYSE	DRQ	Fri, Oct 5, 2018	51.41	51.44	49.48	50.72
5272	NYSE	DRQ	Thu, Oct 4, 2018	52.16	53.60	51.18	51.44
5271	NYSE	DRQ	Wed, Oct 3, 2018	51.64	53.30	51.53	52.32
5270	NYSE	DRQ	Tue, Oct 2, 2018	51.54	52.27	51.11	51.54
5269	NYSE	DRQ	Mon, Oct 1, 2018	52.35	52.60	50.99	51.49
5268	NYSE	DRQ	Fri, Sep 28, 2018	51.70	53.05	51.60	52.25
5267	NYSE	DRQ	Thu, Sep 27, 2018	52.35	52.50	51.40	51.90
5266	NYSE	DRQ	Wed, Sep 26, 2018	52.65	53.25	52.00	52.25
5265	NYSE	DRQ	Tue, Sep 25, 2018	51.95	53.35	51.95	52.80
5264	NYSE	DRQ	Mon, Sep 24, 2018	50.85	51.90	50.75	51.70
5263	NYSE	DRQ	Fri, Sep 21, 2018	49.55	50.90	49.35	50.40
5262	NYSE	DRQ	Thu, Sep 20, 2018	50.15	50.45	49.00	49.40
5261	NYSE	DRQ	Wed, Sep 19, 2018	48.73	49.95	48.73	49.65
5260	NYSE	DRQ	Tue, Sep 18, 2018	49.50	50.30	49.40	49.80
5259	NYSE	DRQ	Mon, Sep 17, 2018	49.50	50.04	48.95	49.05
5258	NYSE	DRQ	Fri, Sep 14, 2018	49.25	49.90	48.90	49.50
5257	NYSE	DRQ	Thu, Sep 13, 2018	49.80	49.93	49.30	49.35
5256	NYSE	DRQ	Wed, Sep 12, 2018	49.45	50.05	49.00	49.80
5255	NYSE	DRQ	Tue, Sep 11, 2018	48.45	49.30	48.45	49.10
5254	NYSE	DRQ	Mon, Sep 10, 2018	49.35	49.75	48.55	48.60
5253	NYSE	DRQ	Fri, Sep 7, 2018	49.15	49.85	48.50	49.15
5252	NYSE	DRQ	Thu, Sep 6, 2018	50.80	51.05	49.10	49.50
5251	NYSE	DRQ	Wed, Sep 5, 2018	52.55	52.70	50.60	50.90
5250	NYSE	DRQ	Tue, Sep 4, 2018	52.80	53.00	51.50	52.90
5249	NYSE	DRQ	Fri, Aug 31, 2018	52.80	52.85	51.90	52.65
5248	NYSE	DRQ	Thu, Aug 30, 2018	52.95	53.31	52.25	52.95
5247	NYSE	DRQ	Wed, Aug 29, 2018	52.95	53.30	52.45	52.95
5246	NYSE	DRQ	Tue, Aug 28, 2018	52.50	53.30	52.30	52.65
5245	NYSE	DRQ	Mon, Aug 27, 2018	52.15	53.05	51.70	52.35
5244	NYSE	DRQ	Fri, Aug 24, 2018	52.25	52.70	51.45	51.85
5243	NYSE	DRQ	Thu, Aug 23, 2018	52.10	52.35	51.45	51.85
5242	NYSE	DRQ	Wed, Aug 22, 2018	51.95	52.55	51.54	52.15
5241	NYSE	DRQ	Tue, Aug 21, 2018	51.15	52.55	51.05	51.70
5240	NYSE	DRQ	Mon, Aug 20, 2018	50.00	50.75	49.90	50.65
5239	NYSE	DRQ	Fri, Aug 17, 2018	50.25	51.00	49.45	49.75
5238	NYSE	DRQ	Thu, Aug 16, 2018	50.05	50.80	49.75	50.30
5237	NYSE	DRQ	Wed, Aug 15, 2018	50.20	50.45	48.30	49.75
5236	NYSE	DRQ	Tue, Aug 14, 2018	51.20	51.50	50.55	50.70
5235	NYSE	DRQ	Mon, Aug 13, 2018	51.55	51.55	50.05	50.75
5234	NYSE	DRQ	Fri, Aug 10, 2018	51.20	52.00	51.15	51.60
5233	NYSE	DRQ	Thu, Aug 9, 2018	51.90	52.65	51.25	51.35
5232	NYSE	DRQ	Wed, Aug 8, 2018	51.30	52.00	50.65	51.75
5231	NYSE	DRQ	Tue, Aug 7, 2018	51.80	52.80	51.45	51.60
5230	NYSE	DRQ	Mon, Aug 6, 2018	50.20	51.75	50.20	51.35
5229	NYSE	DRQ	Fri, Aug 3, 2018	51.00	51.70	49.95	50.10
5228	NYSE	DRQ	Thu, Aug 2, 2018	50.15	51.85	50.15	51.10
5227	NYSE	DRQ	Wed, Aug 1, 2018	51.00	51.25	49.75	50.70
5226	NYSE	DRQ	Tue, Jul 31, 2018	51.65	53.70	49.90	51.55
5225	NYSE	DRQ	Mon, Jul 30, 2018	52.05	54.15	52.05	52.90
5224	NYSE	DRQ	Fri, Jul 27, 2018	55.05	55.05	50.55	52.20
5223	NYSE	DRQ	Thu, Jul 26, 2018	56.15	56.90	55.70	56.25
5222	NYSE	DRQ	Wed, Jul 25, 2018	56.80	57.05	55.75	56.00
5221	NYSE	DRQ	Tue, Jul 24, 2018	56.70	57.10	56.35	56.90
5220	NYSE	DRQ	Mon, Jul 23, 2018	56.60	56.75	55.45	56.30
5219	NYSE	DRQ	Fri, Jul 20, 2018	56.40	56.68	55.30	56.50
5218	NYSE	DRQ	Thu, Jul 19, 2018	56.70	57.25	55.90	56.80
5217	NYSE	DRQ	Wed, Jul 18, 2018	57.95	58.95	56.95	57.10
5216	NYSE	DRQ	Tue, Jul 17, 2018	57.20	58.30	56.90	58.25
5215	NYSE	DRQ	Mon, Jul 16, 2018	56.30	57.65	55.89	57.55
5214	NYSE	DRQ	Fri, Jul 13, 2018	53.75	57.10	53.38	56.65
5213	NYSE	DRQ	Thu, Jul 12, 2018	53.20	53.45	52.15	53.25
5212	NYSE	DRQ	Wed, Jul 11, 2018	53.80	55.05	52.70	52.95
5211	NYSE	DRQ	Tue, Jul 10, 2018	53.90	55.10	53.90	54.40
5210	NYSE	DRQ	Mon, Jul 9, 2018	53.20	55.20	53.15	53.75
5209	NYSE	DRQ	Fri, Jul 6, 2018	51.50	53.20	51.35	52.75
5208	NYSE	DRQ	Thu, Jul 5, 2018	51.30	52.00	50.60	51.75
5207	NYSE	DRQ	Tue, Jul 3, 2018	51.00	51.78	50.40	50.80
5206	NYSE	DRQ	Mon, Jul 2, 2018	51.10	51.10	49.95	50.25
5205	NYSE	DRQ	Fri, Jun 29, 2018	51.40	52.20	50.80	51.40
5204	NYSE	DRQ	Thu, Jun 28, 2018	50.70	51.65	49.85	51.40
5203	NYSE	DRQ	Wed, Jun 27, 2018	50.90	52.05	50.15	50.65
5202	NYSE	DRQ	Tue, Jun 26, 2018	49.00	50.80	48.55	50.45
5201	NYSE	DRQ	Mon, Jun 25, 2018	51.25	51.50	48.85	48.95
5200	NYSE	DRQ	Fri, Jun 22, 2018	52.30	52.50	50.90	51.35
5199	NYSE	DRQ	Thu, Jun 21, 2018	50.70	51.20	50.10	50.30
5198	NYSE	DRQ	Wed, Jun 20, 2018	50.90	51.40	50.25	50.75
5197	NYSE	DRQ	Tue, Jun 19, 2018	50.15	51.15	49.90	50.50
5196	NYSE	DRQ	Mon, Jun 18, 2018	48.40	50.90	48.30	50.65
5195	NYSE	DRQ	Fri, Jun 15, 2018	48.15	49.00	46.85	48.50
5194	NYSE	DRQ	Thu, Jun 14, 2018	49.00	49.00	48.10	48.55
5193	NYSE	DRQ	Wed, Jun 13, 2018	48.35	49.20	47.90	48.60
5192	NYSE	DRQ	Tue, Jun 12, 2018	48.50	48.90	47.65	48.45
5191	NYSE	DRQ	Mon, Jun 11, 2018	48.50	49.00	48.25	48.45
5190	NYSE	DRQ	Fri, Jun 8, 2018	49.60	50.05	48.10	48.75
5189	NYSE	DRQ	Thu, Jun 7, 2018	48.95	50.20	48.80	49.65
5188	NYSE	DRQ	Wed, Jun 6, 2018	48.25	48.80	47.85	48.75
5187	NYSE	DRQ	Tue, Jun 5, 2018	47.70	48.45	47.35	48.20
5186	NYSE	DRQ	Mon, Jun 4, 2018	48.30	49.20	47.70	47.95
5185	NYSE	DRQ	Fri, Jun 1, 2018	48.35	49.30	47.45	48.10
5184	NYSE	DRQ	Thu, May 31, 2018	47.45	48.25	47.15	48.05
5183	NYSE	DRQ	Wed, May 30, 2018	47.15	48.25	47.15	47.80
5182	NYSE	DRQ	Tue, May 29, 2018	45.25	46.95	45.25	46.70
5181	NYSE	DRQ	Fri, May 25, 2018	45.15	45.90	43.95	45.65
5180	NYSE	DRQ	Thu, May 24, 2018	46.80	47.15	45.95	46.10
5179	NYSE	DRQ	Wed, May 23, 2018	47.70	47.95	46.85	47.35
5178	NYSE	DRQ	Tue, May 22, 2018	48.65	49.33	47.66	47.95
5177	NYSE	DRQ	Mon, May 21, 2018	48.90	49.00	48.20	48.60
5176	NYSE	DRQ	Fri, May 18, 2018	48.60	48.80	48.10	48.70
5175	NYSE	DRQ	Thu, May 17, 2018	46.60	49.03	46.35	48.50
5174	NYSE	DRQ	Wed, May 16, 2018	46.00	46.65	45.60	46.45
5173	NYSE	DRQ	Tue, May 15, 2018	44.85	45.90	44.85	45.80
5172	NYSE	DRQ	Mon, May 14, 2018	45.25	45.80	44.75	44.85
5171	NYSE	DRQ	Fri, May 11, 2018	45.05	45.30	44.75	45.10
5170	NYSE	DRQ	Thu, May 10, 2018	44.40	45.20	44.15	44.90
5169	NYSE	DRQ	Wed, May 9, 2018	44.80	45.35	44.50	44.95
5168	NYSE	DRQ	Tue, May 8, 2018	43.50	44.40	43.00	44.35
5167	NYSE	DRQ	Mon, May 7, 2018	43.00	44.60	43.00	43.50
5166	NYSE	DRQ	Fri, May 4, 2018	41.30	43.05	41.30	42.80
5165	NYSE	DRQ	Thu, May 3, 2018	42.00	42.25	40.95	41.55
5164	NYSE	DRQ	Wed, May 2, 2018	41.55	43.05	41.55	42.20
5163	NYSE	DRQ	Tue, May 1, 2018	41.45	41.85	40.65	41.70
5162	NYSE	DRQ	Mon, Apr 30, 2018	40.90	42.10	40.90	41.45
5161	NYSE	DRQ	Fri, Apr 27, 2018	40.70	41.88	38.40	41.20
5160	NYSE	DRQ	Thu, Apr 26, 2018	44.50	44.70	44.03	44.30
5159	NYSE	DRQ	Wed, Apr 25, 2018	44.65	44.70	43.60	44.00
5158	NYSE	DRQ	Tue, Apr 24, 2018	45.25	45.25	44.15	44.50
5157	NYSE	DRQ	Mon, Apr 23, 2018	44.55	45.25	44.05	44.95
5156	NYSE	DRQ	Fri, Apr 20, 2018	45.00	45.00	44.20	44.55
5155	NYSE	DRQ	Thu, Apr 19, 2018	45.90	45.95	44.85	45.10
5154	NYSE	DRQ	Wed, Apr 18, 2018	45.40	46.75	45.30	45.65
5153	NYSE	DRQ	Tue, Apr 17, 2018	45.75	45.90	44.25	44.70
5152	NYSE	DRQ	Mon, Apr 16, 2018	46.95	47.10	45.58	45.75
5151	NYSE	DRQ	Fri, Apr 13, 2018	47.80	47.95	46.65	46.90
5150	NYSE	DRQ	Thu, Apr 12, 2018	47.45	48.20	46.55	47.75
5149	NYSE	DRQ	Wed, Apr 11, 2018	45.25	47.30	45.25	47.20
5148	NYSE	DRQ	Tue, Apr 10, 2018	44.45	46.08	44.30	45.65
5147	NYSE	DRQ	Mon, Apr 9, 2018	44.30	44.70	43.50	43.60
5146	NYSE	DRQ	Fri, Apr 6, 2018	45.00	45.40	43.40	44.05
5145	NYSE	DRQ	Thu, Apr 5, 2018	44.55	45.90	44.55	45.40
5144	NYSE	DRQ	Wed, Apr 4, 2018	43.90	44.55	43.00	44.30
5143	NYSE	DRQ	Tue, Apr 3, 2018	43.40	45.05	42.81	44.60
5142	NYSE	DRQ	Mon, Apr 2, 2018	44.50	44.70	42.55	43.20
5141	NYSE	DRQ	Thu, Mar 29, 2018	43.90	45.00	43.60	44.80
5140	NYSE	DRQ	Wed, Mar 28, 2018	44.50	44.60	43.30	43.55
5139	NYSE	DRQ	Tue, Mar 27, 2018	46.55	46.55	44.10	44.55
5138	NYSE	DRQ	Mon, Mar 26, 2018	46.25	46.40	44.60	46.35
5137	NYSE	DRQ	Fri, Mar 23, 2018	47.40	47.40	45.55	45.55
5136	NYSE	DRQ	Thu, Mar 22, 2018	47.85	48.75	47.05	47.15
5135	NYSE	DRQ	Wed, Mar 21, 2018	46.50	48.85	46.25	48.55
5134	NYSE	DRQ	Tue, Mar 20, 2018	45.95	46.70	45.65	46.35
5133	NYSE	DRQ	Mon, Mar 19, 2018	47.00	47.15	45.15	45.70
5132	NYSE	DRQ	Fri, Mar 16, 2018	45.60	47.60	45.60	47.20
5131	NYSE	DRQ	Thu, Mar 15, 2018	46.30	46.30	45.15	45.60
5130	NYSE	DRQ	Wed, Mar 14, 2018	45.75	46.70	45.15	46.15
5129	NYSE	DRQ	Tue, Mar 13, 2018	46.45	46.65	45.20	45.60
5128	NYSE	DRQ	Mon, Mar 12, 2018	46.95	47.25	46.15	46.50
5127	NYSE	DRQ	Fri, Mar 9, 2018	47.00	47.50	46.65	46.85
5126	NYSE	DRQ	Thu, Mar 8, 2018	46.30	47.55	46.05	46.50
5125	NYSE	DRQ	Wed, Mar 7, 2018	45.75	46.55	45.25	46.25
5124	NYSE	DRQ	Tue, Mar 6, 2018	45.90	46.65	45.20	46.25
5123	NYSE	DRQ	Mon, Mar 5, 2018	44.00	46.10	44.00	45.75
5122	NYSE	DRQ	Fri, Mar 2, 2018	43.75	44.50	42.50	44.20
5121	NYSE	DRQ	Thu, Mar 1, 2018	44.65	45.85	44.45	44.45
5120	NYSE	DRQ	Wed, Feb 28, 2018	46.65	46.75	45.03	45.05
5119	NYSE	DRQ	Tue, Feb 27, 2018	47.00	47.70	46.05	46.15
5118	NYSE	DRQ	Mon, Feb 26, 2018	47.15	47.48	46.15	47.00
5117	NYSE	DRQ	Fri, Feb 23, 2018	45.95	46.85	45.40	46.80
5116	NYSE	DRQ	Thu, Feb 22, 2018	47.40	47.50	45.20	45.55
5115	NYSE	DRQ	Wed, Feb 21, 2018	46.90	47.85	46.40	46.45
5114	NYSE	DRQ	Tue, Feb 20, 2018	47.35	47.80	46.70	47.10
5113	NYSE	DRQ	Fri, Feb 16, 2018	46.15	47.35	46.10	47.30
5112	NYSE	DRQ	Thu, Feb 15, 2018	46.65	46.65	45.00	46.50
5111	NYSE	DRQ	Wed, Feb 14, 2018	44.60	46.75	44.55	46.50
5110	NYSE	DRQ	Tue, Feb 13, 2018	45.10	45.50	44.30	45.20
5109	NYSE	DRQ	Mon, Feb 12, 2018	45.50	46.05	44.85	45.55
5108	NYSE	DRQ	Fri, Feb 9, 2018	45.70	45.70	43.60	44.95
5107	NYSE	DRQ	Thu, Feb 8, 2018	46.95	47.15	45.05	45.10
5106	NYSE	DRQ	Wed, Feb 7, 2018	48.25	48.80	46.75	46.80
5105	NYSE	DRQ	Tue, Feb 6, 2018	46.40	48.70	46.30	48.35
5104	NYSE	DRQ	Mon, Feb 5, 2018	49.40	50.45	47.40	47.55
5103	NYSE	DRQ	Fri, Feb 2, 2018	51.40	51.40	49.90	50.00
5102	NYSE	DRQ	Thu, Feb 1, 2018	51.45	52.55	51.35	52.05
5101	NYSE	DRQ	Wed, Jan 31, 2018	52.15	52.35	51.33	51.65
5100	NYSE	DRQ	Tue, Jan 30, 2018	51.95	52.45	51.20	52.20
5099	NYSE	DRQ	Mon, Jan 29, 2018	53.55	54.20	52.35	52.55
5098	NYSE	DRQ	Fri, Jan 26, 2018	54.40	54.75	53.80	54.00
5097	NYSE	DRQ	Thu, Jan 25, 2018	55.40	55.40	53.70	54.20
5096	NYSE	DRQ	Wed, Jan 24, 2018	55.45	55.60	54.40	54.85
5095	NYSE	DRQ	Tue, Jan 23, 2018	55.20	55.58	54.20	55.40
5094	NYSE	DRQ	Mon, Jan 22, 2018	54.60	55.40	54.10	55.30
5093	NYSE	DRQ	Fri, Jan 19, 2018	53.50	54.37	53.13	54.35
5092	NYSE	DRQ	Thu, Jan 18, 2018	55.25	55.30	53.85	53.95
5091	NYSE	DRQ	Wed, Jan 17, 2018	55.70	56.30	54.50	55.45
5090	NYSE	DRQ	Tue, Jan 16, 2018	56.40	56.55	55.20	55.25
5089	NYSE	DRQ	Fri, Jan 12, 2018	55.55	56.40	55.40	56.35
5088	NYSE	DRQ	Thu, Jan 11, 2018	54.50	56.05	54.00	55.65
5087	NYSE	DRQ	Wed, Jan 10, 2018	53.80	54.95	53.70	54.20
5086	NYSE	DRQ	Tue, Jan 9, 2018	54.15	54.55	52.80	53.70
5085	NYSE	DRQ	Mon, Jan 8, 2018	52.70	54.35	52.00	54.20
5084	NYSE	DRQ	Fri, Jan 5, 2018	52.35	53.15	51.35	52.95
5083	NYSE	DRQ	Thu, Jan 4, 2018	51.10	52.70	50.55	52.35
5082	NYSE	DRQ	Wed, Jan 3, 2018	49.60	51.00	48.85	50.75
5081	NYSE	DRQ	Tue, Jan 2, 2018	47.85	49.65	47.10	49.45
5080	NYSE	DRQ	Fri, Dec 29, 2017	47.75	48.20	46.85	47.70
5079	NYSE	DRQ	Thu, Dec 28, 2017	47.80	48.35	47.40	47.80
5078	NYSE	DRQ	Wed, Dec 27, 2017	48.10	48.15	47.30	47.75
5077	NYSE	DRQ	Tue, Dec 26, 2017	47.70	48.40	47.30	48.25
5076	NYSE	DRQ	Fri, Dec 22, 2017	47.85	48.05	47.15	47.30
5075	NYSE	DRQ	Thu, Dec 21, 2017	47.45	48.60	47.30	47.85
5074	NYSE	DRQ	Wed, Dec 20, 2017	46.85	48.00	46.50	47.75
5073	NYSE	DRQ	Tue, Dec 19, 2017	46.15	46.85	46.10	46.70
5072	NYSE	DRQ	Mon, Dec 18, 2017	44.80	46.65	44.80	46.10
5071	NYSE	DRQ	Fri, Dec 15, 2017	45.55	45.90	44.35	44.45
5070	NYSE	DRQ	Thu, Dec 14, 2017	45.05	45.70	44.90	45.25
5069	NYSE	DRQ	Wed, Dec 13, 2017	45.70	46.25	45.30	45.45
5068	NYSE	DRQ	Tue, Dec 12, 2017	45.60	45.85	45.00	45.60
5067	NYSE	DRQ	Mon, Dec 11, 2017	44.95	45.85	44.85	45.25
5066	NYSE	DRQ	Fri, Dec 8, 2017	45.10	45.55	44.70	45.00
5065	NYSE	DRQ	Thu, Dec 7, 2017	44.05	44.80	43.85	44.75
5064	NYSE	DRQ	Wed, Dec 6, 2017	45.75	45.80	43.85	44.75
5063	NYSE	DRQ	Tue, Dec 5, 2017	48.75	48.78	46.00	46.05
5062	NYSE	DRQ	Mon, Dec 4, 2017	49.25	50.40	48.70	48.75
5061	NYSE	DRQ	Fri, Dec 1, 2017	48.40	49.65	47.90	48.95
5060	NYSE	DRQ	Thu, Nov 30, 2017	47.25	49.04	47.05	47.95
5059	NYSE	DRQ	Wed, Nov 29, 2017	46.35	47.25	45.60	47.00
5058	NYSE	DRQ	Tue, Nov 28, 2017	45.45	46.50	45.25	46.40
5057	NYSE	DRQ	Mon, Nov 27, 2017	45.45	46.15	45.15	45.55
5056	NYSE	DRQ	Fri, Nov 24, 2017	45.75	46.05	45.45	45.60
5055	NYSE	DRQ	Wed, Nov 22, 2017	45.20	45.66	45.00	45.45
5054	NYSE	DRQ	Tue, Nov 21, 2017	45.10	45.60	44.43	44.85
5053	NYSE	DRQ	Mon, Nov 20, 2017	44.60	44.85	44.35	44.80
5052	NYSE	DRQ	Fri, Nov 17, 2017	44.55	45.30	44.40	44.80
5051	NYSE	DRQ	Thu, Nov 16, 2017	44.35	45.30	43.70	44.50
5050	NYSE	DRQ	Wed, Nov 15, 2017	44.30	44.85	43.50	44.35
5049	NYSE	DRQ	Tue, Nov 14, 2017	45.75	45.90	44.63	44.75
5048	NYSE	DRQ	Mon, Nov 13, 2017	45.95	46.28	45.60	45.80
5047	NYSE	DRQ	Fri, Nov 10, 2017	46.05	46.65	45.45	46.25
5046	NYSE	DRQ	Thu, Nov 9, 2017	45.55	46.55	45.50	46.20
5045	NYSE	DRQ	Wed, Nov 8, 2017	45.60	46.43	45.10	45.85
5044	NYSE	DRQ	Tue, Nov 7, 2017	46.80	47.10	45.88	46.05
5043	NYSE	DRQ	Mon, Nov 6, 2017	44.10	47.20	44.10	46.95
5042	NYSE	DRQ	Fri, Nov 3, 2017	43.65	44.65	43.60	44.15
5041	NYSE	DRQ	Thu, Nov 2, 2017	42.75	44.05	42.75	43.85
5040	NYSE	DRQ	Wed, Nov 1, 2017	42.65	43.60	42.45	43.00
5039	NYSE	DRQ	Tue, Oct 31, 2017	41.75	43.25	41.25	42.10
5038	NYSE	DRQ	Mon, Oct 30, 2017	41.50	41.90	40.85	41.50
5037	NYSE	DRQ	Fri, Oct 27, 2017	39.75	42.80	39.50	41.50
5036	NYSE	DRQ	Thu, Oct 26, 2017	40.00	40.00	37.35	39.00
5035	NYSE	DRQ	Wed, Oct 25, 2017	40.90	41.05	40.00	40.05
5034	NYSE	DRQ	Tue, Oct 24, 2017	40.40	41.45	40.40	41.00
5033	NYSE	DRQ	Mon, Oct 23, 2017	40.30	40.65	40.00	40.30
5032	NYSE	DRQ	Fri, Oct 20, 2017	40.50	40.55	39.80	40.30
5031	NYSE	DRQ	Thu, Oct 19, 2017	40.50	41.05	40.23	40.30
5030	NYSE	DRQ	Wed, Oct 18, 2017	42.45	42.80	41.05	41.15
5029	NYSE	DRQ	Tue, Oct 17, 2017	43.05	43.35	42.10	42.35
5028	NYSE	DRQ	Mon, Oct 16, 2017	43.35	43.70	43.05	43.15
5027	NYSE	DRQ	Fri, Oct 13, 2017	43.15	43.75	43.00	43.05
5026	NYSE	DRQ	Thu, Oct 12, 2017	43.00	43.16	42.52	42.80
5025	NYSE	DRQ	Wed, Oct 11, 2017	43.80	43.85	42.70	43.30
5024	NYSE	DRQ	Tue, Oct 10, 2017	44.60	44.60	43.38	43.70
5023	NYSE	DRQ	Mon, Oct 9, 2017	43.75	44.15	43.03	43.05
5022	NYSE	DRQ	Fri, Oct 6, 2017	43.80	44.25	42.95	43.80
5021	NYSE	DRQ	Thu, Oct 5, 2017	44.05	44.35	43.80	44.25
5020	NYSE	DRQ	Wed, Oct 4, 2017	43.80	44.40	43.55	43.85
5019	NYSE	DRQ	Tue, Oct 3, 2017	43.95	44.30	43.48	43.75
5018	NYSE	DRQ	Mon, Oct 2, 2017	43.55	44.53	43.30	44.05
5017	NYSE	DRQ	Fri, Sep 29, 2017	44.55	44.55	43.90	44.15
5016	NYSE	DRQ	Thu, Sep 28, 2017	44.80	45.10	44.20	44.50
5015	NYSE	DRQ	Wed, Sep 27, 2017	44.60	44.70	43.70	44.65
5014	NYSE	DRQ	Tue, Sep 26, 2017	43.45	44.55	43.30	44.35
5013	NYSE	DRQ	Mon, Sep 25, 2017	43.35	44.10	43.35	43.50
5012	NYSE	DRQ	Fri, Sep 22, 2017	42.80	43.55	42.30	43.00
5011	NYSE	DRQ	Thu, Sep 21, 2017	43.35	43.50	42.75	42.95
5010	NYSE	DRQ	Wed, Sep 20, 2017	43.30	43.85	43.11	43.45
5009	NYSE	DRQ	Tue, Sep 19, 2017	43.60	43.95	42.95	43.10
5008	NYSE	DRQ	Mon, Sep 18, 2017	43.05	44.30	43.05	43.60
5007	NYSE	DRQ	Fri, Sep 15, 2017	43.40	43.50	42.85	43.35
5006	NYSE	DRQ	Thu, Sep 14, 2017	43.85	44.40	42.85	43.25
5005	NYSE	DRQ	Wed, Sep 13, 2017	42.00	43.98	41.95	43.60
5004	NYSE	DRQ	Tue, Sep 12, 2017	41.05	42.30	40.95	42.05
5003	NYSE	DRQ	Mon, Sep 11, 2017	40.30	41.20	40.00	40.96
5002	NYSE	DRQ	Fri, Sep 8, 2017	40.25	40.70	39.70	40.30
5001	NYSE	DRQ	Thu, Sep 7, 2017	40.25	40.90	40.05	40.45
5000	NYSE	DRQ	Wed, Sep 6, 2017	39.55	40.50	39.37	40.30
4999	NYSE	DRQ	Tue, Sep 5, 2017	38.20	39.30	38.05	39.25
4998	NYSE	DRQ	Fri, Sep 1, 2017	37.70	38.10	37.20	37.85
4997	NYSE	DRQ	Thu, Aug 31, 2017	37.55	37.85	37.25	37.55
4996	NYSE	DRQ	Wed, Aug 30, 2017	36.70	37.40	36.45	37.30
4995	NYSE	DRQ	Tue, Aug 29, 2017	36.75	37.15	36.30	36.90
4994	NYSE	DRQ	Mon, Aug 28, 2017	36.95	37.10	36.20	36.90
4993	NYSE	DRQ	Fri, Aug 25, 2017	36.50	37.20	36.30	36.90
4992	NYSE	DRQ	Thu, Aug 24, 2017	36.35	36.50	35.85	36.20
4991	NYSE	DRQ	Wed, Aug 23, 2017	36.80	37.00	36.35	36.40
4990	NYSE	DRQ	Tue, Aug 22, 2017	37.00	37.30	36.85	36.90
4989	NYSE	DRQ	Mon, Aug 21, 2017	37.35	37.35	36.50	36.75
4988	NYSE	DRQ	Fri, Aug 18, 2017	36.95	37.90	36.75	37.50
4987	NYSE	DRQ	Thu, Aug 17, 2017	37.95	38.30	37.15	37.25
4986	NYSE	DRQ	Wed, Aug 16, 2017	39.80	39.90	38.05	38.15
4985	NYSE	DRQ	Tue, Aug 15, 2017	39.80	39.85	38.70	39.70
4984	NYSE	DRQ	Mon, Aug 14, 2017	40.25	40.50	39.75	39.95
4983	NYSE	DRQ	Fri, Aug 11, 2017	40.55	41.30	40.10	40.15
4982	NYSE	DRQ	Thu, Aug 10, 2017	41.60	41.90	40.70	40.95
4981	NYSE	DRQ	Wed, Aug 9, 2017	41.95	41.95	40.75	41.40
4980	NYSE	DRQ	Tue, Aug 8, 2017	42.40	42.80	41.43	41.95
4979	NYSE	DRQ	Mon, Aug 7, 2017	42.55	43.00	42.00	42.50
4978	NYSE	DRQ	Fri, Aug 4, 2017	42.70	43.18	42.35	42.60
4977	NYSE	DRQ	Thu, Aug 3, 2017	43.30	44.00	42.60	42.60
4976	NYSE	DRQ	Wed, Aug 2, 2017	43.45	43.90	42.60	43.40
4975	NYSE	DRQ	Tue, Aug 1, 2017	44.45	44.60	43.50	43.95
4974	NYSE	DRQ	Mon, Jul 31, 2017	45.15	45.20	42.60	44.60
4973	NYSE	DRQ	Fri, Jul 28, 2017	48.60	49.70	45.35	45.40
4972	NYSE	DRQ	Thu, Jul 27, 2017	50.45	51.60	49.45	51.40
4971	NYSE	DRQ	Wed, Jul 26, 2017	50.80	50.95	49.80	50.50
4970	NYSE	DRQ	Tue, Jul 25, 2017	49.10	50.93	49.10	50.40
4969	NYSE	DRQ	Mon, Jul 24, 2017	49.50	49.75	48.65	49.10
4968	NYSE	DRQ	Fri, Jul 21, 2017	51.35	51.60	49.05	49.15
4967	NYSE	DRQ	Thu, Jul 20, 2017	52.35	52.53	51.05	51.30
4966	NYSE	DRQ	Wed, Jul 19, 2017	50.45	52.15	50.35	52.05
4965	NYSE	DRQ	Tue, Jul 18, 2017	50.95	51.20	49.95	50.50
4964	NYSE	DRQ	Mon, Jul 17, 2017	50.45	51.45	50.45	50.80
4963	NYSE	DRQ	Fri, Jul 14, 2017	49.90	51.00	49.80	50.70
4962	NYSE	DRQ	Thu, Jul 13, 2017	49.25	49.85	48.45	49.80
4961	NYSE	DRQ	Wed, Jul 12, 2017	50.55	50.95	48.85	49.25
4960	NYSE	DRQ	Tue, Jul 11, 2017	49.25	50.00	48.50	49.80
4959	NYSE	DRQ	Mon, Jul 10, 2017	47.40	49.60	47.15	49.20
4958	NYSE	DRQ	Fri, Jul 7, 2017	47.40	47.75	46.60	47.65
4957	NYSE	DRQ	Thu, Jul 6, 2017	48.70	49.05	47.35	47.40
4956	NYSE	DRQ	Wed, Jul 5, 2017	50.75	50.75	48.30	48.60
4955	NYSE	DRQ	Mon, Jul 3, 2017	49.10	51.30	49.10	50.95
4954	NYSE	DRQ	Fri, Jun 30, 2017	49.25	49.60	48.55	48.80
4953	NYSE	DRQ	Thu, Jun 29, 2017	48.45	49.45	48.35	49.05
4952	NYSE	DRQ	Wed, Jun 28, 2017	49.05	49.45	48.15	48.35
4951	NYSE	DRQ	Tue, Jun 27, 2017	49.50	50.70	48.90	49.05
4950	NYSE	DRQ	Mon, Jun 26, 2017	48.75	49.55	48.15	49.20
4949	NYSE	DRQ	Fri, Jun 23, 2017	48.70	49.30	47.75	48.65
4948	NYSE	DRQ	Thu, Jun 22, 2017	49.20	49.70	48.75	48.80
4947	NYSE	DRQ	Wed, Jun 21, 2017	50.25	50.25	48.25	49.10
4946	NYSE	DRQ	Tue, Jun 20, 2017	50.25	50.60	48.80	50.45
4945	NYSE	DRQ	Mon, Jun 19, 2017	50.95	51.23	50.23	51.20
4944	NYSE	DRQ	Fri, Jun 16, 2017	50.35	51.00	49.95	50.80
4943	NYSE	DRQ	Thu, Jun 15, 2017	50.25	51.20	50.15	50.20
4942	NYSE	DRQ	Wed, Jun 14, 2017	53.15	53.40	50.20	51.10
4941	NYSE	DRQ	Tue, Jun 13, 2017	52.95	53.75	52.60	53.40
4940	NYSE	DRQ	Mon, Jun 12, 2017	51.55	53.10	51.55	52.60
4939	NYSE	DRQ	Fri, Jun 9, 2017	50.80	52.45	50.50	51.65
4938	NYSE	DRQ	Thu, Jun 8, 2017	50.35	51.85	50.05	50.80
4937	NYSE	DRQ	Wed, Jun 7, 2017	51.40	51.70	49.45	50.55
4936	NYSE	DRQ	Tue, Jun 6, 2017	51.20	51.79	50.50	51.50
4935	NYSE	DRQ	Mon, Jun 5, 2017	50.30	51.85	50.00	51.35
4934	NYSE	DRQ	Fri, Jun 2, 2017	49.85	50.83	49.30	50.50
4933	NYSE	DRQ	Thu, Jun 1, 2017	49.75	51.00	49.30	50.35
4932	NYSE	DRQ	Wed, May 31, 2017	49.40	50.00	48.60	49.60
4931	NYSE	DRQ	Tue, May 30, 2017	50.05	50.35	49.60	49.65
4930	NYSE	DRQ	Fri, May 26, 2017	50.05	50.45	49.83	50.25
4929	NYSE	DRQ	Thu, May 25, 2017	52.70	52.95	49.88	50.05
4928	NYSE	DRQ	Wed, May 24, 2017	52.90	53.15	52.20	52.60
4927	NYSE	DRQ	Tue, May 23, 2017	53.35	53.45	52.70	52.90
4926	NYSE	DRQ	Mon, May 22, 2017	53.85	54.25	53.20	53.25
4925	NYSE	DRQ	Fri, May 19, 2017	53.10	54.15	52.70	53.55
4924	NYSE	DRQ	Thu, May 18, 2017	51.95	53.10	51.95	52.85
4923	NYSE	DRQ	Wed, May 17, 2017	52.45	53.00	52.05	52.40
4922	NYSE	DRQ	Tue, May 16, 2017	52.60	52.98	52.10	52.90
4921	NYSE	DRQ	Mon, May 15, 2017	52.80	53.20	51.75	52.30
4920	NYSE	DRQ	Fri, May 12, 2017	52.35	52.40	51.35	51.65
4919	NYSE	DRQ	Thu, May 11, 2017	52.55	53.00	52.10	52.45
4918	NYSE	DRQ	Wed, May 10, 2017	52.10	52.75	51.70	52.10
4917	NYSE	DRQ	Tue, May 9, 2017	52.30	52.30	51.05	51.65
4916	NYSE	DRQ	Mon, May 8, 2017	52.15	52.85	51.95	52.25
4915	NYSE	DRQ	Fri, May 5, 2017	50.45	52.05	50.20	52.05
4914	NYSE	DRQ	Thu, May 4, 2017	50.25	50.35	49.15	50.10
4913	NYSE	DRQ	Wed, May 3, 2017	50.35	51.10	50.15	50.75
4912	NYSE	DRQ	Tue, May 2, 2017	49.90	50.60	49.70	50.40
4911	NYSE	DRQ	Mon, May 1, 2017	51.20	51.20	49.60	49.90
4910	NYSE	DRQ	Fri, Apr 28, 2017	52.75	53.65	51.45	51.55
4909	NYSE	DRQ	Thu, Apr 27, 2017	51.85	53.70	51.60	52.90
4908	NYSE	DRQ	Wed, Apr 26, 2017	52.45	53.75	52.10	52.55
4907	NYSE	DRQ	Tue, Apr 25, 2017	52.60	52.70	52.00	52.55
4906	NYSE	DRQ	Mon, Apr 24, 2017	52.15	52.48	51.83	52.00
4905	NYSE	DRQ	Fri, Apr 21, 2017	51.85	51.85	50.85	51.60
4904	NYSE	DRQ	Thu, Apr 20, 2017	52.30	52.35	51.35	51.90
4903	NYSE	DRQ	Wed, Apr 19, 2017	53.10	53.30	51.80	51.95
4902	NYSE	DRQ	Tue, Apr 18, 2017	53.50	53.75	52.25	53.05
4901	NYSE	DRQ	Mon, Apr 17, 2017	53.20	54.00	52.90	53.90
4900	NYSE	DRQ	Thu, Apr 13, 2017	54.60	54.60	53.15	53.20
4899	NYSE	DRQ	Wed, Apr 12, 2017	53.65	54.70	53.35	54.65
4898	NYSE	DRQ	Tue, Apr 11, 2017	53.90	53.90	53.00	53.80
4897	NYSE	DRQ	Mon, Apr 10, 2017	53.25	54.25	53.05	54.05
4896	NYSE	DRQ	Fri, Apr 7, 2017	53.80	54.05	52.85	53.00
4895	NYSE	DRQ	Thu, Apr 6, 2017	53.55	53.95	53.20	53.70
4894	NYSE	DRQ	Wed, Apr 5, 2017	54.50	55.25	52.90	53.05
4893	NYSE	DRQ	Tue, Apr 4, 2017	53.45	54.15	53.15	54.05
4892	NYSE	DRQ	Mon, Apr 3, 2017	54.75	54.95	53.20	53.40
4891	NYSE	DRQ	Fri, Mar 31, 2017	53.55	54.85	53.55	54.55
4890	NYSE	DRQ	Thu, Mar 30, 2017	54.00	54.65	53.83	53.85
4889	NYSE	DRQ	Wed, Mar 29, 2017	52.40	53.83	52.30	53.65
4888	NYSE	DRQ	Tue, Mar 28, 2017	51.85	53.00	51.30	52.55
4887	NYSE	DRQ	Mon, Mar 27, 2017	51.00	51.65	50.85	51.60
4886	NYSE	DRQ	Fri, Mar 24, 2017	51.75	52.90	51.30	51.55
4885	NYSE	DRQ	Thu, Mar 23, 2017	51.60	52.05	51.00	51.60
4884	NYSE	DRQ	Wed, Mar 22, 2017	51.80	52.30	51.10	51.90
4883	NYSE	DRQ	Tue, Mar 21, 2017	52.65	52.70	51.55	52.25
4882	NYSE	DRQ	Mon, Mar 20, 2017	52.90	53.10	52.00	52.40
4881	NYSE	DRQ	Fri, Mar 17, 2017	53.65	54.00	53.05	53.30
4880	NYSE	DRQ	Thu, Mar 16, 2017	54.20	54.20	53.05	53.50
4879	NYSE	DRQ	Wed, Mar 15, 2017	53.85	54.20	52.35	54.05
4878	NYSE	DRQ	Tue, Mar 14, 2017	53.45	53.55	52.28	53.15
4877	NYSE	DRQ	Mon, Mar 13, 2017	53.95	54.60	53.40	54.20
4876	NYSE	DRQ	Fri, Mar 10, 2017	54.10	54.70	52.75	54.05
4875	NYSE	DRQ	Thu, Mar 9, 2017	53.95	54.23	52.70	54.15
4874	NYSE	DRQ	Wed, Mar 8, 2017	55.45	56.00	54.10	54.25
4873	NYSE	DRQ	Tue, Mar 7, 2017	56.70	56.80	55.43	55.70
4872	NYSE	DRQ	Mon, Mar 6, 2017	57.20	57.34	55.93	56.60
4871	NYSE	DRQ	Fri, Mar 3, 2017	58.35	58.75	57.15	57.55
4870	NYSE	DRQ	Thu, Mar 2, 2017	59.05	59.60	58.30	58.50
4869	NYSE	DRQ	Wed, Mar 1, 2017	59.45	61.35	59.25	59.70
4868	NYSE	DRQ	Tue, Feb 28, 2017	63.20	63.50	61.05	61.35
4867	NYSE	DRQ	Mon, Feb 27, 2017	65.10	67.95	64.80	67.10
4866	NYSE	DRQ	Fri, Feb 24, 2017	63.75	65.20	63.40	64.95
4865	NYSE	DRQ	Thu, Feb 23, 2017	64.00	64.75	63.50	64.30
4864	NYSE	DRQ	Wed, Feb 22, 2017	63.75	64.05	62.55	62.90
4863	NYSE	DRQ	Tue, Feb 21, 2017	63.90	64.75	63.55	64.40
4862	NYSE	DRQ	Fri, Feb 17, 2017	63.60	64.05	62.90	63.15
4861	NYSE	DRQ	Thu, Feb 16, 2017	65.45	65.85	63.35	63.95
4860	NYSE	DRQ	Wed, Feb 15, 2017	65.45	65.75	64.90	65.55
4859	NYSE	DRQ	Tue, Feb 14, 2017	63.95	66.00	63.70	65.75
4858	NYSE	DRQ	Mon, Feb 13, 2017	62.55	64.00	62.55	63.90
4857	NYSE	DRQ	Fri, Feb 10, 2017	62.80	63.40	62.55	62.65
4856	NYSE	DRQ	Thu, Feb 9, 2017	62.10	62.90	62.00	62.00
4855	NYSE	DRQ	Wed, Feb 8, 2017	61.40	61.95	60.00	61.65
4854	NYSE	DRQ	Tue, Feb 7, 2017	62.35	62.95	61.35	62.00
4853	NYSE	DRQ	Mon, Feb 6, 2017	63.10	63.35	61.65	62.25
4852	NYSE	DRQ	Fri, Feb 3, 2017	61.85	63.60	61.55	63.00
4851	NYSE	DRQ	Thu, Feb 2, 2017	62.15	62.15	61.05	61.45
4850	NYSE	DRQ	Wed, Feb 1, 2017	62.65	63.25	61.50	62.00
4849	NYSE	DRQ	Tue, Jan 31, 2017	61.50	62.25	60.70	62.20
4848	NYSE	DRQ	Mon, Jan 30, 2017	62.90	62.90	60.75	61.40
4847	NYSE	DRQ	Fri, Jan 27, 2017	63.80	64.40	62.65	63.45
4846	NYSE	DRQ	Thu, Jan 26, 2017	63.85	64.70	63.70	64.25
4845	NYSE	DRQ	Wed, Jan 25, 2017	62.35	63.65	62.35	63.60
4844	NYSE	DRQ	Tue, Jan 24, 2017	61.60	62.75	61.00	62.30
4843	NYSE	DRQ	Mon, Jan 23, 2017	62.50	63.00	60.40	61.15
4842	NYSE	DRQ	Fri, Jan 20, 2017	63.30	63.90	63.00	63.20
4841	NYSE	DRQ	Thu, Jan 19, 2017	62.75	63.13	62.30	62.60
4840	NYSE	DRQ	Wed, Jan 18, 2017	62.65	63.50	62.25	62.45
4839	NYSE	DRQ	Tue, Jan 17, 2017	63.10	63.40	62.58	63.05
4838	NYSE	DRQ	Fri, Jan 13, 2017	63.90	64.35	62.60	62.65
4837	NYSE	DRQ	Thu, Jan 12, 2017	64.00	64.15	62.10	63.85
4836	NYSE	DRQ	Wed, Jan 11, 2017	62.45	63.85	62.25	63.35
4835	NYSE	DRQ	Tue, Jan 10, 2017	63.25	63.60	62.00	62.25
4834	NYSE	DRQ	Mon, Jan 9, 2017	62.80	63.80	61.65	62.95
4833	NYSE	DRQ	Fri, Jan 6, 2017	63.00	63.53	62.30	62.70
4832	NYSE	DRQ	Thu, Jan 5, 2017	62.75	63.05	62.10	62.80
4831	NYSE	DRQ	Wed, Jan 4, 2017	61.50	63.10	61.45	62.75
4830	NYSE	DRQ	Tue, Jan 3, 2017	61.10	61.80	60.55	61.30
4829	NYSE	DRQ	Fri, Dec 30, 2016	59.90	61.00	59.80	60.05
4828	NYSE	DRQ	Thu, Dec 29, 2016	60.30	60.85	59.80	59.95
4827	NYSE	DRQ	Wed, Dec 28, 2016	61.45	61.88	60.25	60.50
4826	NYSE	DRQ	Tue, Dec 27, 2016	61.15	62.05	60.80	61.45
4825	NYSE	DRQ	Fri, Dec 23, 2016	61.05	61.40	60.50	60.70
4824	NYSE	DRQ	Thu, Dec 22, 2016	61.15	61.85	60.65	61.10
4823	NYSE	DRQ	Wed, Dec 21, 2016	61.50	61.85	61.00	61.15
4822	NYSE	DRQ	Tue, Dec 20, 2016	62.05	62.65	61.00	61.20
4821	NYSE	DRQ	Mon, Dec 19, 2016	62.40	63.25	61.15	61.55
4820	NYSE	DRQ	Fri, Dec 16, 2016	64.00	64.15	62.20	62.45
4819	NYSE	DRQ	Thu, Dec 15, 2016	61.75	64.20	61.75	63.70
4818	NYSE	DRQ	Wed, Dec 14, 2016	63.75	64.30	62.05	62.25
4817	NYSE	DRQ	Tue, Dec 13, 2016	64.90	64.95	63.50	64.20
4816	NYSE	DRQ	Mon, Dec 12, 2016	65.80	69.40	63.85	64.10
4815	NYSE	DRQ	Fri, Dec 9, 2016	62.60	63.05	61.85	62.95
4814	NYSE	DRQ	Thu, Dec 8, 2016	61.25	62.30	60.60	62.20
4813	NYSE	DRQ	Wed, Dec 7, 2016	60.20	61.20	59.10	61.10
4812	NYSE	DRQ	Tue, Dec 6, 2016	59.50	60.70	59.15	60.40
4811	NYSE	DRQ	Mon, Dec 5, 2016	58.15	61.80	58.05	60.10
4810	NYSE	DRQ	Fri, Dec 2, 2016	57.30	57.95	57.15	57.75
4809	NYSE	DRQ	Thu, Dec 1, 2016	57.50	57.50	56.45	57.35
4808	NYSE	DRQ	Wed, Nov 30, 2016	55.85	57.60	55.25	56.55
4807	NYSE	DRQ	Tue, Nov 29, 2016	53.00	53.85	52.50	53.60
4806	NYSE	DRQ	Mon, Nov 28, 2016	54.45	54.80	53.10	53.90
4805	NYSE	DRQ	Fri, Nov 25, 2016	55.15	55.15	54.00	54.25
4804	NYSE	DRQ	Wed, Nov 23, 2016	54.85	55.55	54.85	55.45
4803	NYSE	DRQ	Tue, Nov 22, 2016	55.40	55.75	54.55	55.25
4802	NYSE	DRQ	Mon, Nov 21, 2016	54.55	55.55	54.23	55.40
4801	NYSE	DRQ	Fri, Nov 18, 2016	54.15	54.20	53.35	53.80
4800	NYSE	DRQ	Thu, Nov 17, 2016	53.70	54.50	53.68	54.00
4799	NYSE	DRQ	Wed, Nov 16, 2016	53.75	54.30	52.55	53.55
4798	NYSE	DRQ	Tue, Nov 15, 2016	52.35	54.05	52.35	53.80
4797	NYSE	DRQ	Mon, Nov 14, 2016	50.55	52.20	50.45	51.95
4796	NYSE	DRQ	Fri, Nov 11, 2016	49.05	50.58	48.80	50.45
4795	NYSE	DRQ	Thu, Nov 10, 2016	48.50	49.90	47.70	49.60
4794	NYSE	DRQ	Wed, Nov 9, 2016	47.55	49.15	47.30	48.60
4793	NYSE	DRQ	Tue, Nov 8, 2016	48.05	48.05	47.20	47.50
4792	NYSE	DRQ	Mon, Nov 7, 2016	48.25	48.25	47.55	48.00
4791	NYSE	DRQ	Fri, Nov 4, 2016	48.00	48.15	47.05	47.65
4790	NYSE	DRQ	Thu, Nov 3, 2016	47.85	48.95	47.65	48.05
4789	NYSE	DRQ	Wed, Nov 2, 2016	46.95	48.10	46.90	47.80
4788	NYSE	DRQ	Tue, Nov 1, 2016	48.05	48.30	46.95	47.50
4787	NYSE	DRQ	Mon, Oct 31, 2016	48.25	48.45	47.45	47.50
4786	NYSE	DRQ	Fri, Oct 28, 2016	49.65	50.45	47.68	48.45
4785	NYSE	DRQ	Thu, Oct 27, 2016	51.70	52.00	49.40	49.95
4784	NYSE	DRQ	Wed, Oct 26, 2016	51.05	52.20	50.85	51.85
4783	NYSE	DRQ	Tue, Oct 25, 2016	53.15	53.65	52.15	52.35
4782	NYSE	DRQ	Mon, Oct 24, 2016	55.25	55.25	52.75	53.55
4781	NYSE	DRQ	Fri, Oct 21, 2016	53.55	54.25	53.25	54.25
4780	NYSE	DRQ	Thu, Oct 20, 2016	53.45	54.15	52.90	53.85
4779	NYSE	DRQ	Wed, Oct 19, 2016	53.65	54.45	53.50	54.10
4778	NYSE	DRQ	Tue, Oct 18, 2016	54.90	55.53	53.20	53.30
4777	NYSE	DRQ	Mon, Oct 17, 2016	55.20	56.25	54.35	54.45
4776	NYSE	DRQ	Fri, Oct 14, 2016	56.00	56.35	54.80	55.00
4775	NYSE	DRQ	Thu, Oct 13, 2016	55.20	56.10	55.00	55.80
4774	NYSE	DRQ	Wed, Oct 12, 2016	55.95	56.00	55.45	55.65
4773	NYSE	DRQ	Tue, Oct 11, 2016	56.40	56.70	55.75	56.05
4772	NYSE	DRQ	Mon, Oct 10, 2016	57.10	57.40	56.35	56.90
4771	NYSE	DRQ	Fri, Oct 7, 2016	56.53	56.82	55.91	56.16
4770	NYSE	DRQ	Thu, Oct 6, 2016	56.25	57.05	56.25	56.53
4769	NYSE	DRQ	Wed, Oct 5, 2016	56.30	57.32	55.99	56.08
4768	NYSE	DRQ	Tue, Oct 4, 2016	55.82	56.11	55.32	55.71
4767	NYSE	DRQ	Mon, Oct 3, 2016	55.73	56.05	54.67	55.82
4766	NYSE	DRQ	Fri, Sep 30, 2016	55.30	56.11	54.75	55.74
4765	NYSE	DRQ	Thu, Sep 29, 2016	54.08	55.26	54.08	54.78
4764	NYSE	DRQ	Wed, Sep 28, 2016	51.77	54.08	51.29	54.03
4763	NYSE	DRQ	Tue, Sep 27, 2016	51.10	51.52	50.36	51.38
4762	NYSE	DRQ	Mon, Sep 26, 2016	51.81	52.36	51.53	51.64
4761	NYSE	DRQ	Fri, Sep 23, 2016	52.24	52.64	51.10	51.36
4760	NYSE	DRQ	Thu, Sep 22, 2016	52.25	52.82	51.99	52.59
4759	NYSE	DRQ	Wed, Sep 21, 2016	50.82	51.66	50.68	51.66
4758	NYSE	DRQ	Tue, Sep 20, 2016	50.81	50.94	50.22	50.23
4757	NYSE	DRQ	Mon, Sep 19, 2016	51.50	51.86	50.81	50.84
4756	NYSE	DRQ	Fri, Sep 16, 2016	51.67	51.86	50.13	50.95
4755	NYSE	DRQ	Thu, Sep 15, 2016	52.70	52.97	52.12	52.35
4754	NYSE	DRQ	Wed, Sep 14, 2016	53.37	53.49	52.37	52.40
4753	NYSE	DRQ	Tue, Sep 13, 2016	54.04	54.09	52.96	53.35
4752	NYSE	DRQ	Mon, Sep 12, 2016	53.55	55.16	53.24	54.92
4751	NYSE	DRQ	Fri, Sep 9, 2016	55.29	55.82	54.03	54.03
4750	NYSE	DRQ	Thu, Sep 8, 2016	55.54	56.23	55.19	55.99
4749	NYSE	DRQ	Wed, Sep 7, 2016	55.23	55.70	54.71	55.18
4748	NYSE	DRQ	Tue, Sep 6, 2016	55.33	55.45	54.61	55.08
4747	NYSE	DRQ	Fri, Sep 2, 2016	56.03	56.19	55.37	55.48
4746	NYSE	DRQ	Thu, Sep 1, 2016	55.25	55.35	54.39	55.35
4745	NYSE	DRQ	Wed, Aug 31, 2016	56.41	56.55	55.47	55.57
4744	NYSE	DRQ	Tue, Aug 30, 2016	57.04	57.75	56.41	56.52
4743	NYSE	DRQ	Mon, Aug 29, 2016	57.05	57.27	56.70	57.01
4742	NYSE	DRQ	Fri, Aug 26, 2016	57.91	58.55	56.89	57.15
4741	NYSE	DRQ	Thu, Aug 25, 2016	57.85	58.32	57.35	57.80
4740	NYSE	DRQ	Wed, Aug 24, 2016	57.67	58.30	57.48	57.72
4739	NYSE	DRQ	Tue, Aug 23, 2016	57.56	58.41	57.48	57.96
4738	NYSE	DRQ	Mon, Aug 22, 2016	57.54	57.84	56.81	57.44
4737	NYSE	DRQ	Fri, Aug 19, 2016	58.34	58.46	57.70	58.10
4736	NYSE	DRQ	Thu, Aug 18, 2016	58.12	59.09	57.64	58.64
4735	NYSE	DRQ	Wed, Aug 17, 2016	56.98	57.86	56.45	57.83
4734	NYSE	DRQ	Tue, Aug 16, 2016	57.30	57.51	56.77	57.04
4733	NYSE	DRQ	Mon, Aug 15, 2016	56.61	57.41	56.42	57.09
4732	NYSE	DRQ	Fri, Aug 12, 2016	58.01	58.35	56.10	56.36
4731	NYSE	DRQ	Thu, Aug 11, 2016	56.72	58.35	56.36	57.93
4730	NYSE	DRQ	Wed, Aug 10, 2016	57.32	57.58	56.31	56.46
4729	NYSE	DRQ	Tue, Aug 9, 2016	57.77	57.77	56.66	57.08
4728	NYSE	DRQ	Mon, Aug 8, 2016	56.83	57.59	56.32	57.42
4727	NYSE	DRQ	Fri, Aug 5, 2016	55.09	56.53	54.81	56.30
4726	NYSE	DRQ	Thu, Aug 4, 2016	54.48	55.23	54.13	55.13
4725	NYSE	DRQ	Wed, Aug 3, 2016	53.26	54.85	52.86	54.76
4724	NYSE	DRQ	Tue, Aug 2, 2016	52.94	53.71	52.34	53.32
4723	NYSE	DRQ	Mon, Aug 1, 2016	53.63	54.32	52.21	52.52
4722	NYSE	DRQ	Fri, Jul 29, 2016	54.93	54.93	51.92	54.43
4721	NYSE	DRQ	Thu, Jul 28, 2016	55.93	56.93	55.28	55.37
4720	NYSE	DRQ	Wed, Jul 27, 2016	56.29	56.64	55.16	56.31
4719	NYSE	DRQ	Tue, Jul 26, 2016	55.76	56.27	55.13	56.12
4718	NYSE	DRQ	Mon, Jul 25, 2016	57.25	57.52	55.61	55.92
4717	NYSE	DRQ	Fri, Jul 22, 2016	57.82	58.47	57.39	57.59
4716	NYSE	DRQ	Thu, Jul 21, 2016	57.85	58.53	57.54	57.71
4715	NYSE	DRQ	Wed, Jul 20, 2016	57.75	58.41	57.02	57.74
4714	NYSE	DRQ	Tue, Jul 19, 2016	58.93	59.03	57.96	58.17
4713	NYSE	DRQ	Mon, Jul 18, 2016	59.19	59.19	58.26	59.08
4712	NYSE	DRQ	Fri, Jul 15, 2016	59.55	59.55	58.75	59.25
4711	NYSE	DRQ	Thu, Jul 14, 2016	58.81	59.77	58.54	59.18
4710	NYSE	DRQ	Wed, Jul 13, 2016	59.06	59.24	57.84	58.06
4709	NYSE	DRQ	Tue, Jul 12, 2016	57.51	59.76	57.51	58.95
4708	NYSE	DRQ	Mon, Jul 11, 2016	57.55	58.05	56.41	56.56
4707	NYSE	DRQ	Fri, Jul 8, 2016	57.66	58.43	57.03	57.15
4706	NYSE	DRQ	Thu, Jul 7, 2016	57.20	58.62	56.50	56.89
4705	NYSE	DRQ	Wed, Jul 6, 2016	56.17	56.95	55.69	56.83
4704	NYSE	DRQ	Tue, Jul 5, 2016	58.30	58.55	55.32	56.54
4703	NYSE	DRQ	Fri, Jul 1, 2016	58.50	59.89	58.38	59.10
4702	NYSE	DRQ	Thu, Jun 30, 2016	57.10	58.43	56.86	58.43
4701	NYSE	DRQ	Wed, Jun 29, 2016	57.17	57.70	56.59	57.29
4700	NYSE	DRQ	Tue, Jun 28, 2016	57.34	57.34	56.32	56.54
4699	NYSE	DRQ	Mon, Jun 27, 2016	59.01	59.08	56.24	56.37
4698	NYSE	DRQ	Fri, Jun 24, 2016	59.16	60.18	59.09	59.86
4697	NYSE	DRQ	Thu, Jun 23, 2016	61.37	61.82	61.01	61.45
4696	NYSE	DRQ	Wed, Jun 22, 2016	60.60	60.82	59.89	60.38
4695	NYSE	DRQ	Tue, Jun 21, 2016	60.38	61.01	59.62	60.53
4694	NYSE	DRQ	Mon, Jun 20, 2016	61.65	61.75	60.50	60.56
4693	NYSE	DRQ	Fri, Jun 17, 2016	59.50	60.93	59.41	60.76
4692	NYSE	DRQ	Thu, Jun 16, 2016	59.69	59.83	58.23	59.20
4691	NYSE	DRQ	Wed, Jun 15, 2016	61.03	61.85	60.34	60.53
4690	NYSE	DRQ	Tue, Jun 14, 2016	60.97	62.12	60.33	61.34
4689	NYSE	DRQ	Mon, Jun 13, 2016	61.36	62.75	60.96	61.44
4688	NYSE	DRQ	Fri, Jun 10, 2016	63.59	64.25	62.49	62.56
4687	NYSE	DRQ	Thu, Jun 9, 2016	64.75	65.23	64.37	64.45
4686	NYSE	DRQ	Wed, Jun 8, 2016	65.64	66.73	65.02	65.65
4685	NYSE	DRQ	Tue, Jun 7, 2016	63.96	65.13	63.90	64.92
4684	NYSE	DRQ	Mon, Jun 6, 2016	60.53	63.91	60.34	63.67
4683	NYSE	DRQ	Fri, Jun 3, 2016	59.32	60.61	59.01	59.81
4682	NYSE	DRQ	Thu, Jun 2, 2016	59.85	60.12	58.65	59.39
4681	NYSE	DRQ	Wed, Jun 1, 2016	60.35	60.81	59.43	60.30
4680	NYSE	DRQ	Tue, May 31, 2016	61.72	62.58	60.85	61.03
4679	NYSE	DRQ	Fri, May 27, 2016	60.74	61.53	60.25	61.49
4678	NYSE	DRQ	Thu, May 26, 2016	61.23	61.72	60.45	60.81
4677	NYSE	DRQ	Wed, May 25, 2016	60.15	60.95	59.95	60.76
4676	NYSE	DRQ	Tue, May 24, 2016	59.75	59.89	58.77	59.57
4675	NYSE	DRQ	Mon, May 23, 2016	60.01	60.37	59.07	59.38
4674	NYSE	DRQ	Fri, May 20, 2016	58.85	60.87	58.77	60.43
4673	NYSE	DRQ	Thu, May 19, 2016	57.99	59.26	57.44	58.72
4672	NYSE	DRQ	Wed, May 18, 2016	59.03	59.91	58.23	58.48
4671	NYSE	DRQ	Tue, May 17, 2016	59.12	60.50	58.89	59.14
4670	NYSE	DRQ	Mon, May 16, 2016	58.44	59.90	58.44	59.30
4669	NYSE	DRQ	Fri, May 13, 2016	58.64	59.00	57.16	57.35
4668	NYSE	DRQ	Thu, May 12, 2016	59.85	60.56	58.38	59.11
4667	NYSE	DRQ	Wed, May 11, 2016	59.75	60.40	58.60	59.35
4666	NYSE	DRQ	Tue, May 10, 2016	59.71	60.45	59.12	59.86
4665	NYSE	DRQ	Mon, May 9, 2016	61.24	61.29	58.68	59.44
4664	NYSE	DRQ	Fri, May 6, 2016	61.82	63.36	61.56	61.77
4663	NYSE	DRQ	Thu, May 5, 2016	63.44	63.51	61.73	62.27
4662	NYSE	DRQ	Wed, May 4, 2016	63.70	64.66	62.32	62.54
4661	NYSE	DRQ	Tue, May 3, 2016	63.98	64.26	63.20	63.83
4660	NYSE	DRQ	Mon, May 2, 2016	64.80	65.57	63.75	65.04
4659	NYSE	DRQ	Fri, Apr 29, 2016	61.72	65.00	61.72	64.82
4658	NYSE	DRQ	Thu, Apr 28, 2016	61.43	62.49	60.74	61.39
4657	NYSE	DRQ	Wed, Apr 27, 2016	59.86	62.85	59.36	62.31
4656	NYSE	DRQ	Tue, Apr 26, 2016	61.46	62.02	58.11	59.73
4655	NYSE	DRQ	Mon, Apr 25, 2016	61.71	62.25	60.91	61.38
4654	NYSE	DRQ	Fri, Apr 22, 2016	60.98	63.22	60.58	62.04
4653	NYSE	DRQ	Thu, Apr 21, 2016	61.96	61.96	60.48	60.74
4652	NYSE	DRQ	Wed, Apr 20, 2016	61.55	62.62	60.35	61.72
4651	NYSE	DRQ	Tue, Apr 19, 2016	60.40	62.73	60.08	61.97
4650	NYSE	DRQ	Mon, Apr 18, 2016	57.07	60.31	57.07	59.82
4649	NYSE	DRQ	Fri, Apr 15, 2016	58.68	58.95	57.66	58.38
4648	NYSE	DRQ	Thu, Apr 14, 2016	60.70	60.72	58.98	59.14
4647	NYSE	DRQ	Wed, Apr 13, 2016	59.36	60.52	58.99	60.30
4646	NYSE	DRQ	Tue, Apr 12, 2016	58.47	59.72	57.93	59.44
4645	NYSE	DRQ	Mon, Apr 11, 2016	58.57	59.18	57.80	57.92
4644	NYSE	DRQ	Fri, Apr 8, 2016	58.78	59.24	58.04	58.40
4643	NYSE	DRQ	Thu, Apr 7, 2016	58.89	59.36	57.03	57.65
4642	NYSE	DRQ	Wed, Apr 6, 2016	58.80	59.76	57.46	59.23
4641	NYSE	DRQ	Tue, Apr 5, 2016	59.21	59.21	59.21	58.36
4640	NYSE	DRQ	Mon, Apr 4, 2016	60.81	60.88	58.73	59.21
4639	NYSE	DRQ	Fri, Apr 1, 2016	59.58	61.01	58.84	61.00
4638	NYSE	DRQ	Thu, Mar 31, 2016	59.14	60.91	59.14	60.56
4637	NYSE	DRQ	Wed, Mar 30, 2016	60.81	61.17	59.00	59.44
4636	NYSE	DRQ	Tue, Mar 29, 2016	59.02	60.15	57.98	60.01
4635	NYSE	DRQ	Mon, Mar 28, 2016	60.06	60.26	58.83	59.65
4634	NYSE	DRQ	Thu, Mar 24, 2016	58.09	58.09	58.09	59.83
4633	NYSE	DRQ	Wed, Mar 23, 2016	58.23	59.74	57.68	58.09
4632	NYSE	DRQ	Tue, Mar 22, 2016	59.33	60.11	58.40	58.74
4631	NYSE	DRQ	Mon, Mar 21, 2016	59.11	60.35	58.26	60.27
4630	NYSE	DRQ	Fri, Mar 18, 2016	61.18	61.80	59.17	59.49
4629	NYSE	DRQ	Thu, Mar 17, 2016	61.10	61.36	60.34	60.90
4628	NYSE	DRQ	Wed, Mar 16, 2016	59.25	60.84	58.69	60.52
4627	NYSE	DRQ	Tue, Mar 15, 2016	59.52	59.52	59.52	58.96
4626	NYSE	DRQ	Mon, Mar 14, 2016	58.94	59.88	57.70	59.52
4625	NYSE	DRQ	Fri, Mar 11, 2016	59.38	60.70	59.23	59.73
4624	NYSE	DRQ	Thu, Mar 10, 2016	57.71	58.57	56.99	58.29
4623	NYSE	DRQ	Wed, Mar 9, 2016	58.13	58.13	58.13	58.32
4622	NYSE	DRQ	Tue, Mar 8, 2016	59.49	59.56	57.66	58.13
4621	NYSE	DRQ	Mon, Mar 7, 2016	57.28	59.98	56.99	59.85
4620	NYSE	DRQ	Fri, Mar 4, 2016	56.67	56.67	56.67	57.48
4619	NYSE	DRQ	Thu, Mar 3, 2016	55.16	55.16	55.16	56.67
4618	NYSE	DRQ	Wed, Mar 2, 2016	54.91	55.61	53.67	55.16
4617	NYSE	DRQ	Tue, Mar 1, 2016	54.52	55.98	54.10	55.44
4616	NYSE	DRQ	Mon, Feb 29, 2016	52.90	54.83	52.36	54.25
4615	NYSE	DRQ	Fri, Feb 26, 2016	49.99	49.99	49.99	52.81
4614	NYSE	DRQ	Thu, Feb 25, 2016	51.89	52.92	49.33	49.99
4613	NYSE	DRQ	Wed, Feb 24, 2016	50.71	51.38	49.09	51.13
4612	NYSE	DRQ	Tue, Feb 23, 2016	51.92	52.83	51.44	51.53
4611	NYSE	DRQ	Mon, Feb 22, 2016	53.51	53.51	52.18	52.23
4610	NYSE	DRQ	Fri, Feb 19, 2016	53.10	53.21	51.96	52.38
4609	NYSE	DRQ	Thu, Feb 18, 2016	55.15	55.15	52.84	53.38
4608	NYSE	DRQ	Wed, Feb 17, 2016	52.37	53.60	52.35	53.18
4607	NYSE	DRQ	Tue, Feb 16, 2016	51.74	52.00	50.94	51.34
4606	NYSE	DRQ	Fri, Feb 12, 2016	50.44	51.81	50.39	50.81
4605	NYSE	DRQ	Thu, Feb 11, 2016	49.99	51.11	48.88	49.90
4604	NYSE	DRQ	Wed, Feb 10, 2016	51.01	52.33	50.20	50.41
4603	NYSE	DRQ	Tue, Feb 9, 2016	52.18	52.51	50.17	51.29
4602	NYSE	DRQ	Mon, Feb 8, 2016	52.45	53.06	51.60	52.80
4601	NYSE	DRQ	Fri, Feb 5, 2016	54.00	54.47	52.45	53.34
4600	NYSE	DRQ	Thu, Feb 4, 2016	53.93	56.88	53.93	54.66
4599	NYSE	DRQ	Wed, Feb 3, 2016	56.11	56.11	52.32	53.92
4598	NYSE	DRQ	Tue, Feb 2, 2016	56.19	56.19	54.88	55.45
4597	NYSE	DRQ	Mon, Feb 1, 2016	57.38	58.23	56.24	57.24
4596	NYSE	DRQ	Fri, Jan 29, 2016	56.24	58.67	55.12	58.64
4595	NYSE	DRQ	Thu, Jan 28, 2016	57.65	57.97	55.55	56.23
4594	NYSE	DRQ	Wed, Jan 27, 2016	54.64	56.78	54.39	55.68
4593	NYSE	DRQ	Tue, Jan 26, 2016	53.95	55.41	53.31	55.11
4592	NYSE	DRQ	Mon, Jan 25, 2016	52.91	54.85	52.41	52.73
4591	NYSE	DRQ	Fri, Jan 22, 2016	54.96	55.51	53.62	54.94
4590	NYSE	DRQ	Thu, Jan 21, 2016	52.15	55.58	51.87	53.42
4589	NYSE	DRQ	Wed, Jan 20, 2016	52.65	53.20	50.71	52.56
4588	NYSE	DRQ	Tue, Jan 19, 2016	54.04	54.56	52.31	53.38
4587	NYSE	DRQ	Fri, Jan 15, 2016	53.44	54.55	52.65	53.88
4586	NYSE	DRQ	Thu, Jan 14, 2016	53.50	55.45	52.74	55.19
4585	NYSE	DRQ	Wed, Jan 13, 2016	54.30	55.35	52.92	53.00
4584	NYSE	DRQ	Tue, Jan 12, 2016	54.38	54.74	52.92	53.94
4583	NYSE	DRQ	Mon, Jan 11, 2016	54.46	54.50	53.24	53.73
4582	NYSE	DRQ	Fri, Jan 8, 2016	56.59	56.90	54.33	54.46
4581	NYSE	DRQ	Thu, Jan 7, 2016	55.41	58.00	55.41	56.28
4580	NYSE	DRQ	Wed, Jan 6, 2016	57.14	57.21	55.89	56.48
4579	NYSE	DRQ	Tue, Jan 5, 2016	60.83	60.90	58.30	58.50
4578	NYSE	DRQ	Mon, Jan 4, 2016	59.79	61.52	59.14	60.94
4577	NYSE	DRQ	Thu, Dec 31, 2015	59.15	60.28	58.80	59.23
4576	NYSE	DRQ	Wed, Dec 30, 2015	58.99	60.49	58.99	59.44
4575	NYSE	DRQ	Tue, Dec 29, 2015	61.58	63.05	59.90	60.18
4574	NYSE	DRQ	Mon, Dec 28, 2015	59.92	60.45	59.31	60.25
4573	NYSE	DRQ	Thu, Dec 24, 2015	61.92	62.25	60.94	61.17
4572	NYSE	DRQ	Wed, Dec 23, 2015	61.44	62.00	60.74	61.84
4571	NYSE	DRQ	Tue, Dec 22, 2015	58.28	60.49	58.28	59.92
4570	NYSE	DRQ	Mon, Dec 21, 2015	57.95	59.17	57.22	57.96
4569	NYSE	DRQ	Fri, Dec 18, 2015	57.98	58.25	56.96	57.59
4568	NYSE	DRQ	Thu, Dec 17, 2015	59.34	59.71	57.36	58.02
4567	NYSE	DRQ	Wed, Dec 16, 2015	60.11	61.48	59.20	59.43
4566	NYSE	DRQ	Tue, Dec 15, 2015	58.96	61.16	58.80	60.41
4565	NYSE	DRQ	Mon, Dec 14, 2015	57.40	58.69	57.40	58.24
4564	NYSE	DRQ	Fri, Dec 11, 2015	59.70	60.50	58.02	58.11
4563	NYSE	DRQ	Thu, Dec 10, 2015	58.72	60.69	58.49	60.38
4562	NYSE	DRQ	Wed, Dec 9, 2015	59.59	61.09	58.11	58.78
4561	NYSE	DRQ	Tue, Dec 8, 2015	57.68	60.05	57.56	58.99
4560	NYSE	DRQ	Mon, Dec 7, 2015	58.78	58.92	57.47	58.71
4559	NYSE	DRQ	Fri, Dec 4, 2015	60.31	61.11	59.22	60.10
4558	NYSE	DRQ	Thu, Dec 3, 2015	62.27	63.00	60.58	61.02
4557	NYSE	DRQ	Wed, Dec 2, 2015	62.74	63.32	61.04	61.73
4556	NYSE	DRQ	Tue, Dec 1, 2015	62.81	63.52	62.53	63.28
4555	NYSE	DRQ	Mon, Nov 30, 2015	63.77	64.16	62.27	63.11
4554	NYSE	DRQ	Fri, Nov 27, 2015	62.52	63.07	62.02	62.74
4553	NYSE	DRQ	Wed, Nov 25, 2015	62.05	64.16	62.05	63.10
4552	NYSE	DRQ	Tue, Nov 24, 2015	62.42	64.36	62.27	63.05
4551	NYSE	DRQ	Mon, Nov 23, 2015	60.55	62.56	60.11	62.15
4550	NYSE	DRQ	Fri, Nov 20, 2015	61.17	61.70	60.39	60.72
4549	NYSE	DRQ	Thu, Nov 19, 2015	61.97	62.72	60.89	61.17
4548	NYSE	DRQ	Wed, Nov 18, 2015	61.76	63.31	61.42	62.61
4547	NYSE	DRQ	Tue, Nov 17, 2015	61.45	61.75	59.89	61.18
4546	NYSE	DRQ	Mon, Nov 16, 2015	59.50	61.88	58.84	61.78
4545	NYSE	DRQ	Fri, Nov 13, 2015	59.25	60.07	57.98	59.48
4544	NYSE	DRQ	Thu, Nov 12, 2015	60.16	62.03	59.41	59.66
4543	NYSE	DRQ	Wed, Nov 11, 2015	61.53	61.90	59.86	61.37
4542	NYSE	DRQ	Tue, Nov 10, 2015	62.31	62.47	60.76	61.89
4541	NYSE	DRQ	Mon, Nov 9, 2015	62.70	63.20	60.59	62.47
4540	NYSE	DRQ	Fri, Nov 6, 2015	62.23	63.82	61.47	62.69
4539	NYSE	DRQ	Thu, Nov 5, 2015	64.38	65.66	62.78	62.83
4538	NYSE	DRQ	Wed, Nov 4, 2015	64.39	65.44	63.98	64.69
4537	NYSE	DRQ	Tue, Nov 3, 2015	63.16	64.94	63.08	64.29
4536	NYSE	DRQ	Mon, Nov 2, 2015	60.85	63.29	60.65	63.15
4535	NYSE	DRQ	Fri, Oct 30, 2015	61.20	62.38	59.72	61.56
4534	NYSE	DRQ	Thu, Oct 29, 2015	65.27	66.67	60.36	61.20
4533	NYSE	DRQ	Wed, Oct 28, 2015	63.61	66.18	62.64	65.72
4532	NYSE	DRQ	Tue, Oct 27, 2015	62.29	63.34	61.55	62.40
4531	NYSE	DRQ	Mon, Oct 26, 2015	64.23	64.52	62.56	63.19
4530	NYSE	DRQ	Fri, Oct 23, 2015	64.40	64.95	63.21	64.21
4529	NYSE	DRQ	Thu, Oct 22, 2015	64.45	65.72	64.07	64.74
4528	NYSE	DRQ	Wed, Oct 21, 2015	65.50	65.69	63.77	63.90
4527	NYSE	DRQ	Tue, Oct 20, 2015	64.41	66.91	64.41	65.70
4526	NYSE	DRQ	Mon, Oct 19, 2015	63.94	64.79	63.35	64.65
4525	NYSE	DRQ	Fri, Oct 16, 2015	65.14	65.28	63.29	64.70
4524	NYSE	DRQ	Thu, Oct 15, 2015	64.10	65.07	62.56	64.96
4523	NYSE	DRQ	Wed, Oct 14, 2015	64.93	65.79	64.02	64.40
4522	NYSE	DRQ	Tue, Oct 13, 2015	64.21	65.65	63.85	64.91
4521	NYSE	DRQ	Mon, Oct 12, 2015	67.95	67.95	64.39	64.95
4520	NYSE	DRQ	Fri, Oct 9, 2015	66.69	68.69	65.98	67.99
4519	NYSE	DRQ	Thu, Oct 8, 2015	65.75	66.98	63.97	66.65
4518	NYSE	DRQ	Wed, Oct 7, 2015	64.50	66.57	63.70	65.89
4517	NYSE	DRQ	Tue, Oct 6, 2015	64.32	65.65	63.63	64.03
4516	NYSE	DRQ	Mon, Oct 5, 2015	61.80	64.53	61.73	63.99
4515	NYSE	DRQ	Fri, Oct 2, 2015	56.87	61.83	56.87	61.80
4514	NYSE	DRQ	Thu, Oct 1, 2015	59.05	60.21	56.91	57.67
4513	NYSE	DRQ	Wed, Sep 30, 2015	58.95	59.41	57.05	58.22
4512	NYSE	DRQ	Tue, Sep 29, 2015	59.86	61.04	57.89	58.59
4511	NYSE	DRQ	Mon, Sep 28, 2015	60.65	60.65	59.21	59.23
4510	NYSE	DRQ	Fri, Sep 25, 2015	61.26	61.80	60.54	61.45
4509	NYSE	DRQ	Thu, Sep 24, 2015	60.99	61.36	60.15	60.77
4508	NYSE	DRQ	Wed, Sep 23, 2015	62.44	62.50	61.23	61.44
4507	NYSE	DRQ	Tue, Sep 22, 2015	62.28	63.10	61.58	62.07
4506	NYSE	DRQ	Mon, Sep 21, 2015	64.03	64.03	62.46	62.98
4505	NYSE	DRQ	Fri, Sep 18, 2015	64.88	65.13	63.04	63.25
4504	NYSE	DRQ	Thu, Sep 17, 2015	66.47	67.56	64.88	65.90
4503	NYSE	DRQ	Wed, Sep 16, 2015	65.30	67.99	65.00	66.95
4502	NYSE	DRQ	Tue, Sep 15, 2015	64.11	65.32	64.05	65.01
4501	NYSE	DRQ	Mon, Sep 14, 2015	63.78	64.43	62.91	63.80
4500	NYSE	DRQ	Fri, Sep 11, 2015	63.88	64.19	63.00	64.14
4499	NYSE	DRQ	Thu, Sep 10, 2015	65.07	65.88	63.59	64.77
4498	NYSE	DRQ	Wed, Sep 9, 2015	66.41	68.11	63.47	64.72
4497	NYSE	DRQ	Tue, Sep 8, 2015	67.07	67.72	65.73	66.63
4496	NYSE	DRQ	Fri, Sep 4, 2015	66.96	68.22	66.23	66.91
4495	NYSE	DRQ	Thu, Sep 3, 2015	69.14	69.36	66.47	68.14
4494	NYSE	DRQ	Wed, Sep 2, 2015	68.65	69.43	66.27	69.05
4493	NYSE	DRQ	Tue, Sep 1, 2015	66.35	68.86	66.01	67.55
4492	NYSE	DRQ	Mon, Aug 31, 2015	66.71	69.27	65.14	68.94
4491	NYSE	DRQ	Fri, Aug 28, 2015	65.21	68.17	64.93	67.61
4490	NYSE	DRQ	Thu, Aug 27, 2015	61.82	67.54	61.48	66.01
4489	NYSE	DRQ	Wed, Aug 26, 2015	58.75	61.65	58.25	60.69
4488	NYSE	DRQ	Tue, Aug 25, 2015	56.87	57.39	55.26	56.28
4487	NYSE	DRQ	Mon, Aug 24, 2015	53.58	57.00	53.37	55.11
4486	NYSE	DRQ	Fri, Aug 21, 2015	58.30	59.58	57.10	57.15
4485	NYSE	DRQ	Thu, Aug 20, 2015	59.69	60.62	58.16	58.46
4484	NYSE	DRQ	Wed, Aug 19, 2015	60.68	61.31	58.92	59.73
4483	NYSE	DRQ	Tue, Aug 18, 2015	61.15	62.03	60.87	61.15
4482	NYSE	DRQ	Mon, Aug 17, 2015	61.22	61.80	60.43	61.49
4481	NYSE	DRQ	Fri, Aug 14, 2015	61.02	61.83	60.39	61.02
4480	NYSE	DRQ	Thu, Aug 13, 2015	62.24	62.89	59.79	60.72
4479	NYSE	DRQ	Wed, Aug 12, 2015	62.38	63.71	61.16	62.64
4478	NYSE	DRQ	Tue, Aug 11, 2015	61.32	62.70	61.14	62.32
4477	NYSE	DRQ	Mon, Aug 10, 2015	59.53	62.53	59.15	62.45
4476	NYSE	DRQ	Fri, Aug 7, 2015	59.04	60.33	58.59	58.94
4475	NYSE	DRQ	Thu, Aug 6, 2015	58.09	59.78	56.81	59.51
4474	NYSE	DRQ	Wed, Aug 5, 2015	58.27	58.65	57.42	58.29
4473	NYSE	DRQ	Tue, Aug 4, 2015	58.49	59.30	57.01	57.24
4472	NYSE	DRQ	Mon, Aug 3, 2015	57.60	58.38	56.24	57.56
4471	NYSE	DRQ	Fri, Jul 31, 2015	60.35	61.28	58.25	58.41
4470	NYSE	DRQ	Thu, Jul 30, 2015	63.33	63.98	61.54	62.00
4469	NYSE	DRQ	Wed, Jul 29, 2015	61.49	63.56	61.49	63.44
4468	NYSE	DRQ	Tue, Jul 28, 2015	61.33	62.26	60.11	61.90
4467	NYSE	DRQ	Mon, Jul 27, 2015	60.54	61.15	59.99	60.65
4466	NYSE	DRQ	Fri, Jul 24, 2015	61.94	62.35	61.16	61.43
4465	NYSE	DRQ	Thu, Jul 23, 2015	62.60	63.30	60.98	61.96
4464	NYSE	DRQ	Wed, Jul 22, 2015	62.78	63.18	61.20	62.00
4463	NYSE	DRQ	Tue, Jul 21, 2015	63.93	64.56	63.23	63.29
4462	NYSE	DRQ	Mon, Jul 20, 2015	64.60	65.09	63.60	63.89
4461	NYSE	DRQ	Fri, Jul 17, 2015	66.49	66.70	64.67	64.82
4460	NYSE	DRQ	Thu, Jul 16, 2015	67.77	67.77	66.06	66.37
4459	NYSE	DRQ	Wed, Jul 15, 2015	70.46	70.62	67.12	67.22
4458	NYSE	DRQ	Tue, Jul 14, 2015	71.00	72.55	70.75	70.80
4457	NYSE	DRQ	Mon, Jul 13, 2015	70.63	71.44	70.08	70.92
4456	NYSE	DRQ	Fri, Jul 10, 2015	71.87	72.50	70.32	70.43
4455	NYSE	DRQ	Thu, Jul 9, 2015	71.28	72.35	71.18	71.34
4454	NYSE	DRQ	Wed, Jul 8, 2015	72.11	73.24	70.32	71.28
4453	NYSE	DRQ	Tue, Jul 7, 2015	71.75	73.36	70.16	72.75
4452	NYSE	DRQ	Mon, Jul 6, 2015	71.57	72.85	71.51	72.16
4451	NYSE	DRQ	Thu, Jul 2, 2015	73.27	73.80	72.35	73.12
4450	NYSE	DRQ	Wed, Jul 1, 2015	75.12	75.48	71.98	72.55
4449	NYSE	DRQ	Tue, Jun 30, 2015	75.89	75.97	74.87	75.25
4448	NYSE	DRQ	Mon, Jun 29, 2015	76.54	76.75	75.06	75.18
4447	NYSE	DRQ	Fri, Jun 26, 2015	75.96	77.35	75.32	77.21
4446	NYSE	DRQ	Thu, Jun 25, 2015	75.98	76.61	75.83	76.10
4445	NYSE	DRQ	Wed, Jun 24, 2015	75.16	76.33	75.16	76.03
4444	NYSE	DRQ	Tue, Jun 23, 2015	74.64	75.80	74.45	75.50
4443	NYSE	DRQ	Mon, Jun 22, 2015	73.54	75.00	72.84	74.97
4442	NYSE	DRQ	Fri, Jun 19, 2015	73.52	73.97	72.69	73.21
4441	NYSE	DRQ	Thu, Jun 18, 2015	75.64	76.00	73.41	73.89
4440	NYSE	DRQ	Wed, Jun 17, 2015	76.55	77.83	74.67	75.22
4439	NYSE	DRQ	Tue, Jun 16, 2015	74.91	76.08	74.81	75.96
4438	NYSE	DRQ	Mon, Jun 15, 2015	76.10	76.37	74.48	74.70
4437	NYSE	DRQ	Fri, Jun 12, 2015	78.60	78.77	76.96	77.25
4436	NYSE	DRQ	Thu, Jun 11, 2015	79.03	79.03	77.98	78.78
4435	NYSE	DRQ	Wed, Jun 10, 2015	77.84	79.20	77.22	79.06
4434	NYSE	DRQ	Tue, Jun 9, 2015	76.90	77.21	76.21	76.56
4433	NYSE	DRQ	Mon, Jun 8, 2015	76.28	77.27	75.84	76.26
4432	NYSE	DRQ	Fri, Jun 5, 2015	75.19	77.01	75.05	76.60
4431	NYSE	DRQ	Thu, Jun 4, 2015	76.27	76.47	75.25	75.59
4430	NYSE	DRQ	Wed, Jun 3, 2015	77.34	78.40	76.37	76.82
4429	NYSE	DRQ	Tue, Jun 2, 2015	75.99	78.35	75.99	77.34
4428	NYSE	DRQ	Mon, Jun 1, 2015	75.56	76.17	74.27	75.41
4427	NYSE	DRQ	Fri, May 29, 2015	75.77	76.63	75.46	75.58
4426	NYSE	DRQ	Thu, May 28, 2015	76.14	76.39	74.69	75.83
4425	NYSE	DRQ	Wed, May 27, 2015	75.03	76.36	74.98	76.30
4424	NYSE	DRQ	Tue, May 26, 2015	75.90	76.64	74.79	75.12
4423	NYSE	DRQ	Fri, May 22, 2015	76.57	77.64	76.43	76.77
4422	NYSE	DRQ	Thu, May 21, 2015	76.69	77.49	76.69	77.28
4421	NYSE	DRQ	Wed, May 20, 2015	76.79	77.10	75.84	76.18
4420	NYSE	DRQ	Tue, May 19, 2015	76.31	76.64	75.43	76.28
4419	NYSE	DRQ	Mon, May 18, 2015	76.58	77.50	75.88	77.12
4418	NYSE	DRQ	Fri, May 15, 2015	76.65	77.42	75.94	76.80
4417	NYSE	DRQ	Thu, May 14, 2015	77.69	78.50	76.77	77.04
4416	NYSE	DRQ	Wed, May 13, 2015	77.78	77.99	76.83	77.39
4415	NYSE	DRQ	Tue, May 12, 2015	76.78	78.27	76.48	76.96
4414	NYSE	DRQ	Mon, May 11, 2015	77.55	77.63	76.00	76.02
4413	NYSE	DRQ	Fri, May 8, 2015	78.84	79.03	77.00	77.76
4412	NYSE	DRQ	Thu, May 7, 2015	78.66	78.71	76.54	77.86
4411	NYSE	DRQ	Wed, May 6, 2015	79.86	80.79	78.62	79.14
4410	NYSE	DRQ	Tue, May 5, 2015	81.13	81.68	78.66	78.91
4409	NYSE	DRQ	Mon, May 4, 2015	79.89	81.01	79.51	80.20
4408	NYSE	DRQ	Fri, May 1, 2015	79.48	80.93	78.89	79.77
4407	NYSE	DRQ	Thu, Apr 30, 2015	76.37	81.78	75.85	79.72
4406	NYSE	DRQ	Wed, Apr 29, 2015	73.67	76.33	73.28	75.85
4405	NYSE	DRQ	Tue, Apr 28, 2015	74.13	74.83	73.83	74.08
4404	NYSE	DRQ	Mon, Apr 27, 2015	73.96	74.79	73.36	74.37
4403	NYSE	DRQ	Fri, Apr 24, 2015	73.67	73.78	72.67	73.39
4402	NYSE	DRQ	Thu, Apr 23, 2015	72.04	74.11	71.60	74.07
4401	NYSE	DRQ	Wed, Apr 22, 2015	70.80	72.25	70.58	71.76
4400	NYSE	DRQ	Tue, Apr 21, 2015	72.40	72.53	70.26	70.86
4399	NYSE	DRQ	Mon, Apr 20, 2015	72.19	73.26	72.02	72.32
4398	NYSE	DRQ	Fri, Apr 17, 2015	74.88	74.89	72.24	72.30
4397	NYSE	DRQ	Thu, Apr 16, 2015	75.24	76.27	74.11	75.05
4396	NYSE	DRQ	Wed, Apr 15, 2015	73.23	76.87	72.61	75.94
4395	NYSE	DRQ	Tue, Apr 14, 2015	71.66	72.93	71.54	72.52
4394	NYSE	DRQ	Mon, Apr 13, 2015	71.82	71.82	70.79	71.10
4393	NYSE	DRQ	Fri, Apr 10, 2015	71.62	71.97	70.58	71.39
4392	NYSE	DRQ	Thu, Apr 9, 2015	69.59	71.71	69.59	71.50
4391	NYSE	DRQ	Wed, Apr 8, 2015	69.72	70.04	68.78	69.57
4390	NYSE	DRQ	Tue, Apr 7, 2015	69.37	70.57	68.80	69.39
4389	NYSE	DRQ	Mon, Apr 6, 2015	68.96	69.85	68.78	69.44
4388	NYSE	DRQ	Thu, Apr 2, 2015	68.29	69.71	67.56	68.34
4387	NYSE	DRQ	Wed, Apr 1, 2015	68.81	69.69	68.43	68.55
4386	NYSE	DRQ	Tue, Mar 31, 2015	67.49	68.52	67.04	68.39
4385	NYSE	DRQ	Mon, Mar 30, 2015	67.99	68.91	66.96	67.87
4384	NYSE	DRQ	Fri, Mar 27, 2015	68.27	68.64	67.02	68.26
4383	NYSE	DRQ	Thu, Mar 26, 2015	69.60	70.10	67.88	68.42
4382	NYSE	DRQ	Wed, Mar 25, 2015	69.04	70.06	68.02	68.83
4381	NYSE	DRQ	Tue, Mar 24, 2015	69.93	69.99	68.56	69.23
4380	NYSE	DRQ	Mon, Mar 23, 2015	69.44	70.41	69.35	69.37
4379	NYSE	DRQ	Fri, Mar 20, 2015	68.49	69.81	68.14	69.47
4378	NYSE	DRQ	Thu, Mar 19, 2015	68.05	68.44	67.19	67.97
4377	NYSE	DRQ	Wed, Mar 18, 2015	66.25	69.22	65.64	68.82
4376	NYSE	DRQ	Tue, Mar 17, 2015	66.02	67.14	65.62	66.46
4375	NYSE	DRQ	Mon, Mar 16, 2015	65.66	66.68	65.28	66.54
4374	NYSE	DRQ	Fri, Mar 13, 2015	67.16	67.26	65.28	66.13
4373	NYSE	DRQ	Thu, Mar 12, 2015	68.99	69.19	67.90	67.95
4372	NYSE	DRQ	Wed, Mar 11, 2015	69.16	69.53	67.64	68.75
4371	NYSE	DRQ	Tue, Mar 10, 2015	69.69	70.10	68.89	68.91
4370	NYSE	DRQ	Mon, Mar 9, 2015	69.83	70.72	68.97	69.70
4369	NYSE	DRQ	Fri, Mar 6, 2015	71.85	72.46	69.93	70.12
4368	NYSE	DRQ	Thu, Mar 5, 2015	75.21	75.29	72.44	72.57
4367	NYSE	DRQ	Wed, Mar 4, 2015	73.43	75.79	72.76	75.25
4366	NYSE	DRQ	Tue, Mar 3, 2015	72.89	73.95	72.11	73.49
4365	NYSE	DRQ	Mon, Mar 2, 2015	72.76	73.52	70.45	73.29
4364	NYSE	DRQ	Fri, Feb 27, 2015	71.94	76.62	71.15	72.66
4363	NYSE	DRQ	Thu, Feb 26, 2015	71.52	72.61	69.75	69.88
4362	NYSE	DRQ	Wed, Feb 25, 2015	72.54	73.20	71.51	71.86
4361	NYSE	DRQ	Tue, Feb 24, 2015	73.14	73.36	71.61	72.42
4360	NYSE	DRQ	Mon, Feb 23, 2015	71.50	73.14	71.25	72.19
4359	NYSE	DRQ	Fri, Feb 20, 2015	73.12	73.47	71.97	72.24
4358	NYSE	DRQ	Thu, Feb 19, 2015	72.03	74.55	71.20	73.14
4357	NYSE	DRQ	Wed, Feb 18, 2015	74.29	75.81	73.92	74.10
4356	NYSE	DRQ	Tue, Feb 17, 2015	73.17	75.34	72.11	75.21
4355	NYSE	DRQ	Fri, Feb 13, 2015	73.21	73.63	72.19	73.37
4354	NYSE	DRQ	Thu, Feb 12, 2015	75.31	76.64	72.14	72.41
4353	NYSE	DRQ	Wed, Feb 11, 2015	72.59	74.68	72.03	74.08
4352	NYSE	DRQ	Tue, Feb 10, 2015	74.09	74.09	72.37	73.59
4351	NYSE	DRQ	Mon, Feb 9, 2015	73.57	75.04	73.57	73.77
4350	NYSE	DRQ	Fri, Feb 6, 2015	74.50	74.93	72.89	73.21
4349	NYSE	DRQ	Thu, Feb 5, 2015	75.05	75.96	74.05	74.28
4348	NYSE	DRQ	Wed, Feb 4, 2015	75.95	76.22	73.08	73.70
4347	NYSE	DRQ	Tue, Feb 3, 2015	77.93	81.13	77.77	78.02
4346	NYSE	DRQ	Mon, Feb 2, 2015	74.97	76.73	74.38	76.71
4345	NYSE	DRQ	Fri, Jan 30, 2015	72.13	75.18	72.13	74.23
4344	NYSE	DRQ	Thu, Jan 29, 2015	73.60	73.91	71.04	72.61
4343	NYSE	DRQ	Wed, Jan 28, 2015	77.66	77.83	72.53	73.02
4342	NYSE	DRQ	Tue, Jan 27, 2015	76.78	78.85	76.37	77.94
4341	NYSE	DRQ	Mon, Jan 26, 2015	75.58	77.29	75.24	77.27
4340	NYSE	DRQ	Fri, Jan 23, 2015	76.14	76.97	75.17	75.50
4339	NYSE	DRQ	Thu, Jan 22, 2015	76.51	76.98	75.56	76.63
4338	NYSE	DRQ	Wed, Jan 21, 2015	74.05	76.36	73.67	76.17
4337	NYSE	DRQ	Tue, Jan 20, 2015	73.69	73.76	71.58	73.66
4336	NYSE	DRQ	Fri, Jan 16, 2015	72.94	74.29	72.94	74.04
4335	NYSE	DRQ	Thu, Jan 15, 2015	73.31	73.32	71.88	72.52
4334	NYSE	DRQ	Wed, Jan 14, 2015	69.24	72.63	69.02	72.52
4333	NYSE	DRQ	Tue, Jan 13, 2015	69.07	69.97	68.51	69.62
4332	NYSE	DRQ	Mon, Jan 12, 2015	70.10	70.22	68.09	68.45
4331	NYSE	DRQ	Fri, Jan 9, 2015	73.23	73.35	70.50	71.17
4330	NYSE	DRQ	Thu, Jan 8, 2015	72.94	73.95	72.52	73.52
4329	NYSE	DRQ	Wed, Jan 7, 2015	72.98	74.56	71.57	72.32
4328	NYSE	DRQ	Tue, Jan 6, 2015	73.00	74.00	71.84	72.48
4327	NYSE	DRQ	Mon, Jan 5, 2015	75.35	75.38	71.90	73.45
4326	NYSE	DRQ	Fri, Jan 2, 2015	76.59	77.54	75.62	76.55
4325	NYSE	DRQ	Wed, Dec 31, 2014	76.00	77.70	75.23	76.73
4324	NYSE	DRQ	Tue, Dec 30, 2014	76.94	77.93	76.27	76.50
4323	NYSE	DRQ	Mon, Dec 29, 2014	77.80	78.71	76.60	77.28
4322	NYSE	DRQ	Fri, Dec 26, 2014	78.17	78.86	76.85	77.33
4321	NYSE	DRQ	Wed, Dec 24, 2014	76.54	77.87	76.31	77.26
4320	NYSE	DRQ	Tue, Dec 23, 2014	76.63	77.70	76.33	76.95
4319	NYSE	DRQ	Mon, Dec 22, 2014	76.55	77.19	74.94	76.39
4318	NYSE	DRQ	Fri, Dec 19, 2014	74.18	77.81	74.18	77.55
4317	NYSE	DRQ	Thu, Dec 18, 2014	73.57	74.79	72.26	74.29
4316	NYSE	DRQ	Wed, Dec 17, 2014	70.82	74.08	70.82	73.38
4315	NYSE	DRQ	Tue, Dec 16, 2014	70.01	72.40	69.38	70.44
4314	NYSE	DRQ	Mon, Dec 15, 2014	71.18	71.92	69.67	70.00
4313	NYSE	DRQ	Fri, Dec 12, 2014	71.68	73.42	70.93	71.01
4312	NYSE	DRQ	Thu, Dec 11, 2014	73.74	74.55	72.74	73.17
4311	NYSE	DRQ	Wed, Dec 10, 2014	75.38	75.99	73.79	74.14
4310	NYSE	DRQ	Tue, Dec 9, 2014	74.41	77.21	74.41	76.84
4309	NYSE	DRQ	Mon, Dec 8, 2014	76.08	76.62	74.36	75.16
4308	NYSE	DRQ	Fri, Dec 5, 2014	77.40	79.14	77.22	77.30
4307	NYSE	DRQ	Thu, Dec 4, 2014	77.84	80.06	77.47	78.93
4306	NYSE	DRQ	Wed, Dec 3, 2014	78.45	79.24	78.21	78.73
4305	NYSE	DRQ	Tue, Dec 2, 2014	77.32	79.28	76.10	78.46
4304	NYSE	DRQ	Mon, Dec 1, 2014	79.30	80.26	78.25	78.58
4303	NYSE	DRQ	Fri, Nov 28, 2014	84.61	84.84	79.59	79.75
4302	NYSE	DRQ	Wed, Nov 26, 2014	90.54	90.86	88.98	89.24
4301	NYSE	DRQ	Tue, Nov 25, 2014	93.13	93.54	90.60	91.13
4300	NYSE	DRQ	Mon, Nov 24, 2014	92.16	93.04	91.44	92.96
4299	NYSE	DRQ	Fri, Nov 21, 2014	91.63	92.44	90.52	92.40
4298	NYSE	DRQ	Thu, Nov 20, 2014	88.80	91.53	88.79	90.56
4297	NYSE	DRQ	Wed, Nov 19, 2014	88.38	89.68	87.20	88.80
4296	NYSE	DRQ	Tue, Nov 18, 2014	87.83	89.17	87.44	88.30
4295	NYSE	DRQ	Mon, Nov 17, 2014	87.34	87.34	85.69	86.43
4294	NYSE	DRQ	Fri, Nov 14, 2014	87.14	88.14	86.03	87.45
4293	NYSE	DRQ	Thu, Nov 13, 2014	86.50	86.71	85.06	85.20
4292	NYSE	DRQ	Wed, Nov 12, 2014	86.86	89.03	86.78	86.78
4291	NYSE	DRQ	Tue, Nov 11, 2014	87.39	88.20	85.77	87.61
4290	NYSE	DRQ	Mon, Nov 10, 2014	89.51	90.64	86.41	87.11
4289	NYSE	DRQ	Fri, Nov 7, 2014	86.29	90.61	86.29	88.65
4288	NYSE	DRQ	Thu, Nov 6, 2014	85.12	86.54	83.89	86.47
4287	NYSE	DRQ	Wed, Nov 5, 2014	84.74	86.52	83.81	85.70
4286	NYSE	DRQ	Tue, Nov 4, 2014	85.82	85.90	83.19	83.90
4285	NYSE	DRQ	Mon, Nov 3, 2014	89.68	90.29	86.13	86.82
4284	NYSE	DRQ	Fri, Oct 31, 2014	91.26	91.82	86.74	89.95
4283	NYSE	DRQ	Thu, Oct 30, 2014	90.91	92.18	88.96	90.85
4282	NYSE	DRQ	Wed, Oct 29, 2014	91.82	92.98	91.02	91.63
4281	NYSE	DRQ	Tue, Oct 28, 2014	88.28	91.16	87.58	91.02
4280	NYSE	DRQ	Mon, Oct 27, 2014	88.02	88.47	86.17	87.47
4279	NYSE	DRQ	Fri, Oct 24, 2014	90.57	90.58	88.82	89.80
4278	NYSE	DRQ	Thu, Oct 23, 2014	88.81	91.86	87.91	91.01
4277	NYSE	DRQ	Wed, Oct 22, 2014	88.89	89.69	87.49	87.74
4276	NYSE	DRQ	Tue, Oct 21, 2014	87.80	89.27	87.39	88.92
4275	NYSE	DRQ	Mon, Oct 20, 2014	85.84	87.55	84.84	87.51
4274	NYSE	DRQ	Fri, Oct 17, 2014	86.85	87.59	84.78	85.67
4273	NYSE	DRQ	Thu, Oct 16, 2014	81.86	85.54	80.71	85.38
4272	NYSE	DRQ	Wed, Oct 15, 2014	79.74	84.50	78.41	83.87
4271	NYSE	DRQ	Tue, Oct 14, 2014	81.95	82.35	79.22	80.23
4270	NYSE	DRQ	Mon, Oct 13, 2014	83.31	84.80	81.36	81.67
4269	NYSE	DRQ	Fri, Oct 10, 2014	85.57	85.84	83.09	83.63
4268	NYSE	DRQ	Thu, Oct 9, 2014	87.12	87.28	84.39	85.09
4267	NYSE	DRQ	Wed, Oct 8, 2014	85.56	87.66	84.12	87.56
4266	NYSE	DRQ	Tue, Oct 7, 2014	87.02	88.38	85.82	85.82
4265	NYSE	DRQ	Mon, Oct 6, 2014	87.20	88.53	87.05	87.71
4264	NYSE	DRQ	Fri, Oct 3, 2014	87.43	87.69	86.35	87.00
4263	NYSE	DRQ	Thu, Oct 2, 2014	86.25	87.54	84.70	87.01
4262	NYSE	DRQ	Wed, Oct 1, 2014	89.16	90.53	86.53	86.63
4261	NYSE	DRQ	Tue, Sep 30, 2014	90.69	91.05	89.36	89.40
4260	NYSE	DRQ	Mon, Sep 29, 2014	89.60	91.34	88.98	90.90
4259	NYSE	DRQ	Fri, Sep 26, 2014	90.16	91.14	89.80	90.75
4258	NYSE	DRQ	Thu, Sep 25, 2014	91.44	91.44	89.61	90.17
4257	NYSE	DRQ	Wed, Sep 24, 2014	91.27	92.20	90.35	91.47
4256	NYSE	DRQ	Tue, Sep 23, 2014	90.81	92.22	90.47	91.35
4255	NYSE	DRQ	Mon, Sep 22, 2014	90.88	91.76	89.97	90.95
4254	NYSE	DRQ	Fri, Sep 19, 2014	92.87	93.15	91.07	91.21
4253	NYSE	DRQ	Thu, Sep 18, 2014	91.92	92.59	90.80	92.37
4252	NYSE	DRQ	Wed, Sep 17, 2014	92.67	93.46	91.35	91.47
4251	NYSE	DRQ	Tue, Sep 16, 2014	92.85	93.70	92.25	92.70
4250	NYSE	DRQ	Mon, Sep 15, 2014	93.44	94.38	93.23	93.57
4249	NYSE	DRQ	Fri, Sep 12, 2014	95.37	95.37	93.79	93.80
4248	NYSE	DRQ	Thu, Sep 11, 2014	93.79	95.81	93.32	95.81
4247	NYSE	DRQ	Wed, Sep 10, 2014	93.61	94.52	92.55	94.25
4246	NYSE	DRQ	Tue, Sep 9, 2014	93.40	94.73	92.69	93.30
4245	NYSE	DRQ	Mon, Sep 8, 2014	96.71	96.71	92.70	93.42
4244	NYSE	DRQ	Fri, Sep 5, 2014	95.79	96.72	94.66	96.71
4243	NYSE	DRQ	Thu, Sep 4, 2014	100.17	100.17	95.16	95.60
4242	NYSE	DRQ	Wed, Sep 3, 2014	100.56	101.39	100.04	100.28
4241	NYSE	DRQ	Tue, Sep 2, 2014	101.51	102.00	100.22	100.55
4240	NYSE	DRQ	Fri, Aug 29, 2014	100.78	101.59	100.78	101.47
4239	NYSE	DRQ	Thu, Aug 28, 2014	100.71	101.63	100.57	100.75
4238	NYSE	DRQ	Wed, Aug 27, 2014	100.00	101.48	100.00	101.09
4237	NYSE	DRQ	Tue, Aug 26, 2014	99.89	100.90	99.59	100.01
4236	NYSE	DRQ	Mon, Aug 25, 2014	99.37	99.83	98.74	99.59
4235	NYSE	DRQ	Fri, Aug 22, 2014	100.07	100.07	98.41	98.86
4234	NYSE	DRQ	Thu, Aug 21, 2014	100.28	101.08	98.81	100.34
4233	NYSE	DRQ	Wed, Aug 20, 2014	99.33	100.40	98.68	100.20
4232	NYSE	DRQ	Tue, Aug 19, 2014	99.86	100.33	99.49	99.62
4231	NYSE	DRQ	Mon, Aug 18, 2014	101.00	101.00	98.95	99.62
4230	NYSE	DRQ	Fri, Aug 15, 2014	98.78	100.64	98.47	100.34
4229	NYSE	DRQ	Thu, Aug 14, 2014	100.14	100.37	97.87	98.02
4228	NYSE	DRQ	Wed, Aug 13, 2014	99.45	100.11	99.27	99.96
4227	NYSE	DRQ	Tue, Aug 12, 2014	99.11	99.55	97.96	98.85
4226	NYSE	DRQ	Mon, Aug 11, 2014	100.35	100.97	99.37	99.47
4225	NYSE	DRQ	Fri, Aug 8, 2014	98.33	99.96	97.93	99.72
4224	NYSE	DRQ	Thu, Aug 7, 2014	99.29	99.48	97.87	98.30
4223	NYSE	DRQ	Wed, Aug 6, 2014	98.05	99.96	98.05	98.96
4222	NYSE	DRQ	Tue, Aug 5, 2014	100.54	100.54	97.81	98.59
4221	NYSE	DRQ	Mon, Aug 4, 2014	99.90	101.10	98.37	100.80
4220	NYSE	DRQ	Fri, Aug 1, 2014	100.32	100.47	98.18	99.70
4219	NYSE	DRQ	Thu, Jul 31, 2014	101.90	102.95	99.84	100.77
4218	NYSE	DRQ	Wed, Jul 30, 2014	104.32	105.99	101.03	102.57
4217	NYSE	DRQ	Tue, Jul 29, 2014	105.94	106.89	105.51	105.67
4216	NYSE	DRQ	Mon, Jul 28, 2014	106.17	106.37	105.37	106.08
4215	NYSE	DRQ	Fri, Jul 25, 2014	106.47	107.23	105.52	106.36
4214	NYSE	DRQ	Thu, Jul 24, 2014	106.52	107.01	105.84	106.56
4213	NYSE	DRQ	Wed, Jul 23, 2014	105.73	106.41	104.44	106.35
4212	NYSE	DRQ	Tue, Jul 22, 2014	105.82	106.64	105.36	105.60
4211	NYSE	DRQ	Mon, Jul 21, 2014	105.24	105.74	104.59	105.41
4210	NYSE	DRQ	Fri, Jul 18, 2014	104.19	105.93	103.55	105.70
4209	NYSE	DRQ	Thu, Jul 17, 2014	105.12	106.63	103.47	103.95
4208	NYSE	DRQ	Wed, Jul 16, 2014	105.73	105.82	103.92	104.91
4207	NYSE	DRQ	Tue, Jul 15, 2014	104.84	105.74	103.68	104.84
4206	NYSE	DRQ	Mon, Jul 14, 2014	104.40	105.22	103.80	105.05
4205	NYSE	DRQ	Fri, Jul 11, 2014	105.51	106.12	103.73	104.04
4204	NYSE	DRQ	Thu, Jul 10, 2014	105.73	106.62	105.03	105.61
4203	NYSE	DRQ	Wed, Jul 9, 2014	106.49	107.38	105.93	107.20
4202	NYSE	DRQ	Tue, Jul 8, 2014	105.90	107.20	105.17	106.46
4201	NYSE	DRQ	Mon, Jul 7, 2014	108.17	108.97	105.98	106.50
4200	NYSE	DRQ	Thu, Jul 3, 2014	108.66	110.17	107.99	108.58
4199	NYSE	DRQ	Wed, Jul 2, 2014	108.04	109.15	107.82	108.63
4198	NYSE	DRQ	Tue, Jul 1, 2014	109.98	110.23	108.03	108.31
4197	NYSE	DRQ	Mon, Jun 30, 2014	107.53	109.43	107.53	109.24
4196	NYSE	DRQ	Fri, Jun 27, 2014	105.82	107.66	105.28	107.49
4195	NYSE	DRQ	Thu, Jun 26, 2014	106.54	107.05	105.08	106.01
4194	NYSE	DRQ	Wed, Jun 25, 2014	105.18	107.34	104.98	106.84
4193	NYSE	DRQ	Tue, Jun 24, 2014	107.14	107.99	105.14	105.67
4192	NYSE	DRQ	Mon, Jun 23, 2014	107.23	107.82	106.71	107.14
4191	NYSE	DRQ	Fri, Jun 20, 2014	106.46	107.31	105.80	106.84
4190	NYSE	DRQ	Thu, Jun 19, 2014	106.56	106.72	105.70	106.22
4189	NYSE	DRQ	Wed, Jun 18, 2014	105.33	106.50	104.78	105.61
4188	NYSE	DRQ	Tue, Jun 17, 2014	104.57	107.28	104.57	105.28
4187	NYSE	DRQ	Mon, Jun 16, 2014	105.21	106.02	104.62	104.94
4186	NYSE	DRQ	Fri, Jun 13, 2014	103.55	105.34	102.41	105.12
4185	NYSE	DRQ	Thu, Jun 12, 2014	99.49	105.58	99.49	103.08
4184	NYSE	DRQ	Wed, Jun 11, 2014	101.45	102.06	100.78	101.78
4183	NYSE	DRQ	Tue, Jun 10, 2014	101.80	102.08	101.38	101.59
4182	NYSE	DRQ	Mon, Jun 9, 2014	102.13	103.47	101.60	101.78
4181	NYSE	DRQ	Fri, Jun 6, 2014	101.04	102.71	101.04	102.23
4180	NYSE	DRQ	Thu, Jun 5, 2014	101.39	101.74	100.60	101.20
4179	NYSE	DRQ	Wed, Jun 4, 2014	101.51	101.73	100.63	101.43
4178	NYSE	DRQ	Tue, Jun 3, 2014	101.78	102.28	100.84	101.68
4177	NYSE	DRQ	Mon, Jun 2, 2014	101.94	102.48	100.99	101.99
4176	NYSE	DRQ	Fri, May 30, 2014	102.22	102.52	101.50	102.22
4175	NYSE	DRQ	Thu, May 29, 2014	102.28	102.56	101.27	101.74
4174	NYSE	DRQ	Wed, May 28, 2014	103.15	103.25	101.25	101.64
4173	NYSE	DRQ	Tue, May 27, 2014	104.02	104.29	102.53	103.31
4172	NYSE	DRQ	Fri, May 23, 2014	103.57	104.21	103.38	103.64
4171	NYSE	DRQ	Thu, May 22, 2014	104.09	105.09	103.12	103.58
4170	NYSE	DRQ	Wed, May 21, 2014	103.27	105.26	102.79	104.46
4169	NYSE	DRQ	Tue, May 20, 2014	102.75	103.55	102.36	102.89
4168	NYSE	DRQ	Mon, May 19, 2014	103.51	104.00	102.53	102.98
4167	NYSE	DRQ	Fri, May 16, 2014	102.34	103.98	101.92	103.42
4166	NYSE	DRQ	Thu, May 15, 2014	103.73	104.12	100.29	102.76
4165	NYSE	DRQ	Wed, May 14, 2014	103.37	105.45	102.84	104.52
4164	NYSE	DRQ	Tue, May 13, 2014	101.78	104.37	101.42	103.77
4163	NYSE	DRQ	Mon, May 12, 2014	103.00	103.01	100.60	102.02
4162	NYSE	DRQ	Fri, May 9, 2014	102.28	104.25	99.00	103.22
4161	NYSE	DRQ	Thu, May 8, 2014	114.05	114.47	111.70	111.79
4160	NYSE	DRQ	Wed, May 7, 2014	114.19	114.74	111.79	114.19
4159	NYSE	DRQ	Tue, May 6, 2014	112.35	114.00	112.35	113.47
4158	NYSE	DRQ	Mon, May 5, 2014	112.59	114.64	111.60	112.85
4157	NYSE	DRQ	Fri, May 2, 2014	112.18	113.91	112.05	113.08
4156	NYSE	DRQ	Thu, May 1, 2014	113.38	113.56	111.81	112.17
4155	NYSE	DRQ	Wed, Apr 30, 2014	112.04	113.43	110.71	113.12
4154	NYSE	DRQ	Tue, Apr 29, 2014	114.00	115.00	112.00	112.17
4153	NYSE	DRQ	Mon, Apr 28, 2014	114.25	114.25	111.93	113.27
4152	NYSE	DRQ	Fri, Apr 25, 2014	113.87	114.82	112.98	113.74
4151	NYSE	DRQ	Thu, Apr 24, 2014	113.45	114.70	112.01	114.27
4150	NYSE	DRQ	Wed, Apr 23, 2014	112.80	114.68	112.80	112.97
4149	NYSE	DRQ	Tue, Apr 22, 2014	112.70	112.75	111.37	112.43
4148	NYSE	DRQ	Mon, Apr 21, 2014	112.36	113.42	111.96	112.66
4147	NYSE	DRQ	Thu, Apr 17, 2014	110.73	112.67	110.23	112.06
4146	NYSE	DRQ	Wed, Apr 16, 2014	110.59	111.05	109.52	110.45
4145	NYSE	DRQ	Tue, Apr 15, 2014	109.85	110.95	108.31	110.20
4144	NYSE	DRQ	Mon, Apr 14, 2014	109.25	110.16	107.68	109.41
4143	NYSE	DRQ	Fri, Apr 11, 2014	108.56	109.43	108.05	108.20
4142	NYSE	DRQ	Thu, Apr 10, 2014	111.30	112.07	109.31	109.81
4141	NYSE	DRQ	Wed, Apr 9, 2014	112.29	113.02	110.25	111.34
4140	NYSE	DRQ	Tue, Apr 8, 2014	110.24	112.30	110.23	111.98
4139	NYSE	DRQ	Mon, Apr 7, 2014	111.84	112.39	109.64	110.23
4138	NYSE	DRQ	Fri, Apr 4, 2014	115.24	115.24	111.85	112.36
4137	NYSE	DRQ	Thu, Apr 3, 2014	115.64	116.53	114.09	114.30
4136	NYSE	DRQ	Wed, Apr 2, 2014	113.23	116.32	112.45	115.81
4135	NYSE	DRQ	Tue, Apr 1, 2014	111.99	113.58	111.31	113.23
4134	NYSE	DRQ	Mon, Mar 31, 2014	112.86	112.86	110.91	112.10
4133	NYSE	DRQ	Fri, Mar 28, 2014	110.00	112.11	109.70	111.73
4132	NYSE	DRQ	Thu, Mar 27, 2014	108.09	109.90	108.00	109.84
4131	NYSE	DRQ	Wed, Mar 26, 2014	109.94	110.19	108.05	108.10
4130	NYSE	DRQ	Tue, Mar 25, 2014	108.10	109.78	107.13	109.57
4129	NYSE	DRQ	Mon, Mar 24, 2014	107.73	107.73	106.04	106.99
4128	NYSE	DRQ	Fri, Mar 21, 2014	107.11	107.65	106.37	107.00
4127	NYSE	DRQ	Thu, Mar 20, 2014	104.12	106.77	103.72	106.23
4126	NYSE	DRQ	Wed, Mar 19, 2014	103.28	104.26	102.90	103.98
4125	NYSE	DRQ	Tue, Mar 18, 2014	102.14	103.48	101.94	103.35
4124	NYSE	DRQ	Mon, Mar 17, 2014	100.38	102.30	100.33	101.64
4123	NYSE	DRQ	Fri, Mar 14, 2014	99.46	100.64	99.01	100.32
4122	NYSE	DRQ	Thu, Mar 13, 2014	102.88	102.88	99.40	99.64
4121	NYSE	DRQ	Wed, Mar 12, 2014	102.00	103.12	101.22	102.53
4120	NYSE	DRQ	Tue, Mar 11, 2014	103.83	104.00	102.39	102.74
4119	NYSE	DRQ	Mon, Mar 10, 2014	104.30	104.67	102.54	103.55
4118	NYSE	DRQ	Fri, Mar 7, 2014	104.36	104.88	103.35	104.31
4117	NYSE	DRQ	Thu, Mar 6, 2014	104.01	105.14	102.64	104.04
4116	NYSE	DRQ	Wed, Mar 5, 2014	105.28	105.62	103.51	103.82
4115	NYSE	DRQ	Tue, Mar 4, 2014	108.17	108.32	105.20	105.40
4114	NYSE	DRQ	Mon, Mar 3, 2014	106.42	109.86	106.12	106.96
4113	NYSE	DRQ	Fri, Feb 28, 2014	99.43	110.11	99.07	107.56
4112	NYSE	DRQ	Thu, Feb 27, 2014	96.66	96.66	94.99	95.66
4111	NYSE	DRQ	Wed, Feb 26, 2014	98.62	98.62	96.58	96.61
4110	NYSE	DRQ	Tue, Feb 25, 2014	100.00	100.16	97.75	98.11
4109	NYSE	DRQ	Mon, Feb 24, 2014	97.86	100.55	97.63	100.01
4108	NYSE	DRQ	Fri, Feb 21, 2014	99.62	100.18	97.71	97.82
4107	NYSE	DRQ	Thu, Feb 20, 2014	100.88	101.00	98.63	99.52
4106	NYSE	DRQ	Wed, Feb 19, 2014	102.82	103.70	100.70	100.75
4105	NYSE	DRQ	Tue, Feb 18, 2014	103.05	103.61	101.77	102.95
4104	NYSE	DRQ	Fri, Feb 14, 2014	101.67	102.73	100.73	102.67
4103	NYSE	DRQ	Thu, Feb 13, 2014	98.85	101.90	98.81	101.32
4102	NYSE	DRQ	Wed, Feb 12, 2014	99.77	100.70	99.16	99.62
4101	NYSE	DRQ	Tue, Feb 11, 2014	97.86	99.99	97.51	99.78
4100	NYSE	DRQ	Mon, Feb 10, 2014	99.00	99.60	96.95	97.89
4099	NYSE	DRQ	Fri, Feb 7, 2014	100.44	101.74	98.93	99.23
4098	NYSE	DRQ	Thu, Feb 6, 2014	98.79	100.64	98.71	100.36
4097	NYSE	DRQ	Wed, Feb 5, 2014	100.05	100.11	97.64	98.50
4096	NYSE	DRQ	Tue, Feb 4, 2014	98.91	100.66	98.87	100.22
4095	NYSE	DRQ	Mon, Feb 3, 2014	100.74	101.19	98.35	98.55
4094	NYSE	DRQ	Fri, Jan 31, 2014	99.96	102.78	99.96	100.56
4093	NYSE	DRQ	Thu, Jan 30, 2014	101.49	102.61	101.02	101.75
4092	NYSE	DRQ	Wed, Jan 29, 2014	99.28	100.92	99.00	100.49
4091	NYSE	DRQ	Tue, Jan 28, 2014	100.54	100.84	98.61	100.48
4090	NYSE	DRQ	Mon, Jan 27, 2014	102.86	102.86	99.17	99.55
4089	NYSE	DRQ	Fri, Jan 24, 2014	103.56	103.56	101.31	102.85
4088	NYSE	DRQ	Thu, Jan 23, 2014	107.67	107.91	104.58	104.73
4087	NYSE	DRQ	Wed, Jan 22, 2014	107.82	108.89	107.09	108.30
4086	NYSE	DRQ	Tue, Jan 21, 2014	107.97	108.63	105.76	107.38
4085	NYSE	DRQ	Fri, Jan 17, 2014	106.59	107.76	105.86	106.51
4084	NYSE	DRQ	Thu, Jan 16, 2014	107.80	107.92	105.87	106.29
4083	NYSE	DRQ	Wed, Jan 15, 2014	107.91	108.35	106.80	107.86
4082	NYSE	DRQ	Tue, Jan 14, 2014	104.79	107.98	104.78	107.88
4081	NYSE	DRQ	Mon, Jan 13, 2014	106.30	107.27	104.54	104.77
4080	NYSE	DRQ	Fri, Jan 10, 2014	106.32	108.51	106.11	108.27
4079	NYSE	DRQ	Thu, Jan 9, 2014	105.33	106.90	105.33	106.28
4078	NYSE	DRQ	Wed, Jan 8, 2014	106.43	106.50	105.00	105.16
4077	NYSE	DRQ	Tue, Jan 7, 2014	105.39	107.00	105.32	106.32
4076	NYSE	DRQ	Mon, Jan 6, 2014	107.98	107.98	106.30	106.45
4075	NYSE	DRQ	Fri, Jan 3, 2014	107.96	108.63	107.00	107.28
4074	NYSE	DRQ	Thu, Jan 2, 2014	109.44	109.62	107.15	107.97
4073	NYSE	DRQ	Tue, Dec 31, 2013	109.28	110.29	108.81	109.93
4072	NYSE	DRQ	Mon, Dec 30, 2013	111.31	111.91	109.26	109.42
4071	NYSE	DRQ	Fri, Dec 27, 2013	111.06	111.96	110.50	111.11
4070	NYSE	DRQ	Thu, Dec 26, 2013	111.10	111.87	110.09	110.91
4069	NYSE	DRQ	Tue, Dec 24, 2013	109.60	110.93	109.60	110.66
4068	NYSE	DRQ	Mon, Dec 23, 2013	111.83	112.10	108.90	109.15
4067	NYSE	DRQ	Fri, Dec 20, 2013	109.02	111.33	109.00	111.25
4066	NYSE	DRQ	Thu, Dec 19, 2013	109.88	109.90	107.77	108.75
4065	NYSE	DRQ	Wed, Dec 18, 2013	109.14	110.28	106.96	109.84
4064	NYSE	DRQ	Tue, Dec 17, 2013	110.03	110.94	108.13	109.08
4063	NYSE	DRQ	Mon, Dec 16, 2013	108.56	110.45	107.79	109.99
4062	NYSE	DRQ	Fri, Dec 13, 2013	107.27	108.22	106.12	107.63
4061	NYSE	DRQ	Thu, Dec 12, 2013	106.55	108.48	106.11	107.19
4060	NYSE	DRQ	Wed, Dec 11, 2013	108.00	108.35	106.54	106.67
4059	NYSE	DRQ	Tue, Dec 10, 2013	109.30	109.99	107.92	108.09
4058	NYSE	DRQ	Mon, Dec 9, 2013	109.45	109.92	108.00	109.60
4057	NYSE	DRQ	Fri, Dec 6, 2013	113.70	113.70	109.23	109.28
4056	NYSE	DRQ	Thu, Dec 5, 2013	109.24	110.81	108.69	110.23
4055	NYSE	DRQ	Wed, Dec 4, 2013	107.52	109.64	107.19	109.34
4054	NYSE	DRQ	Tue, Dec 3, 2013	107.18	108.83	106.68	108.21
4053	NYSE	DRQ	Mon, Dec 2, 2013	106.86	108.66	104.52	107.70
4052	NYSE	DRQ	Fri, Nov 29, 2013	109.05	109.61	108.32	108.56
4051	NYSE	DRQ	Wed, Nov 27, 2013	110.08	110.50	107.92	108.93
4050	NYSE	DRQ	Tue, Nov 26, 2013	109.27	110.95	108.54	110.42
4049	NYSE	DRQ	Mon, Nov 25, 2013	112.76	112.82	109.20	109.58
4048	NYSE	DRQ	Fri, Nov 22, 2013	113.54	113.54	112.28	112.77
4047	NYSE	DRQ	Thu, Nov 21, 2013	111.40	113.38	111.35	113.30
4046	NYSE	DRQ	Wed, Nov 20, 2013	111.85	112.51	110.44	110.74
4045	NYSE	DRQ	Tue, Nov 19, 2013	113.08	113.23	110.73	110.77
4044	NYSE	DRQ	Mon, Nov 18, 2013	115.44	115.60	112.94	113.27
4043	NYSE	DRQ	Fri, Nov 15, 2013	115.57	115.96	114.32	115.29
4042	NYSE	DRQ	Thu, Nov 14, 2013	114.33	115.26	113.56	115.12
4041	NYSE	DRQ	Wed, Nov 13, 2013	111.51	114.06	110.63	113.98
4040	NYSE	DRQ	Tue, Nov 12, 2013	113.50	113.79	111.38	111.92
4039	NYSE	DRQ	Mon, Nov 11, 2013	114.12	115.00	113.02	113.61
4038	NYSE	DRQ	Fri, Nov 8, 2013	111.94	115.44	111.32	114.72
4037	NYSE	DRQ	Thu, Nov 7, 2013	116.02	117.19	111.79	111.88
4036	NYSE	DRQ	Wed, Nov 6, 2013	115.59	117.61	115.18	115.83
4035	NYSE	DRQ	Tue, Nov 5, 2013	116.23	116.34	114.18	115.09
4034	NYSE	DRQ	Mon, Nov 4, 2013	114.21	117.34	113.94	116.34
4033	NYSE	DRQ	Fri, Nov 1, 2013	117.81	117.81	108.61	110.82
4032	NYSE	DRQ	Thu, Oct 31, 2013	117.68	119.13	116.74	117.42
4031	NYSE	DRQ	Wed, Oct 30, 2013	119.30	119.81	117.09	117.75
4030	NYSE	DRQ	Tue, Oct 29, 2013	117.30	118.92	117.30	118.86
4029	NYSE	DRQ	Mon, Oct 28, 2013	116.35	116.86	115.87	116.83
4028	NYSE	DRQ	Fri, Oct 25, 2013	115.21	116.55	114.01	116.38
4027	NYSE	DRQ	Thu, Oct 24, 2013	115.90	115.90	114.42	114.76
4026	NYSE	DRQ	Wed, Oct 23, 2013	118.30	118.30	115.18	115.41
4025	NYSE	DRQ	Tue, Oct 22, 2013	118.66	121.07	118.66	119.18
4024	NYSE	DRQ	Mon, Oct 21, 2013	119.21	119.93	117.19	117.81
4023	NYSE	DRQ	Fri, Oct 18, 2013	118.66	119.43	118.55	119.38
4022	NYSE	DRQ	Thu, Oct 17, 2013	119.23	119.61	117.71	118.00
4021	NYSE	DRQ	Wed, Oct 16, 2013	118.19	119.42	117.91	119.22
4020	NYSE	DRQ	Tue, Oct 15, 2013	117.74	118.14	116.39	117.72
4019	NYSE	DRQ	Mon, Oct 14, 2013	116.32	118.09	115.73	118.06
4018	NYSE	DRQ	Fri, Oct 11, 2013	115.48	117.47	114.97	116.81
4017	NYSE	DRQ	Thu, Oct 10, 2013	114.88	116.03	114.29	115.91
4016	NYSE	DRQ	Wed, Oct 9, 2013	114.39	114.64	112.56	113.52
4015	NYSE	DRQ	Tue, Oct 8, 2013	116.00	116.25	113.62	114.28
4014	NYSE	DRQ	Mon, Oct 7, 2013	115.50	116.72	115.10	115.80
4013	NYSE	DRQ	Fri, Oct 4, 2013	115.87	117.14	115.31	116.26
4012	NYSE	DRQ	Thu, Oct 3, 2013	116.12	116.48	114.09	115.67
4011	NYSE	DRQ	Wed, Oct 2, 2013	115.48	116.23	114.48	116.16
4010	NYSE	DRQ	Tue, Oct 1, 2013	114.63	116.41	114.54	116.15
4009	NYSE	DRQ	Mon, Sep 30, 2013	113.07	114.84	112.51	114.75
4008	NYSE	DRQ	Fri, Sep 27, 2013	114.47	114.64	113.25	114.18
4007	NYSE	DRQ	Thu, Sep 26, 2013	115.15	115.24	114.00	114.93
4006	NYSE	DRQ	Wed, Sep 25, 2013	114.69	115.53	114.31	114.72
4005	NYSE	DRQ	Tue, Sep 24, 2013	114.13	115.35	112.53	114.42
4004	NYSE	DRQ	Mon, Sep 23, 2013	113.92	114.85	112.81	113.67
4003	NYSE	DRQ	Fri, Sep 20, 2013	115.26	115.56	113.71	114.20
4002	NYSE	DRQ	Thu, Sep 19, 2013	114.78	115.15	113.27	114.97
4001	NYSE	DRQ	Wed, Sep 18, 2013	113.93	114.41	112.47	114.18
4000	NYSE	DRQ	Tue, Sep 17, 2013	113.11	115.08	112.97	113.80
3999	NYSE	DRQ	Mon, Sep 16, 2013	113.27	114.14	112.27	113.23
3998	NYSE	DRQ	Fri, Sep 13, 2013	111.80	112.54	110.82	112.22
3997	NYSE	DRQ	Thu, Sep 12, 2013	111.30	111.95	109.96	111.81
3996	NYSE	DRQ	Wed, Sep 11, 2013	109.61	111.39	108.81	111.30
3995	NYSE	DRQ	Tue, Sep 10, 2013	108.90	109.35	107.81	109.35
3994	NYSE	DRQ	Mon, Sep 9, 2013	106.81	108.58	106.45	108.54
3993	NYSE	DRQ	Fri, Sep 6, 2013	107.59	108.02	105.60	106.19
3992	NYSE	DRQ	Thu, Sep 5, 2013	105.23	108.30	105.22	106.79
3991	NYSE	DRQ	Wed, Sep 4, 2013	103.12	105.54	102.89	105.22
3990	NYSE	DRQ	Tue, Sep 3, 2013	103.50	103.57	101.21	102.81
3989	NYSE	DRQ	Fri, Aug 30, 2013	103.48	103.58	101.91	102.01
3988	NYSE	DRQ	Thu, Aug 29, 2013	105.00	105.15	103.16	103.38
3987	NYSE	DRQ	Wed, Aug 28, 2013	104.57	105.31	103.50	104.99
3986	NYSE	DRQ	Tue, Aug 27, 2013	104.00	104.71	102.89	103.09
3985	NYSE	DRQ	Mon, Aug 26, 2013	104.11	105.56	103.96	104.93
3984	NYSE	DRQ	Fri, Aug 23, 2013	105.16	106.16	103.80	103.91
3983	NYSE	DRQ	Thu, Aug 22, 2013	103.69	105.99	103.46	105.16
3982	NYSE	DRQ	Wed, Aug 21, 2013	104.25	104.47	103.00	103.47
3981	NYSE	DRQ	Tue, Aug 20, 2013	102.32	104.21	102.02	103.82
3980	NYSE	DRQ	Mon, Aug 19, 2013	101.89	102.70	101.89	102.41
3979	NYSE	DRQ	Fri, Aug 16, 2013	101.91	102.89	101.87	102.37
3978	NYSE	DRQ	Thu, Aug 15, 2013	102.14	102.38	101.31	102.26
3977	NYSE	DRQ	Wed, Aug 14, 2013	102.97	103.48	102.35	102.39
3976	NYSE	DRQ	Tue, Aug 13, 2013	102.10	103.22	101.62	102.91
3975	NYSE	DRQ	Mon, Aug 12, 2013	101.44	102.46	100.88	102.17
3974	NYSE	DRQ	Fri, Aug 9, 2013	101.60	102.30	100.66	101.66
3973	NYSE	DRQ	Thu, Aug 8, 2013	101.87	102.53	101.50	101.94
3972	NYSE	DRQ	Wed, Aug 7, 2013	100.67	101.64	99.57	101.61
3971	NYSE	DRQ	Tue, Aug 6, 2013	102.67	103.24	100.93	101.09
3970	NYSE	DRQ	Mon, Aug 5, 2013	102.05	103.67	101.81	102.66
3969	NYSE	DRQ	Fri, Aug 2, 2013	96.25	101.36	95.61	101.01
3968	NYSE	DRQ	Thu, Aug 1, 2013	91.99	94.31	91.30	93.54
3967	NYSE	DRQ	Wed, Jul 31, 2013	91.42	91.71	90.79	90.91
3966	NYSE	DRQ	Tue, Jul 30, 2013	91.03	91.33	89.97	91.04
3965	NYSE	DRQ	Mon, Jul 29, 2013	91.44	91.44	90.31	90.88
3964	NYSE	DRQ	Fri, Jul 26, 2013	92.20	92.20	91.09	91.57
3963	NYSE	DRQ	Thu, Jul 25, 2013	92.26	93.29	92.12	92.52
3962	NYSE	DRQ	Wed, Jul 24, 2013	93.93	94.38	92.30	92.56
3961	NYSE	DRQ	Tue, Jul 23, 2013	94.84	95.02	93.73	93.92
3960	NYSE	DRQ	Mon, Jul 22, 2013	95.16	95.66	94.36	94.68
3959	NYSE	DRQ	Fri, Jul 19, 2013	94.31	95.14	94.15	95.04
3958	NYSE	DRQ	Thu, Jul 18, 2013	94.67	95.11	94.35	94.64
3957	NYSE	DRQ	Wed, Jul 17, 2013	95.09	95.20	94.03	94.35
3956	NYSE	DRQ	Tue, Jul 16, 2013	94.93	95.22	93.70	94.52
3955	NYSE	DRQ	Mon, Jul 15, 2013	94.97	95.35	93.82	94.68
3954	NYSE	DRQ	Fri, Jul 12, 2013	94.55	95.02	94.18	94.76
3953	NYSE	DRQ	Thu, Jul 11, 2013	96.05	96.22	94.37	94.94
3952	NYSE	DRQ	Wed, Jul 10, 2013	95.81	96.25	94.76	95.22
3951	NYSE	DRQ	Tue, Jul 9, 2013	95.75	96.25	95.36	95.99
3950	NYSE	DRQ	Mon, Jul 8, 2013	94.58	95.83	94.58	95.52
3949	NYSE	DRQ	Fri, Jul 5, 2013	92.94	94.59	92.49	94.46
3948	NYSE	DRQ	Wed, Jul 3, 2013	91.95	92.89	91.61	92.54
3947	NYSE	DRQ	Tue, Jul 2, 2013	91.98	93.63	91.94	92.51
3946	NYSE	DRQ	Mon, Jul 1, 2013	91.20	93.26	90.64	91.95
3945	NYSE	DRQ	Fri, Jun 28, 2013	89.25	91.34	88.93	90.29
3944	NYSE	DRQ	Thu, Jun 27, 2013	89.78	89.94	88.30	89.32
3943	NYSE	DRQ	Wed, Jun 26, 2013	89.97	89.97	88.16	88.89
3942	NYSE	DRQ	Tue, Jun 25, 2013	89.60	89.99	88.17	89.04
3941	NYSE	DRQ	Mon, Jun 24, 2013	87.80	89.10	86.48	88.30
3940	NYSE	DRQ	Fri, Jun 21, 2013	89.45	90.51	87.96	89.50
3939	NYSE	DRQ	Thu, Jun 20, 2013	90.05	90.67	89.45	90.14
3938	NYSE	DRQ	Wed, Jun 19, 2013	92.50	92.82	91.70	91.85
3937	NYSE	DRQ	Tue, Jun 18, 2013	91.83	93.21	91.25	92.50
3936	NYSE	DRQ	Mon, Jun 17, 2013	90.32	92.01	90.32	91.44
3935	NYSE	DRQ	Fri, Jun 14, 2013	90.16	90.75	89.27	89.54
3934	NYSE	DRQ	Thu, Jun 13, 2013	89.25	90.54	88.90	89.90
3933	NYSE	DRQ	Wed, Jun 12, 2013	90.57	90.57	88.96	89.20
3932	NYSE	DRQ	Tue, Jun 11, 2013	89.55	90.38	88.64	89.76
3931	NYSE	DRQ	Mon, Jun 10, 2013	92.01	92.06	90.35	90.89
3930	NYSE	DRQ	Fri, Jun 7, 2013	90.73	92.07	90.08	91.86
3929	NYSE	DRQ	Thu, Jun 6, 2013	89.35	90.68	89.08	90.67
3928	NYSE	DRQ	Wed, Jun 5, 2013	89.87	90.76	89.30	89.40
3927	NYSE	DRQ	Tue, Jun 4, 2013	91.23	92.02	89.50	90.01
3926	NYSE	DRQ	Mon, Jun 3, 2013	90.54	91.80	89.69	91.62
3925	NYSE	DRQ	Fri, May 31, 2013	92.05	92.21	90.41	90.45
3924	NYSE	DRQ	Thu, May 30, 2013	93.09	93.43	91.77	92.68
3923	NYSE	DRQ	Wed, May 29, 2013	94.01	94.41	92.96	93.41
3922	NYSE	DRQ	Tue, May 28, 2013	92.89	95.44	91.98	94.81
3921	NYSE	DRQ	Fri, May 24, 2013	90.23	91.00	89.36	90.91
3920	NYSE	DRQ	Thu, May 23, 2013	89.99	91.28	89.70	91.27
3919	NYSE	DRQ	Wed, May 22, 2013	92.59	93.12	90.50	91.11
3918	NYSE	DRQ	Tue, May 21, 2013	93.16	93.55	92.18	92.60
3917	NYSE	DRQ	Mon, May 20, 2013	92.61	93.37	92.29	93.26
3916	NYSE	DRQ	Fri, May 17, 2013	92.33	93.30	91.93	92.92
3915	NYSE	DRQ	Thu, May 16, 2013	92.50	92.53	91.06	91.38
3914	NYSE	DRQ	Wed, May 15, 2013	91.29	92.48	90.94	92.18
3913	NYSE	DRQ	Tue, May 14, 2013	90.85	92.00	90.85	92.00
3912	NYSE	DRQ	Mon, May 13, 2013	90.87	91.27	90.47	91.07
3911	NYSE	DRQ	Fri, May 10, 2013	90.93	91.27	90.16	90.97
3910	NYSE	DRQ	Thu, May 9, 2013	91.67	91.99	90.31	91.08
3909	NYSE	DRQ	Wed, May 8, 2013	91.27	91.68	90.19	91.67
3908	NYSE	DRQ	Tue, May 7, 2013	89.00	91.15	88.60	91.14
3907	NYSE	DRQ	Mon, May 6, 2013	87.22	89.41	87.22	88.99
3906	NYSE	DRQ	Fri, May 3, 2013	87.00	87.95	85.70	87.58
3905	NYSE	DRQ	Thu, May 2, 2013	83.81	85.06	83.05	84.80
3904	NYSE	DRQ	Wed, May 1, 2013	82.80	83.62	82.59	83.44
3903	NYSE	DRQ	Tue, Apr 30, 2013	82.11	83.71	81.79	83.71
3902	NYSE	DRQ	Mon, Apr 29, 2013	81.27	82.45	80.57	82.15
3901	NYSE	DRQ	Fri, Apr 26, 2013	80.79	81.55	80.09	80.80
3900	NYSE	DRQ	Thu, Apr 25, 2013	80.90	81.83	80.47	80.83
3899	NYSE	DRQ	Wed, Apr 24, 2013	79.44	81.42	79.44	81.01
3898	NYSE	DRQ	Tue, Apr 23, 2013	78.83	79.51	78.42	79.36
3897	NYSE	DRQ	Mon, Apr 22, 2013	78.33	78.76	77.48	78.64
3896	NYSE	DRQ	Fri, Apr 19, 2013	78.04	78.17	76.44	77.73
3895	NYSE	DRQ	Thu, Apr 18, 2013	78.06	78.95	77.13	78.02
3894	NYSE	DRQ	Wed, Apr 17, 2013	78.79	79.04	76.56	77.42
3893	NYSE	DRQ	Tue, Apr 16, 2013	79.89	80.20	78.17	79.71
3892	NYSE	DRQ	Mon, Apr 15, 2013	82.23	82.29	78.98	79.00
3891	NYSE	DRQ	Fri, Apr 12, 2013	84.92	84.92	82.73	83.37
3890	NYSE	DRQ	Thu, Apr 11, 2013	85.87	86.43	85.18	85.72
3889	NYSE	DRQ	Wed, Apr 10, 2013	84.97	86.41	84.67	85.78
3888	NYSE	DRQ	Tue, Apr 9, 2013	84.66	85.36	83.87	84.93
3887	NYSE	DRQ	Mon, Apr 8, 2013	84.02	84.83	82.80	84.79
3886	NYSE	DRQ	Fri, Apr 5, 2013	81.05	83.11	80.96	83.06
3885	NYSE	DRQ	Thu, Apr 4, 2013	82.55	82.87	81.81	82.59
3884	NYSE	DRQ	Wed, Apr 3, 2013	84.92	85.15	81.53	82.62
3883	NYSE	DRQ	Tue, Apr 2, 2013	85.54	86.11	84.59	85.13
3882	NYSE	DRQ	Mon, Apr 1, 2013	87.20	87.39	85.13	85.60
3881	NYSE	DRQ	Thu, Mar 28, 2013	87.80	88.12	86.98	87.17
3880	NYSE	DRQ	Wed, Mar 27, 2013	87.22	87.99	87.12	87.80
3879	NYSE	DRQ	Tue, Mar 26, 2013	87.21	88.12	86.75	88.00
3878	NYSE	DRQ	Mon, Mar 25, 2013	86.22	87.50	85.39	86.99
3877	NYSE	DRQ	Fri, Mar 22, 2013	86.10	86.44	85.30	86.20
3876	NYSE	DRQ	Thu, Mar 21, 2013	85.13	86.39	85.03	85.83
3875	NYSE	DRQ	Wed, Mar 20, 2013	85.03	86.28	84.92	85.90
3874	NYSE	DRQ	Tue, Mar 19, 2013	84.49	84.86	83.66	84.57
3873	NYSE	DRQ	Mon, Mar 18, 2013	83.62	84.97	83.53	84.49
3872	NYSE	DRQ	Fri, Mar 15, 2013	84.25	85.57	84.16	85.13
3871	NYSE	DRQ	Thu, Mar 14, 2013	83.83	85.12	83.39	84.93
3870	NYSE	DRQ	Wed, Mar 13, 2013	84.68	84.98	83.27	83.37
3869	NYSE	DRQ	Tue, Mar 12, 2013	83.74	83.99	82.86	83.69
3868	NYSE	DRQ	Mon, Mar 11, 2013	83.15	83.55	82.72	83.52
3867	NYSE	DRQ	Fri, Mar 8, 2013	83.76	84.08	82.75	83.65
3866	NYSE	DRQ	Thu, Mar 7, 2013	83.64	84.22	82.59	82.75
3865	NYSE	DRQ	Wed, Mar 6, 2013	81.42	82.45	80.61	80.99
3864	NYSE	DRQ	Tue, Mar 5, 2013	80.64	81.62	79.72	81.44
3863	NYSE	DRQ	Mon, Mar 4, 2013	80.63	81.19	79.13	80.04
3862	NYSE	DRQ	Fri, Mar 1, 2013	81.42	81.71	78.28	80.87
3861	NYSE	DRQ	Thu, Feb 28, 2013	82.38	82.81	81.03	82.23
3860	NYSE	DRQ	Wed, Feb 27, 2013	80.34	82.61	80.34	82.16
3859	NYSE	DRQ	Tue, Feb 26, 2013	80.04	80.65	78.99	80.24
3858	NYSE	DRQ	Mon, Feb 25, 2013	82.28	82.67	79.44	79.49
3857	NYSE	DRQ	Fri, Feb 22, 2013	81.75	82.38	81.38	81.88
3856	NYSE	DRQ	Thu, Feb 21, 2013	83.12	83.14	81.28	81.31
3855	NYSE	DRQ	Wed, Feb 20, 2013	85.24	85.55	83.04	83.11
3854	NYSE	DRQ	Tue, Feb 19, 2013	84.39	85.49	84.39	85.13
3853	NYSE	DRQ	Fri, Feb 15, 2013	84.77	85.21	83.73	84.10
3852	NYSE	DRQ	Thu, Feb 14, 2013	82.91	85.34	82.54	84.82
3851	NYSE	DRQ	Wed, Feb 13, 2013	81.89	83.18	81.49	83.17
3850	NYSE	DRQ	Tue, Feb 12, 2013	82.00	82.43	81.31	81.91
3849	NYSE	DRQ	Mon, Feb 11, 2013	81.81	81.92	80.94	81.73
3848	NYSE	DRQ	Fri, Feb 8, 2013	81.43	82.00	80.98	81.86
3847	NYSE	DRQ	Thu, Feb 7, 2013	81.22	81.52	80.54	81.09
3846	NYSE	DRQ	Wed, Feb 6, 2013	81.01	81.47	80.47	81.08
3845	NYSE	DRQ	Tue, Feb 5, 2013	81.07	81.73	80.78	81.45
3844	NYSE	DRQ	Mon, Feb 4, 2013	81.00	82.01	80.83	80.87
3843	NYSE	DRQ	Fri, Feb 1, 2013	81.38	82.09	80.31	81.78
3842	NYSE	DRQ	Thu, Jan 31, 2013	80.04	81.72	80.00	81.09
3841	NYSE	DRQ	Wed, Jan 30, 2013	81.92	82.07	80.38	80.51
3840	NYSE	DRQ	Tue, Jan 29, 2013	82.00	82.32	81.30	81.94
3839	NYSE	DRQ	Mon, Jan 28, 2013	81.99	82.00	80.91	81.63
3838	NYSE	DRQ	Fri, Jan 25, 2013	79.82	82.21	79.42	81.95
3837	NYSE	DRQ	Thu, Jan 24, 2013	79.24	83.37	78.30	79.21
3836	NYSE	DRQ	Wed, Jan 23, 2013	78.73	80.00	78.73	79.15
3835	NYSE	DRQ	Tue, Jan 22, 2013	78.11	79.64	77.57	78.94
3834	NYSE	DRQ	Fri, Jan 18, 2013	77.93	78.51	77.22	78.17
3833	NYSE	DRQ	Thu, Jan 17, 2013	78.64	78.89	77.60	77.95
3832	NYSE	DRQ	Wed, Jan 16, 2013	77.03	78.49	76.96	78.18
3831	NYSE	DRQ	Tue, Jan 15, 2013	75.36	77.64	75.36	77.33
3830	NYSE	DRQ	Mon, Jan 14, 2013	76.26	76.63	75.38	75.74
3829	NYSE	DRQ	Fri, Jan 11, 2013	76.78	77.34	76.33	76.70
3828	NYSE	DRQ	Thu, Jan 10, 2013	76.85	76.98	75.67	76.54
3827	NYSE	DRQ	Wed, Jan 9, 2013	76.16	76.45	75.79	76.43
3826	NYSE	DRQ	Tue, Jan 8, 2013	75.94	76.49	75.67	76.01
3825	NYSE	DRQ	Mon, Jan 7, 2013	75.74	76.19	74.94	76.02
3824	NYSE	DRQ	Fri, Jan 4, 2013	76.08	76.74	75.75	76.21
3823	NYSE	DRQ	Thu, Jan 3, 2013	75.18	76.36	75.10	75.83
3822	NYSE	DRQ	Wed, Jan 2, 2013	74.70	75.29	73.70	75.28
3821	NYSE	DRQ	Mon, Dec 31, 2012	71.10	73.19	71.10	73.05
3820	NYSE	DRQ	Fri, Dec 28, 2012	70.76	71.78	70.12	71.05
3819	NYSE	DRQ	Thu, Dec 27, 2012	70.29	71.59	69.81	71.30
3818	NYSE	DRQ	Wed, Dec 26, 2012	71.44	71.63	70.05	70.25
3817	NYSE	DRQ	Mon, Dec 24, 2012	71.52	71.74	70.87	71.05
3816	NYSE	DRQ	Fri, Dec 21, 2012	72.12	72.75	71.24	71.71
3815	NYSE	DRQ	Thu, Dec 20, 2012	72.09	73.54	72.09	72.87
3814	NYSE	DRQ	Wed, Dec 19, 2012	72.44	73.10	71.57	71.60
3813	NYSE	DRQ	Tue, Dec 18, 2012	70.00	72.64	69.51	72.44
3812	NYSE	DRQ	Mon, Dec 17, 2012	71.01	71.01	69.80	70.26
3811	NYSE	DRQ	Fri, Dec 14, 2012	70.87	71.65	70.70	70.84
3810	NYSE	DRQ	Thu, Dec 13, 2012	71.21	72.50	70.95	71.84
3809	NYSE	DRQ	Wed, Dec 12, 2012	71.90	72.17	71.03	71.27
3808	NYSE	DRQ	Tue, Dec 11, 2012	71.01	71.87	70.63	71.53
3807	NYSE	DRQ	Mon, Dec 10, 2012	70.70	70.85	69.96	70.67
3806	NYSE	DRQ	Fri, Dec 7, 2012	70.66	70.95	70.16	70.59
3805	NYSE	DRQ	Thu, Dec 6, 2012	70.22	70.46	69.73	70.22
3804	NYSE	DRQ	Wed, Dec 5, 2012	71.01	71.67	70.32	70.42
3803	NYSE	DRQ	Tue, Dec 4, 2012	70.68	71.44	70.48	70.81
3802	NYSE	DRQ	Mon, Dec 3, 2012	71.00	71.19	70.40	70.78
3801	NYSE	DRQ	Fri, Nov 30, 2012	70.69	71.18	69.89	70.37
3800	NYSE	DRQ	Thu, Nov 29, 2012	70.23	71.28	70.08	70.43
3799	NYSE	DRQ	Wed, Nov 28, 2012	68.38	69.82	67.82	69.77
3798	NYSE	DRQ	Tue, Nov 27, 2012	69.38	69.92	68.65	68.76
3797	NYSE	DRQ	Mon, Nov 26, 2012	69.93	70.37	69.30	69.54
3796	NYSE	DRQ	Fri, Nov 23, 2012	69.81	70.44	69.09	70.43
3795	NYSE	DRQ	Wed, Nov 21, 2012	69.90	70.12	68.86	69.35
3794	NYSE	DRQ	Tue, Nov 20, 2012	70.18	70.31	69.00	69.65
3793	NYSE	DRQ	Mon, Nov 19, 2012	69.56	70.65	69.08	70.65
3792	NYSE	DRQ	Fri, Nov 16, 2012	67.18	69.07	65.73	68.53
3791	NYSE	DRQ	Thu, Nov 15, 2012	66.57	68.33	66.37	67.56
3790	NYSE	DRQ	Wed, Nov 14, 2012	67.92	68.05	66.80	66.89
3789	NYSE	DRQ	Tue, Nov 13, 2012	67.20	68.89	67.20	67.60
3788	NYSE	DRQ	Mon, Nov 12, 2012	67.45	69.55	67.45	68.47
3787	NYSE	DRQ	Fri, Nov 9, 2012	66.01	67.80	65.16	66.54
3786	NYSE	DRQ	Thu, Nov 8, 2012	68.45	68.75	67.03	67.38
3785	NYSE	DRQ	Wed, Nov 7, 2012	69.10	69.10	67.59	67.77
3784	NYSE	DRQ	Tue, Nov 6, 2012	69.15	70.53	68.95	70.21
3783	NYSE	DRQ	Mon, Nov 5, 2012	67.61	69.09	66.95	68.70
3782	NYSE	DRQ	Fri, Nov 2, 2012	70.87	70.87	66.77	67.50
3781	NYSE	DRQ	Thu, Nov 1, 2012	69.16	71.07	68.85	70.72
3780	NYSE	DRQ	Wed, Oct 31, 2012	69.24	69.40	67.84	69.26
3779	NYSE	DRQ	Fri, Oct 26, 2012	69.27	69.77	68.67	69.55
3778	NYSE	DRQ	Thu, Oct 25, 2012	68.32	69.27	68.13	69.25
3777	NYSE	DRQ	Wed, Oct 24, 2012	67.75	68.04	67.34	67.94
3776	NYSE	DRQ	Tue, Oct 23, 2012	67.50	67.70	66.30	67.56
3775	NYSE	DRQ	Mon, Oct 22, 2012	68.83	69.38	67.81	68.65
3774	NYSE	DRQ	Fri, Oct 19, 2012	70.83	71.46	69.01	69.08
3773	NYSE	DRQ	Thu, Oct 18, 2012	70.87	71.50	70.49	71.33
3772	NYSE	DRQ	Wed, Oct 17, 2012	69.87	71.29	69.57	71.04
3771	NYSE	DRQ	Tue, Oct 16, 2012	69.58	70.23	69.55	69.88
3770	NYSE	DRQ	Mon, Oct 15, 2012	68.89	69.22	67.75	69.21
3769	NYSE	DRQ	Fri, Oct 12, 2012	69.25	69.34	68.26	68.66
3768	NYSE	DRQ	Thu, Oct 11, 2012	69.64	70.12	69.04	69.52
3767	NYSE	DRQ	Wed, Oct 10, 2012	69.16	69.68	68.45	68.89
3766	NYSE	DRQ	Tue, Oct 9, 2012	69.70	70.36	69.11	69.35
3765	NYSE	DRQ	Mon, Oct 8, 2012	69.46	70.03	69.18	69.82
3764	NYSE	DRQ	Fri, Oct 5, 2012	71.01	71.23	69.73	70.00
3763	NYSE	DRQ	Thu, Oct 4, 2012	69.42	70.66	68.62	70.55
3762	NYSE	DRQ	Wed, Oct 3, 2012	72.08	72.14	68.70	68.95
3761	NYSE	DRQ	Tue, Oct 2, 2012	71.69	72.26	70.97	72.18
3760	NYSE	DRQ	Mon, Oct 1, 2012	72.29	72.45	70.88	71.37
3759	NYSE	DRQ	Fri, Sep 28, 2012	72.35	72.60	71.69	71.88
3758	NYSE	DRQ	Thu, Sep 27, 2012	71.53	73.38	71.35	72.80
3757	NYSE	DRQ	Wed, Sep 26, 2012	72.00	72.00	70.89	71.10
3756	NYSE	DRQ	Tue, Sep 25, 2012	74.00	74.31	71.96	71.97
3755	NYSE	DRQ	Mon, Sep 24, 2012	73.60	73.93	72.86	73.85
3754	NYSE	DRQ	Fri, Sep 21, 2012	72.82	73.54	72.18	72.49
3753	NYSE	DRQ	Thu, Sep 20, 2012	71.91	72.35	71.35	72.05
3752	NYSE	DRQ	Wed, Sep 19, 2012	72.80	72.98	71.82	72.55
3751	NYSE	DRQ	Tue, Sep 18, 2012	73.39	73.69	72.27	72.64
3750	NYSE	DRQ	Mon, Sep 17, 2012	73.61	74.53	73.31	73.74
3749	NYSE	DRQ	Fri, Sep 14, 2012	74.81	76.03	74.35	74.67
3748	NYSE	DRQ	Thu, Sep 13, 2012	73.34	74.86	72.10	74.33
3747	NYSE	DRQ	Wed, Sep 12, 2012	73.50	74.11	72.35	73.31
3746	NYSE	DRQ	Tue, Sep 11, 2012	72.19	73.20	72.19	72.93
3745	NYSE	DRQ	Mon, Sep 10, 2012	72.41	73.25	72.17	72.20
3744	NYSE	DRQ	Fri, Sep 7, 2012	72.33	73.47	71.75	72.67
3743	NYSE	DRQ	Thu, Sep 6, 2012	70.88	72.73	70.70	71.88
3742	NYSE	DRQ	Wed, Sep 5, 2012	70.08	71.11	70.08	70.21
3741	NYSE	DRQ	Tue, Sep 4, 2012	70.00	70.94	69.12	70.32
3740	NYSE	DRQ	Fri, Aug 31, 2012	68.63	70.23	67.93	70.04
3739	NYSE	DRQ	Thu, Aug 30, 2012	68.40	68.40	67.13	67.95
3738	NYSE	DRQ	Wed, Aug 29, 2012	70.42	70.62	68.87	68.96
3737	NYSE	DRQ	Tue, Aug 28, 2012	70.90	71.06	69.91	70.47
3736	NYSE	DRQ	Mon, Aug 27, 2012	71.56	71.81	70.84	71.06
3735	NYSE	DRQ	Fri, Aug 24, 2012	73.08	73.10	71.26	71.35
3734	NYSE	DRQ	Thu, Aug 23, 2012	72.77	74.94	72.48	73.08
3733	NYSE	DRQ	Wed, Aug 22, 2012	71.34	71.87	70.84	71.34
3732	NYSE	DRQ	Tue, Aug 21, 2012	71.70	72.99	70.90	71.25
3731	NYSE	DRQ	Mon, Aug 20, 2012	71.46	72.08	70.89	71.23
3730	NYSE	DRQ	Fri, Aug 17, 2012	71.53	71.78	71.09	71.66
3729	NYSE	DRQ	Thu, Aug 16, 2012	70.96	71.87	70.56	71.67
3728	NYSE	DRQ	Wed, Aug 15, 2012	70.92	71.34	70.53	70.81
3727	NYSE	DRQ	Tue, Aug 14, 2012	72.03	72.45	70.53	70.90
3726	NYSE	DRQ	Mon, Aug 13, 2012	71.63	72.03	70.98	71.64
3725	NYSE	DRQ	Fri, Aug 10, 2012	70.79	72.01	70.17	71.89
3724	NYSE	DRQ	Thu, Aug 9, 2012	70.70	71.65	70.47	70.94
3723	NYSE	DRQ	Wed, Aug 8, 2012	70.60	71.35	70.10	70.80
3722	NYSE	DRQ	Tue, Aug 7, 2012	73.77	73.99	71.44	71.54
3721	NYSE	DRQ	Mon, Aug 6, 2012	72.43	74.53	72.22	73.58
3720	NYSE	DRQ	Fri, Aug 3, 2012	72.77	72.77	71.76	72.02
3719	NYSE	DRQ	Thu, Aug 2, 2012	71.65	72.41	70.44	71.48
3718	NYSE	DRQ	Wed, Aug 1, 2012	73.46	72.46	72.46	72.46
3717	NYSE	DRQ	Tue, Jul 31, 2012	73.34	74.64	72.59	73.31
3716	NYSE	DRQ	Mon, Jul 30, 2012	73.47	74.13	73.03	73.72
3715	NYSE	DRQ	Fri, Jul 27, 2012	72.39	74.13	71.44	73.58
3714	NYSE	DRQ	Thu, Jul 26, 2012	71.78	72.57	71.68	71.90
3713	NYSE	DRQ	Wed, Jul 25, 2012	70.44	70.92	69.15	70.12
3712	NYSE	DRQ	Tue, Jul 24, 2012	71.30	71.33	69.04	69.89
3711	NYSE	DRQ	Mon, Jul 23, 2012	69.80	71.55	69.18	71.23
3710	NYSE	DRQ	Fri, Jul 20, 2012	69.95	71.83	69.89	71.58
3709	NYSE	DRQ	Thu, Jul 19, 2012	70.82	71.86	70.28	70.42
3708	NYSE	DRQ	Wed, Jul 18, 2012	69.90	71.44	69.67	70.33
3707	NYSE	DRQ	Tue, Jul 17, 2012	70.30	71.21	69.35	70.27
3706	NYSE	DRQ	Mon, Jul 16, 2012	70.06	70.36	68.97	69.76
3705	NYSE	DRQ	Fri, Jul 13, 2012	69.18	70.40	68.95	70.30
3704	NYSE	DRQ	Thu, Jul 12, 2012	67.74	69.44	66.55	68.98
3703	NYSE	DRQ	Wed, Jul 11, 2012	67.13	68.57	66.89	68.51
3702	NYSE	DRQ	Tue, Jul 10, 2012	67.76	68.66	66.19	66.89
3701	NYSE	DRQ	Mon, Jul 9, 2012	66.90	67.81	66.42	67.61
3700	NYSE	DRQ	Fri, Jul 6, 2012	67.18	67.83	66.44	67.13
3699	NYSE	DRQ	Thu, Jul 5, 2012	68.25	68.67	67.04	68.09
3698	NYSE	DRQ	Tue, Jul 3, 2012	66.20	68.65	65.94	68.61
3697	NYSE	DRQ	Mon, Jul 2, 2012	65.59	66.55	64.84	65.87
3696	NYSE	DRQ	Fri, Jun 29, 2012	64.79	65.76	64.01	65.59
3695	NYSE	DRQ	Thu, Jun 28, 2012	61.67	63.24	61.30	63.21
3694	NYSE	DRQ	Wed, Jun 27, 2012	61.28	62.75	61.28	62.23
3693	NYSE	DRQ	Tue, Jun 26, 2012	60.47	61.18	58.87	60.84
3692	NYSE	DRQ	Mon, Jun 25, 2012	61.42	61.54	59.73	60.27
3691	NYSE	DRQ	Fri, Jun 22, 2012	62.15	62.56	60.91	62.47
3690	NYSE	DRQ	Thu, Jun 21, 2012	65.49	65.55	61.77	61.95
3689	NYSE	DRQ	Wed, Jun 20, 2012	63.99	66.57	63.48	65.68
3688	NYSE	DRQ	Tue, Jun 19, 2012	63.27	64.12	62.63	63.87
3687	NYSE	DRQ	Mon, Jun 18, 2012	61.38	62.73	61.09	62.55
3686	NYSE	DRQ	Fri, Jun 15, 2012	61.93	62.37	61.06	62.28
3685	NYSE	DRQ	Thu, Jun 14, 2012	60.91	62.40	60.74	61.71
3684	NYSE	DRQ	Wed, Jun 13, 2012	61.69	61.98	60.52	60.99
3683	NYSE	DRQ	Tue, Jun 12, 2012	60.82	62.05	60.17	62.03
3682	NYSE	DRQ	Mon, Jun 11, 2012	61.29	61.77	60.16	60.32
3681	NYSE	DRQ	Fri, Jun 8, 2012	60.33	60.55	58.87	60.44
3680	NYSE	DRQ	Thu, Jun 7, 2012	62.63	63.48	60.63	60.73
3679	NYSE	DRQ	Wed, Jun 6, 2012	60.08	61.82	60.08	61.32
3678	NYSE	DRQ	Tue, Jun 5, 2012	58.38	60.23	58.33	59.73
3677	NYSE	DRQ	Mon, Jun 4, 2012	59.01	59.72	57.27	58.72
3676	NYSE	DRQ	Fri, Jun 1, 2012	59.34	59.99	58.72	58.76
3675	NYSE	DRQ	Thu, May 31, 2012	61.40	61.45	59.02	60.59
3674	NYSE	DRQ	Wed, May 30, 2012	61.90	62.32	60.95	61.46
3673	NYSE	DRQ	Tue, May 29, 2012	62.90	64.49	62.34	63.25
3672	NYSE	DRQ	Fri, May 25, 2012	62.77	63.13	61.59	62.17
3671	NYSE	DRQ	Thu, May 24, 2012	65.05	65.05	61.75	62.47
3670	NYSE	DRQ	Wed, May 23, 2012	61.53	64.99	61.46	64.86
3669	NYSE	DRQ	Tue, May 22, 2012	62.24	63.24	61.64	62.33
3668	NYSE	DRQ	Mon, May 21, 2012	61.08	62.49	60.52	62.35
3667	NYSE	DRQ	Fri, May 18, 2012	61.15	62.48	60.52	60.87
3666	NYSE	DRQ	Thu, May 17, 2012	62.29	62.92	60.92	60.93
3665	NYSE	DRQ	Wed, May 16, 2012	62.70	63.62	62.00	62.39
3664	NYSE	DRQ	Tue, May 15, 2012	63.49	63.64	62.18	62.51
3663	NYSE	DRQ	Mon, May 14, 2012	64.01	64.06	62.77	63.50
3662	NYSE	DRQ	Fri, May 11, 2012	64.55	66.48	64.44	64.97
3661	NYSE	DRQ	Thu, May 10, 2012	65.61	65.89	64.74	65.34
3660	NYSE	DRQ	Wed, May 9, 2012	63.06	65.20	62.72	64.84
3659	NYSE	DRQ	Tue, May 8, 2012	63.80	64.38	62.28	64.15
3658	NYSE	DRQ	Mon, May 7, 2012	64.30	65.36	62.61	64.60
3657	NYSE	DRQ	Fri, May 4, 2012	65.07	65.37	63.59	64.57
3656	NYSE	DRQ	Thu, May 3, 2012	67.17	67.22	65.60	65.75
3655	NYSE	DRQ	Wed, May 2, 2012	67.18	67.72	66.68	67.16
3654	NYSE	DRQ	Tue, May 1, 2012	67.09	69.21	66.05	68.04
3653	NYSE	DRQ	Mon, Apr 30, 2012	67.37	67.84	66.43	67.39
3652	NYSE	DRQ	Fri, Apr 27, 2012	68.97	69.26	67.33	67.51
3651	NYSE	DRQ	Thu, Apr 26, 2012	67.40	68.77	66.95	68.47
3650	NYSE	DRQ	Wed, Apr 25, 2012	66.32	67.85	66.28	67.81
3649	NYSE	DRQ	Tue, Apr 24, 2012	65.60	66.31	64.58	65.69
3648	NYSE	DRQ	Mon, Apr 23, 2012	63.89	65.76	63.39	65.29
3647	NYSE	DRQ	Fri, Apr 20, 2012	67.21	67.86	65.06	65.21
3646	NYSE	DRQ	Thu, Apr 19, 2012	66.00	67.35	65.35	65.61
3645	NYSE	DRQ	Wed, Apr 18, 2012	65.50	66.47	64.95	65.75
3644	NYSE	DRQ	Tue, Apr 17, 2012	65.17	66.13	65.04	65.56
3643	NYSE	DRQ	Mon, Apr 16, 2012	65.62	65.62	64.00	64.53
3642	NYSE	DRQ	Fri, Apr 13, 2012	65.92	66.82	64.80	64.90
3641	NYSE	DRQ	Thu, Apr 12, 2012	64.40	66.99	64.35	66.38
3640	NYSE	DRQ	Wed, Apr 11, 2012	65.64	65.68	64.24	64.58
3639	NYSE	DRQ	Tue, Apr 10, 2012	65.35	65.81	63.81	64.63
3638	NYSE	DRQ	Mon, Apr 9, 2012	65.04	66.31	64.68	65.61
3637	NYSE	DRQ	Thu, Apr 5, 2012	65.97	67.38	65.86	66.65
3636	NYSE	DRQ	Wed, Apr 4, 2012	67.18	67.29	65.79	66.44
3635	NYSE	DRQ	Tue, Apr 3, 2012	67.00	68.31	66.62	68.15
3634	NYSE	DRQ	Mon, Apr 2, 2012	64.81	67.43	64.64	67.06
3633	NYSE	DRQ	Fri, Mar 30, 2012	65.65	65.99	64.81	65.02
3632	NYSE	DRQ	Thu, Mar 29, 2012	64.25	65.31	64.06	65.22
3631	NYSE	DRQ	Wed, Mar 28, 2012	65.42	65.89	63.72	64.96
3630	NYSE	DRQ	Tue, Mar 27, 2012	66.89	67.13	65.23	65.66
3629	NYSE	DRQ	Mon, Mar 26, 2012	66.47	67.10	65.76	66.89
3628	NYSE	DRQ	Fri, Mar 23, 2012	64.31	65.91	63.92	65.54
3627	NYSE	DRQ	Thu, Mar 22, 2012	64.05	64.42	62.96	63.35
3626	NYSE	DRQ	Wed, Mar 21, 2012	65.91	66.13	64.96	65.10
3625	NYSE	DRQ	Tue, Mar 20, 2012	67.50	67.50	65.95	66.02
3624	NYSE	DRQ	Mon, Mar 19, 2012	68.52	68.90	67.58	67.66
3623	NYSE	DRQ	Fri, Mar 16, 2012	68.30	69.38	68.07	68.36
3622	NYSE	DRQ	Thu, Mar 15, 2012	67.74	68.66	66.45	68.20
3621	NYSE	DRQ	Wed, Mar 14, 2012	68.28	68.47	67.35	67.47
3620	NYSE	DRQ	Tue, Mar 13, 2012	68.07	68.46	67.25	68.44
3619	NYSE	DRQ	Mon, Mar 12, 2012	68.47	68.48	66.82	67.45
3618	NYSE	DRQ	Fri, Mar 9, 2012	68.00	69.70	67.90	68.64
3617	NYSE	DRQ	Thu, Mar 8, 2012	68.16	68.93	67.54	67.97
3616	NYSE	DRQ	Wed, Mar 7, 2012	66.06	67.64	65.66	67.46
3615	NYSE	DRQ	Tue, Mar 6, 2012	65.86	66.27	65.32	65.70
3614	NYSE	DRQ	Mon, Mar 5, 2012	67.92	68.08	66.57	67.23
3613	NYSE	DRQ	Fri, Mar 2, 2012	70.61	70.83	68.15	68.38
3612	NYSE	DRQ	Thu, Mar 1, 2012	70.62	71.40	70.22	70.87
3611	NYSE	DRQ	Wed, Feb 29, 2012	70.10	71.44	69.57	69.99
3610	NYSE	DRQ	Tue, Feb 28, 2012	71.09	72.31	69.41	70.12
3609	NYSE	DRQ	Mon, Feb 27, 2012	75.81	75.81	69.86	71.45
3608	NYSE	DRQ	Fri, Feb 24, 2012	76.73	77.12	76.18	76.26
3607	NYSE	DRQ	Thu, Feb 23, 2012	75.25	76.70	74.74	76.61
3606	NYSE	DRQ	Wed, Feb 22, 2012	75.42	76.81	74.98	75.07
3605	NYSE	DRQ	Tue, Feb 21, 2012	74.96	76.65	74.71	76.10
3604	NYSE	DRQ	Fri, Feb 17, 2012	76.06	76.72	74.82	74.91
3603	NYSE	DRQ	Thu, Feb 16, 2012	74.74	76.05	74.74	75.66
3602	NYSE	DRQ	Wed, Feb 15, 2012	75.19	75.62	73.44	74.83
3601	NYSE	DRQ	Tue, Feb 14, 2012	73.68	74.91	73.27	74.90
3600	NYSE	DRQ	Mon, Feb 13, 2012	73.57	74.59	72.99	73.88
3599	NYSE	DRQ	Fri, Feb 10, 2012	70.56	73.15	70.56	72.63
3598	NYSE	DRQ	Thu, Feb 9, 2012	71.97	72.37	71.17	72.06
3597	NYSE	DRQ	Wed, Feb 8, 2012	72.41	72.49	70.49	71.74
3596	NYSE	DRQ	Tue, Feb 7, 2012	71.71	72.33	70.71	72.16
3595	NYSE	DRQ	Mon, Feb 6, 2012	69.81	71.90	69.80	71.82
3594	NYSE	DRQ	Fri, Feb 3, 2012	69.98	71.48	68.79	70.32
3593	NYSE	DRQ	Thu, Feb 2, 2012	68.94	69.49	68.68	68.99
3592	NYSE	DRQ	Wed, Feb 1, 2012	66.75	69.22	66.07	69.00
3591	NYSE	DRQ	Tue, Jan 31, 2012	66.99	67.56	65.53	65.97
3590	NYSE	DRQ	Mon, Jan 30, 2012	66.56	67.35	65.34	66.33
3589	NYSE	DRQ	Fri, Jan 27, 2012	67.21	68.54	67.07	67.44
3588	NYSE	DRQ	Thu, Jan 26, 2012	68.43	68.87	67.40	67.64
3587	NYSE	DRQ	Wed, Jan 25, 2012	65.85	68.31	65.13	67.99
3586	NYSE	DRQ	Tue, Jan 24, 2012	65.75	66.99	65.37	66.13
3585	NYSE	DRQ	Mon, Jan 23, 2012	66.54	67.29	66.22	66.42
3584	NYSE	DRQ	Fri, Jan 20, 2012	66.89	68.30	65.80	66.55
3583	NYSE	DRQ	Thu, Jan 19, 2012	66.14	67.93	65.85	67.09
3582	NYSE	DRQ	Wed, Jan 18, 2012	62.98	65.82	62.81	65.68
3581	NYSE	DRQ	Tue, Jan 17, 2012	64.37	64.63	62.75	62.88
3580	NYSE	DRQ	Fri, Jan 13, 2012	65.17	65.57	63.31	63.40
3579	NYSE	DRQ	Thu, Jan 12, 2012	66.72	67.23	65.52	65.97
3578	NYSE	DRQ	Wed, Jan 11, 2012	67.74	68.23	66.50	66.68
3577	NYSE	DRQ	Tue, Jan 10, 2012	67.37	68.56	67.37	68.27
3576	NYSE	DRQ	Mon, Jan 9, 2012	66.28	66.82	65.61	66.36
3575	NYSE	DRQ	Fri, Jan 6, 2012	65.95	66.59	65.15	65.95
3574	NYSE	DRQ	Thu, Jan 5, 2012	66.95	67.05	64.98	65.95
3573	NYSE	DRQ	Wed, Jan 4, 2012	67.19	68.47	66.40	67.71
3572	NYSE	DRQ	Tue, Jan 3, 2012	67.72	68.28	66.91	67.69
3571	NYSE	DRQ	Fri, Dec 30, 2011	65.62	66.60	65.34	65.82
3570	NYSE	DRQ	Thu, Dec 29, 2011	64.77	66.37	64.56	65.85
3569	NYSE	DRQ	Wed, Dec 28, 2011	66.05	66.10	64.35	64.48
3568	NYSE	DRQ	Tue, Dec 27, 2011	66.31	66.50	65.38	65.91
3567	NYSE	DRQ	Fri, Dec 23, 2011	67.03	67.05	65.94	66.37
3566	NYSE	DRQ	Thu, Dec 22, 2011	67.22	67.61	66.07	66.86
3565	NYSE	DRQ	Wed, Dec 21, 2011	65.51	67.18	64.54	66.73
3564	NYSE	DRQ	Tue, Dec 20, 2011	64.08	66.20	63.87	65.97
3563	NYSE	DRQ	Mon, Dec 19, 2011	64.77	65.43	62.35	62.49
3562	NYSE	DRQ	Fri, Dec 16, 2011	63.39	64.66	62.79	64.16
3561	NYSE	DRQ	Thu, Dec 15, 2011	64.48	64.59	62.36	62.85
3560	NYSE	DRQ	Wed, Dec 14, 2011	65.38	65.71	62.81	63.43
3559	NYSE	DRQ	Tue, Dec 13, 2011	69.92	70.96	65.83	66.24
3558	NYSE	DRQ	Mon, Dec 12, 2011	70.89	70.97	67.85	69.45
3557	NYSE	DRQ	Fri, Dec 9, 2011	69.66	72.70	69.28	72.28
3556	NYSE	DRQ	Thu, Dec 8, 2011	71.01	71.59	69.44	69.59
3555	NYSE	DRQ	Wed, Dec 7, 2011	72.97	72.97	70.47	71.51
3554	NYSE	DRQ	Tue, Dec 6, 2011	72.34	74.66	71.35	73.68
3553	NYSE	DRQ	Mon, Dec 5, 2011	72.43	72.96	71.65	72.35
3552	NYSE	DRQ	Fri, Dec 2, 2011	71.87	72.61	70.49	71.06
3551	NYSE	DRQ	Thu, Dec 1, 2011	70.63	72.23	70.43	70.72
3550	NYSE	DRQ	Wed, Nov 30, 2011	68.38	71.28	68.33	71.13
3549	NYSE	DRQ	Tue, Nov 29, 2011	63.78	66.23	62.93	65.30
3548	NYSE	DRQ	Mon, Nov 28, 2011	62.42	64.40	62.16	64.21
3547	NYSE	DRQ	Fri, Nov 25, 2011	60.14	61.19	59.73	60.00
3546	NYSE	DRQ	Wed, Nov 23, 2011	62.23	62.60	59.72	60.64
3545	NYSE	DRQ	Tue, Nov 22, 2011	63.82	64.75	62.64	63.29
3544	NYSE	DRQ	Mon, Nov 21, 2011	63.99	64.32	62.89	63.76
3543	NYSE	DRQ	Fri, Nov 18, 2011	65.74	66.49	64.50	65.11
3542	NYSE	DRQ	Thu, Nov 17, 2011	67.70	68.04	65.10	65.65
3541	NYSE	DRQ	Wed, Nov 16, 2011	66.69	69.71	66.69	67.93
3540	NYSE	DRQ	Tue, Nov 15, 2011	66.77	67.89	65.60	67.23
3539	NYSE	DRQ	Mon, Nov 14, 2011	66.75	67.37	65.58	67.18
3538	NYSE	DRQ	Fri, Nov 11, 2011	67.94	68.49	66.44	66.87
3537	NYSE	DRQ	Thu, Nov 10, 2011	67.40	67.80	65.90	66.82
3536	NYSE	DRQ	Wed, Nov 9, 2011	65.70	67.31	65.68	65.84
3535	NYSE	DRQ	Tue, Nov 8, 2011	68.01	68.70	66.41	68.44
3534	NYSE	DRQ	Mon, Nov 7, 2011	67.61	68.24	65.99	67.27
3533	NYSE	DRQ	Fri, Nov 4, 2011	65.00	68.89	64.51	68.50
3532	NYSE	DRQ	Thu, Nov 3, 2011	64.39	66.61	63.02	66.16
3531	NYSE	DRQ	Wed, Nov 2, 2011	63.70	63.89	61.13	63.25
3530	NYSE	DRQ	Tue, Nov 1, 2011	61.66	63.13	60.84	61.90
3529	NYSE	DRQ	Mon, Oct 31, 2011	66.91	67.19	64.66	65.10
3528	NYSE	DRQ	Fri, Oct 28, 2011	67.69	69.01	67.54	68.43
3527	NYSE	DRQ	Thu, Oct 27, 2011	69.29	69.34	67.01	68.25
3526	NYSE	DRQ	Wed, Oct 26, 2011	64.75	65.47	62.88	65.06
3525	NYSE	DRQ	Tue, Oct 25, 2011	65.86	66.37	63.62	63.75
3524	NYSE	DRQ	Mon, Oct 24, 2011	64.26	66.36	63.67	65.72
3523	NYSE	DRQ	Fri, Oct 21, 2011	64.87	64.90	61.38	63.77
3522	NYSE	DRQ	Thu, Oct 20, 2011	59.57	60.54	58.03	59.88
3521	NYSE	DRQ	Wed, Oct 19, 2011	59.19	62.32	59.19	59.67
3520	NYSE	DRQ	Tue, Oct 18, 2011	61.60	63.85	60.31	62.83
3519	NYSE	DRQ	Mon, Oct 17, 2011	62.96	63.22	61.16	61.44
3518	NYSE	DRQ	Fri, Oct 14, 2011	61.67	63.64	61.55	63.44
3517	NYSE	DRQ	Thu, Oct 13, 2011	60.14	60.98	58.29	60.42
3516	NYSE	DRQ	Wed, Oct 12, 2011	60.00	62.34	59.80	60.41
3515	NYSE	DRQ	Tue, Oct 11, 2011	57.17	59.76	57.17	59.66
3514	NYSE	DRQ	Mon, Oct 10, 2011	55.75	58.26	55.75	57.62
3513	NYSE	DRQ	Fri, Oct 7, 2011	55.54	55.87	53.72	54.42
3512	NYSE	DRQ	Thu, Oct 6, 2011	53.17	55.23	52.00	55.11
3511	NYSE	DRQ	Wed, Oct 5, 2011	53.06	53.96	51.60	53.21
3510	NYSE	DRQ	Tue, Oct 4, 2011	49.19	53.30	47.49	53.02
3509	NYSE	DRQ	Mon, Oct 3, 2011	53.43	54.28	49.35	49.38
3508	NYSE	DRQ	Fri, Sep 30, 2011	54.55	55.17	53.80	53.91
3507	NYSE	DRQ	Thu, Sep 29, 2011	55.61	56.46	53.96	55.80
3506	NYSE	DRQ	Wed, Sep 28, 2011	57.99	58.94	55.62	55.74
3505	NYSE	DRQ	Tue, Sep 27, 2011	60.77	60.94	57.60	58.21
3504	NYSE	DRQ	Mon, Sep 26, 2011	56.40	58.64	54.31	58.50
3503	NYSE	DRQ	Fri, Sep 23, 2011	56.80	57.55	55.31	55.90
3502	NYSE	DRQ	Thu, Sep 22, 2011	58.88	59.51	56.78	57.78
3501	NYSE	DRQ	Wed, Sep 21, 2011	63.56	64.80	61.16	61.22
3500	NYSE	DRQ	Tue, Sep 20, 2011	65.30	66.28	63.61	63.72
3499	NYSE	DRQ	Mon, Sep 19, 2011	63.88	65.85	62.71	64.82
3498	NYSE	DRQ	Fri, Sep 16, 2011	64.66	65.88	63.97	65.80
3497	NYSE	DRQ	Thu, Sep 15, 2011	63.44	64.20	62.34	64.09
3496	NYSE	DRQ	Wed, Sep 14, 2011	62.47	63.38	60.44	62.35
3495	NYSE	DRQ	Tue, Sep 13, 2011	61.71	62.53	60.19	61.89
3494	NYSE	DRQ	Mon, Sep 12, 2011	60.26	62.66	59.44	61.26
3493	NYSE	DRQ	Fri, Sep 9, 2011	62.91	64.57	60.34	60.93
3492	NYSE	DRQ	Thu, Sep 8, 2011	63.83	65.11	63.38	63.99
3491	NYSE	DRQ	Wed, Sep 7, 2011	63.66	64.64	63.09	64.34
3490	NYSE	DRQ	Tue, Sep 6, 2011	59.83	62.48	59.34	62.31
3489	NYSE	DRQ	Fri, Sep 2, 2011	62.08	62.91	60.68	61.87
3488	NYSE	DRQ	Thu, Sep 1, 2011	65.07	65.77	64.22	64.52
3487	NYSE	DRQ	Wed, Aug 31, 2011	64.06	65.60	63.61	64.70
3486	NYSE	DRQ	Tue, Aug 30, 2011	61.54	63.86	61.10	63.37
3485	NYSE	DRQ	Mon, Aug 29, 2011	60.67	62.01	60.67	61.84
3484	NYSE	DRQ	Fri, Aug 26, 2011	56.95	60.32	56.33	59.67
3483	NYSE	DRQ	Thu, Aug 25, 2011	59.69	60.44	57.10	57.56
3482	NYSE	DRQ	Wed, Aug 24, 2011	58.28	59.50	57.16	59.39
3481	NYSE	DRQ	Tue, Aug 23, 2011	55.99	58.46	55.34	58.46
3480	NYSE	DRQ	Mon, Aug 22, 2011	57.26	57.59	55.02	55.75
3479	NYSE	DRQ	Fri, Aug 19, 2011	55.03	58.00	54.96	55.51
3478	NYSE	DRQ	Thu, Aug 18, 2011	57.71	57.86	55.33	56.14
3477	NYSE	DRQ	Wed, Aug 17, 2011	60.43	61.00	59.26	59.96
3476	NYSE	DRQ	Tue, Aug 16, 2011	59.90	60.38	59.20	59.88
3475	NYSE	DRQ	Mon, Aug 15, 2011	58.44	61.12	58.18	60.83
3474	NYSE	DRQ	Fri, Aug 12, 2011	57.15	58.24	55.74	58.11
3473	NYSE	DRQ	Thu, Aug 11, 2011	53.52	57.46	52.42	56.51
3472	NYSE	DRQ	Wed, Aug 10, 2011	50.76	55.81	50.05	53.15
3471	NYSE	DRQ	Tue, Aug 9, 2011	51.11	52.37	47.40	52.26
3470	NYSE	DRQ	Mon, Aug 8, 2011	52.88	56.53	50.45	50.45
3469	NYSE	DRQ	Fri, Aug 5, 2011	62.10	62.10	53.25	56.12
3468	NYSE	DRQ	Thu, Aug 4, 2011	66.84	67.13	62.42	62.44
3467	NYSE	DRQ	Wed, Aug 3, 2011	68.68	68.73	66.20	68.27
3466	NYSE	DRQ	Tue, Aug 2, 2011	69.72	71.42	68.38	68.43
3465	NYSE	DRQ	Mon, Aug 1, 2011	71.62	72.18	69.60	70.34
3464	NYSE	DRQ	Fri, Jul 29, 2011	69.26	71.14	68.94	70.51
3463	NYSE	DRQ	Thu, Jul 28, 2011	70.12	71.81	70.12	70.41
3462	NYSE	DRQ	Wed, Jul 27, 2011	71.42	71.87	70.01	70.19
3461	NYSE	DRQ	Tue, Jul 26, 2011	73.96	73.98	71.91	72.24
3460	NYSE	DRQ	Mon, Jul 25, 2011	72.85	75.00	72.71	73.82
3459	NYSE	DRQ	Fri, Jul 22, 2011	72.98	74.58	72.53	74.16
3458	NYSE	DRQ	Thu, Jul 21, 2011	71.98	73.68	71.55	72.97
3457	NYSE	DRQ	Wed, Jul 20, 2011	72.59	72.60	71.13	71.60
3456	NYSE	DRQ	Tue, Jul 19, 2011	70.56	72.32	70.56	72.30
3455	NYSE	DRQ	Mon, Jul 18, 2011	70.53	71.08	69.49	69.93
3454	NYSE	DRQ	Fri, Jul 15, 2011	67.92	71.15	67.47	70.99
3453	NYSE	DRQ	Thu, Jul 14, 2011	69.28	70.01	67.20	67.39
3452	NYSE	DRQ	Wed, Jul 13, 2011	67.85	70.47	67.79	68.77
3451	NYSE	DRQ	Tue, Jul 12, 2011	68.01	68.40	67.36	67.58
3450	NYSE	DRQ	Mon, Jul 11, 2011	69.14	69.14	67.95	68.18
3449	NYSE	DRQ	Fri, Jul 8, 2011	69.51	70.63	69.12	70.43
3448	NYSE	DRQ	Thu, Jul 7, 2011	70.85	72.07	70.70	70.82
3447	NYSE	DRQ	Wed, Jul 6, 2011	69.22	69.88	68.29	69.86
3446	NYSE	DRQ	Tue, Jul 5, 2011	68.94	70.40	68.82	69.52
3445	NYSE	DRQ	Fri, Jul 1, 2011	67.81	69.13	67.16	68.94
3444	NYSE	DRQ	Thu, Jun 30, 2011	67.29	68.51	67.28	67.83
3443	NYSE	DRQ	Wed, Jun 29, 2011	66.99	67.72	66.46	67.28
3442	NYSE	DRQ	Tue, Jun 28, 2011	65.23	67.02	65.23	66.90
3441	NYSE	DRQ	Mon, Jun 27, 2011	65.30	65.96	64.31	65.23
3440	NYSE	DRQ	Fri, Jun 24, 2011	65.78	66.57	65.11	65.76
3439	NYSE	DRQ	Thu, Jun 23, 2011	63.72	65.81	62.52	65.68
3438	NYSE	DRQ	Wed, Jun 22, 2011	64.30	66.33	64.30	65.04
3437	NYSE	DRQ	Tue, Jun 21, 2011	63.79	65.24	63.68	64.63
3436	NYSE	DRQ	Mon, Jun 20, 2011	61.85	63.46	61.64	63.12
3435	NYSE	DRQ	Fri, Jun 17, 2011	63.63	64.22	61.52	62.16
3434	NYSE	DRQ	Thu, Jun 16, 2011	64.39	64.66	62.55	63.04
3433	NYSE	DRQ	Wed, Jun 15, 2011	65.37	66.82	63.89	64.27
3432	NYSE	DRQ	Tue, Jun 14, 2011	65.50	66.81	65.23	66.29
3431	NYSE	DRQ	Mon, Jun 13, 2011	66.19	66.61	63.78	64.49
3430	NYSE	DRQ	Fri, Jun 10, 2011	66.39	66.96	65.92	66.01
3429	NYSE	DRQ	Thu, Jun 9, 2011	67.15	67.70	66.56	67.06
3428	NYSE	DRQ	Wed, Jun 8, 2011	66.88	67.86	66.52	66.70
3427	NYSE	DRQ	Tue, Jun 7, 2011	67.66	67.75	66.35	66.90
3426	NYSE	DRQ	Mon, Jun 6, 2011	68.75	69.02	66.34	67.04
3425	NYSE	DRQ	Fri, Jun 3, 2011	69.15	70.51	68.38	68.84
3424	NYSE	DRQ	Thu, Jun 2, 2011	70.69	71.98	69.60	70.45
3423	NYSE	DRQ	Wed, Jun 1, 2011	73.88	74.12	70.19	70.42
3422	NYSE	DRQ	Tue, May 31, 2011	75.00	75.94	72.87	74.18
3421	NYSE	DRQ	Fri, May 27, 2011	74.20	75.01	73.18	73.77
3420	NYSE	DRQ	Thu, May 26, 2011	73.31	74.50	73.02	73.57
3419	NYSE	DRQ	Wed, May 25, 2011	70.86	75.01	70.86	73.74
3418	NYSE	DRQ	Tue, May 24, 2011	67.97	71.92	67.97	71.32
3417	NYSE	DRQ	Mon, May 23, 2011	68.01	68.34	66.94	67.42
3416	NYSE	DRQ	Fri, May 20, 2011	68.73	70.58	67.98	69.99
3415	NYSE	DRQ	Thu, May 19, 2011	69.27	69.56	67.56	68.95
3414	NYSE	DRQ	Wed, May 18, 2011	67.48	69.57	67.16	68.75
3413	NYSE	DRQ	Tue, May 17, 2011	66.70	67.86	66.19	67.11
3412	NYSE	DRQ	Mon, May 16, 2011	66.82	68.84	66.58	67.00
3411	NYSE	DRQ	Fri, May 13, 2011	67.48	68.26	66.17	67.39
3410	NYSE	DRQ	Thu, May 12, 2011	66.51	68.37	65.50	67.50
3409	NYSE	DRQ	Wed, May 11, 2011	69.28	69.40	66.86	67.07
3408	NYSE	DRQ	Tue, May 10, 2011	67.50	69.88	67.05	69.67
3407	NYSE	DRQ	Mon, May 9, 2011	65.56	68.44	65.56	68.00
3406	NYSE	DRQ	Fri, May 6, 2011	66.74	68.24	64.69	65.32
3405	NYSE	DRQ	Thu, May 5, 2011	66.61	67.96	65.22	65.56
3404	NYSE	DRQ	Wed, May 4, 2011	71.48	71.48	66.88	67.43
3403	NYSE	DRQ	Tue, May 3, 2011	73.19	73.82	70.37	71.51
3402	NYSE	DRQ	Mon, May 2, 2011	76.86	76.94	73.54	73.69
3401	NYSE	DRQ	Fri, Apr 29, 2011	76.74	77.75	76.36	76.56
3400	NYSE	DRQ	Thu, Apr 28, 2011	75.75	77.42	75.53	76.57
3399	NYSE	DRQ	Wed, Apr 27, 2011	76.33	76.37	74.22	76.00
3398	NYSE	DRQ	Tue, Apr 26, 2011	76.10	76.78	75.81	76.28
3397	NYSE	DRQ	Mon, Apr 25, 2011	75.74	76.39	75.01	75.84
3396	NYSE	DRQ	Thu, Apr 21, 2011	75.91	76.45	75.18	75.87
3395	NYSE	DRQ	Wed, Apr 20, 2011	75.69	76.05	74.07	75.35
3394	NYSE	DRQ	Tue, Apr 19, 2011	73.48	74.66	73.47	74.36
3393	NYSE	DRQ	Mon, Apr 18, 2011	72.97	73.89	72.56	73.32
3392	NYSE	DRQ	Fri, Apr 15, 2011	73.04	75.47	72.91	74.62
3391	NYSE	DRQ	Thu, Apr 14, 2011	72.56	73.82	72.11	73.53
3390	NYSE	DRQ	Wed, Apr 13, 2011	73.08	73.43	71.59	73.36
3389	NYSE	DRQ	Tue, Apr 12, 2011	74.38	74.62	72.00	72.46
3388	NYSE	DRQ	Mon, Apr 11, 2011	77.74	77.80	74.85	75.15
3387	NYSE	DRQ	Fri, Apr 8, 2011	79.17	80.25	77.31	77.67
3386	NYSE	DRQ	Thu, Apr 7, 2011	78.55	79.11	77.75	78.35
3385	NYSE	DRQ	Wed, Apr 6, 2011	80.21	80.42	77.89	78.76
3384	NYSE	DRQ	Tue, Apr 5, 2011	78.72	80.20	78.72	79.73
3383	NYSE	DRQ	Mon, Apr 4, 2011	79.57	80.15	78.61	78.68
3382	NYSE	DRQ	Fri, Apr 1, 2011	79.77	80.64	78.49	78.91
3381	NYSE	DRQ	Thu, Mar 31, 2011	78.88	79.74	78.84	79.03
3380	NYSE	DRQ	Wed, Mar 30, 2011	79.89	79.98	78.69	78.93
3379	NYSE	DRQ	Tue, Mar 29, 2011	76.35	80.00	75.83	79.52
3378	NYSE	DRQ	Mon, Mar 28, 2011	77.66	78.68	76.37	76.49
3377	NYSE	DRQ	Fri, Mar 25, 2011	77.00	78.59	76.30	77.67
3376	NYSE	DRQ	Thu, Mar 24, 2011	76.92	77.89	75.16	76.90
3375	NYSE	DRQ	Wed, Mar 23, 2011	76.30	76.66	74.68	76.40
3374	NYSE	DRQ	Tue, Mar 22, 2011	77.47	77.47	76.05	76.31
3373	NYSE	DRQ	Mon, Mar 21, 2011	75.99	77.50	75.19	77.46
3372	NYSE	DRQ	Fri, Mar 18, 2011	74.05	76.02	73.86	74.56
3371	NYSE	DRQ	Thu, Mar 17, 2011	73.32	74.21	72.62	73.21
3370	NYSE	DRQ	Wed, Mar 16, 2011	74.06	74.72	71.02	71.77
3369	NYSE	DRQ	Tue, Mar 15, 2011	72.05	75.16	71.02	74.05
3368	NYSE	DRQ	Mon, Mar 14, 2011	73.70	75.36	71.32	75.13
3367	NYSE	DRQ	Fri, Mar 11, 2011	71.16	75.21	70.14	74.62
3366	NYSE	DRQ	Thu, Mar 10, 2011	73.46	73.58	71.40	71.56
3365	NYSE	DRQ	Wed, Mar 9, 2011	76.68	77.15	74.98	75.15
3364	NYSE	DRQ	Tue, Mar 8, 2011	76.26	77.74	74.79	76.70
3363	NYSE	DRQ	Mon, Mar 7, 2011	77.96	78.37	75.51	75.90
3362	NYSE	DRQ	Fri, Mar 4, 2011	77.90	78.75	76.49	77.83
3361	NYSE	DRQ	Thu, Mar 3, 2011	78.20	79.14	77.00	78.43
3360	NYSE	DRQ	Wed, Mar 2, 2011	76.46	77.71	74.97	77.49
3359	NYSE	DRQ	Tue, Mar 1, 2011	78.36	79.36	76.46	76.59
3358	NYSE	DRQ	Mon, Feb 28, 2011	77.66	77.66	71.69	76.70
3357	NYSE	DRQ	Fri, Feb 25, 2011	77.77	79.15	76.86	79.02
3356	NYSE	DRQ	Thu, Feb 24, 2011	78.68	79.50	76.60	76.75
3355	NYSE	DRQ	Wed, Feb 23, 2011	78.95	80.35	78.06	78.68
3354	NYSE	DRQ	Tue, Feb 22, 2011	81.31	82.49	78.44	78.87
3353	NYSE	DRQ	Fri, Feb 18, 2011	81.60	81.94	80.35	81.36
3352	NYSE	DRQ	Thu, Feb 17, 2011	81.04	82.04	80.76	81.19
3351	NYSE	DRQ	Wed, Feb 16, 2011	79.83	82.00	79.28	80.97
3350	NYSE	DRQ	Tue, Feb 15, 2011	80.63	81.17	78.85	79.37
3349	NYSE	DRQ	Mon, Feb 14, 2011	77.53	81.03	77.31	80.80
3348	NYSE	DRQ	Fri, Feb 11, 2011	76.97	77.74	76.90	77.70
3347	NYSE	DRQ	Thu, Feb 10, 2011	76.22	77.70	75.72	77.45
3346	NYSE	DRQ	Wed, Feb 9, 2011	77.20	77.33	75.52	76.41
3345	NYSE	DRQ	Tue, Feb 8, 2011	80.26	80.26	77.46	77.49
3344	NYSE	DRQ	Mon, Feb 7, 2011	77.81	80.99	77.40	80.19
3343	NYSE	DRQ	Fri, Feb 4, 2011	78.53	78.53	76.66	77.35
3342	NYSE	DRQ	Thu, Feb 3, 2011	78.75	79.24	77.31	78.64
3341	NYSE	DRQ	Wed, Feb 2, 2011	77.99	79.25	77.23	78.87
3340	NYSE	DRQ	Tue, Feb 1, 2011	77.57	78.84	76.52	78.14
3339	NYSE	DRQ	Mon, Jan 31, 2011	74.17	77.33	73.60	77.12
3338	NYSE	DRQ	Fri, Jan 28, 2011	73.80	74.74	72.32	73.61
3337	NYSE	DRQ	Thu, Jan 27, 2011	74.78	75.11	72.69	73.91
3336	NYSE	DRQ	Wed, Jan 26, 2011	73.01	75.29	72.91	75.14
3335	NYSE	DRQ	Tue, Jan 25, 2011	73.29	73.67	71.36	72.79
3334	NYSE	DRQ	Mon, Jan 24, 2011	72.86	73.92	72.64	73.67
3333	NYSE	DRQ	Fri, Jan 21, 2011	72.90	74.76	72.86	72.91
3332	NYSE	DRQ	Thu, Jan 20, 2011	75.49	75.59	72.95	73.66
3331	NYSE	DRQ	Wed, Jan 19, 2011	78.84	79.32	76.02	76.17
3330	NYSE	DRQ	Tue, Jan 18, 2011	76.83	78.86	76.51	78.85
3329	NYSE	DRQ	Fri, Jan 14, 2011	77.17	77.17	76.40	77.04
3328	NYSE	DRQ	Thu, Jan 13, 2011	76.71	77.66	75.84	77.22
3327	NYSE	DRQ	Wed, Jan 12, 2011	76.05	78.44	75.72	76.57
3326	NYSE	DRQ	Tue, Jan 11, 2011	74.79	75.92	74.76	75.38
3325	NYSE	DRQ	Mon, Jan 10, 2011	73.49	74.59	72.00	74.40
3324	NYSE	DRQ	Fri, Jan 7, 2011	73.72	74.89	72.89	74.23
3323	NYSE	DRQ	Thu, Jan 6, 2011	76.40	76.46	72.90	73.58
3322	NYSE	DRQ	Wed, Jan 5, 2011	75.31	76.38	74.39	76.25
3321	NYSE	DRQ	Tue, Jan 4, 2011	79.17	79.37	75.14	75.46
3320	NYSE	DRQ	Mon, Jan 3, 2011	78.69	80.26	78.53	78.81
3319	NYSE	DRQ	Fri, Dec 31, 2010	78.34	78.78	77.60	77.72
3318	NYSE	DRQ	Thu, Dec 30, 2010	78.63	78.86	78.15	78.36
3317	NYSE	DRQ	Wed, Dec 29, 2010	77.48	79.20	77.48	78.69
3316	NYSE	DRQ	Tue, Dec 28, 2010	77.68	77.94	76.87	77.41
3315	NYSE	DRQ	Mon, Dec 27, 2010	78.10	78.27	77.21	77.67
3314	NYSE	DRQ	Thu, Dec 23, 2010	78.34	79.18	78.08	78.37
3313	NYSE	DRQ	Wed, Dec 22, 2010	78.93	79.28	78.29	78.99
3312	NYSE	DRQ	Tue, Dec 21, 2010	78.13	78.85	77.14	78.83
3311	NYSE	DRQ	Mon, Dec 20, 2010	77.59	78.14	76.38	77.94
3310	NYSE	DRQ	Fri, Dec 17, 2010	78.53	78.69	77.05	77.22
3309	NYSE	DRQ	Thu, Dec 16, 2010	77.73	78.55	76.28	78.53
3308	NYSE	DRQ	Wed, Dec 15, 2010	81.21	81.34	77.55	77.92
3307	NYSE	DRQ	Tue, Dec 14, 2010	82.51	83.49	80.98	81.42
3306	NYSE	DRQ	Mon, Dec 13, 2010	81.66	83.30	81.66	82.28
3305	NYSE	DRQ	Fri, Dec 10, 2010	81.01	81.20	80.22	81.11
3304	NYSE	DRQ	Thu, Dec 9, 2010	81.49	81.79	80.17	80.79
3303	NYSE	DRQ	Wed, Dec 8, 2010	82.29	82.86	80.55	80.83
3302	NYSE	DRQ	Tue, Dec 7, 2010	83.06	83.80	81.59	81.97
3301	NYSE	DRQ	Mon, Dec 6, 2010	79.95	81.94	79.90	81.66
3300	NYSE	DRQ	Fri, Dec 3, 2010	79.19	80.43	79.10	80.14
3299	NYSE	DRQ	Thu, Dec 2, 2010	80.39	80.99	79.79	80.25
3298	NYSE	DRQ	Wed, Dec 1, 2010	79.35	81.44	79.35	80.40
3297	NYSE	DRQ	Tue, Nov 30, 2010	76.23	78.31	75.52	77.44
3296	NYSE	DRQ	Mon, Nov 29, 2010	76.78	77.81	74.74	77.47
3295	NYSE	DRQ	Fri, Nov 26, 2010	77.51	78.11	77.09	77.11
3294	NYSE	DRQ	Wed, Nov 24, 2010	76.06	78.55	76.06	78.50
3293	NYSE	DRQ	Tue, Nov 23, 2010	76.96	76.96	74.60	75.59
3292	NYSE	DRQ	Mon, Nov 22, 2010	77.01	78.28	75.91	78.08
3291	NYSE	DRQ	Fri, Nov 19, 2010	77.31	77.81	76.26	77.67
3290	NYSE	DRQ	Thu, Nov 18, 2010	75.90	78.51	75.71	77.61
3289	NYSE	DRQ	Wed, Nov 17, 2010	72.13	74.93	72.13	74.73
3288	NYSE	DRQ	Tue, Nov 16, 2010	72.17	72.24	70.70	71.86
3287	NYSE	DRQ	Mon, Nov 15, 2010	71.51	74.01	71.36	73.06
3286	NYSE	DRQ	Fri, Nov 12, 2010	74.99	75.41	72.19	73.01
3285	NYSE	DRQ	Thu, Nov 11, 2010	74.42	76.82	74.07	76.49
3284	NYSE	DRQ	Wed, Nov 10, 2010	72.62	75.78	72.00	75.76
3283	NYSE	DRQ	Tue, Nov 9, 2010	74.78	75.85	71.80	72.45
3282	NYSE	DRQ	Mon, Nov 8, 2010	71.90	74.45	71.78	74.34
3281	NYSE	DRQ	Fri, Nov 5, 2010	73.98	74.19	72.59	73.23
3280	NYSE	DRQ	Thu, Nov 4, 2010	71.13	73.92	70.36	73.44
3279	NYSE	DRQ	Wed, Nov 3, 2010	70.33	70.84	68.37	69.84
3278	NYSE	DRQ	Tue, Nov 2, 2010	69.45	70.41	69.07	70.09
3277	NYSE	DRQ	Mon, Nov 1, 2010	69.57	70.51	67.84	68.69
3276	NYSE	DRQ	Fri, Oct 29, 2010	66.89	69.33	66.45	69.10
3275	NYSE	DRQ	Thu, Oct 28, 2010	68.22	68.72	66.38	66.93
3274	NYSE	DRQ	Wed, Oct 27, 2010	67.10	67.81	66.34	67.75
3273	NYSE	DRQ	Tue, Oct 26, 2010	67.34	68.66	67.05	67.71
3272	NYSE	DRQ	Mon, Oct 25, 2010	68.07	68.86	67.81	67.94
3271	NYSE	DRQ	Fri, Oct 22, 2010	66.88	67.62	66.72	67.27
3270	NYSE	DRQ	Thu, Oct 21, 2010	68.06	68.41	65.54	66.58
3269	NYSE	DRQ	Wed, Oct 20, 2010	66.05	68.48	65.66	67.98
3268	NYSE	DRQ	Tue, Oct 19, 2010	65.39	66.96	64.76	65.69
3267	NYSE	DRQ	Mon, Oct 18, 2010	65.90	66.13	65.10	66.04
3266	NYSE	DRQ	Fri, Oct 15, 2010	66.50	66.55	64.77	65.98
3265	NYSE	DRQ	Thu, Oct 14, 2010	66.96	67.47	65.67	66.40
3264	NYSE	DRQ	Wed, Oct 13, 2010	65.44	67.41	65.41	67.01
3263	NYSE	DRQ	Tue, Oct 12, 2010	65.40	65.98	64.45	65.40
3262	NYSE	DRQ	Mon, Oct 11, 2010	65.05	66.33	64.93	65.81
3261	NYSE	DRQ	Fri, Oct 8, 2010	63.46	65.49	63.38	64.92
3260	NYSE	DRQ	Thu, Oct 7, 2010	64.39	64.55	62.34	63.25
3259	NYSE	DRQ	Wed, Oct 6, 2010	63.92	64.46	63.60	63.96
3258	NYSE	DRQ	Tue, Oct 5, 2010	62.89	64.25	62.73	64.00
3257	NYSE	DRQ	Mon, Oct 4, 2010	63.58	63.93	61.69	62.10
3256	NYSE	DRQ	Fri, Oct 1, 2010	62.69	63.93	61.71	63.59
3255	NYSE	DRQ	Thu, Sep 30, 2010	63.48	63.52	61.45	62.11
3254	NYSE	DRQ	Wed, Sep 29, 2010	62.01	63.53	61.88	63.13
3253	NYSE	DRQ	Tue, Sep 28, 2010	60.99	62.57	60.61	62.42
3252	NYSE	DRQ	Mon, Sep 27, 2010	61.06	62.00	60.69	60.86
3251	NYSE	DRQ	Fri, Sep 24, 2010	60.90	61.53	60.54	61.23
3250	NYSE	DRQ	Thu, Sep 23, 2010	59.44	60.74	59.36	60.05
3249	NYSE	DRQ	Wed, Sep 22, 2010	59.76	60.61	59.49	60.10
3248	NYSE	DRQ	Tue, Sep 21, 2010	59.00	60.19	58.90	59.86
3247	NYSE	DRQ	Mon, Sep 20, 2010	57.72	58.96	56.86	58.89
3246	NYSE	DRQ	Fri, Sep 17, 2010	58.74	58.94	57.37	57.57
3245	NYSE	DRQ	Thu, Sep 16, 2010	58.94	59.08	57.20	57.83
3244	NYSE	DRQ	Wed, Sep 15, 2010	57.91	59.62	57.30	59.23
3243	NYSE	DRQ	Tue, Sep 14, 2010	58.82	59.07	58.10	58.17
3242	NYSE	DRQ	Mon, Sep 13, 2010	59.27	59.59	58.51	58.85
3241	NYSE	DRQ	Fri, Sep 10, 2010	57.01	58.79	56.93	58.77
3240	NYSE	DRQ	Thu, Sep 9, 2010	58.04	58.05	56.43	56.95
3239	NYSE	DRQ	Wed, Sep 8, 2010	56.53	57.14	56.31	56.92
3238	NYSE	DRQ	Tue, Sep 7, 2010	56.46	56.80	56.00	56.20
3237	NYSE	DRQ	Fri, Sep 3, 2010	55.67	56.91	55.67	56.90
3236	NYSE	DRQ	Thu, Sep 2, 2010	54.32	55.42	54.00	54.95
3235	NYSE	DRQ	Wed, Sep 1, 2010	54.02	55.02	53.56	54.39
3234	NYSE	DRQ	Tue, Aug 31, 2010	52.47	53.33	51.95	52.87
3233	NYSE	DRQ	Mon, Aug 30, 2010	53.61	53.79	52.54	52.56
3232	NYSE	DRQ	Fri, Aug 27, 2010	51.74	54.05	51.08	53.80
3231	NYSE	DRQ	Thu, Aug 26, 2010	51.98	52.81	50.95	51.18
3230	NYSE	DRQ	Wed, Aug 25, 2010	51.79	51.86	50.50	51.63
3229	NYSE	DRQ	Tue, Aug 24, 2010	51.01	52.94	51.01	52.01
3228	NYSE	DRQ	Mon, Aug 23, 2010	52.25	53.00	51.92	52.06
3227	NYSE	DRQ	Fri, Aug 20, 2010	51.74	51.95	50.87	51.83
3226	NYSE	DRQ	Thu, Aug 19, 2010	53.72	54.00	52.18	52.35
3225	NYSE	DRQ	Wed, Aug 18, 2010	53.25	54.12	52.70	53.91
3224	NYSE	DRQ	Tue, Aug 17, 2010	52.43	54.08	51.95	53.37
3223	NYSE	DRQ	Mon, Aug 16, 2010	51.29	51.84	50.91	51.60
3222	NYSE	DRQ	Fri, Aug 13, 2010	51.45	51.97	51.16	51.61
3221	NYSE	DRQ	Thu, Aug 12, 2010	50.97	52.30	50.81	51.51
3220	NYSE	DRQ	Wed, Aug 11, 2010	52.91	52.94	51.67	51.93
3219	NYSE	DRQ	Tue, Aug 10, 2010	52.82	54.71	52.17	54.03
3218	NYSE	DRQ	Mon, Aug 9, 2010	52.50	53.72	52.28	53.59
3217	NYSE	DRQ	Fri, Aug 6, 2010	52.62	52.90	50.65	52.37
3216	NYSE	DRQ	Thu, Aug 5, 2010	53.42	53.99	52.37	53.39
3215	NYSE	DRQ	Wed, Aug 4, 2010	53.98	54.59	53.35	53.91
3214	NYSE	DRQ	Tue, Aug 3, 2010	53.93	54.69	53.31	53.79
3213	NYSE	DRQ	Mon, Aug 2, 2010	53.43	55.00	53.29	54.03
3212	NYSE	DRQ	Fri, Jul 30, 2010	51.13	52.52	50.73	52.28
3211	NYSE	DRQ	Thu, Jul 29, 2010	52.25	53.29	51.49	52.15
3210	NYSE	DRQ	Wed, Jul 28, 2010	51.59	51.94	50.44	51.83
3209	NYSE	DRQ	Tue, Jul 27, 2010	51.97	52.76	51.42	51.89
3208	NYSE	DRQ	Mon, Jul 26, 2010	52.77	52.77	50.63	51.52
3207	NYSE	DRQ	Fri, Jul 23, 2010	50.81	52.52	50.02	52.42
3206	NYSE	DRQ	Thu, Jul 22, 2010	49.51	51.81	49.19	51.07
3205	NYSE	DRQ	Wed, Jul 21, 2010	50.02	50.25	48.23	48.55
3204	NYSE	DRQ	Tue, Jul 20, 2010	46.55	49.62	46.39	49.47
3203	NYSE	DRQ	Mon, Jul 19, 2010	47.61	47.96	46.43	47.50
3202	NYSE	DRQ	Fri, Jul 16, 2010	48.79	49.11	47.38	47.62
3201	NYSE	DRQ	Thu, Jul 15, 2010	49.50	49.90	48.06	49.22
3200	NYSE	DRQ	Wed, Jul 14, 2010	48.77	49.55	48.36	48.88
3199	NYSE	DRQ	Tue, Jul 13, 2010	49.44	49.44	48.15	49.14
3198	NYSE	DRQ	Mon, Jul 12, 2010	48.98	49.53	47.73	48.57
3197	NYSE	DRQ	Fri, Jul 9, 2010	48.31	49.33	47.80	49.28
3196	NYSE	DRQ	Thu, Jul 8, 2010	47.28	48.36	46.92	48.27
3195	NYSE	DRQ	Wed, Jul 7, 2010	44.95	46.94	44.95	46.91
3194	NYSE	DRQ	Tue, Jul 6, 2010	45.22	46.28	44.15	44.62
3193	NYSE	DRQ	Fri, Jul 2, 2010	44.53	44.92	43.51	44.43
3192	NYSE	DRQ	Thu, Jul 1, 2010	43.92	44.63	42.35	44.03
3191	NYSE	DRQ	Wed, Jun 30, 2010	44.91	45.46	43.82	44.02
3190	NYSE	DRQ	Tue, Jun 29, 2010	44.52	45.35	44.14	44.83
3189	NYSE	DRQ	Mon, Jun 28, 2010	46.50	46.50	45.42	45.55
3188	NYSE	DRQ	Fri, Jun 25, 2010	45.05	46.11	44.90	46.02
3187	NYSE	DRQ	Thu, Jun 24, 2010	46.12	46.16	44.44	44.79
3186	NYSE	DRQ	Wed, Jun 23, 2010	46.86	46.90	45.32	46.12
3185	NYSE	DRQ	Tue, Jun 22, 2010	48.70	49.13	47.02	47.21
3184	NYSE	DRQ	Mon, Jun 21, 2010	49.88	50.06	48.46	48.95
3183	NYSE	DRQ	Fri, Jun 18, 2010	49.26	49.47	48.73	48.98
3182	NYSE	DRQ	Thu, Jun 17, 2010	49.97	49.97	48.80	49.09
3181	NYSE	DRQ	Wed, Jun 16, 2010	49.21	50.94	48.83	49.68
3180	NYSE	DRQ	Tue, Jun 15, 2010	48.24	50.15	47.97	49.88
3179	NYSE	DRQ	Mon, Jun 14, 2010	47.61	48.97	47.00	47.77
3178	NYSE	DRQ	Fri, Jun 11, 2010	45.97	47.30	45.81	47.02
3177	NYSE	DRQ	Thu, Jun 10, 2010	44.47	46.73	43.98	46.71
3176	NYSE	DRQ	Wed, Jun 9, 2010	44.16	46.69	43.22	43.64
3175	NYSE	DRQ	Tue, Jun 8, 2010	43.65	44.49	42.42	43.91
3174	NYSE	DRQ	Mon, Jun 7, 2010	43.96	45.37	43.40	43.60
3173	NYSE	DRQ	Fri, Jun 4, 2010	43.20	45.89	42.75	43.61
3172	NYSE	DRQ	Thu, Jun 3, 2010	43.11	44.21	42.67	44.00
3171	NYSE	DRQ	Wed, Jun 2, 2010	41.79	44.02	40.38	43.89
3170	NYSE	DRQ	Tue, Jun 1, 2010	46.97	46.97	40.86	40.95
3169	NYSE	DRQ	Fri, May 28, 2010	53.51	53.51	48.68	48.71
3168	NYSE	DRQ	Thu, May 27, 2010	55.23	56.28	53.02	53.55
3167	NYSE	DRQ	Wed, May 26, 2010	53.24	55.07	53.24	53.89
3166	NYSE	DRQ	Tue, May 25, 2010	49.07	52.81	48.71	52.61
3165	NYSE	DRQ	Mon, May 24, 2010	53.17	53.54	51.01	51.05
3164	NYSE	DRQ	Fri, May 21, 2010	50.21	54.47	49.93	53.41
3163	NYSE	DRQ	Thu, May 20, 2010	53.19	53.19	50.83	51.38
3162	NYSE	DRQ	Wed, May 19, 2010	55.70	56.07	53.58	54.60
3161	NYSE	DRQ	Tue, May 18, 2010	58.15	58.69	55.87	56.16
3160	NYSE	DRQ	Mon, May 17, 2010	58.76	59.28	56.59	57.42
3159	NYSE	DRQ	Fri, May 14, 2010	59.70	60.05	57.18	58.52
3158	NYSE	DRQ	Thu, May 13, 2010	61.88	62.80	60.16	60.60
3157	NYSE	DRQ	Wed, May 12, 2010	57.59	62.19	57.59	61.96
3156	NYSE	DRQ	Tue, May 11, 2010	57.37	58.55	56.98	57.13
3155	NYSE	DRQ	Mon, May 10, 2010	57.51	59.89	57.00	57.93
3154	NYSE	DRQ	Fri, May 7, 2010	55.33	58.00	54.12	55.00
3153	NYSE	DRQ	Thu, May 6, 2010	56.57	57.25	50.71	54.91
3152	NYSE	DRQ	Wed, May 5, 2010	57.07	59.05	55.97	57.11
3151	NYSE	DRQ	Tue, May 4, 2010	59.85	60.30	58.30	58.53
3150	NYSE	DRQ	Mon, May 3, 2010	58.25	61.21	56.39	60.86
3149	NYSE	DRQ	Fri, Apr 30, 2010	63.76	63.76	57.84	57.93
3148	NYSE	DRQ	Thu, Apr 29, 2010	63.79	65.98	62.71	65.62
3147	NYSE	DRQ	Wed, Apr 28, 2010	65.14	65.18	62.97	63.59
3146	NYSE	DRQ	Tue, Apr 27, 2010	69.15	69.15	64.44	64.50
3145	NYSE	DRQ	Mon, Apr 26, 2010	70.11	70.78	69.47	69.68
3144	NYSE	DRQ	Fri, Apr 23, 2010	68.38	69.99	68.23	69.97
3143	NYSE	DRQ	Thu, Apr 22, 2010	65.38	68.50	65.35	68.13
3142	NYSE	DRQ	Wed, Apr 21, 2010	66.05	66.42	65.24	66.35
3141	NYSE	DRQ	Tue, Apr 20, 2010	65.75	66.37	65.64	66.08
3140	NYSE	DRQ	Mon, Apr 19, 2010	64.40	65.34	64.25	65.24
3139	NYSE	DRQ	Fri, Apr 16, 2010	65.16	65.65	64.15	64.89
3138	NYSE	DRQ	Thu, Apr 15, 2010	65.10	65.59	64.84	65.45
3137	NYSE	DRQ	Wed, Apr 14, 2010	64.78	65.39	63.74	65.37
3136	NYSE	DRQ	Tue, Apr 13, 2010	64.20	64.37	63.22	64.30
3135	NYSE	DRQ	Mon, Apr 12, 2010	65.18	65.56	64.49	64.56
3134	NYSE	DRQ	Fri, Apr 9, 2010	64.88	64.88	63.80	64.83
3133	NYSE	DRQ	Thu, Apr 8, 2010	65.06	65.06	63.37	64.58
3132	NYSE	DRQ	Wed, Apr 7, 2010	65.33	65.98	64.40	65.17
3131	NYSE	DRQ	Tue, Apr 6, 2010	64.85	65.72	64.58	65.43
3130	NYSE	DRQ	Mon, Apr 5, 2010	64.40	65.29	64.10	64.94
3129	NYSE	DRQ	Thu, Apr 1, 2010	61.33	63.96	61.33	63.96
3128	NYSE	DRQ	Wed, Mar 31, 2010	60.66	61.98	60.66	60.84
3127	NYSE	DRQ	Tue, Mar 30, 2010	60.73	61.22	60.40	60.70
3126	NYSE	DRQ	Mon, Mar 29, 2010	59.48	61.41	59.27	60.47
3125	NYSE	DRQ	Fri, Mar 26, 2010	59.28	60.14	58.42	59.13
3124	NYSE	DRQ	Thu, Mar 25, 2010	62.70	62.70	59.21	59.25
3123	NYSE	DRQ	Wed, Mar 24, 2010	60.79	62.34	60.72	62.12
3122	NYSE	DRQ	Tue, Mar 23, 2010	61.14	62.00	60.68	61.28
3121	NYSE	DRQ	Mon, Mar 22, 2010	59.63	61.19	59.23	60.96
3120	NYSE	DRQ	Fri, Mar 19, 2010	62.12	62.12	59.95	60.28
3119	NYSE	DRQ	Thu, Mar 18, 2010	62.92	63.37	61.45	62.00
3118	NYSE	DRQ	Wed, Mar 17, 2010	63.43	64.13	63.04	63.20
3117	NYSE	DRQ	Tue, Mar 16, 2010	62.60	63.33	61.92	63.09
3116	NYSE	DRQ	Mon, Mar 15, 2010	61.86	62.57	61.15	62.38
3115	NYSE	DRQ	Fri, Mar 12, 2010	61.98	62.25	61.51	62.14
3114	NYSE	DRQ	Thu, Mar 11, 2010	60.59	61.64	60.08	61.56
3113	NYSE	DRQ	Wed, Mar 10, 2010	60.43	61.21	59.93	60.90
3112	NYSE	DRQ	Tue, Mar 9, 2010	60.29	61.00	60.04	60.60
3111	NYSE	DRQ	Mon, Mar 8, 2010	59.95	61.02	59.75	60.68
3110	NYSE	DRQ	Fri, Mar 5, 2010	58.72	59.88	58.68	59.79
3109	NYSE	DRQ	Thu, Mar 4, 2010	58.51	58.78	57.59	58.20
3108	NYSE	DRQ	Wed, Mar 3, 2010	57.71	59.26	57.50	58.21
3107	NYSE	DRQ	Tue, Mar 2, 2010	56.30	57.52	56.06	57.44
3106	NYSE	DRQ	Mon, Mar 1, 2010	54.88	56.34	54.75	56.33
3105	NYSE	DRQ	Fri, Feb 26, 2010	56.38	56.44	52.70	54.72
3104	NYSE	DRQ	Thu, Feb 25, 2010	55.50	56.64	54.26	56.51
3103	NYSE	DRQ	Wed, Feb 24, 2010	55.40	56.49	55.09	56.44
3102	NYSE	DRQ	Tue, Feb 23, 2010	56.74	57.10	55.18	55.36
3101	NYSE	DRQ	Mon, Feb 22, 2010	56.59	57.33	56.13	57.00
3100	NYSE	DRQ	Fri, Feb 19, 2010	56.46	57.20	56.15	56.40
3099	NYSE	DRQ	Thu, Feb 18, 2010	54.78	56.53	54.60	56.39
3098	NYSE	DRQ	Wed, Feb 17, 2010	55.30	55.52	54.08	54.70
3097	NYSE	DRQ	Tue, Feb 16, 2010	54.02	54.91	53.91	54.91
3096	NYSE	DRQ	Fri, Feb 12, 2010	52.63	53.96	52.28	53.96
3095	NYSE	DRQ	Thu, Feb 11, 2010	52.12	53.49	51.68	53.32
3094	NYSE	DRQ	Wed, Feb 10, 2010	52.32	52.89	51.38	52.31
3093	NYSE	DRQ	Tue, Feb 9, 2010	51.22	52.79	51.05	52.62
3092	NYSE	DRQ	Mon, Feb 8, 2010	50.60	51.36	49.92	50.67
3091	NYSE	DRQ	Fri, Feb 5, 2010	51.14	51.43	48.71	50.40
3090	NYSE	DRQ	Thu, Feb 4, 2010	52.82	52.82	51.07	51.13
3089	NYSE	DRQ	Wed, Feb 3, 2010	53.37	54.56	52.94	53.62
3088	NYSE	DRQ	Tue, Feb 2, 2010	53.77	54.44	52.99	53.82
3087	NYSE	DRQ	Mon, Feb 1, 2010	52.85	54.00	52.66	53.51
3086	NYSE	DRQ	Fri, Jan 29, 2010	54.36	54.99	52.01	52.49
3085	NYSE	DRQ	Thu, Jan 28, 2010	54.84	54.88	53.24	54.00
3084	NYSE	DRQ	Wed, Jan 27, 2010	53.60	54.52	53.21	54.51
3083	NYSE	DRQ	Tue, Jan 26, 2010	54.07	55.46	53.33	54.04
3082	NYSE	DRQ	Mon, Jan 25, 2010	54.79	55.85	54.11	54.36
3081	NYSE	DRQ	Fri, Jan 22, 2010	55.15	55.15	54.12	54.45
3080	NYSE	DRQ	Thu, Jan 21, 2010	55.98	56.25	54.52	55.19
3079	NYSE	DRQ	Wed, Jan 20, 2010	56.00	56.22	54.63	55.86
3078	NYSE	DRQ	Tue, Jan 19, 2010	55.77	56.69	55.63	56.63
3077	NYSE	DRQ	Fri, Jan 15, 2010	56.59	56.59	55.19	55.84
3076	NYSE	DRQ	Thu, Jan 14, 2010	56.51	57.05	55.37	55.53
3075	NYSE	DRQ	Wed, Jan 13, 2010	56.32	56.66	54.83	56.56
3074	NYSE	DRQ	Tue, Jan 12, 2010	57.20	57.21	56.15	56.34
3073	NYSE	DRQ	Mon, Jan 11, 2010	58.79	59.00	57.22	57.73
3072	NYSE	DRQ	Fri, Jan 8, 2010	57.45	58.62	57.45	58.47
3071	NYSE	DRQ	Thu, Jan 7, 2010	58.31	58.41	57.14	57.90
3070	NYSE	DRQ	Wed, Jan 6, 2010	58.20	58.56	58.01	58.42
3069	NYSE	DRQ	Tue, Jan 5, 2010	57.90	58.33	57.54	58.20
3068	NYSE	DRQ	Mon, Jan 4, 2010	57.32	58.13	57.32	57.85
3067	NYSE	DRQ	Thu, Dec 31, 2009	56.63	57.19	56.48	56.48
3066	NYSE	DRQ	Wed, Dec 30, 2009	57.26	57.50	56.52	56.74
3065	NYSE	DRQ	Tue, Dec 29, 2009	58.80	58.91	57.39	57.54
3064	NYSE	DRQ	Mon, Dec 28, 2009	58.84	59.00	58.17	58.79
3063	NYSE	DRQ	Thu, Dec 24, 2009	58.86	58.98	58.25	58.55
3062	NYSE	DRQ	Wed, Dec 23, 2009	57.74	58.78	57.31	58.66
3061	NYSE	DRQ	Tue, Dec 22, 2009	58.14	58.51	57.29	57.51
3060	NYSE	DRQ	Mon, Dec 21, 2009	56.72	57.95	56.72	57.87
3059	NYSE	DRQ	Fri, Dec 18, 2009	56.72	57.03	56.07	56.50
3058	NYSE	DRQ	Thu, Dec 17, 2009	55.58	56.33	55.37	56.16
3057	NYSE	DRQ	Wed, Dec 16, 2009	55.11	56.30	54.70	56.14
3056	NYSE	DRQ	Tue, Dec 15, 2009	53.96	55.36	53.63	54.66
3055	NYSE	DRQ	Mon, Dec 14, 2009	53.47	54.02	53.19	53.84
3054	NYSE	DRQ	Fri, Dec 11, 2009	53.25	53.56	52.43	52.83
3053	NYSE	DRQ	Thu, Dec 10, 2009	52.70	53.25	52.47	53.10
3052	NYSE	DRQ	Wed, Dec 9, 2009	52.18	52.88	51.78	52.45
3051	NYSE	DRQ	Tue, Dec 8, 2009	52.64	52.79	51.84	52.17
3050	NYSE	DRQ	Mon, Dec 7, 2009	53.03	53.80	52.78	53.18
3049	NYSE	DRQ	Fri, Dec 4, 2009	53.59	54.46	52.59	53.13
3048	NYSE	DRQ	Thu, Dec 3, 2009	54.41	54.58	52.99	53.08
3047	NYSE	DRQ	Wed, Dec 2, 2009	54.01	54.89	54.01	54.46
3046	NYSE	DRQ	Tue, Dec 1, 2009	54.38	55.49	54.20	54.30
3045	NYSE	DRQ	Mon, Nov 30, 2009	53.07	54.03	52.53	54.01
3044	NYSE	DRQ	Fri, Nov 27, 2009	53.53	54.14	52.58	53.39
3043	NYSE	DRQ	Wed, Nov 25, 2009	54.78	55.56	54.00	55.04
3042	NYSE	DRQ	Tue, Nov 24, 2009	54.74	54.81	53.75	54.77
3041	NYSE	DRQ	Mon, Nov 23, 2009	54.57	55.38	54.33	54.65
3040	NYSE	DRQ	Fri, Nov 20, 2009	52.45	53.11	51.60	53.03
3039	NYSE	DRQ	Thu, Nov 19, 2009	55.40	55.41	52.00	53.05
3038	NYSE	DRQ	Wed, Nov 18, 2009	57.95	57.95	56.11	56.47
3037	NYSE	DRQ	Tue, Nov 17, 2009	56.91	58.32	56.34	57.94
3036	NYSE	DRQ	Mon, Nov 16, 2009	56.29	57.65	56.29	56.80
3035	NYSE	DRQ	Fri, Nov 13, 2009	54.91	56.14	54.10	55.65
3034	NYSE	DRQ	Thu, Nov 12, 2009	55.51	56.05	53.97	54.88
3033	NYSE	DRQ	Wed, Nov 11, 2009	57.74	58.00	55.68	55.90
3032	NYSE	DRQ	Tue, Nov 10, 2009	56.24	57.40	56.10	57.11
3031	NYSE	DRQ	Mon, Nov 9, 2009	54.79	56.74	54.51	56.39
3030	NYSE	DRQ	Fri, Nov 6, 2009	52.38	53.55	51.57	53.32
3029	NYSE	DRQ	Thu, Nov 5, 2009	51.50	52.68	50.94	52.57
3028	NYSE	DRQ	Wed, Nov 4, 2009	51.29	52.46	50.88	51.16
3027	NYSE	DRQ	Tue, Nov 3, 2009	48.60	50.96	47.95	50.86
3026	NYSE	DRQ	Mon, Nov 2, 2009	49.07	50.05	48.17	49.35
3025	NYSE	DRQ	Fri, Oct 30, 2009	49.68	49.85	48.18	48.59
3024	NYSE	DRQ	Thu, Oct 29, 2009	49.54	50.47	49.22	50.35
3023	NYSE	DRQ	Wed, Oct 28, 2009	50.34	50.58	48.69	48.77
3022	NYSE	DRQ	Tue, Oct 27, 2009	52.07	52.68	50.26	50.51
3021	NYSE	DRQ	Mon, Oct 26, 2009	53.63	54.66	51.49	51.80
3020	NYSE	DRQ	Fri, Oct 23, 2009	54.98	55.00	52.80	53.56
3019	NYSE	DRQ	Thu, Oct 22, 2009	54.10	54.74	52.86	54.60
3018	NYSE	DRQ	Wed, Oct 21, 2009	54.18	55.70	54.08	54.15
3017	NYSE	DRQ	Tue, Oct 20, 2009	55.37	55.49	53.26	54.33
3016	NYSE	DRQ	Mon, Oct 19, 2009	54.76	55.21	53.59	55.12
3015	NYSE	DRQ	Fri, Oct 16, 2009	54.59	54.63	53.01	54.47
3014	NYSE	DRQ	Thu, Oct 15, 2009	54.20	55.18	54.06	54.74
3013	NYSE	DRQ	Wed, Oct 14, 2009	53.25	54.78	53.16	54.62
3012	NYSE	DRQ	Tue, Oct 13, 2009	53.04	53.10	51.75	52.64
3011	NYSE	DRQ	Mon, Oct 12, 2009	53.41	54.13	52.47	53.04
3010	NYSE	DRQ	Fri, Oct 9, 2009	53.25	53.71	52.04	52.60
3009	NYSE	DRQ	Thu, Oct 8, 2009	52.04	53.54	51.47	53.21
3008	NYSE	DRQ	Wed, Oct 7, 2009	50.93	51.68	50.69	51.65
3007	NYSE	DRQ	Tue, Oct 6, 2009	50.20	51.28	50.12	51.15
3006	NYSE	DRQ	Mon, Oct 5, 2009	48.33	49.80	47.98	49.54
3005	NYSE	DRQ	Fri, Oct 2, 2009	47.45	48.64	47.07	48.31
3004	NYSE	DRQ	Thu, Oct 1, 2009	49.99	49.99	48.11	48.42
3003	NYSE	DRQ	Wed, Sep 30, 2009	49.95	50.52	48.75	49.64
3002	NYSE	DRQ	Tue, Sep 29, 2009	49.14	50.10	48.90	49.77
3001	NYSE	DRQ	Mon, Sep 28, 2009	47.89	49.37	47.34	49.18
3000	NYSE	DRQ	Fri, Sep 25, 2009	46.29	48.24	46.29	47.83
2999	NYSE	DRQ	Thu, Sep 24, 2009	46.69	47.26	46.15	46.67
2998	NYSE	DRQ	Wed, Sep 23, 2009	46.19	47.46	46.19	46.46
2997	NYSE	DRQ	Tue, Sep 22, 2009	47.09	47.21	46.43	46.96
2996	NYSE	DRQ	Mon, Sep 21, 2009	45.66	46.57	44.75	46.45
2995	NYSE	DRQ	Fri, Sep 18, 2009	47.00	47.12	45.88	46.46
2994	NYSE	DRQ	Thu, Sep 17, 2009	47.50	47.74	46.79	46.88
2993	NYSE	DRQ	Wed, Sep 16, 2009	47.60	47.74	46.61	47.55
2992	NYSE	DRQ	Tue, Sep 15, 2009	47.31	47.69	47.05	47.21
2991	NYSE	DRQ	Mon, Sep 14, 2009	46.78	47.55	46.36	47.55
2990	NYSE	DRQ	Fri, Sep 11, 2009	47.14	48.39	46.70	47.42
2989	NYSE	DRQ	Thu, Sep 10, 2009	45.60	47.37	45.07	46.93
2988	NYSE	DRQ	Wed, Sep 9, 2009	45.24	45.64	44.17	45.50
2987	NYSE	DRQ	Tue, Sep 8, 2009	44.46	45.27	44.42	45.23
2986	NYSE	DRQ	Fri, Sep 4, 2009	42.86	44.11	42.63	43.92
2985	NYSE	DRQ	Thu, Sep 3, 2009	42.46	43.20	42.25	43.10
2984	NYSE	DRQ	Wed, Sep 2, 2009	41.61	42.45	40.95	42.13
2983	NYSE	DRQ	Tue, Sep 1, 2009	42.10	42.80	41.02	41.54
2982	NYSE	DRQ	Mon, Aug 31, 2009	43.45	43.48	42.01	42.66
2981	NYSE	DRQ	Fri, Aug 28, 2009	43.85	44.52	43.13	44.04
2980	NYSE	DRQ	Thu, Aug 27, 2009	43.80	43.80	42.06	43.24
2979	NYSE	DRQ	Wed, Aug 26, 2009	43.94	44.44	43.20	43.92
2978	NYSE	DRQ	Tue, Aug 25, 2009	45.42	45.43	43.83	44.21
2977	NYSE	DRQ	Mon, Aug 24, 2009	44.49	45.30	44.34	45.23
2976	NYSE	DRQ	Fri, Aug 21, 2009	43.71	44.48	43.56	44.05
2975	NYSE	DRQ	Thu, Aug 20, 2009	41.16	43.43	40.68	43.03
2974	NYSE	DRQ	Wed, Aug 19, 2009	38.36	41.26	38.23	41.19
2973	NYSE	DRQ	Tue, Aug 18, 2009	38.52	39.51	38.18	39.31
2972	NYSE	DRQ	Mon, Aug 17, 2009	39.31	39.58	37.72	38.17
2971	NYSE	DRQ	Fri, Aug 14, 2009	40.91	40.93	39.70	40.19
2970	NYSE	DRQ	Thu, Aug 13, 2009	40.74	41.07	39.82	41.07
2969	NYSE	DRQ	Wed, Aug 12, 2009	39.87	40.71	39.80	40.13
2968	NYSE	DRQ	Tue, Aug 11, 2009	41.67	41.97	39.67	39.71
2967	NYSE	DRQ	Mon, Aug 10, 2009	41.81	42.47	41.30	41.78
2966	NYSE	DRQ	Fri, Aug 7, 2009	43.50	43.98	42.05	42.24
2965	NYSE	DRQ	Thu, Aug 6, 2009	42.32	42.99	41.35	42.75
2964	NYSE	DRQ	Wed, Aug 5, 2009	43.15	43.51	41.60	42.32
2963	NYSE	DRQ	Tue, Aug 4, 2009	43.41	44.02	42.78	43.26
2962	NYSE	DRQ	Mon, Aug 3, 2009	43.10	43.98	43.10	43.88
2961	NYSE	DRQ	Fri, Jul 31, 2009	40.77	42.85	40.48	42.29
2960	NYSE	DRQ	Thu, Jul 30, 2009	40.90	41.61	40.33	41.16
2959	NYSE	DRQ	Wed, Jul 29, 2009	41.60	41.62	40.13	40.22
2958	NYSE	DRQ	Tue, Jul 28, 2009	42.15	42.51	41.00	42.49
2957	NYSE	DRQ	Mon, Jul 27, 2009	42.19	43.00	41.50	42.82
2956	NYSE	DRQ	Fri, Jul 24, 2009	41.78	42.40	41.16	42.19
2955	NYSE	DRQ	Thu, Jul 23, 2009	39.99	42.29	39.90	42.02
2954	NYSE	DRQ	Wed, Jul 22, 2009	40.16	40.67	39.14	40.19
2953	NYSE	DRQ	Tue, Jul 21, 2009	41.39	41.78	40.18	40.91
2952	NYSE	DRQ	Mon, Jul 20, 2009	41.32	41.80	40.55	40.95
2951	NYSE	DRQ	Fri, Jul 17, 2009	40.50	41.34	39.78	40.96
2950	NYSE	DRQ	Thu, Jul 16, 2009	39.01	40.68	38.41	40.47
2949	NYSE	DRQ	Wed, Jul 15, 2009	38.17	39.71	38.17	39.21
2948	NYSE	DRQ	Tue, Jul 14, 2009	37.12	37.81	36.95	37.76
2947	NYSE	DRQ	Mon, Jul 13, 2009	35.77	36.89	34.49	36.83
2946	NYSE	DRQ	Fri, Jul 10, 2009	35.09	35.94	34.81	35.72
2945	NYSE	DRQ	Thu, Jul 9, 2009	35.69	36.67	34.95	35.91
2944	NYSE	DRQ	Wed, Jul 8, 2009	35.68	35.78	33.95	35.13
2943	NYSE	DRQ	Tue, Jul 7, 2009	35.94	36.70	35.38	35.62
2942	NYSE	DRQ	Mon, Jul 6, 2009	35.39	35.87	34.18	35.76
2941	NYSE	DRQ	Thu, Jul 2, 2009	37.18	37.34	35.95	35.95
2940	NYSE	DRQ	Wed, Jul 1, 2009	38.50	39.48	38.22	38.37
2939	NYSE	DRQ	Tue, Jun 30, 2009	38.33	39.29	38.01	38.10
2938	NYSE	DRQ	Mon, Jun 29, 2009	38.50	39.56	38.17	38.39
2937	NYSE	DRQ	Fri, Jun 26, 2009	37.75	38.55	37.29	38.35
2936	NYSE	DRQ	Thu, Jun 25, 2009	36.00	37.90	35.93	37.88
2935	NYSE	DRQ	Wed, Jun 24, 2009	35.75	36.87	35.60	36.19
2934	NYSE	DRQ	Tue, Jun 23, 2009	35.60	36.35	35.12	35.56
2933	NYSE	DRQ	Mon, Jun 22, 2009	37.83	37.83	35.32	35.34
2932	NYSE	DRQ	Fri, Jun 19, 2009	38.65	39.08	37.85	38.52
2931	NYSE	DRQ	Thu, Jun 18, 2009	38.27	38.73	37.54	38.14
2930	NYSE	DRQ	Wed, Jun 17, 2009	38.83	38.92	37.18	38.44
2929	NYSE	DRQ	Tue, Jun 16, 2009	40.10	40.32	38.58	38.94
2928	NYSE	DRQ	Mon, Jun 15, 2009	39.69	39.69	38.30	39.39
2927	NYSE	DRQ	Fri, Jun 12, 2009	41.68	41.68	39.54	40.01
2926	NYSE	DRQ	Thu, Jun 11, 2009	41.51	42.39	41.25	41.81
2925	NYSE	DRQ	Wed, Jun 10, 2009	41.76	42.18	40.84	41.30
2924	NYSE	DRQ	Tue, Jun 9, 2009	41.60	41.73	40.04	41.05
2923	NYSE	DRQ	Mon, Jun 8, 2009	41.75	41.75	39.78	41.02
2922	NYSE	DRQ	Fri, Jun 5, 2009	43.90	44.41	41.87	42.26
2921	NYSE	DRQ	Thu, Jun 4, 2009	41.73	43.85	41.60	43.46
2920	NYSE	DRQ	Wed, Jun 3, 2009	43.23	43.33	40.52	41.34
2919	NYSE	DRQ	Tue, Jun 2, 2009	44.62	46.40	44.01	44.19
2918	NYSE	DRQ	Mon, Jun 1, 2009	42.28	44.77	42.28	44.49
2917	NYSE	DRQ	Fri, May 29, 2009	40.78	41.67	40.53	41.32
2916	NYSE	DRQ	Thu, May 28, 2009	41.16	41.79	39.22	40.52
2915	NYSE	DRQ	Wed, May 27, 2009	40.50	41.68	40.34	40.70
2914	NYSE	DRQ	Tue, May 26, 2009	38.34	40.81	38.30	40.66
2913	NYSE	DRQ	Fri, May 22, 2009	39.70	40.34	39.24	39.28
2912	NYSE	DRQ	Thu, May 21, 2009	39.60	40.14	38.65	39.32
2911	NYSE	DRQ	Wed, May 20, 2009	42.27	43.37	40.34	40.61
2910	NYSE	DRQ	Tue, May 19, 2009	41.31	42.55	40.52	41.79
2909	NYSE	DRQ	Mon, May 18, 2009	40.11	41.42	40.11	41.30
2908	NYSE	DRQ	Fri, May 15, 2009	39.20	40.35	38.92	39.45
2907	NYSE	DRQ	Thu, May 14, 2009	37.25	39.72	37.02	39.24
2906	NYSE	DRQ	Wed, May 13, 2009	38.59	39.12	37.18	37.27
2905	NYSE	DRQ	Tue, May 12, 2009	39.34	40.39	38.83	39.31
2904	NYSE	DRQ	Mon, May 11, 2009	40.05	40.49	38.52	40.17
2903	NYSE	DRQ	Fri, May 8, 2009	37.65	40.88	37.48	40.82
2902	NYSE	DRQ	Thu, May 7, 2009	39.13	39.86	36.29	36.93
2901	NYSE	DRQ	Wed, May 6, 2009	38.21	38.79	37.19	38.36
2900	NYSE	DRQ	Tue, May 5, 2009	37.39	37.58	36.32	37.52
2899	NYSE	DRQ	Mon, May 4, 2009	35.99	37.67	35.99	37.45
2898	NYSE	DRQ	Fri, May 1, 2009	34.42	36.73	34.10	35.67
2897	NYSE	DRQ	Thu, Apr 30, 2009	34.63	35.37	33.47	34.38
2896	NYSE	DRQ	Wed, Apr 29, 2009	32.90	34.74	32.78	34.42
2895	NYSE	DRQ	Tue, Apr 28, 2009	32.44	32.76	31.46	32.51
2894	NYSE	DRQ	Mon, Apr 27, 2009	33.28	33.28	32.28	32.88
2893	NYSE	DRQ	Fri, Apr 24, 2009	33.21	34.49	33.05	34.10
2892	NYSE	DRQ	Thu, Apr 23, 2009	33.41	33.67	32.02	32.62
2891	NYSE	DRQ	Wed, Apr 22, 2009	32.11	33.78	31.94	32.97
2890	NYSE	DRQ	Tue, Apr 21, 2009	30.61	32.67	30.24	32.66
2889	NYSE	DRQ	Mon, Apr 20, 2009	31.28	31.66	30.50	30.84
2888	NYSE	DRQ	Fri, Apr 17, 2009	32.21	32.66	31.68	32.41
2887	NYSE	DRQ	Thu, Apr 16, 2009	31.87	32.62	31.09	32.27
2886	NYSE	DRQ	Wed, Apr 15, 2009	31.66	32.03	31.12	31.46
2885	NYSE	DRQ	Tue, Apr 14, 2009	32.28	32.94	31.21	31.76
2884	NYSE	DRQ	Mon, Apr 13, 2009	33.04	33.04	31.89	32.54
2883	NYSE	DRQ	Thu, Apr 9, 2009	33.13	34.24	32.84	33.59
2882	NYSE	DRQ	Wed, Apr 8, 2009	31.85	32.58	31.37	32.25
2881	NYSE	DRQ	Tue, Apr 7, 2009	31.07	32.18	30.49	31.74
2880	NYSE	DRQ	Mon, Apr 6, 2009	31.80	32.46	30.87	31.68
2879	NYSE	DRQ	Fri, Apr 3, 2009	32.44	33.66	31.71	32.80
2878	NYSE	DRQ	Thu, Apr 2, 2009	31.71	33.37	31.71	32.69
2877	NYSE	DRQ	Wed, Apr 1, 2009	30.00	30.69	29.31	30.26
2876	NYSE	DRQ	Tue, Mar 31, 2009	31.32	31.65	30.25	30.70
2875	NYSE	DRQ	Mon, Mar 30, 2009	30.57	30.97	29.36	30.64
2874	NYSE	DRQ	Fri, Mar 27, 2009	32.44	32.44	30.71	30.99
2873	NYSE	DRQ	Thu, Mar 26, 2009	32.25	33.22	31.52	32.62
2872	NYSE	DRQ	Wed, Mar 25, 2009	30.74	32.28	29.97	31.52
2871	NYSE	DRQ	Tue, Mar 24, 2009	29.97	31.35	29.66	30.72
2870	NYSE	DRQ	Mon, Mar 23, 2009	27.72	30.53	27.72	30.53
2869	NYSE	DRQ	Fri, Mar 20, 2009	29.04	29.47	27.00	27.03
2868	NYSE	DRQ	Thu, Mar 19, 2009	27.75	30.64	27.74	29.18
2867	NYSE	DRQ	Wed, Mar 18, 2009	25.42	27.20	25.07	26.87
2866	NYSE	DRQ	Tue, Mar 17, 2009	25.72	25.97	24.85	25.62
2865	NYSE	DRQ	Mon, Mar 16, 2009	25.38	26.25	25.34	25.48
2864	NYSE	DRQ	Fri, Mar 13, 2009	24.11	25.76	24.11	25.10
2863	NYSE	DRQ	Thu, Mar 12, 2009	23.27	25.50	23.00	25.21
2862	NYSE	DRQ	Wed, Mar 11, 2009	23.41	23.72	22.76	23.29
2861	NYSE	DRQ	Tue, Mar 10, 2009	23.01	23.97	22.72	23.40
2860	NYSE	DRQ	Mon, Mar 9, 2009	21.73	23.04	21.38	22.40
2859	NYSE	DRQ	Fri, Mar 6, 2009	21.45	22.03	20.81	21.98
2858	NYSE	DRQ	Thu, Mar 5, 2009	19.98	20.82	19.81	20.79
2857	NYSE	DRQ	Wed, Mar 4, 2009	19.60	21.29	19.60	20.77
2856	NYSE	DRQ	Tue, Mar 3, 2009	18.67	19.73	18.30	18.90
2855	NYSE	DRQ	Mon, Mar 2, 2009	20.12	20.43	18.13	18.38
2854	NYSE	DRQ	Fri, Feb 27, 2009	19.89	21.83	19.89	21.02
2853	NYSE	DRQ	Thu, Feb 26, 2009	20.62	21.82	20.48	21.35
2852	NYSE	DRQ	Wed, Feb 25, 2009	20.44	20.98	19.70	20.32
2851	NYSE	DRQ	Tue, Feb 24, 2009	20.28	20.75	19.71	20.52
2850	NYSE	DRQ	Mon, Feb 23, 2009	21.86	22.06	19.82	19.90
2849	NYSE	DRQ	Fri, Feb 20, 2009	21.95	22.39	20.68	21.56
2848	NYSE	DRQ	Thu, Feb 19, 2009	22.42	23.08	22.35	22.41
2847	NYSE	DRQ	Wed, Feb 18, 2009	22.77	23.09	21.66	22.01
2846	NYSE	DRQ	Tue, Feb 17, 2009	23.75	24.11	22.35	22.42
2845	NYSE	DRQ	Fri, Feb 13, 2009	24.74	25.69	24.54	24.69
2844	NYSE	DRQ	Thu, Feb 12, 2009	23.39	24.91	23.27	24.66
2843	NYSE	DRQ	Wed, Feb 11, 2009	24.53	25.01	23.54	24.12
2842	NYSE	DRQ	Tue, Feb 10, 2009	25.35	26.16	24.17	24.29
2841	NYSE	DRQ	Mon, Feb 9, 2009	25.32	26.23	24.96	25.45
2840	NYSE	DRQ	Fri, Feb 6, 2009	24.16	25.63	23.88	25.34
2839	NYSE	DRQ	Thu, Feb 5, 2009	23.85	24.49	23.47	24.12
2838	NYSE	DRQ	Wed, Feb 4, 2009	23.46	24.76	23.46	23.97
2837	NYSE	DRQ	Tue, Feb 3, 2009	23.96	24.10	23.00	23.42
2836	NYSE	DRQ	Mon, Feb 2, 2009	24.09	25.09	23.53	24.10
2835	NYSE	DRQ	Fri, Jan 30, 2009	25.36	26.05	24.38	24.50
2834	NYSE	DRQ	Thu, Jan 29, 2009	26.26	26.26	24.88	25.15
2833	NYSE	DRQ	Wed, Jan 28, 2009	26.24	26.94	26.03	26.69
2832	NYSE	DRQ	Tue, Jan 27, 2009	25.59	26.29	24.56	26.07
2831	NYSE	DRQ	Mon, Jan 26, 2009	24.32	26.18	24.12	25.57
2830	NYSE	DRQ	Fri, Jan 23, 2009	22.51	24.67	22.33	24.21
2829	NYSE	DRQ	Thu, Jan 22, 2009	23.61	24.17	22.57	23.37
2828	NYSE	DRQ	Wed, Jan 21, 2009	22.01	24.50	22.01	24.41
2827	NYSE	DRQ	Tue, Jan 20, 2009	22.33	23.10	21.90	22.02
2826	NYSE	DRQ	Fri, Jan 16, 2009	22.56	22.93	21.66	22.54
2825	NYSE	DRQ	Thu, Jan 15, 2009	21.28	22.15	20.36	21.96
2824	NYSE	DRQ	Wed, Jan 14, 2009	21.50	21.79	21.00	21.34
2823	NYSE	DRQ	Tue, Jan 13, 2009	21.50	22.24	21.28	22.06
2822	NYSE	DRQ	Mon, Jan 12, 2009	22.01	22.01	21.10	21.55
2821	NYSE	DRQ	Fri, Jan 9, 2009	23.59	23.64	22.07	22.16
2820	NYSE	DRQ	Thu, Jan 8, 2009	22.62	23.64	22.39	23.62
2819	NYSE	DRQ	Wed, Jan 7, 2009	22.68	23.70	22.31	22.82
2818	NYSE	DRQ	Tue, Jan 6, 2009	22.63	24.20	22.63	23.77
2817	NYSE	DRQ	Mon, Jan 5, 2009	22.08	22.82	21.69	22.58
2816	NYSE	DRQ	Fri, Jan 2, 2009	20.86	22.33	20.75	22.03
2815	NYSE	DRQ	Wed, Dec 31, 2008	19.50	21.00	19.15	20.51
2814	NYSE	DRQ	Tue, Dec 30, 2008	19.04	19.61	18.53	19.54
2813	NYSE	DRQ	Mon, Dec 29, 2008	18.45	19.07	18.02	18.98
2812	NYSE	DRQ	Fri, Dec 26, 2008	17.56	18.17	17.49	18.13
2811	NYSE	DRQ	Wed, Dec 24, 2008	17.27	17.65	17.04	17.53
2810	NYSE	DRQ	Tue, Dec 23, 2008	18.13	18.13	16.59	17.60
2809	NYSE	DRQ	Mon, Dec 22, 2008	18.34	18.59	17.03	17.58
2808	NYSE	DRQ	Fri, Dec 19, 2008	18.85	19.48	18.06	18.27
2807	NYSE	DRQ	Thu, Dec 18, 2008	20.30	20.30	18.27	18.58
2806	NYSE	DRQ	Wed, Dec 17, 2008	20.62	21.32	20.15	20.46
2805	NYSE	DRQ	Tue, Dec 16, 2008	20.45	20.93	19.92	20.78
2804	NYSE	DRQ	Mon, Dec 15, 2008	20.87	21.76	19.56	20.01
2803	NYSE	DRQ	Fri, Dec 12, 2008	18.50	20.88	18.33	20.56
2802	NYSE	DRQ	Thu, Dec 11, 2008	20.87	21.32	19.22	19.64
2801	NYSE	DRQ	Wed, Dec 10, 2008	20.81	22.00	20.23	20.61
2800	NYSE	DRQ	Tue, Dec 9, 2008	20.15	21.43	19.67	20.55
2799	NYSE	DRQ	Mon, Dec 8, 2008	18.49	20.48	18.49	20.03
2798	NYSE	DRQ	Fri, Dec 5, 2008	16.92	17.59	15.38	17.50
2797	NYSE	DRQ	Thu, Dec 4, 2008	18.71	19.10	16.60	17.21
2796	NYSE	DRQ	Wed, Dec 3, 2008	18.13	19.10	17.55	18.96
2795	NYSE	DRQ	Tue, Dec 2, 2008	18.61	19.66	17.87	18.75
2794	NYSE	DRQ	Mon, Dec 1, 2008	19.06	19.91	18.44	18.55
2793	NYSE	DRQ	Fri, Nov 28, 2008	20.02	20.24	19.45	19.68
2792	NYSE	DRQ	Wed, Nov 26, 2008	17.43	20.39	17.25	20.31
2791	NYSE	DRQ	Tue, Nov 25, 2008	18.00	18.42	16.79	17.66
2790	NYSE	DRQ	Mon, Nov 24, 2008	16.93	18.40	16.44	18.17
2789	NYSE	DRQ	Fri, Nov 21, 2008	14.79	16.44	14.29	16.42
2788	NYSE	DRQ	Thu, Nov 20, 2008	16.12	16.12	14.15	14.30
2787	NYSE	DRQ	Wed, Nov 19, 2008	17.78	18.05	16.62	16.63
2786	NYSE	DRQ	Tue, Nov 18, 2008	17.70	18.14	16.99	18.00
2785	NYSE	DRQ	Mon, Nov 17, 2008	18.41	18.51	16.60	17.71
2784	NYSE	DRQ	Fri, Nov 14, 2008	18.73	19.56	17.97	18.51
2783	NYSE	DRQ	Thu, Nov 13, 2008	17.65	19.27	16.39	19.27
2782	NYSE	DRQ	Wed, Nov 12, 2008	18.51	21.34	18.03	18.08
2781	NYSE	DRQ	Tue, Nov 11, 2008	20.43	21.01	19.50	20.29
2780	NYSE	DRQ	Mon, Nov 10, 2008	23.84	24.35	20.57	21.04
2779	NYSE	DRQ	Fri, Nov 7, 2008	22.82	23.43	21.95	23.00
2778	NYSE	DRQ	Thu, Nov 6, 2008	24.50	24.67	22.37	22.57
2777	NYSE	DRQ	Wed, Nov 5, 2008	25.61	26.76	24.70	24.90
2776	NYSE	DRQ	Tue, Nov 4, 2008	25.58	26.52	25.29	26.40
2775	NYSE	DRQ	Mon, Nov 3, 2008	24.45	25.54	24.09	24.60
2774	NYSE	DRQ	Fri, Oct 31, 2008	23.62	25.58	23.08	24.70
2773	NYSE	DRQ	Thu, Oct 30, 2008	23.35	24.50	22.63	24.46
2772	NYSE	DRQ	Wed, Oct 29, 2008	21.28	23.73	20.79	22.35
2771	NYSE	DRQ	Tue, Oct 28, 2008	20.37	20.98	18.79	20.98
2770	NYSE	DRQ	Mon, Oct 27, 2008	21.12	21.43	19.40	19.54
2769	NYSE	DRQ	Fri, Oct 24, 2008	21.25	22.35	21.03	21.53
2768	NYSE	DRQ	Thu, Oct 23, 2008	23.76	24.31	21.65	23.36
2767	NYSE	DRQ	Wed, Oct 22, 2008	26.52	26.79	22.35	23.29
2766	NYSE	DRQ	Tue, Oct 21, 2008	27.16	29.14	26.37	27.85
2765	NYSE	DRQ	Mon, Oct 20, 2008	27.06	29.23	27.06	27.99
2764	NYSE	DRQ	Fri, Oct 17, 2008	26.15	29.35	25.27	26.42
2763	NYSE	DRQ	Thu, Oct 16, 2008	25.41	27.29	23.57	27.11
2762	NYSE	DRQ	Wed, Oct 15, 2008	29.36	30.11	25.31	25.31
2761	NYSE	DRQ	Tue, Oct 14, 2008	32.12	33.12	29.72	31.08
2760	NYSE	DRQ	Mon, Oct 13, 2008	28.16	30.87	26.81	30.84
2759	NYSE	DRQ	Fri, Oct 10, 2008	25.02	28.69	23.44	26.56
2758	NYSE	DRQ	Thu, Oct 9, 2008	29.65	30.38	27.23	27.29
2757	NYSE	DRQ	Wed, Oct 8, 2008	29.99	31.71	27.92	29.46
2756	NYSE	DRQ	Tue, Oct 7, 2008	34.67	35.43	30.87	30.94
2755	NYSE	DRQ	Mon, Oct 6, 2008	33.95	34.67	30.02	33.98
2754	NYSE	DRQ	Fri, Oct 3, 2008	37.02	39.30	35.86	35.93
2753	NYSE	DRQ	Thu, Oct 2, 2008	41.20	41.85	36.19	36.45
2752	NYSE	DRQ	Wed, Oct 1, 2008	42.73	43.32	40.58	42.06
2751	NYSE	DRQ	Tue, Sep 30, 2008	42.92	43.93	41.88	43.39
2750	NYSE	DRQ	Mon, Sep 29, 2008	44.48	45.24	40.51	42.09
2749	NYSE	DRQ	Fri, Sep 26, 2008	46.19	46.50	44.42	46.27
2748	NYSE	DRQ	Thu, Sep 25, 2008	47.38	47.63	45.91	47.33
2747	NYSE	DRQ	Wed, Sep 24, 2008	49.16	49.16	47.18	47.29
2746	NYSE	DRQ	Tue, Sep 23, 2008	48.39	49.74	47.04	47.59
2745	NYSE	DRQ	Mon, Sep 22, 2008	48.99	50.81	48.07	48.32
2744	NYSE	DRQ	Fri, Sep 19, 2008	50.00	61.99	46.66	48.30
2743	NYSE	DRQ	Thu, Sep 18, 2008	46.00	48.78	44.44	47.34
2742	NYSE	DRQ	Wed, Sep 17, 2008	44.25	45.94	42.07	43.92
2741	NYSE	DRQ	Tue, Sep 16, 2008	42.43	44.90	40.08	44.50
2740	NYSE	DRQ	Mon, Sep 15, 2008	46.43	47.23	43.81	44.16
2739	NYSE	DRQ	Fri, Sep 12, 2008	45.44	48.40	44.50	48.23
2738	NYSE	DRQ	Thu, Sep 11, 2008	44.90	44.91	42.69	44.78
2737	NYSE	DRQ	Wed, Sep 10, 2008	44.67	45.25	43.31	44.93
2736	NYSE	DRQ	Tue, Sep 9, 2008	47.82	47.93	43.98	43.99
2735	NYSE	DRQ	Mon, Sep 8, 2008	49.82	50.32	48.00	48.17
2734	NYSE	DRQ	Fri, Sep 5, 2008	49.17	49.62	47.59	49.34
2733	NYSE	DRQ	Thu, Sep 4, 2008	49.01	50.37	47.91	48.83
2732	NYSE	DRQ	Wed, Sep 3, 2008	49.53	50.32	48.75	49.53
2731	NYSE	DRQ	Tue, Sep 2, 2008	54.53	54.53	49.96	49.96
2730	NYSE	DRQ	Fri, Aug 29, 2008	55.98	56.21	54.76	55.01
2729	NYSE	DRQ	Thu, Aug 28, 2008	57.60	58.00	54.57	55.35
2728	NYSE	DRQ	Wed, Aug 27, 2008	56.87	57.27	55.66	56.91
2727	NYSE	DRQ	Tue, Aug 26, 2008	55.28	56.54	54.91	56.14
2726	NYSE	DRQ	Mon, Aug 25, 2008	56.20	56.20	54.24	54.69
2725	NYSE	DRQ	Fri, Aug 22, 2008	56.70	57.20	55.67	56.20
2724	NYSE	DRQ	Thu, Aug 21, 2008	58.14	58.71	57.13	57.58
2723	NYSE	DRQ	Wed, Aug 20, 2008	56.50	57.80	55.59	57.10
2722	NYSE	DRQ	Tue, Aug 19, 2008	52.30	55.63	51.99	55.63
2721	NYSE	DRQ	Mon, Aug 18, 2008	53.71	54.40	51.80	52.48
2720	NYSE	DRQ	Fri, Aug 15, 2008	54.98	54.98	52.93	53.25
2719	NYSE	DRQ	Thu, Aug 14, 2008	55.46	56.26	54.19	54.59
2718	NYSE	DRQ	Wed, Aug 13, 2008	53.90	55.61	52.59	55.46
2717	NYSE	DRQ	Tue, Aug 12, 2008	53.55	54.49	52.98	53.70
2716	NYSE	DRQ	Mon, Aug 11, 2008	52.62	53.54	51.50	53.14
2715	NYSE	DRQ	Fri, Aug 8, 2008	50.64	52.89	50.29	51.81
2714	NYSE	DRQ	Thu, Aug 7, 2008	50.55	53.98	50.55	52.32
2713	NYSE	DRQ	Wed, Aug 6, 2008	48.47	50.74	48.13	50.59
2712	NYSE	DRQ	Tue, Aug 5, 2008	49.47	50.16	47.31	48.13
2711	NYSE	DRQ	Mon, Aug 4, 2008	54.18	54.18	49.33	49.78
2710	NYSE	DRQ	Fri, Aug 1, 2008	53.68	55.56	53.44	54.31
2709	NYSE	DRQ	Thu, Jul 31, 2008	54.83	55.06	53.51	54.14
2708	NYSE	DRQ	Wed, Jul 30, 2008	52.07	55.69	52.04	55.49
2707	NYSE	DRQ	Tue, Jul 29, 2008	52.91	53.16	51.65	52.39
2706	NYSE	DRQ	Mon, Jul 28, 2008	53.17	53.99	51.55	53.20
2705	NYSE	DRQ	Fri, Jul 25, 2008	51.73	54.35	51.52	52.86
2704	NYSE	DRQ	Thu, Jul 24, 2008	52.66	52.68	50.32	51.50
2703	NYSE	DRQ	Wed, Jul 23, 2008	53.03	53.13	50.90	51.82
2702	NYSE	DRQ	Tue, Jul 22, 2008	55.94	56.80	53.18	53.47
2701	NYSE	DRQ	Mon, Jul 21, 2008	55.53	56.82	54.40	56.82
2700	NYSE	DRQ	Fri, Jul 18, 2008	54.47	55.41	53.68	54.72
2699	NYSE	DRQ	Thu, Jul 17, 2008	57.13	58.46	53.95	54.51
2698	NYSE	DRQ	Wed, Jul 16, 2008	58.44	58.83	55.92	57.13
2697	NYSE	DRQ	Tue, Jul 15, 2008	60.09	60.13	57.33	58.55
2696	NYSE	DRQ	Mon, Jul 14, 2008	57.21	60.62	57.21	60.07
2695	NYSE	DRQ	Fri, Jul 11, 2008	56.57	57.71	55.61	57.01
2694	NYSE	DRQ	Thu, Jul 10, 2008	53.81	56.52	52.47	56.20
2693	NYSE	DRQ	Wed, Jul 9, 2008	55.63	56.68	54.02	54.03
2692	NYSE	DRQ	Tue, Jul 8, 2008	56.14	56.14	53.23	54.85
2691	NYSE	DRQ	Mon, Jul 7, 2008	55.64	57.75	55.16	56.50
2690	NYSE	DRQ	Thu, Jul 3, 2008	59.06	59.52	55.94	56.48
2689	NYSE	DRQ	Wed, Jul 2, 2008	62.44	63.59	59.21	59.28
2688	NYSE	DRQ	Tue, Jul 1, 2008	62.75	63.55	61.41	62.69
2687	NYSE	DRQ	Mon, Jun 30, 2008	64.79	64.79	62.30	63.00
2686	NYSE	DRQ	Fri, Jun 27, 2008	63.64	64.89	62.60	63.64
2685	NYSE	DRQ	Thu, Jun 26, 2008	62.74	64.09	61.09	62.90
2684	NYSE	DRQ	Wed, Jun 25, 2008	63.39	63.39	60.52	62.79
2683	NYSE	DRQ	Tue, Jun 24, 2008	64.50	65.25	62.49	62.61
2682	NYSE	DRQ	Mon, Jun 23, 2008	62.01	64.21	61.74	64.21
2681	NYSE	DRQ	Fri, Jun 20, 2008	62.66	62.69	61.00	61.88
2680	NYSE	DRQ	Thu, Jun 19, 2008	62.30	63.66	61.87	62.53
2679	NYSE	DRQ	Wed, Jun 18, 2008	62.89	63.23	60.98	62.11
2678	NYSE	DRQ	Tue, Jun 17, 2008	62.25	63.11	61.82	63.11
2677	NYSE	DRQ	Mon, Jun 16, 2008	61.21	62.63	60.13	62.45
2676	NYSE	DRQ	Fri, Jun 13, 2008	60.50	61.13	59.57	60.61
2675	NYSE	DRQ	Thu, Jun 12, 2008	61.01	61.23	60.06	60.11
2674	NYSE	DRQ	Wed, Jun 11, 2008	61.80	62.73	61.34	61.51
2673	NYSE	DRQ	Tue, Jun 10, 2008	62.79	62.38	60.75	61.57
2672	NYSE	DRQ	Mon, Jun 9, 2008	62.49	63.75	61.88	62.81
2671	NYSE	DRQ	Fri, Jun 6, 2008	60.50	62.67	60.50	61.60
2670	NYSE	DRQ	Thu, Jun 5, 2008	58.03	60.69	57.93	60.55
2669	NYSE	DRQ	Wed, Jun 4, 2008	57.57	58.71	57.12	57.58
2668	NYSE	DRQ	Tue, Jun 3, 2008	57.75	59.38	57.35	57.68
2667	NYSE	DRQ	Mon, Jun 2, 2008	58.23	58.72	57.15	57.85
2666	NYSE	DRQ	Fri, May 30, 2008	58.66	58.81	57.44	58.34
2665	NYSE	DRQ	Thu, May 29, 2008	58.58	59.14	57.81	58.22
2664	NYSE	DRQ	Wed, May 28, 2008	58.69	59.56	57.68	59.46
2663	NYSE	DRQ	Tue, May 27, 2008	58.65	59.62	58.65	59.12
2662	NYSE	DRQ	Fri, May 23, 2008	61.66	61.83	58.78	59.46
2661	NYSE	DRQ	Thu, May 22, 2008	63.28	63.29	60.86	61.42
2660	NYSE	DRQ	Wed, May 21, 2008	61.56	65.36	61.56	63.09
2659	NYSE	DRQ	Tue, May 20, 2008	61.15	61.73	60.36	61.32
2658	NYSE	DRQ	Mon, May 19, 2008	61.88	62.09	60.59	61.14
2657	NYSE	DRQ	Fri, May 16, 2008	59.67	61.51	58.63	61.41
2656	NYSE	DRQ	Thu, May 15, 2008	58.81	59.10	57.59	58.98
2655	NYSE	DRQ	Wed, May 14, 2008	59.05	59.53	57.78	58.13
2654	NYSE	DRQ	Tue, May 13, 2008	57.74	59.16	56.95	59.02
2653	NYSE	DRQ	Mon, May 12, 2008	59.30	59.85	56.81	58.03
2652	NYSE	DRQ	Fri, May 9, 2008	54.50	59.66	53.25	59.54
2651	NYSE	DRQ	Thu, May 8, 2008	59.74	61.01	58.04	60.92
2650	NYSE	DRQ	Wed, May 7, 2008	59.50	60.10	58.75	59.30
2649	NYSE	DRQ	Tue, May 6, 2008	57.13	59.92	57.13	59.58
2648	NYSE	DRQ	Mon, May 5, 2008	57.15	58.41	57.04	57.05
2647	NYSE	DRQ	Fri, May 2, 2008	56.95	57.96	56.70	57.35
2646	NYSE	DRQ	Thu, May 1, 2008	56.78	57.71	54.20	56.64
2645	NYSE	DRQ	Wed, Apr 30, 2008	57.00	57.76	56.15	57.16
2644	NYSE	DRQ	Tue, Apr 29, 2008	58.55	58.62	56.27	56.75
2643	NYSE	DRQ	Mon, Apr 28, 2008	59.77	59.77	58.38	58.75
2642	NYSE	DRQ	Fri, Apr 25, 2008	60.41	60.60	58.48	59.45
2641	NYSE	DRQ	Thu, Apr 24, 2008	59.27	59.88	58.44	59.58
2640	NYSE	DRQ	Wed, Apr 23, 2008	60.49	60.49	58.64	59.58
2639	NYSE	DRQ	Tue, Apr 22, 2008	60.90	61.35	59.90	60.40
2638	NYSE	DRQ	Mon, Apr 21, 2008	61.41	61.73	60.17	60.90
2637	NYSE	DRQ	Fri, Apr 18, 2008	60.29	62.47	59.39	61.37
2636	NYSE	DRQ	Thu, Apr 17, 2008	59.46	60.21	58.96	59.97
2635	NYSE	DRQ	Wed, Apr 16, 2008	57.00	59.88	56.75	59.70
2634	NYSE	DRQ	Tue, Apr 15, 2008	55.72	56.53	55.25	56.53
2633	NYSE	DRQ	Mon, Apr 14, 2008	52.29	55.18	51.59	55.12
2632	NYSE	DRQ	Fri, Apr 11, 2008	51.50	52.94	51.13	52.20
2631	NYSE	DRQ	Thu, Apr 10, 2008	52.15	52.43	50.83	52.00
2630	NYSE	DRQ	Wed, Apr 9, 2008	50.94	52.77	50.85	51.83
2629	NYSE	DRQ	Tue, Apr 8, 2008	49.80	51.54	49.39	51.22
2628	NYSE	DRQ	Mon, Apr 7, 2008	51.57	52.17	49.97	50.02
2627	NYSE	DRQ	Fri, Apr 4, 2008	50.35	51.41	50.15	51.12
2626	NYSE	DRQ	Thu, Apr 3, 2008	49.10	50.85	48.90	50.40
2625	NYSE	DRQ	Wed, Apr 2, 2008	48.10	49.93	47.58	49.20
2624	NYSE	DRQ	Tue, Apr 1, 2008	46.47	48.03	46.01	47.94
2623	NYSE	DRQ	Mon, Mar 31, 2008	45.45	46.58	45.11	46.47
2622	NYSE	DRQ	Fri, Mar 28, 2008	46.24	46.71	45.39	45.58
2621	NYSE	DRQ	Thu, Mar 27, 2008	47.35	47.69	46.20	46.20
2620	NYSE	DRQ	Wed, Mar 26, 2008	45.88	47.88	45.67	47.39
2619	NYSE	DRQ	Tue, Mar 25, 2008	44.36	46.07	44.36	45.75
2618	NYSE	DRQ	Mon, Mar 24, 2008	44.07	45.21	43.75	44.34
2617	NYSE	DRQ	Thu, Mar 20, 2008	44.39	44.61	42.14	43.96
2616	NYSE	DRQ	Wed, Mar 19, 2008	46.67	46.99	44.58	44.72
2615	NYSE	DRQ	Tue, Mar 18, 2008	45.99	46.77	45.48	46.77
2614	NYSE	DRQ	Mon, Mar 17, 2008	45.01	46.24	44.13	44.83
2613	NYSE	DRQ	Fri, Mar 14, 2008	47.44	47.44	44.90	46.16
2612	NYSE	DRQ	Thu, Mar 13, 2008	46.34	47.40	45.34	47.19
2611	NYSE	DRQ	Wed, Mar 12, 2008	46.82	47.84	46.82	46.94
2610	NYSE	DRQ	Tue, Mar 11, 2008	46.80	47.23	45.95	47.18
2609	NYSE	DRQ	Mon, Mar 10, 2008	46.72	46.72	45.31	45.81
2608	NYSE	DRQ	Fri, Mar 7, 2008	46.75	47.47	46.06	46.46
2607	NYSE	DRQ	Thu, Mar 6, 2008	49.20	49.95	47.30	47.47
2606	NYSE	DRQ	Wed, Mar 5, 2008	48.67	49.68	48.07	49.65
2605	NYSE	DRQ	Tue, Mar 4, 2008	46.89	48.65	46.75	48.17
2604	NYSE	DRQ	Mon, Mar 3, 2008	46.25	49.44	45.87	47.28
2603	NYSE	DRQ	Fri, Feb 29, 2008	50.55	50.55	43.00	46.78
2602	NYSE	DRQ	Thu, Feb 28, 2008	51.26	53.34	51.01	52.43
2601	NYSE	DRQ	Wed, Feb 27, 2008	51.57	51.96	50.99	51.52
2600	NYSE	DRQ	Tue, Feb 26, 2008	50.21	52.16	50.21	52.01
2599	NYSE	DRQ	Mon, Feb 25, 2008	50.24	51.22	50.11	50.75
2598	NYSE	DRQ	Fri, Feb 22, 2008	50.04	50.73	48.78	50.51
2597	NYSE	DRQ	Thu, Feb 21, 2008	52.39	52.39	49.75	50.05
2596	NYSE	DRQ	Wed, Feb 20, 2008	51.45	52.40	50.50	52.00
2595	NYSE	DRQ	Tue, Feb 19, 2008	49.15	52.44	48.88	51.50
2594	NYSE	DRQ	Fri, Feb 15, 2008	48.90	49.18	47.64	48.15
2593	NYSE	DRQ	Thu, Feb 14, 2008	50.80	51.00	48.70	48.91
2592	NYSE	DRQ	Wed, Feb 13, 2008	49.38	50.64	49.25	50.48
2591	NYSE	DRQ	Tue, Feb 12, 2008	49.10	49.66	48.42	48.86
2590	NYSE	DRQ	Mon, Feb 11, 2008	48.24	49.16	47.51	48.78
2589	NYSE	DRQ	Fri, Feb 8, 2008	47.41	48.52	47.22	48.28
2588	NYSE	DRQ	Thu, Feb 7, 2008	45.67	48.06	45.67	47.45
2587	NYSE	DRQ	Wed, Feb 6, 2008	48.30	48.30	46.16	46.34
2586	NYSE	DRQ	Tue, Feb 5, 2008	48.80	49.42	47.54	47.81
2585	NYSE	DRQ	Mon, Feb 4, 2008	49.60	50.42	48.85	49.80
2584	NYSE	DRQ	Fri, Feb 1, 2008	48.40	49.83	48.11	49.64
2583	NYSE	DRQ	Thu, Jan 31, 2008	48.84	49.57	48.24	48.71
2582	NYSE	DRQ	Wed, Jan 30, 2008	50.85	51.50	49.05	49.78
2581	NYSE	DRQ	Tue, Jan 29, 2008	52.11	52.11	49.63	50.87
2580	NYSE	DRQ	Mon, Jan 28, 2008	49.63	51.45	48.95	51.28
2579	NYSE	DRQ	Fri, Jan 25, 2008	49.03	50.36	48.11	49.35
2578	NYSE	DRQ	Thu, Jan 24, 2008	49.28	51.92	48.56	48.60
2577	NYSE	DRQ	Wed, Jan 23, 2008	46.41	49.29	44.81	49.19
2576	NYSE	DRQ	Tue, Jan 22, 2008	47.48	48.56	45.51	47.59
2575	NYSE	DRQ	Fri, Jan 18, 2008	50.68	50.78	48.40	49.56
2574	NYSE	DRQ	Thu, Jan 17, 2008	52.85	53.80	50.52	50.80
2573	NYSE	DRQ	Wed, Jan 16, 2008	56.00	56.49	52.25	52.59
2572	NYSE	DRQ	Tue, Jan 15, 2008	58.18	58.68	56.32	56.52
2571	NYSE	DRQ	Mon, Jan 14, 2008	58.28	59.00	57.67	58.79
2570	NYSE	DRQ	Fri, Jan 11, 2008	58.40	60.22	57.69	57.84
2569	NYSE	DRQ	Thu, Jan 10, 2008	59.36	59.73	58.23	59.13
2568	NYSE	DRQ	Wed, Jan 9, 2008	58.00	59.76	57.29	59.58
2567	NYSE	DRQ	Tue, Jan 8, 2008	57.87	59.88	57.62	57.98
2566	NYSE	DRQ	Mon, Jan 7, 2008	56.02	58.47	55.39	57.28
2565	NYSE	DRQ	Fri, Jan 4, 2008	56.50	56.83	54.83	55.87
2564	NYSE	DRQ	Thu, Jan 3, 2008	55.38	58.13	55.00	56.94
2563	NYSE	DRQ	Wed, Jan 2, 2008	55.69	56.93	55.20	55.40
2562	NYSE	DRQ	Mon, Dec 31, 2007	58.55	58.57	55.46	55.66
2561	NYSE	DRQ	Fri, Dec 28, 2007	57.70	59.35	57.12	58.08
2560	NYSE	DRQ	Thu, Dec 27, 2007	58.57	59.08	56.92	57.02
2559	NYSE	DRQ	Wed, Dec 26, 2007	59.24	60.19	58.33	58.52
2558	NYSE	DRQ	Mon, Dec 24, 2007	58.90	59.49	58.50	59.33
2557	NYSE	DRQ	Fri, Dec 21, 2007	57.62	58.71	57.24	58.63
2556	NYSE	DRQ	Thu, Dec 20, 2007	55.99	57.56	54.97	57.21
2555	NYSE	DRQ	Wed, Dec 19, 2007	53.57	56.07	53.57	55.49
2554	NYSE	DRQ	Tue, Dec 18, 2007	54.78	55.04	52.69	53.97
2553	NYSE	DRQ	Mon, Dec 17, 2007	55.24	55.24	53.66	54.22
2552	NYSE	DRQ	Fri, Dec 14, 2007	55.63	56.62	55.04	55.55
2551	NYSE	DRQ	Thu, Dec 13, 2007	56.30	56.83	55.05	56.28
2550	NYSE	DRQ	Wed, Dec 12, 2007	57.16	58.00	56.25	57.02
2549	NYSE	DRQ	Tue, Dec 11, 2007	57.80	57.80	55.91	56.50
2548	NYSE	DRQ	Mon, Dec 10, 2007	58.49	59.33	57.19	57.40
2547	NYSE	DRQ	Fri, Dec 7, 2007	57.90	58.47	57.37	58.04
2546	NYSE	DRQ	Thu, Dec 6, 2007	55.73	57.78	55.73	57.62
2545	NYSE	DRQ	Wed, Dec 5, 2007	57.00	57.62	55.74	56.45
2544	NYSE	DRQ	Tue, Dec 4, 2007	56.00	57.00	55.53	56.77
2543	NYSE	DRQ	Mon, Dec 3, 2007	56.35	57.47	56.14	56.50
2542	NYSE	DRQ	Fri, Nov 30, 2007	56.73	57.11	55.34	56.42
2541	NYSE	DRQ	Thu, Nov 29, 2007	55.94	56.58	55.53	56.04
2540	NYSE	DRQ	Wed, Nov 28, 2007	56.39	57.88	55.63	55.75
2539	NYSE	DRQ	Tue, Nov 27, 2007	55.54	56.58	54.93	56.39
2538	NYSE	DRQ	Mon, Nov 26, 2007	57.09	58.84	56.04	56.08
2537	NYSE	DRQ	Fri, Nov 23, 2007	56.39	57.60	55.80	57.09
2536	NYSE	DRQ	Wed, Nov 21, 2007	57.22	57.82	54.84	55.83
2535	NYSE	DRQ	Tue, Nov 20, 2007	56.78	59.06	55.77	57.10
2534	NYSE	DRQ	Mon, Nov 19, 2007	57.64	57.68	55.93	56.69
2533	NYSE	DRQ	Fri, Nov 16, 2007	58.00	58.75	56.91	57.78
2532	NYSE	DRQ	Thu, Nov 15, 2007	56.64	59.52	56.51	57.84
2531	NYSE	DRQ	Wed, Nov 14, 2007	59.00	59.99	57.94	58.07
2530	NYSE	DRQ	Tue, Nov 13, 2007	58.45	58.74	56.49	58.45
2529	NYSE	DRQ	Mon, Nov 12, 2007	60.60	60.60	57.59	58.10
2528	NYSE	DRQ	Fri, Nov 9, 2007	61.97	62.10	60.26	60.55
2527	NYSE	DRQ	Thu, Nov 8, 2007	60.99	62.80	60.11	61.85
2526	NYSE	DRQ	Wed, Nov 7, 2007	62.54	63.05	60.57	60.79
2525	NYSE	DRQ	Tue, Nov 6, 2007	61.65	63.49	60.50	62.56
2524	NYSE	DRQ	Mon, Nov 5, 2007	58.81	61.30	58.42	60.89
2523	NYSE	DRQ	Fri, Nov 2, 2007	58.72	61.00	58.65	59.43
2522	NYSE	DRQ	Thu, Nov 1, 2007	53.33	59.95	53.33	57.76
2521	NYSE	DRQ	Wed, Oct 31, 2007	52.50	54.07	51.45	53.33
2520	NYSE	DRQ	Tue, Oct 30, 2007	53.88	54.21	51.89	52.26
2519	NYSE	DRQ	Mon, Oct 29, 2007	54.50	54.90	53.47	53.93
2518	NYSE	DRQ	Fri, Oct 26, 2007	54.30	54.90	53.50	54.13
2517	NYSE	DRQ	Thu, Oct 25, 2007	52.70	53.11	51.89	53.03
2516	NYSE	DRQ	Wed, Oct 24, 2007	51.08	52.26	50.61	52.14
2515	NYSE	DRQ	Tue, Oct 23, 2007	51.13	51.50	49.83	51.36
2514	NYSE	DRQ	Mon, Oct 22, 2007	50.05	51.13	49.50	50.38
2513	NYSE	DRQ	Fri, Oct 19, 2007	52.22	52.22	50.70	50.70
2512	NYSE	DRQ	Thu, Oct 18, 2007	51.39	52.73	51.14	52.54
2511	NYSE	DRQ	Wed, Oct 17, 2007	50.70	52.46	50.42	51.91
2510	NYSE	DRQ	Tue, Oct 16, 2007	49.59	50.35	49.50	50.00
2509	NYSE	DRQ	Mon, Oct 15, 2007	52.90	53.36	49.09	49.93
2508	NYSE	DRQ	Fri, Oct 12, 2007	52.98	54.84	52.98	53.90
2507	NYSE	DRQ	Thu, Oct 11, 2007	53.45	55.17	52.76	54.64
2506	NYSE	DRQ	Wed, Oct 10, 2007	51.58	52.76	51.39	52.48
2505	NYSE	DRQ	Tue, Oct 9, 2007	51.18	51.80	50.62	51.67
2504	NYSE	DRQ	Mon, Oct 8, 2007	51.83	52.04	50.72	50.89
2503	NYSE	DRQ	Fri, Oct 5, 2007	51.79	52.28	51.45	52.07
2502	NYSE	DRQ	Thu, Oct 4, 2007	50.61	51.50	49.56	51.34
2501	NYSE	DRQ	Wed, Oct 3, 2007	50.19	51.23	50.00	50.55
2500	NYSE	DRQ	Tue, Oct 2, 2007	50.20	50.67	49.59	50.49
2499	NYSE	DRQ	Mon, Oct 1, 2007	49.00	50.50	48.77	50.31
2498	NYSE	DRQ	Fri, Sep 28, 2007	48.70	49.76	48.52	49.35
2497	NYSE	DRQ	Thu, Sep 27, 2007	47.20	48.63	47.13	48.38
2496	NYSE	DRQ	Wed, Sep 26, 2007	45.77	47.21	45.70	47.04
2495	NYSE	DRQ	Tue, Sep 25, 2007	46.25	46.59	45.03	45.31
2494	NYSE	DRQ	Mon, Sep 24, 2007	47.97	48.05	47.00	47.13
2493	NYSE	DRQ	Fri, Sep 21, 2007	47.60	48.57	47.51	48.07
2492	NYSE	DRQ	Thu, Sep 20, 2007	47.95	48.24	47.13	47.57
2491	NYSE	DRQ	Wed, Sep 19, 2007	48.57	48.90	47.19	47.95
2490	NYSE	DRQ	Tue, Sep 18, 2007	48.09	48.51	47.16	48.31
2489	NYSE	DRQ	Mon, Sep 17, 2007	48.90	49.00	47.77	48.06
2488	NYSE	DRQ	Fri, Sep 14, 2007	49.00	49.34	48.64	49.00
2487	NYSE	DRQ	Thu, Sep 13, 2007	49.82	50.00	49.08	49.12
2486	NYSE	DRQ	Wed, Sep 12, 2007	49.29	49.85	48.86	49.44
2485	NYSE	DRQ	Tue, Sep 11, 2007	48.43	49.75	47.84	49.29
2484	NYSE	DRQ	Mon, Sep 10, 2007	48.29	48.78	47.20	48.15
2483	NYSE	DRQ	Fri, Sep 7, 2007	47.79	48.64	47.05	48.28
2482	NYSE	DRQ	Thu, Sep 6, 2007	48.30	49.03	47.78	48.50
2481	NYSE	DRQ	Wed, Sep 5, 2007	47.90	48.75	46.78	47.93
2480	NYSE	DRQ	Tue, Sep 4, 2007	47.09	49.07	46.88	48.34
2479	NYSE	DRQ	Fri, Aug 31, 2007	46.50	47.60	46.20	47.06
2478	NYSE	DRQ	Thu, Aug 30, 2007	44.45	46.09	44.45	45.90
2477	NYSE	DRQ	Wed, Aug 29, 2007	43.75	45.74	43.49	45.57
2476	NYSE	DRQ	Tue, Aug 28, 2007	44.52	44.72	43.40	43.40
2475	NYSE	DRQ	Mon, Aug 27, 2007	45.55	46.30	44.58	44.78
2474	NYSE	DRQ	Fri, Aug 24, 2007	45.24	46.20	44.65	46.19
2473	NYSE	DRQ	Thu, Aug 23, 2007	45.25	45.50	44.70	45.31
2472	NYSE	DRQ	Wed, Aug 22, 2007	44.69	45.41	44.20	45.11
2471	NYSE	DRQ	Tue, Aug 21, 2007	43.55	44.48	43.19	43.69
2470	NYSE	DRQ	Mon, Aug 20, 2007	43.75	44.62	43.00	44.20
2469	NYSE	DRQ	Fri, Aug 17, 2007	42.82	44.05	42.20	43.82
2468	NYSE	DRQ	Thu, Aug 16, 2007	43.25	43.76	40.23	42.00
2467	NYSE	DRQ	Wed, Aug 15, 2007	41.00	42.72	40.52	41.81
2466	NYSE	DRQ	Tue, Aug 14, 2007	42.36	43.19	41.11	41.27
2465	NYSE	DRQ	Mon, Aug 13, 2007	44.00	44.15	41.86	42.30
2464	NYSE	DRQ	Fri, Aug 10, 2007	44.90	45.40	42.23	43.15
2463	NYSE	DRQ	Thu, Aug 9, 2007	42.60	47.15	39.60	45.80
2462	NYSE	DRQ	Wed, Aug 8, 2007	40.00	45.10	39.90	43.89
2461	NYSE	DRQ	Tue, Aug 7, 2007	39.20	39.90	37.55	39.77
2460	NYSE	DRQ	Mon, Aug 6, 2007	40.01	40.29	37.60	39.42
2459	NYSE	DRQ	Fri, Aug 3, 2007	43.57	43.75	39.84	40.01
2458	NYSE	DRQ	Thu, Aug 2, 2007	44.50	44.50	41.93	44.06
2457	NYSE	DRQ	Wed, Aug 1, 2007	48.29	48.91	46.85	47.82
2456	NYSE	DRQ	Tue, Jul 31, 2007	49.13	50.27	47.88	47.99
2455	NYSE	DRQ	Mon, Jul 30, 2007	47.81	48.43	46.35	48.07
2454	NYSE	DRQ	Fri, Jul 27, 2007	47.60	48.86	46.96	47.12
2453	NYSE	DRQ	Thu, Jul 26, 2007	48.69	49.05	46.41	47.61
2452	NYSE	DRQ	Wed, Jul 25, 2007	48.75	49.22	47.07	49.20
2451	NYSE	DRQ	Tue, Jul 24, 2007	48.96	49.15	48.04	48.30
2450	NYSE	DRQ	Mon, Jul 23, 2007	49.84	49.93	48.97	49.57
2449	NYSE	DRQ	Fri, Jul 20, 2007	49.37	49.51	48.30	48.86
2448	NYSE	DRQ	Thu, Jul 19, 2007	48.05	49.66	47.81	49.48
2447	NYSE	DRQ	Wed, Jul 18, 2007	46.78	47.78	46.22	47.64
2446	NYSE	DRQ	Tue, Jul 17, 2007	47.99	48.58	47.08	47.12
2445	NYSE	DRQ	Mon, Jul 16, 2007	49.00	49.11	47.47	47.77
2444	NYSE	DRQ	Fri, Jul 13, 2007	48.51	49.34	48.50	49.13
2443	NYSE	DRQ	Thu, Jul 12, 2007	47.75	48.87	47.71	48.84
2442	NYSE	DRQ	Wed, Jul 11, 2007	46.90	47.80	46.50	47.65
2441	NYSE	DRQ	Tue, Jul 10, 2007	46.66	47.73	46.17	47.25
2440	NYSE	DRQ	Mon, Jul 9, 2007	46.66	47.23	46.45	47.21
2439	NYSE	DRQ	Fri, Jul 6, 2007	46.78	47.36	46.51	46.91
2438	NYSE	DRQ	Thu, Jul 5, 2007	46.50	46.61	45.57	46.44
2437	NYSE	DRQ	Tue, Jul 3, 2007	45.89	46.55	45.56	46.50
2436	NYSE	DRQ	Mon, Jul 2, 2007	44.95	46.28	44.83	46.28
2435	NYSE	DRQ	Fri, Jun 29, 2007	44.84	45.70	44.76	44.95
2434	NYSE	DRQ	Thu, Jun 28, 2007	45.55	46.01	44.25	44.69
2433	NYSE	DRQ	Wed, Jun 27, 2007	44.00	45.29	42.64	45.07
2432	NYSE	DRQ	Tue, Jun 26, 2007	45.81	45.84	44.15	44.53
2431	NYSE	DRQ	Mon, Jun 25, 2007	47.04	47.04	45.31	45.72
2430	NYSE	DRQ	Fri, Jun 22, 2007	47.88	48.03	46.23	47.29
2429	NYSE	DRQ	Thu, Jun 21, 2007	47.00	48.17	46.86	48.13
2428	NYSE	DRQ	Wed, Jun 20, 2007	48.65	48.65	46.63	46.66
2427	NYSE	DRQ	Tue, Jun 19, 2007	48.60	49.13	47.93	48.71
2426	NYSE	DRQ	Mon, Jun 18, 2007	47.90	48.85	47.70	48.59
2425	NYSE	DRQ	Fri, Jun 15, 2007	48.43	48.71	47.90	48.51
2424	NYSE	DRQ	Thu, Jun 14, 2007	46.82	48.13	46.82	47.71
2423	NYSE	DRQ	Wed, Jun 13, 2007	45.78	47.05	45.76	46.82
2422	NYSE	DRQ	Tue, Jun 12, 2007	46.24	46.97	45.66	45.66
2421	NYSE	DRQ	Mon, Jun 11, 2007	46.39	47.04	46.23	46.49
2420	NYSE	DRQ	Fri, Jun 8, 2007	46.00	46.79	45.00	46.61
2419	NYSE	DRQ	Thu, Jun 7, 2007	47.70	48.49	46.40	46.52
2418	NYSE	DRQ	Wed, Jun 6, 2007	48.75	48.79	47.52	47.93
2417	NYSE	DRQ	Tue, Jun 5, 2007	48.90	49.05	47.94	48.77
2416	NYSE	DRQ	Mon, Jun 4, 2007	47.75	49.22	47.75	49.14
2415	NYSE	DRQ	Fri, Jun 1, 2007	48.84	49.00	48.22	48.61
2414	NYSE	DRQ	Thu, May 31, 2007	48.55	49.45	48.00	48.52
2413	NYSE	DRQ	Wed, May 30, 2007	46.92	48.57	46.51	48.25
2412	NYSE	DRQ	Tue, May 29, 2007	47.36	47.56	46.84	47.34
2411	NYSE	DRQ	Fri, May 25, 2007	47.35	47.55	46.85	47.35
2410	NYSE	DRQ	Thu, May 24, 2007	48.35	49.02	46.19	46.55
2409	NYSE	DRQ	Wed, May 23, 2007	48.40	49.31	48.01	48.35
2408	NYSE	DRQ	Tue, May 22, 2007	49.66	49.66	48.17	48.30
2407	NYSE	DRQ	Mon, May 21, 2007	47.91	49.74	47.82	49.31
2406	NYSE	DRQ	Fri, May 18, 2007	47.22	47.84	46.96	47.70
2405	NYSE	DRQ	Thu, May 17, 2007	46.15	47.72	45.95	47.19
2404	NYSE	DRQ	Wed, May 16, 2007	45.91	46.15	45.19	46.10
2403	NYSE	DRQ	Tue, May 15, 2007	46.18	46.80	45.95	46.07
2402	NYSE	DRQ	Mon, May 14, 2007	46.55	47.36	46.25	46.36
2401	NYSE	DRQ	Fri, May 11, 2007	44.89	46.77	44.66	46.69
2400	NYSE	DRQ	Thu, May 10, 2007	46.20	46.22	44.54	44.54
2399	NYSE	DRQ	Wed, May 9, 2007	45.91	46.08	45.00	46.01
2398	NYSE	DRQ	Tue, May 8, 2007	45.52	46.13	44.67	45.91
2397	NYSE	DRQ	Mon, May 7, 2007	45.75	46.51	45.52	46.50
2396	NYSE	DRQ	Fri, May 4, 2007	46.63	47.23	45.40	45.67
2395	NYSE	DRQ	Thu, May 3, 2007	46.67	47.06	46.00	46.64
2394	NYSE	DRQ	Wed, May 2, 2007	47.23	47.40	46.00	46.66
2393	NYSE	DRQ	Tue, May 1, 2007	48.58	48.66	44.12	47.37
2392	NYSE	DRQ	Mon, Apr 30, 2007	52.00	52.92	50.49	50.50
2391	NYSE	DRQ	Fri, Apr 27, 2007	51.71	52.54	51.42	52.04
2390	NYSE	DRQ	Thu, Apr 26, 2007	51.20	51.95	50.81	51.71
2389	NYSE	DRQ	Wed, Apr 25, 2007	50.00	51.36	50.00	51.03
2388	NYSE	DRQ	Tue, Apr 24, 2007	49.60	49.60	49.00	49.55
2387	NYSE	DRQ	Mon, Apr 23, 2007	48.86	50.00	48.79	49.63
2386	NYSE	DRQ	Fri, Apr 20, 2007	47.84	48.95	47.84	48.79
2385	NYSE	DRQ	Thu, Apr 19, 2007	48.36	48.36	47.58	47.84
2384	NYSE	DRQ	Wed, Apr 18, 2007	48.99	48.99	47.83	48.35
2383	NYSE	DRQ	Tue, Apr 17, 2007	49.41	49.41	48.51	48.90
2382	NYSE	DRQ	Mon, Apr 16, 2007	48.79	49.25	48.08	49.18
2381	NYSE	DRQ	Fri, Apr 13, 2007	48.07	48.46	47.63	48.40
2380	NYSE	DRQ	Thu, Apr 12, 2007	46.73	48.22	46.50	48.13
2379	NYSE	DRQ	Wed, Apr 11, 2007	46.50	46.99	46.35	46.65
2378	NYSE	DRQ	Tue, Apr 10, 2007	45.95	47.14	45.88	46.99
2377	NYSE	DRQ	Mon, Apr 9, 2007	45.29	46.29	44.55	45.61
2376	NYSE	DRQ	Thu, Apr 5, 2007	44.50	45.32	44.22	45.02
2375	NYSE	DRQ	Wed, Apr 4, 2007	43.80	44.49	43.07	44.49
2374	NYSE	DRQ	Tue, Apr 3, 2007	44.31	44.40	43.44	43.85
2373	NYSE	DRQ	Mon, Apr 2, 2007	43.30	44.42	43.24	44.31
2372	NYSE	DRQ	Fri, Mar 30, 2007	43.90	44.00	43.18	43.28
2371	NYSE	DRQ	Thu, Mar 29, 2007	43.45	44.45	43.06	44.05
2370	NYSE	DRQ	Wed, Mar 28, 2007	42.59	43.01	42.37	42.81
2369	NYSE	DRQ	Tue, Mar 27, 2007	42.10	42.50	41.79	42.33
2368	NYSE	DRQ	Mon, Mar 26, 2007	42.50	42.50	41.63	42.41
2367	NYSE	DRQ	Fri, Mar 23, 2007	41.88	42.40	41.71	42.22
2366	NYSE	DRQ	Thu, Mar 22, 2007	41.10	41.69	40.85	41.69
2365	NYSE	DRQ	Wed, Mar 21, 2007	39.89	41.07	39.84	40.57
2364	NYSE	DRQ	Tue, Mar 20, 2007	39.75	39.97	38.89	39.48
2363	NYSE	DRQ	Mon, Mar 19, 2007	39.01	39.66	38.96	39.60
2362	NYSE	DRQ	Fri, Mar 16, 2007	38.02	38.36	37.87	38.27
2361	NYSE	DRQ	Thu, Mar 15, 2007	38.10	38.38	37.81	38.02
2360	NYSE	DRQ	Wed, Mar 14, 2007	37.52	38.00	36.94	37.95
2359	NYSE	DRQ	Tue, Mar 13, 2007	38.29	39.12	37.47	37.52
2358	NYSE	DRQ	Mon, Mar 12, 2007	37.85	38.32	37.55	38.29
2357	NYSE	DRQ	Fri, Mar 9, 2007	38.54	38.79	37.94	38.22
2356	NYSE	DRQ	Thu, Mar 8, 2007	38.09	38.40	37.68	38.16
2355	NYSE	DRQ	Wed, Mar 7, 2007	37.73	38.47	37.43	37.85
2354	NYSE	DRQ	Tue, Mar 6, 2007	37.05	37.60	36.69	37.47
2353	NYSE	DRQ	Mon, Mar 5, 2007	36.65	37.45	36.36	36.64
2352	NYSE	DRQ	Fri, Mar 2, 2007	37.95	38.22	36.92	37.30
2351	NYSE	DRQ	Thu, Mar 1, 2007	36.60	38.59	36.36	38.03
2350	NYSE	DRQ	Wed, Feb 28, 2007	39.64	39.64	37.60	38.50
2349	NYSE	DRQ	Tue, Feb 27, 2007	39.50	40.88	35.03	39.25
2348	NYSE	DRQ	Mon, Feb 26, 2007	41.60	41.87	41.27	41.48
2347	NYSE	DRQ	Fri, Feb 23, 2007	41.37	41.61	41.14	41.18
2346	NYSE	DRQ	Thu, Feb 22, 2007	40.05	41.02	39.97	41.01
2345	NYSE	DRQ	Wed, Feb 21, 2007	39.22	40.32	39.21	40.13
2344	NYSE	DRQ	Tue, Feb 20, 2007	38.95	39.31	38.53	39.21
2343	NYSE	DRQ	Fri, Feb 16, 2007	39.15	39.37	38.66	38.95
2342	NYSE	DRQ	Thu, Feb 15, 2007	38.82	39.43	38.16	39.15
2341	NYSE	DRQ	Wed, Feb 14, 2007	38.40	38.93	37.99	38.81
2340	NYSE	DRQ	Tue, Feb 13, 2007	37.31	38.43	37.30	38.37
2339	NYSE	DRQ	Mon, Feb 12, 2007	37.45	37.64	36.95	37.22
2338	NYSE	DRQ	Fri, Feb 9, 2007	37.86	38.15	37.34	37.45
2337	NYSE	DRQ	Thu, Feb 8, 2007	37.60	38.12	37.31	37.99
2336	NYSE	DRQ	Wed, Feb 7, 2007	38.24	38.50	37.31	37.76
2335	NYSE	DRQ	Tue, Feb 6, 2007	38.20	38.36	37.85	38.24
2334	NYSE	DRQ	Mon, Feb 5, 2007	37.81	37.98	37.35	37.70
2333	NYSE	DRQ	Fri, Feb 2, 2007	37.67	38.00	37.05	37.71
2332	NYSE	DRQ	Thu, Feb 1, 2007	37.50	38.03	37.11	37.67
2331	NYSE	DRQ	Wed, Jan 31, 2007	36.67	37.48	36.28	37.20
2330	NYSE	DRQ	Tue, Jan 30, 2007	35.95	37.33	35.95	36.87
2329	NYSE	DRQ	Mon, Jan 29, 2007	35.65	36.45	35.60	35.87
2328	NYSE	DRQ	Fri, Jan 26, 2007	36.22	36.55	35.60	35.75
2327	NYSE	DRQ	Thu, Jan 25, 2007	37.03	37.18	35.63	35.97
2326	NYSE	DRQ	Wed, Jan 24, 2007	37.29	37.36	36.22	37.07
2325	NYSE	DRQ	Tue, Jan 23, 2007	36.06	37.45	35.85	37.29
2324	NYSE	DRQ	Mon, Jan 22, 2007	36.65	36.85	35.46	35.74
2323	NYSE	DRQ	Fri, Jan 19, 2007	35.54	36.56	35.25	36.20
2322	NYSE	DRQ	Thu, Jan 18, 2007	35.30	35.90	34.86	35.01
2321	NYSE	DRQ	Wed, Jan 17, 2007	34.51	35.72	34.51	35.30
2320	NYSE	DRQ	Tue, Jan 16, 2007	34.49	34.86	34.11	34.51
2319	NYSE	DRQ	Fri, Jan 12, 2007	34.00	35.05	33.77	34.98
2318	NYSE	DRQ	Thu, Jan 11, 2007	33.59	34.95	33.21	33.55
2317	NYSE	DRQ	Wed, Jan 10, 2007	33.91	33.98	32.85	33.64
2316	NYSE	DRQ	Tue, Jan 9, 2007	34.50	34.57	33.61	34.32
2315	NYSE	DRQ	Mon, Jan 8, 2007	35.27	36.26	35.15	35.50
2314	NYSE	DRQ	Fri, Jan 5, 2007	34.68	35.24	34.31	34.87
2313	NYSE	DRQ	Thu, Jan 4, 2007	36.20	36.50	34.27	34.57
2312	NYSE	DRQ	Wed, Jan 3, 2007	39.15	39.16	35.79	36.40
2311	NYSE	DRQ	Fri, Dec 29, 2006	39.62	39.78	38.90	39.16
2310	NYSE	DRQ	Thu, Dec 28, 2006	39.80	40.16	39.43	39.78
2309	NYSE	DRQ	Wed, Dec 27, 2006	38.73	39.88	38.73	39.88
2308	NYSE	DRQ	Tue, Dec 26, 2006	39.59	40.29	38.86	39.07
2307	NYSE	DRQ	Fri, Dec 22, 2006	40.18	40.25	39.15	39.59
2306	NYSE	DRQ	Thu, Dec 21, 2006	40.81	41.47	39.95	40.17
2305	NYSE	DRQ	Wed, Dec 20, 2006	41.32	41.59	40.66	40.81
2304	NYSE	DRQ	Tue, Dec 19, 2006	40.09	41.82	39.89	41.42
2303	NYSE	DRQ	Mon, Dec 18, 2006	42.54	42.54	40.25	40.41
2302	NYSE	DRQ	Fri, Dec 15, 2006	43.10	43.21	42.20	42.46
2301	NYSE	DRQ	Thu, Dec 14, 2006	42.76	43.22	42.45	43.03
2300	NYSE	DRQ	Wed, Dec 13, 2006	42.35	42.93	42.04	42.52
2299	NYSE	DRQ	Tue, Dec 12, 2006	43.26	43.40	41.87	42.25
2298	NYSE	DRQ	Mon, Dec 11, 2006	44.00	44.58	43.56	43.97
2297	NYSE	DRQ	Fri, Dec 8, 2006	44.05	44.68	43.86	44.15
2296	NYSE	DRQ	Thu, Dec 7, 2006	43.76	44.27	43.00	43.72
2295	NYSE	DRQ	Wed, Dec 6, 2006	43.11	44.39	42.40	43.71
2294	NYSE	DRQ	Tue, Dec 5, 2006	43.50	43.70	42.50	43.18
2293	NYSE	DRQ	Mon, Dec 4, 2006	43.29	43.53	42.70	43.20
2292	NYSE	DRQ	Fri, Dec 1, 2006	41.97	43.61	41.62	43.54
2291	NYSE	DRQ	Thu, Nov 30, 2006	42.40	42.85	41.80	42.33
2290	NYSE	DRQ	Wed, Nov 29, 2006	41.25	42.45	40.62	42.10
2289	NYSE	DRQ	Tue, Nov 28, 2006	40.40	41.11	40.29	40.90
2288	NYSE	DRQ	Mon, Nov 27, 2006	40.66	40.94	40.21	40.38
2287	NYSE	DRQ	Fri, Nov 24, 2006	40.61	41.39	40.56	40.60
2286	NYSE	DRQ	Wed, Nov 22, 2006	40.94	41.20	40.19	40.72
2285	NYSE	DRQ	Tue, Nov 21, 2006	40.98	41.10	40.50	40.90
2284	NYSE	DRQ	Mon, Nov 20, 2006	40.29	41.04	39.89	40.58
2283	NYSE	DRQ	Fri, Nov 17, 2006	39.92	40.51	39.25	40.29
2282	NYSE	DRQ	Thu, Nov 16, 2006	40.75	40.82	39.77	40.00
2281	NYSE	DRQ	Wed, Nov 15, 2006	39.90	41.12	39.60	40.35
2280	NYSE	DRQ	Tue, Nov 14, 2006	39.15	40.09	39.03	39.98
2279	NYSE	DRQ	Mon, Nov 13, 2006	39.60	39.65	38.97	39.40
2278	NYSE	DRQ	Fri, Nov 10, 2006	40.69	40.69	39.31	39.79
2277	NYSE	DRQ	Thu, Nov 9, 2006	41.03	41.62	40.05	40.69
2276	NYSE	DRQ	Wed, Nov 8, 2006	39.21	40.78	38.97	40.67
2275	NYSE	DRQ	Tue, Nov 7, 2006	39.89	40.20	39.08	39.50
2274	NYSE	DRQ	Mon, Nov 6, 2006	39.04	40.35	38.54	40.21
2273	NYSE	DRQ	Fri, Nov 3, 2006	38.19	39.36	38.00	38.79
2272	NYSE	DRQ	Thu, Nov 2, 2006	36.25	37.85	35.10	37.50
2271	NYSE	DRQ	Wed, Nov 1, 2006	39.31	39.84	37.76	38.00
2270	NYSE	DRQ	Tue, Oct 31, 2006	38.43	39.62	38.13	39.38
2269	NYSE	DRQ	Mon, Oct 30, 2006	38.67	39.12	38.03	38.63
2268	NYSE	DRQ	Fri, Oct 27, 2006	39.72	40.17	38.75	38.97
2267	NYSE	DRQ	Thu, Oct 26, 2006	40.40	40.55	39.02	39.69
2266	NYSE	DRQ	Wed, Oct 25, 2006	38.70	40.84	38.20	40.15
2265	NYSE	DRQ	Tue, Oct 24, 2006	36.72	38.71	36.13	38.71
2264	NYSE	DRQ	Mon, Oct 23, 2006	36.20	37.84	36.02	36.75
2263	NYSE	DRQ	Fri, Oct 20, 2006	37.84	37.84	36.11	36.64
2262	NYSE	DRQ	Thu, Oct 19, 2006	35.81	38.00	35.59	37.84
2261	NYSE	DRQ	Wed, Oct 18, 2006	36.34	36.45	35.42	35.50
2260	NYSE	DRQ	Tue, Oct 17, 2006	36.93	36.93	35.52	36.20
2259	NYSE	DRQ	Mon, Oct 16, 2006	35.89	37.18	35.70	36.92
2258	NYSE	DRQ	Fri, Oct 13, 2006	35.08	36.31	34.79	35.93
2257	NYSE	DRQ	Thu, Oct 12, 2006	33.10	34.62	33.10	34.60
2256	NYSE	DRQ	Wed, Oct 11, 2006	34.56	34.56	32.67	33.09
2255	NYSE	DRQ	Tue, Oct 10, 2006	32.70	34.45	32.62	34.15
2254	NYSE	DRQ	Mon, Oct 9, 2006	34.15	34.21	32.52	32.70
2253	NYSE	DRQ	Fri, Oct 6, 2006	33.03	33.73	32.50	33.46
2252	NYSE	DRQ	Thu, Oct 5, 2006	32.98	33.78	32.89	33.60
2251	NYSE	DRQ	Wed, Oct 4, 2006	31.59	32.50	30.31	32.45
2250	NYSE	DRQ	Tue, Oct 3, 2006	32.78	32.78	31.55	31.63
2249	NYSE	DRQ	Mon, Oct 2, 2006	33.97	34.35	33.16	33.39
2248	NYSE	DRQ	Fri, Sep 29, 2006	33.33	34.47	33.20	33.84
2247	NYSE	DRQ	Thu, Sep 28, 2006	33.88	34.25	33.26	33.57
2246	NYSE	DRQ	Wed, Sep 27, 2006	32.84	33.97	32.82	33.70
2245	NYSE	DRQ	Tue, Sep 26, 2006	31.26	32.84	31.24	32.64
2244	NYSE	DRQ	Mon, Sep 25, 2006	30.80	31.75	29.76	31.62
2243	NYSE	DRQ	Fri, Sep 22, 2006	33.18	33.24	31.24	31.56
2242	NYSE	DRQ	Thu, Sep 21, 2006	32.55	33.71	32.25	32.77
2241	NYSE	DRQ	Wed, Sep 20, 2006	33.88	34.61	32.34	32.39
2240	NYSE	DRQ	Tue, Sep 19, 2006	35.35	35.65	33.69	34.37
2239	NYSE	DRQ	Mon, Sep 18, 2006	35.13	36.20	34.72	35.66
2238	NYSE	DRQ	Fri, Sep 15, 2006	34.51	35.30	34.27	34.87
2237	NYSE	DRQ	Thu, Sep 14, 2006	36.04	36.60	34.07	34.51
2236	NYSE	DRQ	Wed, Sep 13, 2006	34.73	36.42	34.73	35.89
2235	NYSE	DRQ	Tue, Sep 12, 2006	35.23	36.61	34.31	34.64
2234	NYSE	DRQ	Mon, Sep 11, 2006	37.31	37.31	34.12	34.37
2233	NYSE	DRQ	Fri, Sep 8, 2006	39.39	39.49	37.17	37.31
2232	NYSE	DRQ	Thu, Sep 7, 2006	38.86	39.54	38.40	38.92
2231	NYSE	DRQ	Wed, Sep 6, 2006	40.00	40.00	38.78	38.85
2230	NYSE	DRQ	Tue, Sep 5, 2006	39.00	40.21	38.56	40.05
2229	NYSE	DRQ	Fri, Sep 1, 2006	38.46	39.00	38.21	39.00
2228	NYSE	DRQ	Thu, Aug 31, 2006	38.58	39.05	38.39	38.40
2227	NYSE	DRQ	Wed, Aug 30, 2006	39.59	39.64	38.00	38.48
2226	NYSE	DRQ	Tue, Aug 29, 2006	38.72	39.64	38.03	39.64
2225	NYSE	DRQ	Mon, Aug 28, 2006	39.20	39.95	38.40	38.71
2224	NYSE	DRQ	Fri, Aug 25, 2006	39.60	40.33	39.26	39.90
2223	NYSE	DRQ	Thu, Aug 24, 2006	39.10	39.85	38.54	39.13
2222	NYSE	DRQ	Wed, Aug 23, 2006	39.99	40.50	38.62	39.10
2221	NYSE	DRQ	Tue, Aug 22, 2006	39.45	40.05	39.25	39.99
2220	NYSE	DRQ	Mon, Aug 21, 2006	39.98	40.32	39.04	39.47
2219	NYSE	DRQ	Fri, Aug 18, 2006	38.04	39.81	37.88	39.57
2218	NYSE	DRQ	Thu, Aug 17, 2006	39.63	40.06	37.34	37.62
2217	NYSE	DRQ	Wed, Aug 16, 2006	39.55	40.63	39.23	39.97
2216	NYSE	DRQ	Tue, Aug 15, 2006	38.02	39.48	37.55	39.21
2215	NYSE	DRQ	Mon, Aug 14, 2006	40.11	40.25	37.45	37.82
2214	NYSE	DRQ	Fri, Aug 11, 2006	40.82	41.24	39.30	40.12
2213	NYSE	DRQ	Thu, Aug 10, 2006	41.14	41.68	40.01	40.82
2212	NYSE	DRQ	Wed, Aug 9, 2006	42.95	43.22	41.57	41.64
2211	NYSE	DRQ	Tue, Aug 8, 2006	42.59	44.00	42.03	42.52
2210	NYSE	DRQ	Mon, Aug 7, 2006	42.41	42.99	40.92	42.59
2209	NYSE	DRQ	Fri, Aug 4, 2006	43.10	43.56	40.83	41.57
2208	NYSE	DRQ	Thu, Aug 3, 2006	41.50	43.63	41.46	43.00
2207	NYSE	DRQ	Wed, Aug 2, 2006	43.35	44.06	41.50	42.48
2206	NYSE	DRQ	Tue, Aug 1, 2006	42.75	43.68	41.88	43.00
2205	NYSE	DRQ	Mon, Jul 31, 2006	40.22	42.74	39.46	42.25
2204	NYSE	DRQ	Fri, Jul 28, 2006	39.12	40.50	38.15	40.22
2203	NYSE	DRQ	Thu, Jul 27, 2006	40.43	40.75	39.00	39.20
2202	NYSE	DRQ	Wed, Jul 26, 2006	39.61	40.88	37.75	39.97
2201	NYSE	DRQ	Tue, Jul 25, 2006	38.90	39.92	38.38	39.61
2200	NYSE	DRQ	Mon, Jul 24, 2006	36.24	38.61	35.65	38.00
2199	NYSE	DRQ	Fri, Jul 21, 2006	38.14	38.35	35.79	35.91
2198	NYSE	DRQ	Thu, Jul 20, 2006	40.95	41.63	37.88	37.98
2197	NYSE	DRQ	Wed, Jul 19, 2006	38.75	40.82	38.22	40.74
2196	NYSE	DRQ	Tue, Jul 18, 2006	39.40	40.10	37.50	38.75
2195	NYSE	DRQ	Mon, Jul 17, 2006	40.99	41.16	38.24	38.97
2194	NYSE	DRQ	Fri, Jul 14, 2006	41.39	41.93	39.50	41.39
2193	NYSE	DRQ	Thu, Jul 13, 2006	43.00	43.25	40.69	41.19
2192	NYSE	DRQ	Wed, Jul 12, 2006	42.34	44.00	42.26	43.43
2191	NYSE	DRQ	Tue, Jul 11, 2006	40.82	42.28	40.63	42.02
2190	NYSE	DRQ	Mon, Jul 10, 2006	40.43	41.57	40.08	40.51
2189	NYSE	DRQ	Fri, Jul 7, 2006	42.74	42.86	39.90	40.43
2188	NYSE	DRQ	Thu, Jul 6, 2006	42.91	43.04	41.61	42.11
2187	NYSE	DRQ	Wed, Jul 5, 2006	42.34	43.05	40.51	42.51
2186	NYSE	DRQ	Mon, Jul 3, 2006	42.03	42.73	41.47	42.34
2185	NYSE	DRQ	Fri, Jun 30, 2006	40.53	41.46	40.00	41.22
2184	NYSE	DRQ	Thu, Jun 29, 2006	38.23	40.25	38.10	40.13
2183	NYSE	DRQ	Wed, Jun 28, 2006	38.00	38.38	36.86	37.90
2182	NYSE	DRQ	Tue, Jun 27, 2006	38.60	39.00	37.70	37.86
2181	NYSE	DRQ	Mon, Jun 26, 2006	37.29	38.45	36.51	38.26
2180	NYSE	DRQ	Fri, Jun 23, 2006	36.75	37.57	36.59	37.29
2179	NYSE	DRQ	Thu, Jun 22, 2006	35.40	36.42	35.03	36.29
2178	NYSE	DRQ	Wed, Jun 21, 2006	34.02	35.85	33.90	35.33
2177	NYSE	DRQ	Tue, Jun 20, 2006	34.62	35.71	33.81	33.97
2176	NYSE	DRQ	Mon, Jun 19, 2006	36.61	36.61	34.44	34.50
2175	NYSE	DRQ	Fri, Jun 16, 2006	36.94	36.96	35.50	36.61
2174	NYSE	DRQ	Thu, Jun 15, 2006	35.38	37.23	35.38	37.07
2173	NYSE	DRQ	Wed, Jun 14, 2006	33.45	34.86	33.21	34.67
2172	NYSE	DRQ	Tue, Jun 13, 2006	34.20	35.09	33.02	33.44
2171	NYSE	DRQ	Mon, Jun 12, 2006	37.64	37.88	34.88	34.90
2170	NYSE	DRQ	Fri, Jun 9, 2006	38.11	38.78	36.70	37.38
2169	NYSE	DRQ	Thu, Jun 8, 2006	36.40	38.00	34.55	37.74
2168	NYSE	DRQ	Wed, Jun 7, 2006	39.22	39.63	37.25	37.39
2167	NYSE	DRQ	Tue, Jun 6, 2006	39.26	39.50	37.75	39.14
2166	NYSE	DRQ	Mon, Jun 5, 2006	41.88	42.12	39.01	39.26
2165	NYSE	DRQ	Fri, Jun 2, 2006	40.75	41.59	40.36	41.48
2164	NYSE	DRQ	Thu, Jun 1, 2006	39.37	40.10	38.50	39.91
2163	NYSE	DRQ	Wed, May 31, 2006	37.80	39.37	37.80	39.37
2162	NYSE	DRQ	Tue, May 30, 2006	39.00	39.24	37.11	37.59
2161	NYSE	DRQ	Fri, May 26, 2006	37.75	38.45	37.38	38.25
2160	NYSE	DRQ	Thu, May 25, 2006	36.11	37.38	35.70	37.16
2159	NYSE	DRQ	Wed, May 24, 2006	36.30	36.91	34.26	35.24
2158	NYSE	DRQ	Tue, May 23, 2006	35.75	38.37	35.75	36.33
2157	NYSE	DRQ	Mon, May 22, 2006	34.55	35.13	32.83	34.65
2156	NYSE	DRQ	Fri, May 19, 2006	35.81	36.69	34.78	35.76
2155	NYSE	DRQ	Thu, May 18, 2006	37.98	38.16	35.70	35.81
2154	NYSE	DRQ	Wed, May 17, 2006	38.50	38.75	36.45	37.14
2153	NYSE	DRQ	Tue, May 16, 2006	38.43	38.87	36.96	38.34
2152	NYSE	DRQ	Mon, May 15, 2006	39.51	39.51	35.83	37.73
2151	NYSE	DRQ	Fri, May 12, 2006	42.28	42.28	40.00	40.15
2150	NYSE	DRQ	Thu, May 11, 2006	44.33	44.66	42.35	42.56
2149	NYSE	DRQ	Wed, May 10, 2006	44.25	45.02	43.90	43.95
2148	NYSE	DRQ	Tue, May 9, 2006	43.13	44.19	42.75	43.77
2147	NYSE	DRQ	Mon, May 8, 2006	40.38	43.17	39.52	43.07
2146	NYSE	DRQ	Fri, May 5, 2006	41.00	42.00	40.69	40.80
2145	NYSE	DRQ	Thu, May 4, 2006	40.11	40.79	39.44	40.79
2144	NYSE	DRQ	Wed, May 3, 2006	40.00	42.00	39.60	40.12
2143	NYSE	DRQ	Tue, May 2, 2006	37.38	38.12	37.03	37.96
2142	NYSE	DRQ	Mon, May 1, 2006	36.60	37.43	36.35	36.97
2141	NYSE	DRQ	Fri, Apr 28, 2006	35.25	36.85	35.20	35.99
2140	NYSE	DRQ	Thu, Apr 27, 2006	35.73	36.65	34.66	35.17
2139	NYSE	DRQ	Wed, Apr 26, 2006	37.40	37.94	36.51	36.66
2138	NYSE	DRQ	Tue, Apr 25, 2006	38.74	38.96	36.51	37.55
2137	NYSE	DRQ	Mon, Apr 24, 2006	38.25	38.47	37.55	38.28
2136	NYSE	DRQ	Fri, Apr 21, 2006	37.63	38.60	37.43	38.25
2135	NYSE	DRQ	Thu, Apr 20, 2006	38.50	38.72	36.88	37.40
2134	NYSE	DRQ	Wed, Apr 19, 2006	36.63	38.46	36.53	38.38
2133	NYSE	DRQ	Tue, Apr 18, 2006	35.25	36.98	35.25	36.63
2132	NYSE	DRQ	Mon, Apr 17, 2006	34.63	35.38	34.63	34.91
2131	NYSE	DRQ	Thu, Apr 13, 2006	33.73	34.25	32.90	34.17
2130	NYSE	DRQ	Wed, Apr 12, 2006	34.68	34.68	32.90	33.73
2129	NYSE	DRQ	Tue, Apr 11, 2006	35.06	35.96	34.35	34.68
2128	NYSE	DRQ	Mon, Apr 10, 2006	34.50	35.70	34.50	34.95
2127	NYSE	DRQ	Fri, Apr 7, 2006	34.96	35.27	33.88	34.22
2126	NYSE	DRQ	Thu, Apr 6, 2006	34.85	35.34	34.40	35.12
2125	NYSE	DRQ	Wed, Apr 5, 2006	35.25	35.26	34.47	34.85
2124	NYSE	DRQ	Tue, Apr 4, 2006	34.40	35.40	33.80	35.33
2123	NYSE	DRQ	Mon, Apr 3, 2006	35.70	36.00	34.31	34.44
2122	NYSE	DRQ	Fri, Mar 31, 2006	34.93	35.56	34.38	35.43
2121	NYSE	DRQ	Thu, Mar 30, 2006	35.71	36.68	34.50	35.17
2120	NYSE	DRQ	Wed, Mar 29, 2006	34.20	35.81	34.20	35.80
2119	NYSE	DRQ	Tue, Mar 28, 2006	33.00	34.61	32.96	34.36
2118	NYSE	DRQ	Mon, Mar 27, 2006	33.22	33.22	32.24	32.81
2117	NYSE	DRQ	Fri, Mar 24, 2006	32.05	33.34	31.85	33.23
2116	NYSE	DRQ	Thu, Mar 23, 2006	30.77	32.27	30.77	32.15
2115	NYSE	DRQ	Wed, Mar 22, 2006	29.00	30.62	29.00	30.40
2114	NYSE	DRQ	Tue, Mar 21, 2006	28.29	29.30	27.88	29.05
2113	NYSE	DRQ	Mon, Mar 20, 2006	29.84	30.18	28.19	28.39
2112	NYSE	DRQ	Fri, Mar 17, 2006	29.92	29.96	29.28	29.84
2111	NYSE	DRQ	Thu, Mar 16, 2006	28.99	30.11	28.99	29.85
2110	NYSE	DRQ	Wed, Mar 15, 2006	28.95	29.09	28.56	28.75
2109	NYSE	DRQ	Tue, Mar 14, 2006	28.35	29.56	28.00	29.25
2108	NYSE	DRQ	Mon, Mar 13, 2006	27.77	28.39	27.74	28.24
2107	NYSE	DRQ	Fri, Mar 10, 2006	27.46	27.93	26.80	27.51
2106	NYSE	DRQ	Thu, Mar 9, 2006	27.59	28.24	26.89	27.45
2105	NYSE	DRQ	Wed, Mar 8, 2006	27.40	27.94	26.80	27.40
2104	NYSE	DRQ	Tue, Mar 7, 2006	28.00	28.15	27.11	27.52
2103	NYSE	DRQ	Mon, Mar 6, 2006	30.12	30.12	28.04	28.16
2102	NYSE	DRQ	Fri, Mar 3, 2006	29.53	30.81	29.53	30.12
2101	NYSE	DRQ	Thu, Mar 2, 2006	27.91	29.50	27.91	29.40
2100	NYSE	DRQ	Wed, Mar 1, 2006	26.55	29.00	26.55	27.91
2099	NYSE	DRQ	Tue, Feb 28, 2006	26.13	26.15	25.38	25.40
2098	NYSE	DRQ	Mon, Feb 27, 2006	27.08	27.09	25.90	26.18
2097	NYSE	DRQ	Fri, Feb 24, 2006	27.50	27.70	27.01	27.21
2096	NYSE	DRQ	Thu, Feb 23, 2006	27.41	27.96	26.72	27.07
2095	NYSE	DRQ	Wed, Feb 22, 2006	27.38	27.38	26.81	27.29
2094	NYSE	DRQ	Tue, Feb 21, 2006	27.25	27.75	27.06	27.38
2093	NYSE	DRQ	Fri, Feb 17, 2006	26.03	26.39	25.85	26.10
2092	NYSE	DRQ	Thu, Feb 16, 2006	25.30	25.66	25.25	25.53
2091	NYSE	DRQ	Wed, Feb 15, 2006	26.59	26.78	24.91	25.30
2090	NYSE	DRQ	Tue, Feb 14, 2006	25.53	26.58	25.50	26.52
2089	NYSE	DRQ	Mon, Feb 13, 2006	27.78	27.78	25.93	26.50
2088	NYSE	DRQ	Fri, Feb 10, 2006	26.98	27.91	26.50	27.80
2087	NYSE	DRQ	Thu, Feb 9, 2006	28.63	28.88	27.15	27.19
2086	NYSE	DRQ	Wed, Feb 8, 2006	28.50	28.86	27.21	28.50
2085	NYSE	DRQ	Tue, Feb 7, 2006	30.20	30.21	28.13	28.18
2084	NYSE	DRQ	Mon, Feb 6, 2006	29.13	30.54	29.13	30.33
2083	NYSE	DRQ	Fri, Feb 3, 2006	29.79	29.79	28.67	28.94
2082	NYSE	DRQ	Thu, Feb 2, 2006	30.50	30.96	28.79	29.69
2081	NYSE	DRQ	Wed, Feb 1, 2006	31.39	31.82	30.53	30.56
2080	NYSE	DRQ	Tue, Jan 31, 2006	30.88	31.63	30.58	31.49
2079	NYSE	DRQ	Mon, Jan 30, 2006	30.78	31.05	30.21	30.75
2078	NYSE	DRQ	Fri, Jan 27, 2006	30.00	30.80	29.51	30.28
2077	NYSE	DRQ	Thu, Jan 26, 2006	28.53	29.70	28.33	29.70
2076	NYSE	DRQ	Wed, Jan 25, 2006	29.20	29.25	27.66	28.53
2075	NYSE	DRQ	Tue, Jan 24, 2006	29.32	29.68	29.00	29.07
2074	NYSE	DRQ	Mon, Jan 23, 2006	28.63	29.65	28.55	29.32
2073	NYSE	DRQ	Fri, Jan 20, 2006	28.50	28.99	28.40	28.66
2072	NYSE	DRQ	Thu, Jan 19, 2006	27.08	28.35	27.08	28.33
2071	NYSE	DRQ	Wed, Jan 18, 2006	27.42	27.72	26.92	27.18
2070	NYSE	DRQ	Tue, Jan 17, 2006	27.43	27.63	26.90	27.42
2069	NYSE	DRQ	Fri, Jan 13, 2006	26.52	27.09	26.13	26.45
2068	NYSE	DRQ	Thu, Jan 12, 2006	27.12	27.76	26.48	26.52
2067	NYSE	DRQ	Wed, Jan 11, 2006	26.36	27.20	25.88	27.04
2066	NYSE	DRQ	Tue, Jan 10, 2006	25.75	26.37	25.72	26.33
2065	NYSE	DRQ	Mon, Jan 9, 2006	26.06	26.06	25.43	25.57
2064	NYSE	DRQ	Fri, Jan 6, 2006	25.85	26.10	25.68	25.98
2063	NYSE	DRQ	Thu, Jan 5, 2006	26.08	26.08	25.30	25.58
2062	NYSE	DRQ	Wed, Jan 4, 2006	25.10	26.25	24.88	26.12
2061	NYSE	DRQ	Tue, Jan 3, 2006	24.10	25.24	24.08	25.24
2060	NYSE	DRQ	Fri, Dec 30, 2005	23.60	23.80	23.15	23.60
2059	NYSE	DRQ	Thu, Dec 29, 2005	24.19	24.23	23.75	23.78
2058	NYSE	DRQ	Wed, Dec 28, 2005	23.82	24.32	23.60	24.14
2057	NYSE	DRQ	Tue, Dec 27, 2005	24.66	24.66	23.33	23.75
2056	NYSE	DRQ	Fri, Dec 23, 2005	24.88	24.88	24.42	24.66
2055	NYSE	DRQ	Thu, Dec 22, 2005	25.28	25.59	24.75	24.97
2054	NYSE	DRQ	Wed, Dec 21, 2005	25.50	25.83	25.03	25.29
2053	NYSE	DRQ	Tue, Dec 20, 2005	24.75	25.68	24.45	25.38
2052	NYSE	DRQ	Mon, Dec 19, 2005	24.70	24.92	24.44	24.55
2051	NYSE	DRQ	Fri, Dec 16, 2005	25.15	25.23	24.39	24.44
2050	NYSE	DRQ	Thu, Dec 15, 2005	25.98	26.05	25.38	25.40
2049	NYSE	DRQ	Wed, Dec 14, 2005	26.97	27.40	26.25	26.31
2048	NYSE	DRQ	Tue, Dec 13, 2005	26.70	28.15	26.39	26.97
2047	NYSE	DRQ	Mon, Dec 12, 2005	26.50	26.53	25.85	26.05
2046	NYSE	DRQ	Fri, Dec 9, 2005	26.98	27.11	26.26	26.45
2045	NYSE	DRQ	Thu, Dec 8, 2005	25.55	26.95	25.55	26.90
2044	NYSE	DRQ	Wed, Dec 7, 2005	26.43	26.60	25.78	26.03
2043	NYSE	DRQ	Tue, Dec 6, 2005	26.98	26.98	26.30	26.31
2042	NYSE	DRQ	Mon, Dec 5, 2005	26.10	27.80	26.10	27.00
2041	NYSE	DRQ	Fri, Dec 2, 2005	26.19	26.32	25.28	25.71
2040	NYSE	DRQ	Thu, Dec 1, 2005	25.65	26.29	25.65	26.10
2039	NYSE	DRQ	Wed, Nov 30, 2005	24.70	26.13	24.69	25.50
2038	NYSE	DRQ	Tue, Nov 29, 2005	24.43	24.90	24.35	24.70
2037	NYSE	DRQ	Mon, Nov 28, 2005	25.46	25.46	24.38	24.38
2036	NYSE	DRQ	Fri, Nov 25, 2005	25.48	25.68	25.45	25.45
2035	NYSE	DRQ	Wed, Nov 23, 2005	25.28	25.87	24.85	25.36
2034	NYSE	DRQ	Tue, Nov 22, 2005	25.00	25.45	24.89	25.28
2033	NYSE	DRQ	Mon, Nov 21, 2005	24.03	25.21	24.03	24.82
2032	NYSE	DRQ	Fri, Nov 18, 2005	24.23	24.23	23.75	23.97
2031	NYSE	DRQ	Thu, Nov 17, 2005	23.61	24.17	23.61	24.11
2030	NYSE	DRQ	Wed, Nov 16, 2005	23.15	23.50	22.91	23.49
2029	NYSE	DRQ	Tue, Nov 15, 2005	22.46	23.16	22.33	23.05
2028	NYSE	DRQ	Mon, Nov 14, 2005	22.45	22.70	22.39	22.46
2027	NYSE	DRQ	Fri, Nov 11, 2005	22.38	22.43	21.85	22.32
2026	NYSE	DRQ	Thu, Nov 10, 2005	23.78	23.78	21.99	22.38
2025	NYSE	DRQ	Wed, Nov 9, 2005	23.80	24.33	23.35	23.87
2024	NYSE	DRQ	Tue, Nov 8, 2005	23.50	24.01	23.35	23.85
2023	NYSE	DRQ	Mon, Nov 7, 2005	23.63	23.77	23.23	23.39
2022	NYSE	DRQ	Fri, Nov 4, 2005	24.02	24.03	23.22	23.63
2021	NYSE	DRQ	Thu, Nov 3, 2005	24.13	24.43	23.55	24.02
2020	NYSE	DRQ	Wed, Nov 2, 2005	20.81	21.52	20.66	21.52
2019	NYSE	DRQ	Tue, Nov 1, 2005	20.45	20.95	20.40	20.85
2018	NYSE	DRQ	Mon, Oct 31, 2005	19.78	20.81	19.76	20.45
2017	NYSE	DRQ	Fri, Oct 28, 2005	19.43	19.88	19.09	19.77
2016	NYSE	DRQ	Thu, Oct 27, 2005	20.11	20.31	19.25	19.40
2015	NYSE	DRQ	Wed, Oct 26, 2005	20.40	20.81	19.95	20.08
2014	NYSE	DRQ	Tue, Oct 25, 2005	19.65	20.63	19.55	20.40
2013	NYSE	DRQ	Mon, Oct 24, 2005	18.50	19.63	18.48	19.53
2012	NYSE	DRQ	Fri, Oct 21, 2005	18.26	18.82	18.03	18.73
2011	NYSE	DRQ	Thu, Oct 20, 2005	19.25	19.28	17.98	18.26
2010	NYSE	DRQ	Wed, Oct 19, 2005	18.73	19.41	18.41	19.33
2009	NYSE	DRQ	Tue, Oct 18, 2005	19.80	19.80	18.75	18.75
2008	NYSE	DRQ	Mon, Oct 17, 2005	20.05	20.28	19.81	19.87
2007	NYSE	DRQ	Fri, Oct 14, 2005	19.13	19.73	18.81	19.58
2006	NYSE	DRQ	Thu, Oct 13, 2005	19.45	19.45	18.57	19.13
2005	NYSE	DRQ	Wed, Oct 12, 2005	20.07	20.07	19.22	19.55
2004	NYSE	DRQ	Tue, Oct 11, 2005	20.47	20.69	19.85	20.03
2003	NYSE	DRQ	Mon, Oct 10, 2005	21.08	21.08	19.98	20.24
2002	NYSE	DRQ	Fri, Oct 7, 2005	20.85	20.95	19.83	20.60
2001	NYSE	DRQ	Thu, Oct 6, 2005	21.87	21.87	20.27	20.57
2000	NYSE	DRQ	Wed, Oct 5, 2005	23.50	23.50	21.51	21.87
1999	NYSE	DRQ	Tue, Oct 4, 2005	24.28	24.50	23.43	23.48
1998	NYSE	DRQ	Mon, Oct 3, 2005	24.08	24.38	24.08	24.28
1997	NYSE	DRQ	Fri, Sep 30, 2005	24.00	24.08	23.48	24.00
1996	NYSE	DRQ	Thu, Sep 29, 2005	23.74	24.17	23.60	23.91
1995	NYSE	DRQ	Wed, Sep 28, 2005	23.73	23.86	23.30	23.74
1994	NYSE	DRQ	Tue, Sep 27, 2005	23.51	23.88	23.51	23.69
1993	NYSE	DRQ	Mon, Sep 26, 2005	22.98	23.83	22.90	23.59
1992	NYSE	DRQ	Fri, Sep 23, 2005	23.20	23.20	22.73	22.95
1991	NYSE	DRQ	Thu, Sep 22, 2005	23.97	24.20	22.58	23.17
1990	NYSE	DRQ	Wed, Sep 21, 2005	24.25	24.25	23.82	23.97
1989	NYSE	DRQ	Tue, Sep 20, 2005	23.49	23.95	23.28	23.69
1988	NYSE	DRQ	Mon, Sep 19, 2005	22.55	23.63	22.55	23.49
1987	NYSE	DRQ	Fri, Sep 16, 2005	21.60	22.92	21.60	22.00
1986	NYSE	DRQ	Thu, Sep 15, 2005	21.40	21.70	21.36	21.40
1985	NYSE	DRQ	Wed, Sep 14, 2005	20.62	21.29	20.53	21.19
1984	NYSE	DRQ	Tue, Sep 13, 2005	20.45	20.70	20.26	20.64
1983	NYSE	DRQ	Mon, Sep 12, 2005	20.60	20.63	20.43	20.50
1982	NYSE	DRQ	Fri, Sep 9, 2005	20.65	20.69	20.53	20.60
1981	NYSE	DRQ	Thu, Sep 8, 2005	20.65	20.65	20.32	20.56
1980	NYSE	DRQ	Wed, Sep 7, 2005	20.67	20.69	20.37	20.65
1979	NYSE	DRQ	Tue, Sep 6, 2005	20.50	20.80	20.20	20.70
1978	NYSE	DRQ	Fri, Sep 2, 2005	21.38	21.38	20.05	20.17
1977	NYSE	DRQ	Thu, Sep 1, 2005	21.15	21.45	20.90	21.38
1976	NYSE	DRQ	Wed, Aug 31, 2005	20.35	21.30	20.35	21.01
1975	NYSE	DRQ	Tue, Aug 30, 2005	19.76	20.37	19.76	20.35
1974	NYSE	DRQ	Mon, Aug 29, 2005	19.88	20.09	19.33	19.67
1973	NYSE	DRQ	Fri, Aug 26, 2005	20.26	20.38	19.42	19.56
1972	NYSE	DRQ	Thu, Aug 25, 2005	20.23	20.36	20.12	20.26
1971	NYSE	DRQ	Wed, Aug 24, 2005	19.75	20.48	19.70	20.23
1970	NYSE	DRQ	Tue, Aug 23, 2005	19.40	19.81	19.40	19.75
1969	NYSE	DRQ	Mon, Aug 22, 2005	19.35	19.47	19.20	19.38
1968	NYSE	DRQ	Fri, Aug 19, 2005	19.45	19.65	19.25	19.33
1967	NYSE	DRQ	Thu, Aug 18, 2005	18.68	19.78	18.68	19.18
1966	NYSE	DRQ	Wed, Aug 17, 2005	20.24	20.51	18.26	18.64
1965	NYSE	DRQ	Tue, Aug 16, 2005	19.95	20.24	19.94	20.24
1964	NYSE	DRQ	Mon, Aug 15, 2005	20.12	20.36	19.86	20.06
1963	NYSE	DRQ	Fri, Aug 12, 2005	21.00	21.03	19.70	20.09
1962	NYSE	DRQ	Thu, Aug 11, 2005	20.43	20.93	20.30	20.90
1961	NYSE	DRQ	Wed, Aug 10, 2005	19.63	20.60	19.63	20.24
1960	NYSE	DRQ	Tue, Aug 9, 2005	19.63	19.67	19.26	19.52
1959	NYSE	DRQ	Mon, Aug 8, 2005	19.63	19.68	19.38	19.55
1958	NYSE	DRQ	Fri, Aug 5, 2005	19.67	19.80	19.38	19.45
1957	NYSE	DRQ	Thu, Aug 4, 2005	18.88	19.96	18.83	19.64
1956	NYSE	DRQ	Wed, Aug 3, 2005	18.25	18.99	18.25	18.88
1955	NYSE	DRQ	Tue, Aug 2, 2005	19.45	19.85	18.24	18.38
1954	NYSE	DRQ	Mon, Aug 1, 2005	16.66	17.79	16.65	17.70
1953	NYSE	DRQ	Fri, Jul 29, 2005	16.65	16.72	16.45	16.61
1952	NYSE	DRQ	Thu, Jul 28, 2005	16.55	16.71	16.27	16.63
1951	NYSE	DRQ	Wed, Jul 27, 2005	16.65	16.65	16.42	16.51
1950	NYSE	DRQ	Tue, Jul 26, 2005	16.73	16.75	16.36	16.63
1949	NYSE	DRQ	Mon, Jul 25, 2005	16.35	16.63	16.13	16.63
1948	NYSE	DRQ	Fri, Jul 22, 2005	15.53	16.35	15.50	16.35
1947	NYSE	DRQ	Thu, Jul 21, 2005	15.60	15.75	15.33	15.35
1946	NYSE	DRQ	Wed, Jul 20, 2005	14.85	15.63	14.62	15.45
1945	NYSE	DRQ	Tue, Jul 19, 2005	14.32	14.88	14.25	14.87
1944	NYSE	DRQ	Mon, Jul 18, 2005	14.50	14.50	14.18	14.28
1943	NYSE	DRQ	Fri, Jul 15, 2005	14.60	14.74	14.30	14.52
1942	NYSE	DRQ	Thu, Jul 14, 2005	15.37	15.37	14.54	14.58
1941	NYSE	DRQ	Wed, Jul 13, 2005	15.80	15.81	15.15	15.28
1940	NYSE	DRQ	Tue, Jul 12, 2005	15.34	16.00	15.30	15.82
1939	NYSE	DRQ	Mon, Jul 11, 2005	14.75	15.33	14.70	15.33
1938	NYSE	DRQ	Fri, Jul 8, 2005	14.86	14.88	14.58	14.79
1937	NYSE	DRQ	Thu, Jul 7, 2005	14.60	14.85	14.28	14.83
1936	NYSE	DRQ	Wed, Jul 6, 2005	15.00	15.03	14.55	14.60
1935	NYSE	DRQ	Tue, Jul 5, 2005	14.80	15.09	14.80	15.00
1934	NYSE	DRQ	Fri, Jul 1, 2005	14.56	14.89	14.53	14.77
1933	NYSE	DRQ	Thu, Jun 30, 2005	14.41	14.68	14.38	14.51
1932	NYSE	DRQ	Wed, Jun 29, 2005	14.65	14.65	14.33	14.36
1931	NYSE	DRQ	Tue, Jun 28, 2005	14.44	14.81	14.26	14.65
1930	NYSE	DRQ	Mon, Jun 27, 2005	14.64	14.80	14.42	14.47
1929	NYSE	DRQ	Fri, Jun 24, 2005	15.20	15.21	14.55	14.55
1928	NYSE	DRQ	Thu, Jun 23, 2005	15.16	15.49	15.02	15.17
1927	NYSE	DRQ	Wed, Jun 22, 2005	15.00	15.20	14.65	15.13
1926	NYSE	DRQ	Tue, Jun 21, 2005	15.54	15.54	14.90	14.98
1925	NYSE	DRQ	Mon, Jun 20, 2005	15.40	15.64	15.38	15.55
1924	NYSE	DRQ	Fri, Jun 17, 2005	15.35	15.57	15.00	15.30
1923	NYSE	DRQ	Thu, Jun 16, 2005	15.49	15.49	15.23	15.24
1922	NYSE	DRQ	Wed, Jun 15, 2005	15.34	15.49	14.98	15.48
1921	NYSE	DRQ	Tue, Jun 14, 2005	14.98	15.38	14.95	15.29
1920	NYSE	DRQ	Mon, Jun 13, 2005	15.04	15.22	14.92	14.98
1919	NYSE	DRQ	Fri, Jun 10, 2005	14.79	15.30	14.70	15.12
1918	NYSE	DRQ	Thu, Jun 9, 2005	14.05	14.81	14.05	14.81
1917	NYSE	DRQ	Wed, Jun 8, 2005	14.05	14.35	13.90	14.00
1916	NYSE	DRQ	Tue, Jun 7, 2005	14.62	14.70	14.03	14.05
1915	NYSE	DRQ	Mon, Jun 6, 2005	14.42	14.57	14.26	14.57
1914	NYSE	DRQ	Fri, Jun 3, 2005	13.99	14.42	13.97	14.38
1913	NYSE	DRQ	Thu, Jun 2, 2005	13.94	14.13	13.68	13.98
1912	NYSE	DRQ	Wed, Jun 1, 2005	13.79	14.20	13.78	13.95
1911	NYSE	DRQ	Tue, May 31, 2005	14.05	14.13	13.63	13.68
1910	NYSE	DRQ	Fri, May 27, 2005	14.04	14.11	13.90	14.09
1909	NYSE	DRQ	Thu, May 26, 2005	14.00	14.38	13.84	14.02
1908	NYSE	DRQ	Wed, May 25, 2005	13.85	14.14	13.70	13.91
1907	NYSE	DRQ	Tue, May 24, 2005	13.75	13.90	13.70	13.83
1906	NYSE	DRQ	Mon, May 23, 2005	13.43	13.73	13.43	13.65
1905	NYSE	DRQ	Fri, May 20, 2005	12.99	13.58	12.98	13.43
1904	NYSE	DRQ	Thu, May 19, 2005	12.78	13.30	12.73	12.99
1903	NYSE	DRQ	Wed, May 18, 2005	12.84	12.87	12.53	12.81
1902	NYSE	DRQ	Tue, May 17, 2005	12.54	12.76	12.54	12.74
1901	NYSE	DRQ	Mon, May 16, 2005	12.98	12.98	12.42	12.68
1900	NYSE	DRQ	Fri, May 13, 2005	13.18	13.18	12.91	13.02
1899	NYSE	DRQ	Thu, May 12, 2005	13.62	13.62	12.93	13.14
1898	NYSE	DRQ	Wed, May 11, 2005	14.08	14.09	13.39	13.62
1897	NYSE	DRQ	Tue, May 10, 2005	14.40	14.42	14.06	14.07
1896	NYSE	DRQ	Mon, May 9, 2005	13.97	14.48	13.94	14.48
1895	NYSE	DRQ	Fri, May 6, 2005	14.12	14.18	13.94	13.97
1894	NYSE	DRQ	Thu, May 5, 2005	14.00	14.21	13.94	14.06
1893	NYSE	DRQ	Wed, May 4, 2005	14.05	14.08	13.86	13.88
1892	NYSE	DRQ	Tue, May 3, 2005	14.58	14.58	13.98	14.00
1891	NYSE	DRQ	Mon, May 2, 2005	14.53	14.60	14.36	14.60
1890	NYSE	DRQ	Fri, Apr 29, 2005	14.27	14.58	14.18	14.58
1889	NYSE	DRQ	Thu, Apr 28, 2005	15.01	15.04	14.15	14.17
1888	NYSE	DRQ	Wed, Apr 27, 2005	15.50	15.50	15.01	15.01
1887	NYSE	DRQ	Tue, Apr 26, 2005	16.10	16.22	15.50	15.55
1886	NYSE	DRQ	Mon, Apr 25, 2005	15.80	16.20	15.75	16.14
1885	NYSE	DRQ	Fri, Apr 22, 2005	15.95	16.14	15.41	15.67
1884	NYSE	DRQ	Thu, Apr 21, 2005	15.68	16.04	15.56	15.95
1883	NYSE	DRQ	Wed, Apr 20, 2005	16.05	16.08	15.43	15.55
1882	NYSE	DRQ	Tue, Apr 19, 2005	15.80	16.20	15.80	16.05
1881	NYSE	DRQ	Mon, Apr 18, 2005	16.00	16.06	15.65	15.68
1880	NYSE	DRQ	Fri, Apr 15, 2005	16.13	16.22	15.73	16.03
1879	NYSE	DRQ	Thu, Apr 14, 2005	16.30	16.33	16.00	16.13
1878	NYSE	DRQ	Wed, Apr 13, 2005	16.43	16.49	16.24	16.30
1877	NYSE	DRQ	Tue, Apr 12, 2005	16.65	16.65	16.20	16.45
1876	NYSE	DRQ	Mon, Apr 11, 2005	16.36	16.72	16.20	16.65
1875	NYSE	DRQ	Fri, Apr 8, 2005	16.35	16.57	16.32	16.35
1874	NYSE	DRQ	Thu, Apr 7, 2005	16.30	16.48	16.25	16.40
1873	NYSE	DRQ	Wed, Apr 6, 2005	16.13	16.43	16.10	16.26
1872	NYSE	DRQ	Tue, Apr 5, 2005	15.94	16.28	15.85	16.13
1871	NYSE	DRQ	Mon, Apr 4, 2005	16.24	16.32	15.72	15.93
1870	NYSE	DRQ	Fri, Apr 1, 2005	15.45	16.30	15.45	16.24
1869	NYSE	DRQ	Thu, Mar 31, 2005	14.80	15.37	14.76	15.37
1868	NYSE	DRQ	Wed, Mar 30, 2005	15.53	15.66	14.46	14.71
1867	NYSE	DRQ	Tue, Mar 29, 2005	15.40	15.83	15.40	15.53
1866	NYSE	DRQ	Mon, Mar 28, 2005	15.57	15.87	15.40	15.46
1865	NYSE	DRQ	Thu, Mar 24, 2005	15.55	15.99	15.55	15.57
1864	NYSE	DRQ	Wed, Mar 23, 2005	16.26	16.26	15.50	15.53
1863	NYSE	DRQ	Tue, Mar 22, 2005	16.20	16.53	16.15	16.28
1862	NYSE	DRQ	Mon, Mar 21, 2005	16.25	16.44	16.07	16.20
1861	NYSE	DRQ	Fri, Mar 18, 2005	16.48	16.49	16.20	16.20
1860	NYSE	DRQ	Thu, Mar 17, 2005	16.58	16.71	16.24	16.48
1859	NYSE	DRQ	Wed, Mar 16, 2005	16.40	16.55	16.29	16.45
1858	NYSE	DRQ	Tue, Mar 15, 2005	16.50	16.88	16.35	16.45
1857	NYSE	DRQ	Mon, Mar 14, 2005	16.76	16.76	16.30	16.40
1856	NYSE	DRQ	Fri, Mar 11, 2005	16.75	17.15	16.68	16.75
1855	NYSE	DRQ	Thu, Mar 10, 2005	17.39	17.39	16.54	16.75
1854	NYSE	DRQ	Wed, Mar 9, 2005	17.95	17.95	17.18	17.38
1853	NYSE	DRQ	Tue, Mar 8, 2005	18.45	18.46	17.76	17.95
1852	NYSE	DRQ	Mon, Mar 7, 2005	18.50	18.83	18.42	18.49
1851	NYSE	DRQ	Fri, Mar 4, 2005	18.27	18.64	17.84	18.64
1850	NYSE	DRQ	Thu, Mar 3, 2005	17.51	18.47	17.46	18.26
1849	NYSE	DRQ	Wed, Mar 2, 2005	15.45	17.50	15.45	17.50
1848	NYSE	DRQ	Tue, Mar 1, 2005	15.50	15.67	15.00	15.35
1847	NYSE	DRQ	Mon, Feb 28, 2005	15.80	15.95	15.07	15.50
1846	NYSE	DRQ	Fri, Feb 25, 2005	15.80	15.95	15.68	15.81
1845	NYSE	DRQ	Thu, Feb 24, 2005	15.51	15.88	15.40	15.88
1844	NYSE	DRQ	Wed, Feb 23, 2005	15.35	15.65	15.33	15.49
1843	NYSE	DRQ	Tue, Feb 22, 2005	15.99	16.00	15.38	15.50
1842	NYSE	DRQ	Fri, Feb 18, 2005	15.38	15.99	15.38	15.99
1841	NYSE	DRQ	Thu, Feb 17, 2005	15.78	15.93	15.32	15.35
1840	NYSE	DRQ	Wed, Feb 16, 2005	15.53	15.88	15.46	15.75
1839	NYSE	DRQ	Tue, Feb 15, 2005	15.62	15.69	15.45	15.50
1838	NYSE	DRQ	Mon, Feb 14, 2005	15.60	15.75	15.54	15.62
1837	NYSE	DRQ	Fri, Feb 11, 2005	15.33	15.90	15.33	15.56
1836	NYSE	DRQ	Thu, Feb 10, 2005	14.83	15.27	14.83	15.27
1835	NYSE	DRQ	Wed, Feb 9, 2005	15.08	15.10	14.70	14.75
1834	NYSE	DRQ	Tue, Feb 8, 2005	14.95	15.18	14.91	15.04
1833	NYSE	DRQ	Mon, Feb 7, 2005	15.00	15.00	14.65	14.95
1832	NYSE	DRQ	Fri, Feb 4, 2005	14.70	15.11	14.70	15.08
1831	NYSE	DRQ	Thu, Feb 3, 2005	14.68	14.73	14.56	14.67
1830	NYSE	DRQ	Wed, Feb 2, 2005	14.58	14.84	14.50	14.73
1829	NYSE	DRQ	Tue, Feb 1, 2005	14.48	14.58	14.44	14.54
1828	NYSE	DRQ	Mon, Jan 31, 2005	14.25	14.47	14.23	14.38
1827	NYSE	DRQ	Fri, Jan 28, 2005	14.33	14.43	14.22	14.27
1826	NYSE	DRQ	Thu, Jan 27, 2005	14.30	14.52	14.30	14.33
1825	NYSE	DRQ	Wed, Jan 26, 2005	14.34	14.49	14.13	14.33
1824	NYSE	DRQ	Tue, Jan 25, 2005	14.38	14.56	14.08	14.26
1823	NYSE	DRQ	Mon, Jan 24, 2005	13.92	13.98	13.83	13.88
1822	NYSE	DRQ	Fri, Jan 21, 2005	13.48	14.23	13.45	13.88
1821	NYSE	DRQ	Thu, Jan 20, 2005	13.58	13.58	13.01	13.43
1820	NYSE	DRQ	Wed, Jan 19, 2005	13.05	13.78	13.05	13.63
1819	NYSE	DRQ	Tue, Jan 18, 2005	13.26	13.45	12.60	13.00
1818	NYSE	DRQ	Fri, Jan 14, 2005	13.08	13.20	12.58	13.14
1817	NYSE	DRQ	Thu, Jan 13, 2005	13.18	13.55	13.09	13.10
1816	NYSE	DRQ	Wed, Jan 12, 2005	12.15	13.09	12.08	13.09
1815	NYSE	DRQ	Tue, Jan 11, 2005	11.99	12.22	11.84	12.14
1814	NYSE	DRQ	Mon, Jan 10, 2005	11.70	12.09	11.65	11.98
1813	NYSE	DRQ	Fri, Jan 7, 2005	11.80	11.84	11.59	11.60
1812	NYSE	DRQ	Thu, Jan 6, 2005	11.73	11.87	11.57	11.81
1811	NYSE	DRQ	Wed, Jan 5, 2005	11.60	11.83	11.53	11.75
1810	NYSE	DRQ	Tue, Jan 4, 2005	11.65	11.81	11.57	11.59
1809	NYSE	DRQ	Mon, Jan 3, 2005	12.13	12.13	11.64	11.69
1808	NYSE	DRQ	Fri, Dec 31, 2004	12.23	12.23	12.13	12.13
1807	NYSE	DRQ	Thu, Dec 30, 2004	12.29	12.32	12.22	12.24
1806	NYSE	DRQ	Wed, Dec 29, 2004	12.15	12.32	12.09	12.32
1805	NYSE	DRQ	Tue, Dec 28, 2004	12.38	12.40	12.03	12.15
1804	NYSE	DRQ	Mon, Dec 27, 2004	12.63	12.63	12.33	12.38
1803	NYSE	DRQ	Thu, Dec 23, 2004	12.70	12.74	12.54	12.63
1802	NYSE	DRQ	Wed, Dec 22, 2004	12.50	12.56	12.35	12.52
1801	NYSE	DRQ	Tue, Dec 21, 2004	12.05	12.50	11.93	12.50
1800	NYSE	DRQ	Mon, Dec 20, 2004	11.98	12.04	11.95	11.99
1799	NYSE	DRQ	Fri, Dec 17, 2004	11.63	12.00	11.63	12.00
1798	NYSE	DRQ	Thu, Dec 16, 2004	11.67	11.77	11.55	11.64
1797	NYSE	DRQ	Wed, Dec 15, 2004	11.40	11.74	11.33	11.66
1796	NYSE	DRQ	Tue, Dec 14, 2004	11.09	11.53	11.09	11.39
1795	NYSE	DRQ	Mon, Dec 13, 2004	10.93	11.21	10.93	11.04
1794	NYSE	DRQ	Fri, Dec 10, 2004	11.01	11.04	10.84	10.96
1793	NYSE	DRQ	Thu, Dec 9, 2004	10.83	11.15	10.83	11.00
1792	NYSE	DRQ	Wed, Dec 8, 2004	11.05	11.05	10.83	10.84
1791	NYSE	DRQ	Tue, Dec 7, 2004	11.45	11.45	11.06	11.06
1790	NYSE	DRQ	Mon, Dec 6, 2004	11.53	11.53	11.33	11.36
1789	NYSE	DRQ	Fri, Dec 3, 2004	11.50	11.83	11.50	11.51
1788	NYSE	DRQ	Thu, Dec 2, 2004	11.86	11.86	11.52	11.59
1787	NYSE	DRQ	Wed, Dec 1, 2004	11.94	12.05	11.78	11.90
1786	NYSE	DRQ	Tue, Nov 30, 2004	11.80	11.99	11.80	11.94
1785	NYSE	DRQ	Mon, Nov 29, 2004	11.85	11.90	11.48	11.74
1784	NYSE	DRQ	Fri, Nov 26, 2004	11.82	11.97	11.82	11.90
1783	NYSE	DRQ	Wed, Nov 24, 2004	11.98	12.00	11.53	11.95
1782	NYSE	DRQ	Tue, Nov 23, 2004	11.29	12.01	11.29	11.98
1781	NYSE	DRQ	Mon, Nov 22, 2004	11.20	11.61	11.18	11.61
1780	NYSE	DRQ	Fri, Nov 19, 2004	11.03	11.25	10.95	11.17
1779	NYSE	DRQ	Thu, Nov 18, 2004	10.50	11.11	10.50	11.00
1778	NYSE	DRQ	Wed, Nov 17, 2004	10.27	10.53	10.27	10.48
1777	NYSE	DRQ	Tue, Nov 16, 2004	10.58	10.67	10.07	10.23
1776	NYSE	DRQ	Mon, Nov 15, 2004	11.05	11.05	10.38	10.57
1775	NYSE	DRQ	Fri, Nov 12, 2004	11.03	11.14	11.00	11.07
1774	NYSE	DRQ	Thu, Nov 11, 2004	11.05	11.24	10.95	11.00
1773	NYSE	DRQ	Wed, Nov 10, 2004	10.99	11.28	10.93	11.10
1772	NYSE	DRQ	Tue, Nov 9, 2004	11.03	11.30	10.98	10.99
1771	NYSE	DRQ	Mon, Nov 8, 2004	11.50	11.55	11.06	11.08
1770	NYSE	DRQ	Fri, Nov 5, 2004	11.73	11.77	11.38	11.54
1769	NYSE	DRQ	Thu, Nov 4, 2004	11.80	11.98	11.63	11.77
1768	NYSE	DRQ	Wed, Nov 3, 2004	11.58	11.97	11.53	11.83
1767	NYSE	DRQ	Tue, Nov 2, 2004	11.37	11.91	11.25	11.41
1766	NYSE	DRQ	Mon, Nov 1, 2004	11.23	11.60	11.08	11.39
1765	NYSE	DRQ	Fri, Oct 29, 2004	11.36	11.43	11.16	11.20
1764	NYSE	DRQ	Thu, Oct 28, 2004	11.50	11.50	11.25	11.26
1763	NYSE	DRQ	Wed, Oct 27, 2004	11.70	12.08	11.45	11.53
1762	NYSE	DRQ	Tue, Oct 26, 2004	11.55	11.70	11.40	11.66
1761	NYSE	DRQ	Mon, Oct 25, 2004	11.80	11.83	11.57	11.60
1760	NYSE	DRQ	Fri, Oct 22, 2004	12.13	12.27	11.79	11.83
1759	NYSE	DRQ	Thu, Oct 21, 2004	11.70	12.32	11.70	12.16
1758	NYSE	DRQ	Wed, Oct 20, 2004	11.21	11.69	11.19	11.69
1757	NYSE	DRQ	Tue, Oct 19, 2004	11.00	11.35	10.98	11.19
1756	NYSE	DRQ	Mon, Oct 18, 2004	11.18	11.19	10.97	11.02
1755	NYSE	DRQ	Fri, Oct 15, 2004	11.18	11.33	11.18	11.20
1754	NYSE	DRQ	Thu, Oct 14, 2004	11.05	11.30	11.05	11.14
1753	NYSE	DRQ	Wed, Oct 13, 2004	11.68	11.68	10.95	11.02
1752	NYSE	DRQ	Tue, Oct 12, 2004	11.58	11.82	11.57	11.68
1751	NYSE	DRQ	Mon, Oct 11, 2004	11.90	11.90	11.53	11.53
1750	NYSE	DRQ	Fri, Oct 8, 2004	11.86	11.91	11.70	11.89
1749	NYSE	DRQ	Thu, Oct 7, 2004	11.83	11.95	11.69	11.90
1748	NYSE	DRQ	Wed, Oct 6, 2004	11.48	11.75	11.39	11.75
1747	NYSE	DRQ	Tue, Oct 5, 2004	11.38	11.50	11.35	11.45
1746	NYSE	DRQ	Mon, Oct 4, 2004	11.29	11.31	11.18	11.31
1745	NYSE	DRQ	Fri, Oct 1, 2004	11.16	11.37	11.16	11.34
1744	NYSE	DRQ	Thu, Sep 30, 2004	11.15	11.33	11.15	11.15
1743	NYSE	DRQ	Wed, Sep 29, 2004	11.45	11.54	11.12	11.19
1742	NYSE	DRQ	Tue, Sep 28, 2004	11.55	11.58	11.44	11.49
1741	NYSE	DRQ	Mon, Sep 27, 2004	11.40	11.61	11.32	11.51
1740	NYSE	DRQ	Fri, Sep 24, 2004	11.15	11.42	11.15	11.38
1739	NYSE	DRQ	Thu, Sep 23, 2004	11.13	11.23	11.03	11.12
1738	NYSE	DRQ	Wed, Sep 22, 2004	11.38	11.38	11.15	11.19
1737	NYSE	DRQ	Tue, Sep 21, 2004	11.33	11.43	11.19	11.41
1736	NYSE	DRQ	Mon, Sep 20, 2004	11.08	11.33	11.08	11.27
1735	NYSE	DRQ	Fri, Sep 17, 2004	11.32	11.38	10.88	11.05
1734	NYSE	DRQ	Thu, Sep 16, 2004	10.98	11.25	10.98	11.25
1733	NYSE	DRQ	Wed, Sep 15, 2004	11.10	11.30	10.86	10.93
1732	NYSE	DRQ	Tue, Sep 14, 2004	11.33	11.33	11.00	11.08
1731	NYSE	DRQ	Mon, Sep 13, 2004	11.48	11.48	11.22	11.28
1730	NYSE	DRQ	Fri, Sep 10, 2004	10.88	11.48	10.79	11.41
1729	NYSE	DRQ	Thu, Sep 9, 2004	10.52	10.98	10.52	10.93
1728	NYSE	DRQ	Wed, Sep 8, 2004	10.48	10.75	10.46	10.50
1727	NYSE	DRQ	Tue, Sep 7, 2004	10.68	10.73	10.46	10.51
1726	NYSE	DRQ	Fri, Sep 3, 2004	10.68	10.88	10.65	10.75
1725	NYSE	DRQ	Thu, Sep 2, 2004	10.18	10.70	10.18	10.61
1724	NYSE	DRQ	Wed, Sep 1, 2004	9.87	10.18	9.73	10.17
1723	NYSE	DRQ	Tue, Aug 31, 2004	9.63	9.93	9.63	9.92
1722	NYSE	DRQ	Mon, Aug 30, 2004	9.38	9.67	9.38	9.63
1721	NYSE	DRQ	Fri, Aug 27, 2004	9.48	9.48	9.23	9.39
1720	NYSE	DRQ	Thu, Aug 26, 2004	9.28	9.48	9.28	9.45
1719	NYSE	DRQ	Wed, Aug 25, 2004	9.33	9.36	9.20	9.24
1718	NYSE	DRQ	Tue, Aug 24, 2004	9.55	9.57	9.03	9.28
1717	NYSE	DRQ	Mon, Aug 23, 2004	9.61	9.61	9.27	9.54
1716	NYSE	DRQ	Fri, Aug 20, 2004	9.56	9.74	9.40	9.61
1715	NYSE	DRQ	Thu, Aug 19, 2004	9.51	9.73	9.48	9.50
1714	NYSE	DRQ	Wed, Aug 18, 2004	9.42	9.61	9.30	9.46
1713	NYSE	DRQ	Tue, Aug 17, 2004	9.58	9.58	9.34	9.41
1712	NYSE	DRQ	Mon, Aug 16, 2004	9.29	9.62	9.29	9.58
1711	NYSE	DRQ	Fri, Aug 13, 2004	9.20	9.32	9.20	9.26
1710	NYSE	DRQ	Thu, Aug 12, 2004	9.20	9.32	9.03	9.16
1709	NYSE	DRQ	Wed, Aug 11, 2004	9.01	9.45	9.01	9.27
1708	NYSE	DRQ	Tue, Aug 10, 2004	8.79	9.03	8.79	9.01
1707	NYSE	DRQ	Mon, Aug 9, 2004	9.08	9.08	8.75	8.78
1706	NYSE	DRQ	Fri, Aug 6, 2004	9.35	9.46	9.03	9.03
1705	NYSE	DRQ	Thu, Aug 5, 2004	9.52	9.71	9.35	9.36
1704	NYSE	DRQ	Wed, Aug 4, 2004	9.65	9.65	9.51	9.55
1703	NYSE	DRQ	Tue, Aug 3, 2004	9.55	9.80	9.43	9.69
1702	NYSE	DRQ	Mon, Aug 2, 2004	9.40	9.55	9.22	9.53
1701	NYSE	DRQ	Fri, Jul 30, 2004	9.00	9.43	9.00	9.43
1700	NYSE	DRQ	Thu, Jul 29, 2004	9.03	9.07	8.69	9.03
1699	NYSE	DRQ	Wed, Jul 28, 2004	8.98	9.10	8.90	8.97
1698	NYSE	DRQ	Tue, Jul 27, 2004	8.90	9.09	8.77	8.98
1697	NYSE	DRQ	Mon, Jul 26, 2004	9.00	9.15	8.87	8.90
1696	NYSE	DRQ	Fri, Jul 23, 2004	9.60	9.62	8.90	9.00
1695	NYSE	DRQ	Thu, Jul 22, 2004	9.71	9.73	9.60	9.60
1694	NYSE	DRQ	Wed, Jul 21, 2004	9.89	9.90	9.62	9.73
1693	NYSE	DRQ	Tue, Jul 20, 2004	9.89	9.89	9.68	9.89
1692	NYSE	DRQ	Mon, Jul 19, 2004	9.76	9.95	9.76	9.89
1691	NYSE	DRQ	Fri, Jul 16, 2004	9.50	9.82	9.45	9.75
1690	NYSE	DRQ	Thu, Jul 15, 2004	9.43	9.58	9.40	9.49
1689	NYSE	DRQ	Wed, Jul 14, 2004	9.33	9.48	9.30	9.43
1688	NYSE	DRQ	Tue, Jul 13, 2004	9.35	9.38	9.17	9.34
1687	NYSE	DRQ	Mon, Jul 12, 2004	9.15	9.33	9.15	9.33
1686	NYSE	DRQ	Fri, Jul 9, 2004	9.22	9.28	9.09	9.13
1685	NYSE	DRQ	Thu, Jul 8, 2004	9.30	9.39	9.13	9.23
1684	NYSE	DRQ	Wed, Jul 7, 2004	9.40	9.48	9.30	9.30
1683	NYSE	DRQ	Tue, Jul 6, 2004	9.47	9.47	9.24	9.39
1682	NYSE	DRQ	Fri, Jul 2, 2004	9.35	9.52	9.25	9.47
1681	NYSE	DRQ	Thu, Jul 1, 2004	9.40	9.50	9.27	9.35
1680	NYSE	DRQ	Wed, Jun 30, 2004	9.24	9.37	9.23	9.35
1679	NYSE	DRQ	Tue, Jun 29, 2004	9.03	9.29	9.00	9.24
1678	NYSE	DRQ	Mon, Jun 28, 2004	9.15	9.19	8.78	8.99
1677	NYSE	DRQ	Fri, Jun 25, 2004	9.38	9.42	8.98	9.19
1676	NYSE	DRQ	Thu, Jun 24, 2004	9.80	9.80	9.40	9.45
1675	NYSE	DRQ	Wed, Jun 23, 2004	9.44	9.81	9.35	9.79
1674	NYSE	DRQ	Tue, Jun 22, 2004	9.20	9.44	9.17	9.44
1673	NYSE	DRQ	Mon, Jun 21, 2004	9.18	9.19	8.96	9.19
1672	NYSE	DRQ	Fri, Jun 18, 2004	9.15	9.18	8.95	9.14
1671	NYSE	DRQ	Thu, Jun 17, 2004	8.90	9.10	8.86	9.10
1670	NYSE	DRQ	Wed, Jun 16, 2004	8.58	8.95	8.55	8.95
1669	NYSE	DRQ	Tue, Jun 15, 2004	8.43	8.55	8.34	8.50
1668	NYSE	DRQ	Mon, Jun 14, 2004	8.60	8.60	8.39	8.40
1667	NYSE	DRQ	Thu, Jun 10, 2004	8.81	8.81	8.51	8.62
1666	NYSE	DRQ	Wed, Jun 9, 2004	8.75	8.80	8.44	8.78
1665	NYSE	DRQ	Tue, Jun 8, 2004	8.70	8.80	8.69	8.79
1664	NYSE	DRQ	Mon, Jun 7, 2004	8.65	8.74	8.49	8.73
1663	NYSE	DRQ	Fri, Jun 4, 2004	8.40	8.70	8.27	8.63
1662	NYSE	DRQ	Thu, Jun 3, 2004	8.40	8.44	8.25	8.38
1661	NYSE	DRQ	Wed, Jun 2, 2004	8.44	8.60	8.43	8.45
1660	NYSE	DRQ	Tue, Jun 1, 2004	8.33	8.47	8.29	8.42
1659	NYSE	DRQ	Fri, May 28, 2004	8.17	8.44	8.15	8.26
1658	NYSE	DRQ	Thu, May 27, 2004	8.25	8.26	8.09	8.17
1657	NYSE	DRQ	Wed, May 26, 2004	8.48	8.48	8.28	8.28
1656	NYSE	DRQ	Tue, May 25, 2004	8.14	8.56	8.14	8.50
1655	NYSE	DRQ	Mon, May 24, 2004	8.04	8.28	8.03	8.14
1654	NYSE	DRQ	Fri, May 21, 2004	8.13	8.13	7.89	7.99
1653	NYSE	DRQ	Thu, May 20, 2004	8.06	8.15	8.04	8.10
1652	NYSE	DRQ	Wed, May 19, 2004	8.13	8.15	8.01	8.01
1651	NYSE	DRQ	Tue, May 18, 2004	8.15	8.16	8.00	8.10
1650	NYSE	DRQ	Mon, May 17, 2004	7.98	8.25	7.88	8.13
1649	NYSE	DRQ	Fri, May 14, 2004	8.03	8.10	7.88	8.00
1648	NYSE	DRQ	Thu, May 13, 2004	7.78	8.12	7.78	8.02
1647	NYSE	DRQ	Wed, May 12, 2004	7.54	7.83	7.53	7.78
1646	NYSE	DRQ	Tue, May 11, 2004	7.53	7.68	7.50	7.54
1645	NYSE	DRQ	Mon, May 10, 2004	7.63	7.76	7.38	7.48
1644	NYSE	DRQ	Fri, May 7, 2004	7.88	7.88	7.70	7.70
1643	NYSE	DRQ	Thu, May 6, 2004	8.21	8.21	7.88	7.90
1642	NYSE	DRQ	Wed, May 5, 2004	8.44	8.44	8.15	8.21
1641	NYSE	DRQ	Tue, May 4, 2004	8.33	8.47	8.10	8.47
1640	NYSE	DRQ	Mon, May 3, 2004	8.68	8.70	8.28	8.41
1639	NYSE	DRQ	Fri, Apr 30, 2004	8.68	9.04	8.59	8.59
1638	NYSE	DRQ	Thu, Apr 29, 2004	8.86	8.98	8.55	8.60
1637	NYSE	DRQ	Wed, Apr 28, 2004	9.13	9.13	8.85	8.85
1636	NYSE	DRQ	Tue, Apr 27, 2004	9.00	9.35	8.95	9.13
1635	NYSE	DRQ	Mon, Apr 26, 2004	8.93	9.28	8.93	9.14
1634	NYSE	DRQ	Fri, Apr 23, 2004	9.07	9.10	8.89	8.95
1633	NYSE	DRQ	Thu, Apr 22, 2004	8.83	9.14	8.83	9.14
1632	NYSE	DRQ	Wed, Apr 21, 2004	8.89	8.90	8.67	8.85
1631	NYSE	DRQ	Tue, Apr 20, 2004	9.25	9.35	8.89	8.92
1630	NYSE	DRQ	Mon, Apr 19, 2004	8.88	9.38	8.73	9.22
1629	NYSE	DRQ	Fri, Apr 16, 2004	8.55	8.88	8.55	8.88
1628	NYSE	DRQ	Thu, Apr 15, 2004	8.40	8.70	8.39	8.52
1627	NYSE	DRQ	Wed, Apr 14, 2004	8.35	8.51	8.21	8.36
1626	NYSE	DRQ	Tue, Apr 13, 2004	8.88	8.88	8.34	8.39
1625	NYSE	DRQ	Mon, Apr 12, 2004	8.45	8.79	8.45	8.79
1624	NYSE	DRQ	Thu, Apr 8, 2004	8.40	8.49	8.29	8.43
1623	NYSE	DRQ	Wed, Apr 7, 2004	8.35	8.47	8.10	8.40
1622	NYSE	DRQ	Tue, Apr 6, 2004	8.13	8.49	8.13	8.38
1621	NYSE	DRQ	Mon, Apr 5, 2004	8.15	8.20	7.94	8.08
1620	NYSE	DRQ	Fri, Apr 2, 2004	8.10	8.15	8.01	8.13
1619	NYSE	DRQ	Thu, Apr 1, 2004	8.25	8.35	7.98	8.05
1618	NYSE	DRQ	Wed, Mar 31, 2004	8.23	8.23	8.08	8.22
1617	NYSE	DRQ	Tue, Mar 30, 2004	8.03	8.23	8.03	8.16
1616	NYSE	DRQ	Mon, Mar 29, 2004	7.85	8.03	7.84	8.00
1615	NYSE	DRQ	Fri, Mar 26, 2004	7.61	7.88	7.61	7.80
1614	NYSE	DRQ	Thu, Mar 25, 2004	7.60	7.71	7.58	7.58
1613	NYSE	DRQ	Wed, Mar 24, 2004	7.93	7.95	7.55	7.56
1612	NYSE	DRQ	Tue, Mar 23, 2004	8.10	8.13	7.90	7.90
1611	NYSE	DRQ	Mon, Mar 22, 2004	8.08	8.20	7.98	8.07
1610	NYSE	DRQ	Fri, Mar 19, 2004	8.59	8.59	7.98	8.04
1609	NYSE	DRQ	Thu, Mar 18, 2004	8.48	8.58	8.31	8.49
1608	NYSE	DRQ	Wed, Mar 17, 2004	8.19	8.46	8.16	8.42
1607	NYSE	DRQ	Tue, Mar 16, 2004	8.55	8.55	8.10	8.14
1606	NYSE	DRQ	Mon, Mar 15, 2004	8.78	8.85	8.49	8.55
1605	NYSE	DRQ	Fri, Mar 12, 2004	8.50	8.79	8.50	8.79
1604	NYSE	DRQ	Thu, Mar 11, 2004	8.65	8.79	8.44	8.44
1603	NYSE	DRQ	Wed, Mar 10, 2004	9.15	9.16	8.70	8.71
1602	NYSE	DRQ	Tue, Mar 9, 2004	9.25	9.25	8.93	9.18
1601	NYSE	DRQ	Mon, Mar 8, 2004	9.53	9.53	9.25	9.27
1600	NYSE	DRQ	Fri, Mar 5, 2004	9.62	9.78	9.46	9.53
1599	NYSE	DRQ	Thu, Mar 4, 2004	9.28	9.62	9.21	9.62
1598	NYSE	DRQ	Wed, Mar 3, 2004	9.10	9.30	8.96	9.22
1597	NYSE	DRQ	Tue, Mar 2, 2004	9.23	9.42	9.03	9.09
1596	NYSE	DRQ	Mon, Mar 1, 2004	8.95	9.39	8.95	9.18
1595	NYSE	DRQ	Fri, Feb 27, 2004	9.19	9.20	9.00	9.00
1594	NYSE	DRQ	Thu, Feb 26, 2004	9.11	9.28	9.11	9.19
1593	NYSE	DRQ	Wed, Feb 25, 2004	9.12	9.25	9.02	9.09
1592	NYSE	DRQ	Tue, Feb 24, 2004	8.89	9.14	8.87	9.07
1591	NYSE	DRQ	Mon, Feb 23, 2004	9.23	9.23	8.89	8.89
1590	NYSE	DRQ	Fri, Feb 20, 2004	9.30	9.50	9.20	9.23
1589	NYSE	DRQ	Thu, Feb 19, 2004	9.64	9.72	9.28	9.35
1588	NYSE	DRQ	Wed, Feb 18, 2004	9.85	10.00	9.59	9.61
1587	NYSE	DRQ	Tue, Feb 17, 2004	9.93	9.93	9.72	9.88
1586	NYSE	DRQ	Fri, Feb 13, 2004	10.12	10.40	10.01	10.05
1585	NYSE	DRQ	Thu, Feb 12, 2004	9.95	10.40	9.92	10.12
1584	NYSE	DRQ	Wed, Feb 11, 2004	9.70	10.00	9.66	9.98
1583	NYSE	DRQ	Tue, Feb 10, 2004	9.21	9.75	9.21	9.75
1582	NYSE	DRQ	Mon, Feb 9, 2004	8.88	9.15	8.88	9.14
1581	NYSE	DRQ	Fri, Feb 6, 2004	8.78	8.95	8.78	8.86
1580	NYSE	DRQ	Thu, Feb 5, 2004	9.00	9.15	8.70	8.83
1579	NYSE	DRQ	Wed, Feb 4, 2004	9.20	9.37	8.96	8.96
1578	NYSE	DRQ	Tue, Feb 3, 2004	9.35	9.35	9.10	9.25
1577	NYSE	DRQ	Mon, Feb 2, 2004	9.51	9.53	9.33	9.34
1576	NYSE	DRQ	Fri, Jan 30, 2004	9.72	9.72	9.33	9.45
1575	NYSE	DRQ	Thu, Jan 29, 2004	9.57	9.68	9.50	9.62
1574	NYSE	DRQ	Wed, Jan 28, 2004	9.76	9.77	9.50	9.60
1573	NYSE	DRQ	Tue, Jan 27, 2004	9.78	9.80	9.59	9.80
1572	NYSE	DRQ	Mon, Jan 26, 2004	9.12	9.82	9.09	9.82
1571	NYSE	DRQ	Fri, Jan 23, 2004	8.69	9.24	8.69	9.05
1570	NYSE	DRQ	Thu, Jan 22, 2004	8.79	8.86	8.60	8.63
1569	NYSE	DRQ	Wed, Jan 21, 2004	8.69	8.81	8.66	8.75
1568	NYSE	DRQ	Tue, Jan 20, 2004	8.57	8.81	8.55	8.71
1567	NYSE	DRQ	Fri, Jan 16, 2004	8.64	8.70	8.49	8.62
1566	NYSE	DRQ	Thu, Jan 15, 2004	9.10	9.10	8.69	8.69
1565	NYSE	DRQ	Wed, Jan 14, 2004	8.93	9.08	8.88	9.08
1564	NYSE	DRQ	Tue, Jan 13, 2004	8.98	9.20	8.81	8.93
1563	NYSE	DRQ	Mon, Jan 12, 2004	8.89	9.04	8.87	9.02
1562	NYSE	DRQ	Fri, Jan 9, 2004	8.58	8.95	8.58	8.84
1561	NYSE	DRQ	Thu, Jan 8, 2004	8.30	8.57	8.29	8.55
1560	NYSE	DRQ	Wed, Jan 7, 2004	8.27	8.41	8.27	8.28
1559	NYSE	DRQ	Tue, Jan 6, 2004	8.56	8.61	8.30	8.30
1558	NYSE	DRQ	Mon, Jan 5, 2004	8.25	8.57	8.10	8.53
1557	NYSE	DRQ	Fri, Jan 2, 2004	8.20	8.34	8.16	8.28
1556	NYSE	DRQ	Wed, Dec 31, 2003	8.53	8.58	8.10	8.15
1555	NYSE	DRQ	Tue, Dec 30, 2003	8.70	8.78	8.51	8.51
1554	NYSE	DRQ	Mon, Dec 29, 2003	8.54	8.72	8.54	8.67
1553	NYSE	DRQ	Fri, Dec 26, 2003	8.43	8.55	8.41	8.52
1552	NYSE	DRQ	Wed, Dec 24, 2003	8.42	8.52	8.42	8.44
1551	NYSE	DRQ	Tue, Dec 23, 2003	8.53	8.54	8.34	8.42
1550	NYSE	DRQ	Mon, Dec 22, 2003	8.50	8.53	8.38	8.45
1549	NYSE	DRQ	Fri, Dec 19, 2003	8.23	8.40	8.13	8.37
1548	NYSE	DRQ	Thu, Dec 18, 2003	7.91	8.20	7.87	8.10
1547	NYSE	DRQ	Wed, Dec 17, 2003	7.96	7.96	7.87	7.90
1546	NYSE	DRQ	Tue, Dec 16, 2003	7.85	7.94	7.84	7.93
1545	NYSE	DRQ	Mon, Dec 15, 2003	8.15	8.17	7.84	7.84
1544	NYSE	DRQ	Fri, Dec 12, 2003	7.86	8.24	7.86	8.18
1543	NYSE	DRQ	Thu, Dec 11, 2003	7.95	7.95	7.75	7.86
1542	NYSE	DRQ	Wed, Dec 10, 2003	7.89	7.99	7.80	7.95
1541	NYSE	DRQ	Tue, Dec 9, 2003	7.83	8.03	7.80	7.89
1540	NYSE	DRQ	Mon, Dec 8, 2003	7.82	7.88	7.67	7.81
1539	NYSE	DRQ	Fri, Dec 5, 2003	7.60	7.76	7.50	7.76
1538	NYSE	DRQ	Thu, Dec 4, 2003	7.50	7.70	7.46	7.57
1537	NYSE	DRQ	Wed, Dec 3, 2003	7.53	7.58	7.44	7.48
1536	NYSE	DRQ	Tue, Dec 2, 2003	7.50	7.55	7.48	7.49
1535	NYSE	DRQ	Mon, Dec 1, 2003	7.51	7.63	7.47	7.55
1534	NYSE	DRQ	Fri, Nov 28, 2003	7.53	7.63	7.48	7.48
1533	NYSE	DRQ	Wed, Nov 26, 2003	7.55	7.58	7.50	7.50
1532	NYSE	DRQ	Tue, Nov 25, 2003	7.45	7.60	7.42	7.50
1531	NYSE	DRQ	Mon, Nov 24, 2003	7.33	7.45	7.21	7.40
1530	NYSE	DRQ	Fri, Nov 21, 2003	7.28	7.35	7.26	7.35
1529	NYSE	DRQ	Thu, Nov 20, 2003	7.53	7.62	7.23	7.26
1528	NYSE	DRQ	Wed, Nov 19, 2003	7.52	7.55	7.46	7.55
1527	NYSE	DRQ	Tue, Nov 18, 2003	7.60	7.69	7.51	7.53
1526	NYSE	DRQ	Mon, Nov 17, 2003	7.65	7.65	7.50	7.56
1525	NYSE	DRQ	Fri, Nov 14, 2003	7.63	7.79	7.53	7.65
1524	NYSE	DRQ	Thu, Nov 13, 2003	7.58	7.68	7.45	7.61
1523	NYSE	DRQ	Wed, Nov 12, 2003	7.53	7.67	7.42	7.53
1522	NYSE	DRQ	Tue, Nov 11, 2003	7.46	7.53	7.39	7.50
1521	NYSE	DRQ	Mon, Nov 10, 2003	7.50	7.50	7.33	7.47
1520	NYSE	DRQ	Fri, Nov 7, 2003	7.55	7.58	7.50	7.50
1519	NYSE	DRQ	Thu, Nov 6, 2003	7.50	7.55	7.48	7.50
1518	NYSE	DRQ	Wed, Nov 5, 2003	7.58	7.58	7.46	7.50
1517	NYSE	DRQ	Tue, Nov 4, 2003	7.50	7.65	7.45	7.54
1516	NYSE	DRQ	Mon, Nov 3, 2003	7.53	7.60	7.47	7.52
1515	NYSE	DRQ	Fri, Oct 31, 2003	7.44	7.60	7.44	7.50
1514	NYSE	DRQ	Thu, Oct 30, 2003	7.55	7.58	7.41	7.47
1513	NYSE	DRQ	Wed, Oct 29, 2003	7.48	7.55	7.41	7.45
1512	NYSE	DRQ	Tue, Oct 28, 2003	7.47	7.57	7.47	7.48
1511	NYSE	DRQ	Mon, Oct 27, 2003	7.70	7.70	7.51	7.52
1510	NYSE	DRQ	Fri, Oct 24, 2003	7.68	7.70	7.60	7.68
1509	NYSE	DRQ	Thu, Oct 23, 2003	7.95	7.95	7.65	7.71
1508	NYSE	DRQ	Wed, Oct 22, 2003	8.00	8.00	7.95	7.98
1507	NYSE	DRQ	Tue, Oct 21, 2003	7.98	8.06	7.95	8.00
1506	NYSE	DRQ	Mon, Oct 20, 2003	7.95	8.03	7.88	8.02
1505	NYSE	DRQ	Fri, Oct 17, 2003	8.05	8.07	7.90	7.97
1504	NYSE	DRQ	Thu, Oct 16, 2003	8.03	8.05	7.99	8.03
1503	NYSE	DRQ	Wed, Oct 15, 2003	8.10	8.13	8.00	8.06
1502	NYSE	DRQ	Tue, Oct 14, 2003	8.05	8.10	8.03	8.05
1501	NYSE	DRQ	Mon, Oct 13, 2003	8.12	8.12	8.00	8.10
1500	NYSE	DRQ	Fri, Oct 10, 2003	8.33	8.33	8.08	8.11
1499	NYSE	DRQ	Thu, Oct 9, 2003	8.38	8.42	8.32	8.36
1498	NYSE	DRQ	Wed, Oct 8, 2003	8.53	8.58	8.35	8.35
1497	NYSE	DRQ	Tue, Oct 7, 2003	8.56	8.60	8.48	8.55
1496	NYSE	DRQ	Mon, Oct 6, 2003	8.55	8.63	8.50	8.60
1495	NYSE	DRQ	Fri, Oct 3, 2003	8.51	8.55	8.46	8.52
1494	NYSE	DRQ	Thu, Oct 2, 2003	8.53	8.61	8.49	8.50
1493	NYSE	DRQ	Wed, Oct 1, 2003	8.44	8.55	8.44	8.51
1492	NYSE	DRQ	Tue, Sep 30, 2003	8.46	8.55	8.35	8.45
1491	NYSE	DRQ	Mon, Sep 29, 2003	8.33	8.47	8.23	8.47
1490	NYSE	DRQ	Fri, Sep 26, 2003	8.53	8.53	8.35	8.36
1489	NYSE	DRQ	Thu, Sep 25, 2003	8.80	8.80	8.46	8.57
1488	NYSE	DRQ	Wed, Sep 24, 2003	8.81	8.90	8.79	8.79
1487	NYSE	DRQ	Tue, Sep 23, 2003	8.93	8.94	8.78	8.79
1486	NYSE	DRQ	Mon, Sep 22, 2003	9.00	9.06	8.94	8.94
1485	NYSE	DRQ	Fri, Sep 19, 2003	9.15	9.15	8.89	9.02
1484	NYSE	DRQ	Thu, Sep 18, 2003	9.18	9.21	9.10	9.18
1483	NYSE	DRQ	Wed, Sep 17, 2003	9.21	9.32	9.18	9.23
1482	NYSE	DRQ	Tue, Sep 16, 2003	9.10	9.30	9.10	9.25
1481	NYSE	DRQ	Mon, Sep 15, 2003	9.33	9.33	8.95	9.08
1480	NYSE	DRQ	Fri, Sep 12, 2003	9.35	9.35	9.26	9.31
1479	NYSE	DRQ	Thu, Sep 11, 2003	9.26	9.44	9.26	9.39
1478	NYSE	DRQ	Wed, Sep 10, 2003	9.15	9.23	9.12	9.21
1477	NYSE	DRQ	Tue, Sep 9, 2003	9.20	9.24	9.15	9.18
1476	NYSE	DRQ	Mon, Sep 8, 2003	9.23	9.25	9.20	9.21
1475	NYSE	DRQ	Fri, Sep 5, 2003	9.41	9.41	9.03	9.23
1474	NYSE	DRQ	Thu, Sep 4, 2003	9.66	9.71	9.40	9.41
1473	NYSE	DRQ	Wed, Sep 3, 2003	9.68	9.78	9.62	9.71
1472	NYSE	DRQ	Tue, Sep 2, 2003	9.41	9.70	9.23	9.66
1471	NYSE	DRQ	Fri, Aug 29, 2003	9.11	9.48	9.11	9.39
1470	NYSE	DRQ	Thu, Aug 28, 2003	8.78	9.17	8.77	9.15
1469	NYSE	DRQ	Wed, Aug 27, 2003	8.68	8.83	8.64	8.75
1468	NYSE	DRQ	Tue, Aug 26, 2003	8.59	8.68	8.48	8.68
1467	NYSE	DRQ	Mon, Aug 25, 2003	8.79	8.79	8.55	8.61
1466	NYSE	DRQ	Fri, Aug 22, 2003	8.90	8.90	8.63	8.80
1465	NYSE	DRQ	Thu, Aug 21, 2003	8.64	8.98	8.64	8.88
1464	NYSE	DRQ	Wed, Aug 20, 2003	8.40	8.60	8.40	8.60
1463	NYSE	DRQ	Tue, Aug 19, 2003	8.34	8.48	8.32	8.43
1462	NYSE	DRQ	Mon, Aug 18, 2003	8.33	8.42	8.26	8.32
1461	NYSE	DRQ	Fri, Aug 15, 2003	8.20	8.28	8.20	8.28
1460	NYSE	DRQ	Thu, Aug 14, 2003	8.27	8.27	8.15	8.19
1459	NYSE	DRQ	Wed, Aug 13, 2003	8.05	8.23	8.05	8.23
1458	NYSE	DRQ	Tue, Aug 12, 2003	7.80	8.06	7.74	8.06
1457	NYSE	DRQ	Mon, Aug 11, 2003	7.79	7.88	7.79	7.88
1456	NYSE	DRQ	Fri, Aug 8, 2003	7.85	7.85	7.76	7.79
1455	NYSE	DRQ	Thu, Aug 7, 2003	7.68	7.95	7.65	7.91
1454	NYSE	DRQ	Wed, Aug 6, 2003	7.70	7.80	7.65	7.71
1453	NYSE	DRQ	Tue, Aug 5, 2003	7.80	7.81	7.70	7.70
1452	NYSE	DRQ	Mon, Aug 4, 2003	7.87	7.95	7.83	7.83
1451	NYSE	DRQ	Fri, Aug 1, 2003	7.90	8.15	7.86	7.89
1450	NYSE	DRQ	Thu, Jul 31, 2003	7.94	7.95	7.83	7.85
1449	NYSE	DRQ	Wed, Jul 30, 2003	8.05	8.10	7.75	7.90
1448	NYSE	DRQ	Tue, Jul 29, 2003	8.24	8.24	7.99	8.02
1447	NYSE	DRQ	Mon, Jul 28, 2003	8.24	8.30	8.18	8.22
1446	NYSE	DRQ	Fri, Jul 25, 2003	8.13	8.21	8.11	8.20
1445	NYSE	DRQ	Thu, Jul 24, 2003	7.98	8.15	7.98	8.10
1444	NYSE	DRQ	Wed, Jul 23, 2003	8.13	8.13	7.88	7.95
1443	NYSE	DRQ	Tue, Jul 22, 2003	8.15	8.15	8.01	8.09
1442	NYSE	DRQ	Mon, Jul 21, 2003	8.38	8.38	8.15	8.18
1441	NYSE	DRQ	Fri, Jul 18, 2003	8.37	8.40	8.27	8.40
1440	NYSE	DRQ	Thu, Jul 17, 2003	8.25	8.32	8.15	8.24
1439	NYSE	DRQ	Wed, Jul 16, 2003	8.51	8.51	8.18	8.25
1438	NYSE	DRQ	Tue, Jul 15, 2003	8.66	8.73	8.45	8.51
1437	NYSE	DRQ	Mon, Jul 14, 2003	8.90	8.90	8.70	8.71
1436	NYSE	DRQ	Fri, Jul 11, 2003	8.70	8.87	8.69	8.87
1435	NYSE	DRQ	Thu, Jul 10, 2003	8.93	8.98	8.73	8.73
1434	NYSE	DRQ	Wed, Jul 9, 2003	8.88	8.96	8.86	8.96
1433	NYSE	DRQ	Tue, Jul 8, 2003	8.90	8.92	8.80	8.88
1432	NYSE	DRQ	Mon, Jul 7, 2003	8.91	8.94	8.61	8.88
1431	NYSE	DRQ	Thu, Jul 3, 2003	8.97	8.97	8.83	8.89
1430	NYSE	DRQ	Wed, Jul 2, 2003	8.92	8.98	8.92	8.97
1429	NYSE	DRQ	Tue, Jul 1, 2003	9.01	9.05	8.89	8.89
1428	NYSE	DRQ	Mon, Jun 30, 2003	8.98	9.10	8.96	9.10
1427	NYSE	DRQ	Fri, Jun 27, 2003	9.00	9.05	8.95	8.96
1426	NYSE	DRQ	Thu, Jun 26, 2003	9.16	9.18	8.95	8.95
1425	NYSE	DRQ	Wed, Jun 25, 2003	9.00	9.13	9.00	9.11
1424	NYSE	DRQ	Tue, Jun 24, 2003	8.95	9.03	8.92	9.00
1423	NYSE	DRQ	Mon, Jun 23, 2003	9.01	9.01	8.93	8.93
1422	NYSE	DRQ	Fri, Jun 20, 2003	9.08	9.10	9.00	9.03
1421	NYSE	DRQ	Thu, Jun 19, 2003	9.00	9.12	9.00	9.06
1420	NYSE	DRQ	Wed, Jun 18, 2003	8.98	9.05	8.90	9.00
1419	NYSE	DRQ	Tue, Jun 17, 2003	9.05	9.09	8.88	8.93
1418	NYSE	DRQ	Mon, Jun 16, 2003	9.10	9.10	8.86	9.03
1417	NYSE	DRQ	Fri, Jun 13, 2003	9.20	9.23	9.06	9.09
1416	NYSE	DRQ	Thu, Jun 12, 2003	9.00	9.27	8.88	9.27
1415	NYSE	DRQ	Wed, Jun 11, 2003	8.63	8.95	8.63	8.95
1414	NYSE	DRQ	Tue, Jun 10, 2003	8.50	8.64	8.50	8.64
1413	NYSE	DRQ	Mon, Jun 9, 2003	8.53	8.58	8.47	8.49
1412	NYSE	DRQ	Fri, Jun 6, 2003	8.68	8.88	8.55	8.55
1411	NYSE	DRQ	Thu, Jun 5, 2003	8.79	9.00	8.75	8.75
1410	NYSE	DRQ	Wed, Jun 4, 2003	8.42	8.84	8.42	8.79
1409	NYSE	DRQ	Tue, Jun 3, 2003	8.35	8.38	8.26	8.38
1408	NYSE	DRQ	Mon, Jun 2, 2003	8.45	8.53	8.33	8.33
1407	NYSE	DRQ	Fri, May 30, 2003	8.09	8.45	8.09	8.41
1406	NYSE	DRQ	Thu, May 29, 2003	8.00	8.05	7.98	8.05
1405	NYSE	DRQ	Wed, May 28, 2003	8.07	8.10	7.94	7.98
1404	NYSE	DRQ	Tue, May 27, 2003	7.94	8.08	7.94	8.05
1403	NYSE	DRQ	Fri, May 23, 2003	7.89	7.95	7.88	7.91
1402	NYSE	DRQ	Thu, May 22, 2003	7.85	7.95	7.85	7.92
1401	NYSE	DRQ	Wed, May 21, 2003	7.58	7.89	7.58	7.89
1400	NYSE	DRQ	Tue, May 20, 2003	7.63	7.63	7.48	7.58
1399	NYSE	DRQ	Mon, May 19, 2003	7.70	7.78	7.61	7.61
1398	NYSE	DRQ	Fri, May 16, 2003	8.14	8.19	7.65	7.65
1397	NYSE	DRQ	Thu, May 15, 2003	8.19	8.28	8.11	8.17
1396	NYSE	DRQ	Wed, May 14, 2003	8.18	8.18	8.09	8.18
1395	NYSE	DRQ	Tue, May 13, 2003	8.08	8.15	8.08	8.14
1394	NYSE	DRQ	Mon, May 12, 2003	7.93	8.18	7.93	8.08
1393	NYSE	DRQ	Fri, May 9, 2003	7.85	7.92	7.77	7.92
1392	NYSE	DRQ	Thu, May 8, 2003	7.78	7.88	7.76	7.88
1391	NYSE	DRQ	Wed, May 7, 2003	7.93	7.93	7.63	7.76
1390	NYSE	DRQ	Tue, May 6, 2003	7.85	7.98	7.80	7.93
1389	NYSE	DRQ	Mon, May 5, 2003	7.77	7.87	7.77	7.82
1388	NYSE	DRQ	Fri, May 2, 2003	7.64	7.78	7.64	7.78
1387	NYSE	DRQ	Thu, May 1, 2003	7.72	7.78	7.55	7.62
1386	NYSE	DRQ	Wed, Apr 30, 2003	7.68	7.75	7.66	7.69
1385	NYSE	DRQ	Tue, Apr 29, 2003	8.01	8.01	7.70	7.70
1384	NYSE	DRQ	Mon, Apr 28, 2003	7.93	8.01	7.93	8.01
1383	NYSE	DRQ	Fri, Apr 25, 2003	7.92	8.00	7.92	7.94
1382	NYSE	DRQ	Thu, Apr 24, 2003	8.06	8.06	7.94	7.94
1381	NYSE	DRQ	Wed, Apr 23, 2003	8.00	8.14	8.00	8.06
1380	NYSE	DRQ	Tue, Apr 22, 2003	7.80	8.03	7.80	7.98
1379	NYSE	DRQ	Mon, Apr 21, 2003	7.60	7.79	7.60	7.79
1378	NYSE	DRQ	Thu, Apr 17, 2003	7.43	7.65	7.43	7.60
1377	NYSE	DRQ	Wed, Apr 16, 2003	7.48	7.50	7.41	7.42
1376	NYSE	DRQ	Tue, Apr 15, 2003	7.53	7.55	7.45	7.45
1375	NYSE	DRQ	Mon, Apr 14, 2003	7.48	7.59	7.46	7.55
1374	NYSE	DRQ	Fri, Apr 11, 2003	7.54	7.54	7.47	7.50
1373	NYSE	DRQ	Thu, Apr 10, 2003	7.40	7.65	7.40	7.56
1372	NYSE	DRQ	Wed, Apr 9, 2003	7.53	7.64	7.40	7.40
1371	NYSE	DRQ	Tue, Apr 8, 2003	7.43	7.54	7.43	7.52
1370	NYSE	DRQ	Mon, Apr 7, 2003	7.26	7.43	7.26	7.43
1369	NYSE	DRQ	Fri, Apr 4, 2003	7.15	7.27	7.13	7.26
1368	NYSE	DRQ	Thu, Apr 3, 2003	7.10	7.25	7.10	7.20
1367	NYSE	DRQ	Wed, Apr 2, 2003	7.00	7.20	6.98	7.10
1366	NYSE	DRQ	Tue, Apr 1, 2003	6.84	7.00	6.77	6.96
1365	NYSE	DRQ	Mon, Mar 31, 2003	6.78	6.97	6.76	6.84
1364	NYSE	DRQ	Fri, Mar 28, 2003	6.60	6.90	6.60	6.83
1363	NYSE	DRQ	Thu, Mar 27, 2003	6.35	6.63	6.35	6.56
1362	NYSE	DRQ	Wed, Mar 26, 2003	6.46	6.46	6.35	6.35
1361	NYSE	DRQ	Tue, Mar 25, 2003	6.40	6.64	6.39	6.48
1360	NYSE	DRQ	Mon, Mar 24, 2003	6.45	6.59	6.37	6.39
1359	NYSE	DRQ	Fri, Mar 21, 2003	6.83	6.85	6.45	6.50
1358	NYSE	DRQ	Thu, Mar 20, 2003	6.73	6.92	6.68	6.83
1357	NYSE	DRQ	Wed, Mar 19, 2003	6.59	6.76	6.59	6.73
1356	NYSE	DRQ	Tue, Mar 18, 2003	6.33	6.58	6.30	6.58
1355	NYSE	DRQ	Mon, Mar 17, 2003	6.32	6.35	6.18	6.34
1354	NYSE	DRQ	Fri, Mar 14, 2003	6.25	6.38	6.25	6.27
1353	NYSE	DRQ	Thu, Mar 13, 2003	5.86	6.23	5.86	6.21
1352	NYSE	DRQ	Wed, Mar 12, 2003	6.04	6.04	5.78	5.85
1351	NYSE	DRQ	Tue, Mar 11, 2003	6.35	6.39	6.00	6.04
1350	NYSE	DRQ	Mon, Mar 10, 2003	6.68	6.68	6.34	6.34
1349	NYSE	DRQ	Fri, Mar 7, 2003	6.80	6.81	6.57	6.70
1348	NYSE	DRQ	Thu, Mar 6, 2003	6.95	6.95	6.60	6.79
1347	NYSE	DRQ	Wed, Mar 5, 2003	6.95	6.97	6.85	6.96
1346	NYSE	DRQ	Tue, Mar 4, 2003	7.00	7.00	6.88	6.95
1345	NYSE	DRQ	Mon, Mar 3, 2003	6.87	7.03	6.87	7.02
1344	NYSE	DRQ	Fri, Feb 28, 2003	7.06	7.07	6.81	6.84
1343	NYSE	DRQ	Thu, Feb 27, 2003	7.40	7.40	7.08	7.10
1342	NYSE	DRQ	Wed, Feb 26, 2003	7.51	7.55	7.40	7.40
1341	NYSE	DRQ	Tue, Feb 25, 2003	7.53	7.56	7.50	7.51
1340	NYSE	DRQ	Mon, Feb 24, 2003	7.52	7.64	7.52	7.55
1339	NYSE	DRQ	Fri, Feb 21, 2003	7.18	7.53	7.18	7.53
1338	NYSE	DRQ	Thu, Feb 20, 2003	7.30	7.30	7.19	7.19
1337	NYSE	DRQ	Wed, Feb 19, 2003	7.15	7.21	7.13	7.16
1336	NYSE	DRQ	Tue, Feb 18, 2003	7.21	7.23	7.11	7.15
1335	NYSE	DRQ	Fri, Feb 14, 2003	7.15	7.25	7.13	7.23
1334	NYSE	DRQ	Thu, Feb 13, 2003	7.01	7.25	7.01	7.17
1333	NYSE	DRQ	Wed, Feb 12, 2003	7.39	7.46	7.05	7.05
1332	NYSE	DRQ	Tue, Feb 11, 2003	7.65	7.65	7.40	7.40
1331	NYSE	DRQ	Mon, Feb 10, 2003	7.56	7.73	7.43	7.57
1330	NYSE	DRQ	Fri, Feb 7, 2003	8.00	8.00	7.58	7.58
1329	NYSE	DRQ	Thu, Feb 6, 2003	8.00	8.08	7.89	7.98
1328	NYSE	DRQ	Wed, Feb 5, 2003	7.73	8.06	7.73	7.95
1327	NYSE	DRQ	Tue, Feb 4, 2003	7.71	7.79	7.67	7.76
1326	NYSE	DRQ	Mon, Feb 3, 2003	7.85	7.85	7.70	7.71
1325	NYSE	DRQ	Fri, Jan 31, 2003	7.54	7.84	7.48	7.83
1324	NYSE	DRQ	Thu, Jan 30, 2003	7.84	7.88	7.49	7.54
1323	NYSE	DRQ	Wed, Jan 29, 2003	7.71	7.75	7.52	7.74
1322	NYSE	DRQ	Tue, Jan 28, 2003	7.49	7.76	7.49	7.76
1321	NYSE	DRQ	Mon, Jan 27, 2003	7.69	7.80	7.33	7.53
1320	NYSE	DRQ	Fri, Jan 24, 2003	8.11	8.11	7.69	7.69
1319	NYSE	DRQ	Thu, Jan 23, 2003	8.13	8.14	7.96	8.13
1318	NYSE	DRQ	Wed, Jan 22, 2003	7.85	8.13	7.64	8.05
1317	NYSE	DRQ	Tue, Jan 21, 2003	7.80	7.80	7.61	7.78
1316	NYSE	DRQ	Fri, Jan 17, 2003	8.22	8.22	7.79	7.84
1315	NYSE	DRQ	Thu, Jan 16, 2003	8.08	8.39	8.07	8.27
1314	NYSE	DRQ	Wed, Jan 15, 2003	7.84	8.07	7.83	8.03
1313	NYSE	DRQ	Tue, Jan 14, 2003	7.88	7.94	7.80	7.84
1312	NYSE	DRQ	Mon, Jan 13, 2003	8.06	8.06	7.80	7.89
1311	NYSE	DRQ	Fri, Jan 10, 2003	8.09	8.12	8.01	8.03
1310	NYSE	DRQ	Thu, Jan 9, 2003	8.03	8.16	8.01	8.06
1309	NYSE	DRQ	Wed, Jan 8, 2003	7.96	8.20	7.96	8.03
1308	NYSE	DRQ	Tue, Jan 7, 2003	8.52	8.52	8.01	8.01
1307	NYSE	DRQ	Mon, Jan 6, 2003	8.72	8.76	8.53	8.55
1306	NYSE	DRQ	Fri, Jan 3, 2003	8.48	8.83	8.42	8.70
1305	NYSE	DRQ	Thu, Jan 2, 2003	8.43	8.73	8.35	8.43
1304	NYSE	DRQ	Tue, Dec 31, 2002	8.51	8.65	8.45	8.45
1303	NYSE	DRQ	Mon, Dec 30, 2002	8.65	8.80	8.45	8.53
1302	NYSE	DRQ	Fri, Dec 27, 2002	9.10	9.18	8.54	8.60
1301	NYSE	DRQ	Thu, Dec 26, 2002	8.90	9.42	8.90	9.10
1300	NYSE	DRQ	Tue, Dec 24, 2002	8.93	8.95	8.87	8.87
1299	NYSE	DRQ	Mon, Dec 23, 2002	8.23	8.90	8.18	8.90
1298	NYSE	DRQ	Fri, Dec 20, 2002	8.48	8.48	8.23	8.24
1297	NYSE	DRQ	Thu, Dec 19, 2002	8.36	8.53	8.36	8.48
1296	NYSE	DRQ	Wed, Dec 18, 2002	8.49	8.49	8.31	8.35
1295	NYSE	DRQ	Tue, Dec 17, 2002	8.78	8.88	8.40	8.50
1294	NYSE	DRQ	Mon, Dec 16, 2002	9.18	9.33	8.75	8.75
1293	NYSE	DRQ	Fri, Dec 13, 2002	9.53	9.65	9.15	9.15
1292	NYSE	DRQ	Thu, Dec 12, 2002	9.20	9.55	9.20	9.55
1291	NYSE	DRQ	Wed, Dec 11, 2002	9.40	9.40	9.15	9.15
1290	NYSE	DRQ	Tue, Dec 10, 2002	8.96	9.48	8.96	9.44
1289	NYSE	DRQ	Mon, Dec 9, 2002	8.77	9.38	8.76	9.01
1288	NYSE	DRQ	Fri, Dec 6, 2002	9.27	9.27	8.81	8.83
1287	NYSE	DRQ	Thu, Dec 5, 2002	9.58	9.58	9.28	9.32
1286	NYSE	DRQ	Wed, Dec 4, 2002	9.65	9.67	9.58	9.58
1285	NYSE	DRQ	Tue, Dec 3, 2002	9.69	9.74	9.58	9.65
1284	NYSE	DRQ	Mon, Dec 2, 2002	9.46	9.80	9.46	9.73
1283	NYSE	DRQ	Fri, Nov 29, 2002	9.71	9.77	9.43	9.43
1282	NYSE	DRQ	Wed, Nov 27, 2002	9.55	9.77	9.55	9.72
1281	NYSE	DRQ	Tue, Nov 26, 2002	10.19	10.19	9.55	9.55
1280	NYSE	DRQ	Mon, Nov 25, 2002	9.95	10.20	9.95	10.20
1279	NYSE	DRQ	Fri, Nov 22, 2002	10.05	10.09	9.97	10.00
1278	NYSE	DRQ	Thu, Nov 21, 2002	10.17	10.25	10.00	10.00
1277	NYSE	DRQ	Wed, Nov 20, 2002	9.66	10.18	9.63	10.18
1276	NYSE	DRQ	Tue, Nov 19, 2002	9.75	9.93	9.63	9.63
1275	NYSE	DRQ	Mon, Nov 18, 2002	9.58	9.73	9.53	9.73
1274	NYSE	DRQ	Fri, Nov 15, 2002	9.89	9.89	9.63	9.63
1273	NYSE	DRQ	Thu, Nov 14, 2002	9.42	9.89	9.42	9.89
1272	NYSE	DRQ	Wed, Nov 13, 2002	9.98	10.00	9.37	9.37
1271	NYSE	DRQ	Tue, Nov 12, 2002	10.21	10.45	10.02	10.03
1270	NYSE	DRQ	Mon, Nov 11, 2002	10.69	10.69	10.26	10.26
1269	NYSE	DRQ	Fri, Nov 8, 2002	10.81	10.81	10.57	10.63
1268	NYSE	DRQ	Thu, Nov 7, 2002	11.13	11.27	10.75	10.81
1267	NYSE	DRQ	Wed, Nov 6, 2002	10.83	11.35	10.83	11.25
1266	NYSE	DRQ	Tue, Nov 5, 2002	11.00	11.00	10.88	10.88
1265	NYSE	DRQ	Mon, Nov 4, 2002	10.93	11.00	10.79	11.00
1264	NYSE	DRQ	Fri, Nov 1, 2002	10.15	10.80	10.15	10.80
1263	NYSE	DRQ	Thu, Oct 31, 2002	10.40	10.45	10.10	10.13
1262	NYSE	DRQ	Wed, Oct 30, 2002	10.28	10.58	10.28	10.50
1261	NYSE	DRQ	Tue, Oct 29, 2002	10.32	10.32	10.15	10.23
1260	NYSE	DRQ	Mon, Oct 28, 2002	10.32	10.50	10.30	10.31
1259	NYSE	DRQ	Fri, Oct 25, 2002	10.75	10.76	10.25	10.29
1258	NYSE	DRQ	Thu, Oct 24, 2002	10.83	10.93	10.67	10.75
1257	NYSE	DRQ	Wed, Oct 23, 2002	10.95	11.00	10.74	10.95
1256	NYSE	DRQ	Tue, Oct 22, 2002	10.97	11.03	10.70	10.94
1255	NYSE	DRQ	Mon, Oct 21, 2002	10.75	11.00	10.48	10.97
1254	NYSE	DRQ	Fri, Oct 18, 2002	10.93	11.10	10.81	10.81
1253	NYSE	DRQ	Thu, Oct 17, 2002	10.23	10.88	10.18	10.88
1252	NYSE	DRQ	Wed, Oct 16, 2002	10.38	10.53	9.95	10.17
1251	NYSE	DRQ	Tue, Oct 15, 2002	9.25	10.63	9.25	10.54
1250	NYSE	DRQ	Mon, Oct 14, 2002	8.59	9.17	8.59	9.17
1249	NYSE	DRQ	Fri, Oct 11, 2002	8.13	8.75	8.13	8.63
1248	NYSE	DRQ	Thu, Oct 10, 2002	8.20	8.26	7.98	8.10
1247	NYSE	DRQ	Wed, Oct 9, 2002	8.33	8.38	8.20	8.23
1246	NYSE	DRQ	Tue, Oct 8, 2002	8.63	8.69	8.33	8.33
1245	NYSE	DRQ	Mon, Oct 7, 2002	8.55	8.59	8.50	8.58
1244	NYSE	DRQ	Fri, Oct 4, 2002	8.70	8.70	8.51	8.58
1243	NYSE	DRQ	Thu, Oct 3, 2002	8.83	8.98	8.65	8.71
1242	NYSE	DRQ	Wed, Oct 2, 2002	8.91	9.18	8.75	8.86
1241	NYSE	DRQ	Tue, Oct 1, 2002	8.50	8.92	8.32	8.92
1240	NYSE	DRQ	Mon, Sep 30, 2002	8.93	9.00	8.35	8.43
1239	NYSE	DRQ	Fri, Sep 27, 2002	9.07	9.26	8.98	8.98
1238	NYSE	DRQ	Thu, Sep 26, 2002	8.86	9.15	8.86	9.10
1237	NYSE	DRQ	Wed, Sep 25, 2002	8.58	8.87	8.53	8.83
1236	NYSE	DRQ	Tue, Sep 24, 2002	9.01	9.01	8.59	8.60
1235	NYSE	DRQ	Mon, Sep 23, 2002	8.89	9.14	8.89	9.01
1234	NYSE	DRQ	Fri, Sep 20, 2002	9.15	9.20	8.89	8.93
1233	NYSE	DRQ	Thu, Sep 19, 2002	9.45	9.55	8.99	9.10
1232	NYSE	DRQ	Wed, Sep 18, 2002	9.34	9.53	9.34	9.43
1231	NYSE	DRQ	Tue, Sep 17, 2002	9.31	9.43	9.11	9.31
1230	NYSE	DRQ	Mon, Sep 16, 2002	9.14	9.43	9.06	9.30
1229	NYSE	DRQ	Fri, Sep 13, 2002	9.15	9.34	9.06	9.10
1228	NYSE	DRQ	Thu, Sep 12, 2002	9.50	9.54	9.11	9.11
1227	NYSE	DRQ	Wed, Sep 11, 2002	9.60	9.68	9.55	9.55
1226	NYSE	DRQ	Tue, Sep 10, 2002	9.43	9.66	9.43	9.60
1225	NYSE	DRQ	Mon, Sep 9, 2002	9.08	9.47	9.08	9.41
1224	NYSE	DRQ	Fri, Sep 6, 2002	9.03	9.20	8.97	9.03
1223	NYSE	DRQ	Thu, Sep 5, 2002	9.18	9.38	8.98	8.98
1222	NYSE	DRQ	Wed, Sep 4, 2002	8.95	9.19	8.95	9.18
1221	NYSE	DRQ	Tue, Sep 3, 2002	9.66	9.66	8.98	8.98
1220	NYSE	DRQ	Fri, Aug 30, 2002	9.59	9.83	9.59	9.71
1219	NYSE	DRQ	Thu, Aug 29, 2002	9.79	9.87	9.61	9.63
1218	NYSE	DRQ	Wed, Aug 28, 2002	9.68	9.98	9.68	9.78
1217	NYSE	DRQ	Tue, Aug 27, 2002	10.24	10.24	9.73	9.73
1216	NYSE	DRQ	Mon, Aug 26, 2002	9.65	10.24	9.60	10.24
1215	NYSE	DRQ	Fri, Aug 23, 2002	10.00	10.05	9.62	9.62
1214	NYSE	DRQ	Thu, Aug 22, 2002	10.00	10.21	9.90	10.08
1213	NYSE	DRQ	Wed, Aug 21, 2002	9.93	10.00	9.87	9.99
1212	NYSE	DRQ	Tue, Aug 20, 2002	9.93	9.93	9.83	9.88
1211	NYSE	DRQ	Mon, Aug 19, 2002	9.88	10.11	9.88	9.95
1210	NYSE	DRQ	Fri, Aug 16, 2002	9.90	9.90	9.63	9.88
1209	NYSE	DRQ	Thu, Aug 15, 2002	9.50	10.15	9.50	9.93
1208	NYSE	DRQ	Wed, Aug 14, 2002	9.41	9.54	9.28	9.43
1207	NYSE	DRQ	Tue, Aug 13, 2002	9.41	9.68	9.31	9.35
1206	NYSE	DRQ	Mon, Aug 12, 2002	8.76	9.45	8.63	9.45
1205	NYSE	DRQ	Fri, Aug 9, 2002	8.30	8.76	8.20	8.76
1204	NYSE	DRQ	Thu, Aug 8, 2002	8.10	8.38	8.10	8.26
1203	NYSE	DRQ	Wed, Aug 7, 2002	8.48	8.52	7.88	8.09
1202	NYSE	DRQ	Tue, Aug 6, 2002	7.91	8.47	7.91	8.47
1201	NYSE	DRQ	Mon, Aug 5, 2002	8.17	8.17	7.81	7.85
1200	NYSE	DRQ	Fri, Aug 2, 2002	8.95	8.95	8.17	8.17
1199	NYSE	DRQ	Thu, Aug 1, 2002	8.93	9.00	8.79	8.98
1198	NYSE	DRQ	Wed, Jul 31, 2002	9.08	9.11	8.85	8.85
1197	NYSE	DRQ	Tue, Jul 30, 2002	8.93	9.08	8.89	9.08
1196	NYSE	DRQ	Mon, Jul 29, 2002	8.50	8.98	8.48	8.97
1195	NYSE	DRQ	Fri, Jul 26, 2002	8.95	9.00	8.90	8.91
1194	NYSE	DRQ	Thu, Jul 25, 2002	9.03	9.17	8.93	8.95
1193	NYSE	DRQ	Wed, Jul 24, 2002	8.50	9.03	8.19	9.03
1192	NYSE	DRQ	Tue, Jul 23, 2002	9.08	9.13	8.60	8.60
1191	NYSE	DRQ	Mon, Jul 22, 2002	9.83	9.83	9.00	9.00
1190	NYSE	DRQ	Fri, Jul 19, 2002	10.03	10.03	9.40	9.85
1189	NYSE	DRQ	Thu, Jul 18, 2002	10.45	10.50	9.90	10.03
1188	NYSE	DRQ	Wed, Jul 17, 2002	10.15	10.40	9.80	10.40
1187	NYSE	DRQ	Tue, Jul 16, 2002	10.11	10.23	9.99	10.10
1186	NYSE	DRQ	Mon, Jul 15, 2002	10.80	10.80	9.95	10.08
1185	NYSE	DRQ	Fri, Jul 12, 2002	10.83	11.11	10.46	10.76
1184	NYSE	DRQ	Thu, Jul 11, 2002	11.65	11.65	10.70	10.80
1183	NYSE	DRQ	Wed, Jul 10, 2002	12.50	12.63	11.68	11.68
1182	NYSE	DRQ	Tue, Jul 9, 2002	12.46	12.83	12.45	12.45
1181	NYSE	DRQ	Mon, Jul 8, 2002	12.66	12.73	12.50	12.51
1180	NYSE	DRQ	Fri, Jul 5, 2002	12.40	12.79	12.40	12.66
1179	NYSE	DRQ	Wed, Jul 3, 2002	11.80	12.40	11.70	12.40
1178	NYSE	DRQ	Tue, Jul 2, 2002	12.23	12.23	11.78	11.79
1177	NYSE	DRQ	Mon, Jul 1, 2002	12.50	12.68	12.23	12.23
1176	NYSE	DRQ	Fri, Jun 28, 2002	12.63	12.99	12.48	12.48
1175	NYSE	DRQ	Thu, Jun 27, 2002	12.00	12.50	12.00	12.50
1174	NYSE	DRQ	Wed, Jun 26, 2002	11.85	12.07	11.83	12.03
1173	NYSE	DRQ	Tue, Jun 25, 2002	11.77	12.05	11.77	11.90
1172	NYSE	DRQ	Mon, Jun 24, 2002	11.68	11.72	11.46	11.65
1171	NYSE	DRQ	Fri, Jun 21, 2002	11.35	11.65	11.19	11.65
1170	NYSE	DRQ	Thu, Jun 20, 2002	11.20	11.45	11.20	11.28
1169	NYSE	DRQ	Wed, Jun 19, 2002	11.01	11.30	11.01	11.15
1168	NYSE	DRQ	Tue, Jun 18, 2002	11.05	11.09	10.97	11.01
1167	NYSE	DRQ	Mon, Jun 17, 2002	10.75	11.13	10.75	11.10
1166	NYSE	DRQ	Fri, Jun 14, 2002	10.38	10.72	10.34	10.72
1165	NYSE	DRQ	Thu, Jun 13, 2002	10.66	10.66	10.43	10.48
1164	NYSE	DRQ	Wed, Jun 12, 2002	10.63	10.69	10.59	10.66
1163	NYSE	DRQ	Tue, Jun 11, 2002	10.88	10.92	10.63	10.63
1162	NYSE	DRQ	Mon, Jun 10, 2002	11.28	11.28	10.85	10.85
1161	NYSE	DRQ	Fri, Jun 7, 2002	11.35	11.48	11.33	11.33
1160	NYSE	DRQ	Thu, Jun 6, 2002	11.35	11.55	11.34	11.40
1159	NYSE	DRQ	Wed, Jun 5, 2002	11.35	11.41	11.30	11.40
1158	NYSE	DRQ	Tue, Jun 4, 2002	11.25	11.38	11.13	11.38
1157	NYSE	DRQ	Mon, Jun 3, 2002	11.58	11.58	11.19	11.25
1156	NYSE	DRQ	Fri, May 31, 2002	11.49	11.65	11.45	11.58
1155	NYSE	DRQ	Thu, May 30, 2002	11.49	11.49	11.43	11.48
1154	NYSE	DRQ	Wed, May 29, 2002	11.58	11.58	11.45	11.48
1153	NYSE	DRQ	Tue, May 28, 2002	11.51	11.88	11.51	11.63
1152	NYSE	DRQ	Fri, May 24, 2002	11.58	11.59	11.50	11.55
1151	NYSE	DRQ	Thu, May 23, 2002	11.33	11.59	11.28	11.55
1150	NYSE	DRQ	Wed, May 22, 2002	11.15	11.37	11.07	11.37
1149	NYSE	DRQ	Tue, May 21, 2002	11.46	11.46	11.20	11.20
1148	NYSE	DRQ	Mon, May 20, 2002	11.49	11.60	11.38	11.50
1147	NYSE	DRQ	Fri, May 17, 2002	11.64	11.69	11.45	11.52
1146	NYSE	DRQ	Thu, May 16, 2002	11.94	11.98	11.69	11.89
1145	NYSE	DRQ	Wed, May 15, 2002	12.74	12.74	11.90	11.99
1144	NYSE	DRQ	Tue, May 14, 2002	12.66	12.74	12.40	12.74
1143	NYSE	DRQ	Mon, May 13, 2002	12.70	12.70	12.32	12.61
1142	NYSE	DRQ	Fri, May 10, 2002	12.60	12.90	12.55	12.68
1141	NYSE	DRQ	Thu, May 9, 2002	12.90	12.90	12.63	12.63
1140	NYSE	DRQ	Wed, May 8, 2002	12.65	12.93	12.65	12.88
1139	NYSE	DRQ	Tue, May 7, 2002	12.82	13.03	12.55	12.55
1138	NYSE	DRQ	Mon, May 6, 2002	13.60	13.60	12.78	12.78
1137	NYSE	DRQ	Fri, May 3, 2002	13.40	13.82	13.35	13.60
1136	NYSE	DRQ	Thu, May 2, 2002	12.63	13.35	12.51	13.35
1135	NYSE	DRQ	Wed, May 1, 2002	12.34	12.75	12.10	12.65
1134	NYSE	DRQ	Tue, Apr 30, 2002	12.31	12.43	12.25	12.35
1133	NYSE	DRQ	Mon, Apr 29, 2002	11.88	12.31	11.80	12.31
1132	NYSE	DRQ	Fri, Apr 26, 2002	11.83	11.95	11.69	11.88
1131	NYSE	DRQ	Thu, Apr 25, 2002	11.82	12.15	11.71	11.75
1130	NYSE	DRQ	Wed, Apr 24, 2002	12.13	12.13	11.60	11.75
1129	NYSE	DRQ	Tue, Apr 23, 2002	12.10	12.38	12.09	12.17
1128	NYSE	DRQ	Mon, Apr 22, 2002	11.86	12.10	11.75	12.10
1127	NYSE	DRQ	Fri, Apr 19, 2002	11.70	11.89	11.55	11.89
1126	NYSE	DRQ	Thu, Apr 18, 2002	11.50	11.82	11.50	11.70
1125	NYSE	DRQ	Wed, Apr 17, 2002	11.08	11.56	11.08	11.45
1124	NYSE	DRQ	Tue, Apr 16, 2002	11.49	11.55	10.88	10.88
1123	NYSE	DRQ	Mon, Apr 15, 2002	11.40	11.56	11.32	11.44
1122	NYSE	DRQ	Fri, Apr 12, 2002	11.40	11.40	11.11	11.35
1121	NYSE	DRQ	Thu, Apr 11, 2002	11.85	12.06	11.51	11.55
1120	NYSE	DRQ	Wed, Apr 10, 2002	11.58	11.85	11.58	11.85
1119	NYSE	DRQ	Tue, Apr 9, 2002	12.05	12.05	11.50	11.53
1118	NYSE	DRQ	Mon, Apr 8, 2002	11.92	12.10	11.72	12.10
1117	NYSE	DRQ	Fri, Apr 5, 2002	11.65	11.98	11.60	11.90
1116	NYSE	DRQ	Thu, Apr 4, 2002	12.20	12.20	11.40	11.58
1115	NYSE	DRQ	Wed, Apr 3, 2002	12.60	12.60	12.20	12.25
1114	NYSE	DRQ	Tue, Apr 2, 2002	12.50	12.75	12.33	12.60
1113	NYSE	DRQ	Mon, Apr 1, 2002	12.93	12.97	12.45	12.45
1112	NYSE	DRQ	Thu, Mar 28, 2002	12.99	13.30	12.67	12.83
1111	NYSE	DRQ	Wed, Mar 27, 2002	12.24	12.95	12.24	12.95
1110	NYSE	DRQ	Tue, Mar 26, 2002	12.18	12.20	12.10	12.20
1109	NYSE	DRQ	Mon, Mar 25, 2002	11.85	12.20	11.85	12.15
1108	NYSE	DRQ	Fri, Mar 22, 2002	12.20	12.20	11.86	11.86
1107	NYSE	DRQ	Thu, Mar 21, 2002	12.18	12.30	12.15	12.25
1106	NYSE	DRQ	Wed, Mar 20, 2002	12.41	12.48	12.15	12.15
1105	NYSE	DRQ	Tue, Mar 19, 2002	12.38	12.46	12.33	12.40
1104	NYSE	DRQ	Mon, Mar 18, 2002	11.82	12.36	11.82	12.28
1103	NYSE	DRQ	Fri, Mar 15, 2002	11.55	11.95	11.55	11.80
1102	NYSE	DRQ	Thu, Mar 14, 2002	11.80	11.80	11.41	11.60
1101	NYSE	DRQ	Wed, Mar 13, 2002	11.86	12.00	11.70	11.73
1100	NYSE	DRQ	Tue, Mar 12, 2002	12.08	12.09	11.77	11.81
1099	NYSE	DRQ	Mon, Mar 11, 2002	11.53	12.10	11.53	12.08
1098	NYSE	DRQ	Fri, Mar 8, 2002	12.10	12.10	11.40	11.48
1097	NYSE	DRQ	Thu, Mar 7, 2002	12.20	12.40	12.10	12.12
1096	NYSE	DRQ	Wed, Mar 6, 2002	11.75	12.15	11.53	12.15
1095	NYSE	DRQ	Tue, Mar 5, 2002	12.53	12.55	11.70	11.73
1094	NYSE	DRQ	Mon, Mar 4, 2002	11.83	12.65	11.83	12.65
1093	NYSE	DRQ	Fri, Mar 1, 2002	11.75	11.90	11.72	11.83
1092	NYSE	DRQ	Thu, Feb 28, 2002	11.66	11.83	11.61	11.72
1091	NYSE	DRQ	Wed, Feb 27, 2002	11.66	11.73	11.62	11.65
1090	NYSE	DRQ	Tue, Feb 26, 2002	12.20	12.20	11.71	11.71
1089	NYSE	DRQ	Mon, Feb 25, 2002	11.53	12.31	11.53	12.20
1088	NYSE	DRQ	Fri, Feb 22, 2002	11.10	11.50	11.10	11.50
1087	NYSE	DRQ	Thu, Feb 21, 2002	10.40	11.09	10.40	11.09
1086	NYSE	DRQ	Wed, Feb 20, 2002	10.35	10.60	10.30	10.38
1085	NYSE	DRQ	Tue, Feb 19, 2002	10.45	10.45	10.37	10.41
1084	NYSE	DRQ	Fri, Feb 15, 2002	10.23	10.55	10.23	10.49
1083	NYSE	DRQ	Thu, Feb 14, 2002	10.40	10.58	10.23	10.23
1082	NYSE	DRQ	Wed, Feb 13, 2002	9.95	10.42	9.95	10.42
1081	NYSE	DRQ	Tue, Feb 12, 2002	10.23	10.50	9.95	9.95
1080	NYSE	DRQ	Mon, Feb 11, 2002	10.00	10.34	9.90	10.21
1079	NYSE	DRQ	Fri, Feb 8, 2002	9.80	10.00	9.78	10.00
1078	NYSE	DRQ	Thu, Feb 7, 2002	9.75	9.90	9.74	9.85
1077	NYSE	DRQ	Wed, Feb 6, 2002	10.15	10.25	9.75	9.76
1076	NYSE	DRQ	Tue, Feb 5, 2002	10.40	10.42	10.15	10.20
1075	NYSE	DRQ	Mon, Feb 4, 2002	10.82	10.82	10.45	10.48
1074	NYSE	DRQ	Fri, Feb 1, 2002	10.98	11.25	10.80	10.80
1073	NYSE	DRQ	Thu, Jan 31, 2002	10.08	10.98	10.08	10.98
1072	NYSE	DRQ	Wed, Jan 30, 2002	9.95	10.20	9.60	10.05
1071	NYSE	DRQ	Tue, Jan 29, 2002	9.60	10.00	9.46	10.00
1070	NYSE	DRQ	Mon, Jan 28, 2002	10.40	10.40	9.49	9.67
1069	NYSE	DRQ	Fri, Jan 25, 2002	10.13	10.42	10.13	10.40
1068	NYSE	DRQ	Thu, Jan 24, 2002	9.80	10.14	9.80	10.14
1067	NYSE	DRQ	Wed, Jan 23, 2002	9.70	9.87	9.65	9.85
1066	NYSE	DRQ	Tue, Jan 22, 2002	9.90	9.93	9.67	9.67
1065	NYSE	DRQ	Fri, Jan 18, 2002	9.93	10.10	9.78	9.90
1064	NYSE	DRQ	Thu, Jan 17, 2002	9.99	10.08	9.75	9.90
1063	NYSE	DRQ	Wed, Jan 16, 2002	10.35	10.35	9.92	9.93
1062	NYSE	DRQ	Tue, Jan 15, 2002	10.15	10.58	10.15	10.35
1061	NYSE	DRQ	Mon, Jan 14, 2002	10.83	10.88	10.21	10.21
1060	NYSE	DRQ	Fri, Jan 11, 2002	11.25	11.26	10.83	10.83
1059	NYSE	DRQ	Thu, Jan 10, 2002	11.50	11.50	11.25	11.30
1058	NYSE	DRQ	Wed, Jan 9, 2002	11.50	11.74	11.45	11.54
1057	NYSE	DRQ	Tue, Jan 8, 2002	11.55	11.64	11.36	11.55
1056	NYSE	DRQ	Mon, Jan 7, 2002	11.13	11.71	11.13	11.60
1055	NYSE	DRQ	Fri, Jan 4, 2002	11.22	11.24	10.95	11.10
1054	NYSE	DRQ	Thu, Jan 3, 2002	11.26	11.35	11.22	11.22
1053	NYSE	DRQ	Wed, Jan 2, 2002	11.95	11.95	11.24	11.25
1052	NYSE	DRQ	Mon, Dec 31, 2001	12.16	12.33	12.05	12.05
1051	NYSE	DRQ	Fri, Dec 28, 2001	12.28	12.44	12.09	12.15
1050	NYSE	DRQ	Thu, Dec 27, 2001	11.98	12.35	11.97	12.23
1049	NYSE	DRQ	Wed, Dec 26, 2001	11.50	11.98	11.50	11.98
1048	NYSE	DRQ	Mon, Dec 24, 2001	11.50	11.65	11.41	11.47
1047	NYSE	DRQ	Fri, Dec 21, 2001	11.77	11.84	11.53	11.55
1046	NYSE	DRQ	Thu, Dec 20, 2001	11.93	12.00	11.77	11.77
1045	NYSE	DRQ	Wed, Dec 19, 2001	11.50	12.05	11.50	11.93
1044	NYSE	DRQ	Tue, Dec 18, 2001	10.85	11.50	10.83	11.50
1043	NYSE	DRQ	Mon, Dec 17, 2001	10.76	10.78	10.50	10.75
1042	NYSE	DRQ	Fri, Dec 14, 2001	10.70	10.97	10.63	10.75
1041	NYSE	DRQ	Thu, Dec 13, 2001	10.63	10.79	10.46	10.67
1040	NYSE	DRQ	Wed, Dec 12, 2001	9.87	10.50	9.76	10.50
1039	NYSE	DRQ	Tue, Dec 11, 2001	9.52	9.87	9.49	9.87
1038	NYSE	DRQ	Mon, Dec 10, 2001	9.68	9.73	9.45	9.47
1037	NYSE	DRQ	Fri, Dec 7, 2001	9.65	9.80	9.63	9.79
1036	NYSE	DRQ	Thu, Dec 6, 2001	9.81	9.86	9.62	9.67
1035	NYSE	DRQ	Wed, Dec 5, 2001	9.85	10.19	9.85	9.93
1034	NYSE	DRQ	Tue, Dec 4, 2001	9.44	9.87	9.38	9.87
1033	NYSE	DRQ	Mon, Dec 3, 2001	9.64	9.77	9.43	9.43
1032	NYSE	DRQ	Fri, Nov 30, 2001	9.50	9.73	9.38	9.66
1031	NYSE	DRQ	Thu, Nov 29, 2001	9.17	9.43	9.15	9.43
1030	NYSE	DRQ	Wed, Nov 28, 2001	9.40	9.41	9.10	9.17
1029	NYSE	DRQ	Tue, Nov 27, 2001	9.04	9.44	8.92	9.44
1028	NYSE	DRQ	Mon, Nov 26, 2001	9.13	9.13	8.60	9.04
1027	NYSE	DRQ	Fri, Nov 23, 2001	8.87	9.05	8.87	9.04
1026	NYSE	DRQ	Wed, Nov 21, 2001	9.05	9.05	8.79	8.87
1025	NYSE	DRQ	Tue, Nov 20, 2001	8.83	9.25	8.83	9.05
1024	NYSE	DRQ	Mon, Nov 19, 2001	8.70	8.73	8.55	8.63
1023	NYSE	DRQ	Fri, Nov 16, 2001	8.17	8.78	7.95	8.78
1022	NYSE	DRQ	Thu, Nov 15, 2001	8.50	8.50	7.79	8.17
1021	NYSE	DRQ	Wed, Nov 14, 2001	8.77	8.77	8.28	8.60
1020	NYSE	DRQ	Tue, Nov 13, 2001	8.65	8.93	8.58	8.77
1019	NYSE	DRQ	Mon, Nov 12, 2001	8.46	8.55	8.25	8.50
1018	NYSE	DRQ	Fri, Nov 9, 2001	8.09	8.60	8.09	8.46
1017	NYSE	DRQ	Thu, Nov 8, 2001	8.08	8.25	8.01	8.01
1016	NYSE	DRQ	Wed, Nov 7, 2001	7.90	8.15	7.73	8.04
1015	NYSE	DRQ	Tue, Nov 6, 2001	7.79	8.00	7.58	8.00
1014	NYSE	DRQ	Mon, Nov 5, 2001	8.26	8.32	7.75	7.91
1013	NYSE	DRQ	Fri, Nov 2, 2001	8.49	8.49	8.14	8.15
1012	NYSE	DRQ	Thu, Nov 1, 2001	8.55	8.65	8.37	8.52
1011	NYSE	DRQ	Wed, Oct 31, 2001	8.38	8.68	8.12	8.53
1010	NYSE	DRQ	Tue, Oct 30, 2001	9.25	9.25	8.53	8.58
1009	NYSE	DRQ	Mon, Oct 29, 2001	9.01	9.55	9.01	9.30
1008	NYSE	DRQ	Fri, Oct 26, 2001	8.63	9.05	8.40	9.00
1007	NYSE	DRQ	Thu, Oct 25, 2001	7.33	8.55	7.30	8.55
1006	NYSE	DRQ	Wed, Oct 24, 2001	7.41	7.41	7.10	7.33
1005	NYSE	DRQ	Tue, Oct 23, 2001	7.45	7.61	7.37	7.43
1004	NYSE	DRQ	Mon, Oct 22, 2001	7.38	7.50	7.20	7.42
1003	NYSE	DRQ	Fri, Oct 19, 2001	7.33	7.45	7.16	7.36
1002	NYSE	DRQ	Thu, Oct 18, 2001	7.38	7.38	7.23	7.32
1001	NYSE	DRQ	Wed, Oct 17, 2001	7.43	7.60	7.14	7.38
1000	NYSE	DRQ	Tue, Oct 16, 2001	7.38	7.50	7.30	7.37
999	NYSE	DRQ	Mon, Oct 15, 2001	7.50	7.50	7.21	7.35
998	NYSE	DRQ	Fri, Oct 12, 2001	7.45	7.64	7.40	7.50
997	NYSE	DRQ	Thu, Oct 11, 2001	7.53	7.77	7.29	7.38
996	NYSE	DRQ	Wed, Oct 10, 2001	7.25	7.53	7.21	7.53
995	NYSE	DRQ	Tue, Oct 9, 2001	7.30	7.38	7.00	7.30
994	NYSE	DRQ	Mon, Oct 8, 2001	7.48	7.48	7.13	7.30
993	NYSE	DRQ	Fri, Oct 5, 2001	7.65	7.65	7.26	7.43
992	NYSE	DRQ	Thu, Oct 4, 2001	7.55	8.05	7.55	7.65
991	NYSE	DRQ	Wed, Oct 3, 2001	7.83	8.25	6.93	7.60
990	NYSE	DRQ	Tue, Oct 2, 2001	7.96	7.96	7.82	7.93
989	NYSE	DRQ	Mon, Oct 1, 2001	7.75	7.96	7.50	7.95
988	NYSE	DRQ	Fri, Sep 28, 2001	7.12	7.75	7.12	7.75
987	NYSE	DRQ	Thu, Sep 27, 2001	6.98	7.13	6.98	7.13
986	NYSE	DRQ	Wed, Sep 26, 2001	7.00	7.00	6.70	7.00
985	NYSE	DRQ	Tue, Sep 25, 2001	6.98	7.00	6.75	6.99
984	NYSE	DRQ	Mon, Sep 24, 2001	7.14	7.18	6.86	6.93
983	NYSE	DRQ	Fri, Sep 21, 2001	6.80	7.15	6.73	7.14
982	NYSE	DRQ	Thu, Sep 20, 2001	7.10	7.13	6.98	6.98
981	NYSE	DRQ	Wed, Sep 19, 2001	7.52	7.63	7.00	7.11
980	NYSE	DRQ	Tue, Sep 18, 2001	8.15	8.23	7.40	7.50
979	NYSE	DRQ	Mon, Sep 17, 2001	8.73	8.88	8.18	8.20
978	NYSE	DRQ	Mon, Sep 10, 2001	8.65	8.65	8.60	8.60
977	NYSE	DRQ	Fri, Sep 7, 2001	8.63	8.78	8.60	8.66
976	NYSE	DRQ	Thu, Sep 6, 2001	8.65	8.70	8.55	8.65
975	NYSE	DRQ	Wed, Sep 5, 2001	8.79	8.79	8.58	8.70
974	NYSE	DRQ	Tue, Sep 4, 2001	8.60	8.80	8.60	8.79
973	NYSE	DRQ	Fri, Aug 31, 2001	8.41	8.83	8.41	8.60
972	NYSE	DRQ	Thu, Aug 30, 2001	8.75	8.75	8.30	8.40
971	NYSE	DRQ	Wed, Aug 29, 2001	9.13	9.13	8.50	8.73
970	NYSE	DRQ	Tue, Aug 28, 2001	9.35	9.35	9.12	9.13
969	NYSE	DRQ	Mon, Aug 27, 2001	9.41	9.43	9.34	9.34
968	NYSE	DRQ	Fri, Aug 24, 2001	9.43	9.46	9.40	9.40
967	NYSE	DRQ	Thu, Aug 23, 2001	9.64	9.68	9.38	9.38
966	NYSE	DRQ	Wed, Aug 22, 2001	9.73	10.02	9.63	9.64
965	NYSE	DRQ	Tue, Aug 21, 2001	9.63	9.75	9.60	9.66
964	NYSE	DRQ	Mon, Aug 20, 2001	9.95	9.98	9.63	9.63
963	NYSE	DRQ	Fri, Aug 17, 2001	9.75	10.13	9.63	9.90
962	NYSE	DRQ	Thu, Aug 16, 2001	9.50	9.85	9.47	9.67
961	NYSE	DRQ	Wed, Aug 15, 2001	7.88	9.05	7.88	9.05
960	NYSE	DRQ	Tue, Aug 14, 2001	8.00	8.00	7.65	7.84
959	NYSE	DRQ	Mon, Aug 13, 2001	8.11	8.11	7.85	8.00
958	NYSE	DRQ	Fri, Aug 10, 2001	8.00	8.13	8.00	8.11
957	NYSE	DRQ	Thu, Aug 9, 2001	8.13	8.13	7.70	8.00
956	NYSE	DRQ	Wed, Aug 8, 2001	8.50	8.50	7.99	8.13
955	NYSE	DRQ	Tue, Aug 7, 2001	8.66	8.78	8.18	8.45
954	NYSE	DRQ	Mon, Aug 6, 2001	8.80	8.85	8.65	8.66
953	NYSE	DRQ	Fri, Aug 3, 2001	9.08	9.08	8.81	8.85
952	NYSE	DRQ	Thu, Aug 2, 2001	9.05	9.13	8.93	9.13
951	NYSE	DRQ	Wed, Aug 1, 2001	9.09	9.23	9.05	9.07
950	NYSE	DRQ	Tue, Jul 31, 2001	9.50	9.50	9.07	9.09
949	NYSE	DRQ	Mon, Jul 30, 2001	9.43	9.50	9.35	9.50
948	NYSE	DRQ	Fri, Jul 27, 2001	9.72	9.72	9.14	9.40
947	NYSE	DRQ	Thu, Jul 26, 2001	9.63	9.72	9.45	9.72
946	NYSE	DRQ	Wed, Jul 25, 2001	9.76	9.76	9.22	9.50
945	NYSE	DRQ	Tue, Jul 24, 2001	9.99	9.99	9.75	9.75
944	NYSE	DRQ	Mon, Jul 23, 2001	10.00	10.20	9.73	9.99
943	NYSE	DRQ	Fri, Jul 20, 2001	9.13	9.78	9.13	9.78
942	NYSE	DRQ	Thu, Jul 19, 2001	8.65	9.06	8.44	9.06
941	NYSE	DRQ	Wed, Jul 18, 2001	9.50	9.55	8.54	8.60
940	NYSE	DRQ	Tue, Jul 17, 2001	9.50	9.65	9.35	9.56
939	NYSE	DRQ	Mon, Jul 16, 2001	9.90	10.03	9.35	9.49
938	NYSE	DRQ	Fri, Jul 13, 2001	9.75	10.07	9.75	10.00
937	NYSE	DRQ	Thu, Jul 12, 2001	9.90	10.05	9.65	9.80
936	NYSE	DRQ	Wed, Jul 11, 2001	10.00	10.00	9.50	9.85
935	NYSE	DRQ	Tue, Jul 10, 2001	10.18	10.28	9.88	10.00
934	NYSE	DRQ	Mon, Jul 9, 2001	9.88	10.23	9.85	10.05
933	NYSE	DRQ	Fri, Jul 6, 2001	10.28	10.28	9.95	10.05
932	NYSE	DRQ	Thu, Jul 5, 2001	10.33	10.50	10.23	10.28
931	NYSE	DRQ	Tue, Jul 3, 2001	10.45	10.63	10.37	10.38
930	NYSE	DRQ	Mon, Jul 2, 2001	10.75	10.75	10.45	10.45
929	NYSE	DRQ	Fri, Jun 29, 2001	10.22	10.92	10.18	10.77
928	NYSE	DRQ	Thu, Jun 28, 2001	11.05	11.05	9.93	10.10
927	NYSE	DRQ	Wed, Jun 27, 2001	11.54	11.54	11.13	11.21
926	NYSE	DRQ	Tue, Jun 26, 2001	11.83	11.83	11.54	11.54
925	NYSE	DRQ	Mon, Jun 25, 2001	12.07	12.25	11.40	11.78
924	NYSE	DRQ	Fri, Jun 22, 2001	12.38	12.39	12.00	12.04
923	NYSE	DRQ	Thu, Jun 21, 2001	13.16	13.16	12.32	12.40
922	NYSE	DRQ	Wed, Jun 20, 2001	12.93	13.40	12.93	13.07
921	NYSE	DRQ	Tue, Jun 19, 2001	13.25	13.31	12.90	12.99
920	NYSE	DRQ	Mon, Jun 18, 2001	13.85	13.87	13.40	13.40
919	NYSE	DRQ	Fri, Jun 15, 2001	14.08	14.25	13.84	13.84
918	NYSE	DRQ	Thu, Jun 14, 2001	14.57	14.57	13.62	14.07
917	NYSE	DRQ	Wed, Jun 13, 2001	14.86	15.13	14.25	14.57
916	NYSE	DRQ	Tue, Jun 12, 2001	14.30	14.90	14.30	14.86
915	NYSE	DRQ	Mon, Jun 11, 2001	15.36	15.50	14.35	14.40
914	NYSE	DRQ	Fri, Jun 8, 2001	15.54	15.54	15.25	15.36
913	NYSE	DRQ	Thu, Jun 7, 2001	15.80	15.81	15.22	15.25
912	NYSE	DRQ	Wed, Jun 6, 2001	16.00	16.01	15.58	15.83
911	NYSE	DRQ	Tue, Jun 5, 2001	16.33	16.33	15.60	16.28
910	NYSE	DRQ	Mon, Jun 4, 2001	16.15	16.50	16.15	16.30
909	NYSE	DRQ	Fri, Jun 1, 2001	15.80	16.15	15.70	16.15
908	NYSE	DRQ	Thu, May 31, 2001	15.52	15.80	15.20	15.75
907	NYSE	DRQ	Wed, May 30, 2001	16.55	16.56	15.07	15.52
906	NYSE	DRQ	Tue, May 29, 2001	16.81	16.82	16.38	16.59
905	NYSE	DRQ	Fri, May 25, 2001	16.43	16.95	16.43	16.81
904	NYSE	DRQ	Thu, May 24, 2001	16.65	16.65	16.05	16.30
903	NYSE	DRQ	Wed, May 23, 2001	17.31	17.31	16.67	16.68
902	NYSE	DRQ	Tue, May 22, 2001	17.25	17.43	17.05	17.31
901	NYSE	DRQ	Mon, May 21, 2001	16.77	17.23	16.35	17.13
900	NYSE	DRQ	Fri, May 18, 2001	16.50	16.79	16.43	16.77
899	NYSE	DRQ	Thu, May 17, 2001	16.11	16.42	16.11	16.40
898	NYSE	DRQ	Wed, May 16, 2001	16.25	16.25	16.10	16.10
897	NYSE	DRQ	Tue, May 15, 2001	15.73	16.27	15.73	16.25
896	NYSE	DRQ	Mon, May 14, 2001	15.15	15.73	15.15	15.73
895	NYSE	DRQ	Fri, May 11, 2001	15.63	15.63	14.96	15.15
894	NYSE	DRQ	Thu, May 10, 2001	15.90	15.90	15.63	15.63
893	NYSE	DRQ	Wed, May 9, 2001	15.86	15.97	15.85	15.85
892	NYSE	DRQ	Tue, May 8, 2001	15.96	16.07	15.85	15.85
891	NYSE	DRQ	Mon, May 7, 2001	15.94	16.06	15.88	16.01
890	NYSE	DRQ	Fri, May 4, 2001	15.49	15.95	15.49	15.84
889	NYSE	DRQ	Thu, May 3, 2001	15.50	15.66	15.25	15.49
888	NYSE	DRQ	Wed, May 2, 2001	15.50	15.60	15.20	15.50
887	NYSE	DRQ	Tue, May 1, 2001	16.25	16.30	15.70	15.78
886	NYSE	DRQ	Mon, Apr 30, 2001	15.66	16.85	15.66	16.30
885	NYSE	DRQ	Fri, Apr 27, 2001	15.14	15.84	15.10	15.66
884	NYSE	DRQ	Thu, Apr 26, 2001	13.43	15.25	13.43	15.14
883	NYSE	DRQ	Wed, Apr 25, 2001	13.43	13.50	13.35	13.47
882	NYSE	DRQ	Tue, Apr 24, 2001	13.63	13.90	13.44	13.48
881	NYSE	DRQ	Mon, Apr 23, 2001	12.26	13.30	12.26	13.30
880	NYSE	DRQ	Fri, Apr 20, 2001	12.34	12.40	12.22	12.30
879	NYSE	DRQ	Thu, Apr 19, 2001	12.65	12.65	12.21	12.38
878	NYSE	DRQ	Wed, Apr 18, 2001	13.08	13.08	12.63	12.70
877	NYSE	DRQ	Tue, Apr 17, 2001	12.50	13.15	12.33	13.08
876	NYSE	DRQ	Mon, Apr 16, 2001	12.53	12.63	12.43	12.53
875	NYSE	DRQ	Thu, Apr 12, 2001	12.23	12.69	12.23	12.59
874	NYSE	DRQ	Wed, Apr 11, 2001	12.38	12.38	12.13	12.26
873	NYSE	DRQ	Tue, Apr 10, 2001	12.08	12.43	12.00	12.40
872	NYSE	DRQ	Mon, Apr 9, 2001	11.70	12.18	11.70	11.95
871	NYSE	DRQ	Fri, Apr 6, 2001	11.70	12.12	11.60	11.73
870	NYSE	DRQ	Thu, Apr 5, 2001	11.22	11.92	11.22	11.90
869	NYSE	DRQ	Wed, Apr 4, 2001	10.73	11.37	10.73	11.27
868	NYSE	DRQ	Tue, Apr 3, 2001	11.28	11.34	10.55	10.68
867	NYSE	DRQ	Mon, Apr 2, 2001	12.03	12.03	11.26	11.39
866	NYSE	DRQ	Fri, Mar 30, 2001	11.78	12.11	11.78	12.00
865	NYSE	DRQ	Thu, Mar 29, 2001	12.41	12.41	11.73	11.73
864	NYSE	DRQ	Wed, Mar 28, 2001	12.89	12.89	12.40	12.41
863	NYSE	DRQ	Tue, Mar 27, 2001	12.98	13.05	12.80	12.89
862	NYSE	DRQ	Mon, Mar 26, 2001	13.15	13.34	12.97	12.97
861	NYSE	DRQ	Fri, Mar 23, 2001	13.13	13.32	13.05	13.11
860	NYSE	DRQ	Thu, Mar 22, 2001	14.03	14.03	13.15	13.25
859	NYSE	DRQ	Wed, Mar 21, 2001	14.58	14.58	13.98	13.99
858	NYSE	DRQ	Tue, Mar 20, 2001	14.20	14.88	14.18	14.57
857	NYSE	DRQ	Mon, Mar 19, 2001	14.50	14.50	14.00	14.16
856	NYSE	DRQ	Fri, Mar 16, 2001	14.75	14.77	14.53	14.55
855	NYSE	DRQ	Thu, Mar 15, 2001	14.33	14.82	14.05	14.60
854	NYSE	DRQ	Wed, Mar 14, 2001	14.80	14.96	14.23	14.25
853	NYSE	DRQ	Tue, Mar 13, 2001	15.00	15.00	14.61	14.78
852	NYSE	DRQ	Mon, Mar 12, 2001	15.60	15.60	15.05	15.05
851	NYSE	DRQ	Fri, Mar 9, 2001	15.53	15.80	15.53	15.60
850	NYSE	DRQ	Thu, Mar 8, 2001	15.83	16.00	15.60	15.60
849	NYSE	DRQ	Wed, Mar 7, 2001	15.68	16.10	15.68	15.80
848	NYSE	DRQ	Tue, Mar 6, 2001	15.26	15.71	15.13	15.63
847	NYSE	DRQ	Mon, Mar 5, 2001	15.08	15.45	15.08	15.25
846	NYSE	DRQ	Fri, Mar 2, 2001	14.00	15.05	14.00	15.05
845	NYSE	DRQ	Thu, Mar 1, 2001	14.00	14.18	13.79	13.96
844	NYSE	DRQ	Wed, Feb 28, 2001	13.83	14.00	13.81	13.98
843	NYSE	DRQ	Tue, Feb 27, 2001	13.93	13.98	13.73	13.88
842	NYSE	DRQ	Mon, Feb 26, 2001	13.85	14.01	13.70	13.95
841	NYSE	DRQ	Fri, Feb 23, 2001	13.38	13.80	13.38	13.78
840	NYSE	DRQ	Thu, Feb 22, 2001	14.40	14.41	13.93	13.96
839	NYSE	DRQ	Wed, Feb 21, 2001	14.73	14.94	14.32	14.33
838	NYSE	DRQ	Tue, Feb 20, 2001	14.80	15.00	14.60	14.60
837	NYSE	DRQ	Fri, Feb 16, 2001	14.65	15.11	14.65	14.75
836	NYSE	DRQ	Thu, Feb 15, 2001	15.05	15.11	14.67	14.70
835	NYSE	DRQ	Wed, Feb 14, 2001	15.05	15.14	15.01	15.03
834	NYSE	DRQ	Tue, Feb 13, 2001	14.95	15.47	14.95	15.00
833	NYSE	DRQ	Mon, Feb 12, 2001	15.28	15.28	14.89	14.91
832	NYSE	DRQ	Fri, Feb 9, 2001	15.35	15.53	15.23	15.23
831	NYSE	DRQ	Thu, Feb 8, 2001	15.05	15.33	14.98	15.25
830	NYSE	DRQ	Wed, Feb 7, 2001	14.90	15.10	14.76	14.98
829	NYSE	DRQ	Tue, Feb 6, 2001	14.35	14.95	14.35	14.85
828	NYSE	DRQ	Mon, Feb 5, 2001	13.95	14.35	13.95	14.35
827	NYSE	DRQ	Fri, Feb 2, 2001	13.50	14.00	13.50	13.83
826	NYSE	DRQ	Thu, Feb 1, 2001	13.35	13.53	13.03	13.50
825	NYSE	DRQ	Wed, Jan 31, 2001	13.50	13.80	13.32	13.32
824	NYSE	DRQ	Tue, Jan 30, 2001	13.63	13.63	13.50	13.50
823	NYSE	DRQ	Mon, Jan 29, 2001	13.81	13.87	13.66	13.66
822	NYSE	DRQ	Fri, Jan 26, 2001	13.88	14.22	13.63	13.81
821	NYSE	DRQ	Thu, Jan 25, 2001	13.66	13.81	13.16	13.75
820	NYSE	DRQ	Wed, Jan 24, 2001	13.69	13.91	13.50	13.63
819	NYSE	DRQ	Tue, Jan 23, 2001	13.56	13.69	13.50	13.69
818	NYSE	DRQ	Mon, Jan 22, 2001	13.69	13.69	13.44	13.47
817	NYSE	DRQ	Fri, Jan 19, 2001	13.72	13.81	13.63	13.69
816	NYSE	DRQ	Thu, Jan 18, 2001	14.22	14.25	13.63	13.72
815	NYSE	DRQ	Wed, Jan 17, 2001	14.38	14.38	14.06	14.19
814	NYSE	DRQ	Tue, Jan 16, 2001	14.66	14.66	14.03	14.31
813	NYSE	DRQ	Fri, Jan 12, 2001	15.00	15.00	14.56	14.66
812	NYSE	DRQ	Thu, Jan 11, 2001	14.97	15.00	14.78	14.94
811	NYSE	DRQ	Wed, Jan 10, 2001	14.66	15.00	14.66	14.97
810	NYSE	DRQ	Tue, Jan 9, 2001	15.00	15.13	14.69	14.78
809	NYSE	DRQ	Mon, Jan 8, 2001	15.13	15.13	14.88	15.00
808	NYSE	DRQ	Fri, Jan 5, 2001	14.66	15.06	14.66	15.00
807	NYSE	DRQ	Thu, Jan 4, 2001	16.00	16.00	14.63	14.66
806	NYSE	DRQ	Wed, Jan 3, 2001	16.84	16.84	15.63	16.09
805	NYSE	DRQ	Tue, Jan 2, 2001	17.13	17.16	16.94	16.97
804	NYSE	DRQ	Fri, Dec 29, 2000	17.22	17.69	17.00	17.09
803	NYSE	DRQ	Thu, Dec 28, 2000	16.03	17.16	16.03	17.13
802	NYSE	DRQ	Wed, Dec 27, 2000	16.38	16.38	15.84	16.00
801	NYSE	DRQ	Tue, Dec 26, 2000	15.81	16.56	15.81	16.38
800	NYSE	DRQ	Fri, Dec 22, 2000	15.47	15.81	15.47	15.81
799	NYSE	DRQ	Thu, Dec 21, 2000	15.63	15.69	15.13	15.59
798	NYSE	DRQ	Wed, Dec 20, 2000	15.00	15.69	14.80	15.59
797	NYSE	DRQ	Tue, Dec 19, 2000	14.50	15.06	14.47	15.00
796	NYSE	DRQ	Mon, Dec 18, 2000	13.50	14.59	13.50	14.50
795	NYSE	DRQ	Fri, Dec 15, 2000	12.69	13.25	12.59	13.22
794	NYSE	DRQ	Thu, Dec 14, 2000	12.81	12.88	12.25	12.56
793	NYSE	DRQ	Wed, Dec 13, 2000	13.06	13.06	12.69	12.81
792	NYSE	DRQ	Tue, Dec 12, 2000	12.84	13.19	12.75	13.00
791	NYSE	DRQ	Mon, Dec 11, 2000	12.44	13.06	12.28	12.97
790	NYSE	DRQ	Fri, Dec 8, 2000	12.50	12.81	12.38	12.38
789	NYSE	DRQ	Thu, Dec 7, 2000	12.00	12.53	11.88	12.50
788	NYSE	DRQ	Wed, Dec 6, 2000	11.00	11.59	11.00	11.06
787	NYSE	DRQ	Tue, Dec 5, 2000	10.56	11.22	10.56	11.00
786	NYSE	DRQ	Mon, Dec 4, 2000	10.44	10.47	9.50	10.47
785	NYSE	DRQ	Fri, Dec 1, 2000	11.44	11.47	10.38	10.41
784	NYSE	DRQ	Thu, Nov 30, 2000	12.19	12.19	11.47	11.47
783	NYSE	DRQ	Wed, Nov 29, 2000	13.06	13.06	12.25	12.28
782	NYSE	DRQ	Tue, Nov 28, 2000	13.25	13.28	12.94	13.03
781	NYSE	DRQ	Mon, Nov 27, 2000	13.81	13.81	13.28	13.31
780	NYSE	DRQ	Fri, Nov 24, 2000	13.47	13.84	13.41	13.78
779	NYSE	DRQ	Wed, Nov 22, 2000	13.72	13.72	12.84	13.34
778	NYSE	DRQ	Tue, Nov 21, 2000	13.75	13.81	13.53	13.78
777	NYSE	DRQ	Mon, Nov 20, 2000	14.03	14.03	13.81	13.81
776	NYSE	DRQ	Fri, Nov 17, 2000	14.19	14.31	14.00	14.03
775	NYSE	DRQ	Thu, Nov 16, 2000	14.19	14.22	13.94	14.13
774	NYSE	DRQ	Wed, Nov 15, 2000	14.25	14.41	14.13	14.19
773	NYSE	DRQ	Tue, Nov 14, 2000	13.84	14.31	13.84	14.13
772	NYSE	DRQ	Mon, Nov 13, 2000	14.13	14.25	13.81	13.88
771	NYSE	DRQ	Fri, Nov 10, 2000	14.41	14.59	14.19	14.19
770	NYSE	DRQ	Thu, Nov 9, 2000	15.13	15.13	14.38	14.41
769	NYSE	DRQ	Wed, Nov 8, 2000	15.09	15.22	15.00	15.00
768	NYSE	DRQ	Tue, Nov 7, 2000	14.53	15.25	14.53	15.03
767	NYSE	DRQ	Mon, Nov 6, 2000	14.84	14.84	13.38	14.41
766	NYSE	DRQ	Fri, Nov 3, 2000	16.00	16.00	14.38	14.88
765	NYSE	DRQ	Thu, Nov 2, 2000	16.59	16.59	15.88	16.00
764	NYSE	DRQ	Wed, Nov 1, 2000	16.63	16.88	16.28	16.69
763	NYSE	DRQ	Tue, Oct 31, 2000	15.81	16.50	15.81	16.50
762	NYSE	DRQ	Mon, Oct 30, 2000	15.94	16.31	15.44	15.81
761	NYSE	DRQ	Fri, Oct 27, 2000	18.16	18.16	15.38	16.06
760	NYSE	DRQ	Thu, Oct 26, 2000	18.66	18.72	18.63	18.72
759	NYSE	DRQ	Wed, Oct 25, 2000	19.53	19.53	18.63	18.72
758	NYSE	DRQ	Tue, Oct 24, 2000	19.50	19.63	19.47	19.53
757	NYSE	DRQ	Mon, Oct 23, 2000	20.28	20.28	19.31	19.34
756	NYSE	DRQ	Fri, Oct 20, 2000	19.56	20.88	19.56	20.34
755	NYSE	DRQ	Thu, Oct 19, 2000	19.19	19.50	19.19	19.50
754	NYSE	DRQ	Wed, Oct 18, 2000	19.44	19.44	19.13	19.22
753	NYSE	DRQ	Tue, Oct 17, 2000	19.38	19.69	19.31	19.31
752	NYSE	DRQ	Mon, Oct 16, 2000	19.56	19.63	19.34	19.38
751	NYSE	DRQ	Fri, Oct 13, 2000	19.66	19.81	19.44	19.69
750	NYSE	DRQ	Thu, Oct 12, 2000	19.69	19.94	19.13	19.63
749	NYSE	DRQ	Wed, Oct 11, 2000	19.69	19.81	19.50	19.63
748	NYSE	DRQ	Tue, Oct 10, 2000	19.44	19.88	19.28	19.34
747	NYSE	DRQ	Mon, Oct 9, 2000	19.41	19.53	19.06	19.19
746	NYSE	DRQ	Fri, Oct 6, 2000	19.19	19.28	19.19	19.28
745	NYSE	DRQ	Thu, Oct 5, 2000	19.78	19.81	19.13	19.22
744	NYSE	DRQ	Wed, Oct 4, 2000	20.13	20.13	19.63	19.78
743	NYSE	DRQ	Tue, Oct 3, 2000	20.19	20.25	20.06	20.13
742	NYSE	DRQ	Mon, Oct 2, 2000	20.00	20.50	19.88	20.25
741	NYSE	DRQ	Fri, Sep 29, 2000	19.91	20.25	19.84	19.94
740	NYSE	DRQ	Thu, Sep 28, 2000	19.22	19.91	19.03	19.81
739	NYSE	DRQ	Wed, Sep 27, 2000	19.00	19.53	19.00	19.19
738	NYSE	DRQ	Tue, Sep 26, 2000	18.84	19.00	18.84	18.97
737	NYSE	DRQ	Mon, Sep 25, 2000	19.47	19.47	18.00	18.78
736	NYSE	DRQ	Fri, Sep 22, 2000	19.69	19.84	19.56	19.56
735	NYSE	DRQ	Thu, Sep 21, 2000	20.56	20.56	19.78	19.78
734	NYSE	DRQ	Wed, Sep 20, 2000	20.84	20.97	20.50	20.59
733	NYSE	DRQ	Tue, Sep 19, 2000	21.50	21.50	20.69	20.78
732	NYSE	DRQ	Mon, Sep 18, 2000	22.50	22.50	21.63	21.63
731	NYSE	DRQ	Fri, Sep 15, 2000	22.41	22.81	22.41	22.41
730	NYSE	DRQ	Thu, Sep 14, 2000	22.56	22.63	22.38	22.41
729	NYSE	DRQ	Wed, Sep 13, 2000	22.91	22.91	22.25	22.63
728	NYSE	DRQ	Tue, Sep 12, 2000	23.00	23.13	22.50	22.84
727	NYSE	DRQ	Mon, Sep 11, 2000	22.63	23.16	22.63	23.03
726	NYSE	DRQ	Fri, Sep 8, 2000	22.69	23.00	22.56	22.56
725	NYSE	DRQ	Thu, Sep 7, 2000	22.75	22.75	22.16	22.66
724	NYSE	DRQ	Wed, Sep 6, 2000	23.00	23.00	22.63	22.72
723	NYSE	DRQ	Tue, Sep 5, 2000	22.72	23.09	22.63	23.09
722	NYSE	DRQ	Fri, Sep 1, 2000	22.78	22.78	22.66	22.69
721	NYSE	DRQ	Thu, Aug 31, 2000	22.88	22.94	22.69	22.72
720	NYSE	DRQ	Wed, Aug 30, 2000	23.22	23.22	22.75	22.81
719	NYSE	DRQ	Tue, Aug 29, 2000	23.34	23.81	23.19	23.25
718	NYSE	DRQ	Mon, Aug 28, 2000	22.88	23.63	22.78	23.31
717	NYSE	DRQ	Fri, Aug 25, 2000	23.09	23.19	22.66	22.81
716	NYSE	DRQ	Thu, Aug 24, 2000	23.28	23.28	23.06	23.09
715	NYSE	DRQ	Wed, Aug 23, 2000	22.75	24.00	22.75	23.38
714	NYSE	DRQ	Tue, Aug 22, 2000	22.41	22.59	22.41	22.56
713	NYSE	DRQ	Mon, Aug 21, 2000	22.47	22.47	22.22	22.38
712	NYSE	DRQ	Fri, Aug 18, 2000	23.13	23.13	22.19	22.53
711	NYSE	DRQ	Thu, Aug 17, 2000	22.06	22.91	22.06	22.91
710	NYSE	DRQ	Wed, Aug 16, 2000	22.03	22.13	21.66	22.13
709	NYSE	DRQ	Tue, Aug 15, 2000	22.13	22.25	21.81	22.16
708	NYSE	DRQ	Mon, Aug 14, 2000	20.78	21.88	20.78	21.88
707	NYSE	DRQ	Fri, Aug 11, 2000	20.94	21.00	20.78	20.78
706	NYSE	DRQ	Thu, Aug 10, 2000	21.00	21.09	20.59	20.94
705	NYSE	DRQ	Wed, Aug 9, 2000	21.13	21.31	21.00	21.13
704	NYSE	DRQ	Tue, Aug 8, 2000	20.44	21.06	20.44	20.91
703	NYSE	DRQ	Mon, Aug 7, 2000	20.50	20.50	20.31	20.38
702	NYSE	DRQ	Fri, Aug 4, 2000	20.38	20.50	19.81	20.50
701	NYSE	DRQ	Thu, Aug 3, 2000	20.75	20.75	20.38	20.41
700	NYSE	DRQ	Wed, Aug 2, 2000	20.41	20.88	20.41	20.88
699	NYSE	DRQ	Tue, Aug 1, 2000	19.97	20.41	19.97	20.16
698	NYSE	DRQ	Mon, Jul 31, 2000	20.31	20.31	19.38	19.97
697	NYSE	DRQ	Fri, Jul 28, 2000	20.81	20.81	20.25	20.25
696	NYSE	DRQ	Thu, Jul 27, 2000	20.69	21.50	20.69	20.91
695	NYSE	DRQ	Wed, Jul 26, 2000	20.56	20.56	20.25	20.50
694	NYSE	DRQ	Tue, Jul 25, 2000	21.28	21.28	20.38	20.50
693	NYSE	DRQ	Mon, Jul 24, 2000	21.88	21.97	21.34	21.34
692	NYSE	DRQ	Fri, Jul 21, 2000	22.13	22.19	21.88	21.88
691	NYSE	DRQ	Thu, Jul 20, 2000	21.84	22.31	21.63	22.31
690	NYSE	DRQ	Wed, Jul 19, 2000	23.34	23.34	21.75	21.75
689	NYSE	DRQ	Tue, Jul 18, 2000	23.22	23.47	23.22	23.34
688	NYSE	DRQ	Mon, Jul 17, 2000	23.34	23.47	23.16	23.16
687	NYSE	DRQ	Fri, Jul 14, 2000	23.44	23.47	23.41	23.41
686	NYSE	DRQ	Thu, Jul 13, 2000	23.50	23.50	23.16	23.41
685	NYSE	DRQ	Wed, Jul 12, 2000	23.34	23.50	23.31	23.47
684	NYSE	DRQ	Tue, Jul 11, 2000	22.75	23.88	22.75	23.34
683	NYSE	DRQ	Mon, Jul 10, 2000	22.44	22.81	22.44	22.78
682	NYSE	DRQ	Fri, Jul 7, 2000	22.56	22.56	22.31	22.34
681	NYSE	DRQ	Thu, Jul 6, 2000	23.13	23.13	22.50	22.56
680	NYSE	DRQ	Wed, Jul 5, 2000	23.63	23.63	23.06	23.13
679	NYSE	DRQ	Mon, Jul 3, 2000	23.38	23.63	23.06	23.63
678	NYSE	DRQ	Fri, Jun 30, 2000	23.94	23.94	22.88	23.38
677	NYSE	DRQ	Thu, Jun 29, 2000	23.56	24.06	23.25	23.88
676	NYSE	DRQ	Wed, Jun 28, 2000	23.47	24.63	23.47	23.75
675	NYSE	DRQ	Tue, Jun 27, 2000	22.63	23.44	22.38	23.44
674	NYSE	DRQ	Mon, Jun 26, 2000	22.53	22.88	22.41	22.59
673	NYSE	DRQ	Fri, Jun 23, 2000	22.06	22.56	21.63	22.50
672	NYSE	DRQ	Thu, Jun 22, 2000	22.78	23.25	22.13	22.13
671	NYSE	DRQ	Wed, Jun 21, 2000	22.03	23.13	22.03	22.91
670	NYSE	DRQ	Tue, Jun 20, 2000	22.44	22.44	21.81	22.03
669	NYSE	DRQ	Mon, Jun 19, 2000	23.00	23.03	22.06	22.44
668	NYSE	DRQ	Fri, Jun 16, 2000	23.16	23.38	22.81	23.00
667	NYSE	DRQ	Thu, Jun 15, 2000	23.81	24.25	23.00	23.16
666	NYSE	DRQ	Wed, Jun 14, 2000	23.34	23.97	23.31	23.81
665	NYSE	DRQ	Tue, Jun 13, 2000	22.50	23.88	22.50	23.34
664	NYSE	DRQ	Mon, Jun 12, 2000	20.97	22.31	20.97	22.25
663	NYSE	DRQ	Fri, Jun 9, 2000	20.91	21.13	20.84	20.97
662	NYSE	DRQ	Thu, Jun 8, 2000	20.97	21.03	20.31	20.97
661	NYSE	DRQ	Wed, Jun 7, 2000	21.00	21.00	20.88	20.97
660	NYSE	DRQ	Tue, Jun 6, 2000	20.94	21.19	20.56	21.00
659	NYSE	DRQ	Mon, Jun 5, 2000	21.28	21.34	20.88	20.88
658	NYSE	DRQ	Fri, Jun 2, 2000	21.97	21.97	20.97	21.28
657	NYSE	DRQ	Thu, Jun 1, 2000	21.59	21.97	21.59	21.97
656	NYSE	DRQ	Wed, May 31, 2000	21.69	21.97	21.00	21.56
655	NYSE	DRQ	Tue, May 30, 2000	22.06	22.09	21.63	21.81
654	NYSE	DRQ	Fri, May 26, 2000	22.34	22.34	22.00	22.06
653	NYSE	DRQ	Thu, May 25, 2000	23.06	23.22	22.09	22.31
652	NYSE	DRQ	Wed, May 24, 2000	23.06	24.00	23.00	23.19
651	NYSE	DRQ	Tue, May 23, 2000	22.75	23.50	22.75	23.00
650	NYSE	DRQ	Mon, May 22, 2000	22.56	22.84	22.44	22.75
649	NYSE	DRQ	Fri, May 19, 2000	23.03	23.03	22.28	22.56
648	NYSE	DRQ	Thu, May 18, 2000	23.81	23.81	22.88	23.00
647	NYSE	DRQ	Wed, May 17, 2000	24.31	24.31	23.50	23.81
646	NYSE	DRQ	Tue, May 16, 2000	23.56	24.41	23.56	24.41
645	NYSE	DRQ	Mon, May 15, 2000	23.38	23.69	23.34	23.63
644	NYSE	DRQ	Fri, May 12, 2000	22.94	23.50	22.94	23.44
643	NYSE	DRQ	Thu, May 11, 2000	22.31	23.00	22.31	22.94
642	NYSE	DRQ	Wed, May 10, 2000	22.39	22.39	22.28	22.31
641	NYSE	DRQ	Tue, May 9, 2000	22.50	22.66	22.31	22.47
640	NYSE	DRQ	Mon, May 8, 2000	21.28	22.31	21.28	22.22
639	NYSE	DRQ	Fri, May 5, 2000	21.19	21.41	20.88	21.41
638	NYSE	DRQ	Thu, May 4, 2000	19.81	21.00	19.78	20.69
637	NYSE	DRQ	Wed, May 3, 2000	20.56	20.56	19.44	19.75
636	NYSE	DRQ	Tue, May 2, 2000	20.44	20.97	20.44	20.66
635	NYSE	DRQ	Mon, May 1, 2000	20.31	20.44	20.25	20.44
634	NYSE	DRQ	Fri, Apr 28, 2000	20.50	20.69	19.78	20.31
633	NYSE	DRQ	Thu, Apr 27, 2000	20.44	20.75	20.13	20.38
632	NYSE	DRQ	Wed, Apr 26, 2000	19.38	20.50	19.38	20.50
631	NYSE	DRQ	Tue, Apr 25, 2000	18.69	19.41	18.63	19.41
630	NYSE	DRQ	Mon, Apr 24, 2000	18.38	18.69	18.31	18.69
629	NYSE	DRQ	Thu, Apr 20, 2000	18.81	18.81	18.38	18.50
628	NYSE	DRQ	Wed, Apr 19, 2000	19.69	19.69	18.66	18.75
627	NYSE	DRQ	Tue, Apr 18, 2000	19.19	19.81	18.94	19.75
626	NYSE	DRQ	Mon, Apr 17, 2000	20.94	20.94	18.13	19.16
625	NYSE	DRQ	Fri, Apr 14, 2000	21.88	21.88	20.91	20.94
624	NYSE	DRQ	Thu, Apr 13, 2000	22.69	22.69	21.34	21.88
623	NYSE	DRQ	Wed, Apr 12, 2000	22.81	22.91	22.44	22.81
622	NYSE	DRQ	Tue, Apr 11, 2000	23.22	23.22	22.63	22.75
621	NYSE	DRQ	Mon, Apr 10, 2000	23.25	23.38	22.94	23.28
620	NYSE	DRQ	Fri, Apr 7, 2000	23.31	23.50	23.28	23.38
619	NYSE	DRQ	Thu, Apr 6, 2000	23.13	23.42	23.03	23.34
618	NYSE	DRQ	Wed, Apr 5, 2000	22.38	23.00	21.88	23.00
617	NYSE	DRQ	Tue, Apr 4, 2000	23.13	23.22	22.13	22.75
616	NYSE	DRQ	Mon, Apr 3, 2000	23.44	23.44	22.75	23.19
615	NYSE	DRQ	Fri, Mar 31, 2000	24.13	24.56	23.56	23.56
614	NYSE	DRQ	Thu, Mar 30, 2000	23.13	24.44	23.13	23.88
613	NYSE	DRQ	Wed, Mar 29, 2000	22.38	23.50	22.38	23.13
612	NYSE	DRQ	Tue, Mar 28, 2000	21.41	22.06	21.28	22.03
611	NYSE	DRQ	Mon, Mar 27, 2000	20.19	21.50	20.19	21.44
610	NYSE	DRQ	Fri, Mar 24, 2000	20.31	20.59	20.19	20.19
609	NYSE	DRQ	Thu, Mar 23, 2000	20.53	20.56	20.25	20.25
608	NYSE	DRQ	Wed, Mar 22, 2000	20.13	20.69	19.94	20.53
607	NYSE	DRQ	Tue, Mar 21, 2000	20.00	20.56	20.00	20.13
606	NYSE	DRQ	Mon, Mar 20, 2000	19.94	20.00	19.88	20.00
605	NYSE	DRQ	Fri, Mar 17, 2000	19.88	20.06	19.88	20.00
604	NYSE	DRQ	Thu, Mar 16, 2000	19.19	19.94	18.81	19.94
603	NYSE	DRQ	Wed, Mar 15, 2000	19.44	19.47	19.25	19.28
602	NYSE	DRQ	Tue, Mar 14, 2000	19.69	19.69	18.84	19.59
601	NYSE	DRQ	Mon, Mar 13, 2000	19.78	20.00	19.59	19.69
600	NYSE	DRQ	Fri, Mar 10, 2000	19.88	20.38	19.84	19.84
599	NYSE	DRQ	Thu, Mar 9, 2000	19.31	19.50	18.97	19.44
598	NYSE	DRQ	Wed, Mar 8, 2000	19.25	19.53	19.13	19.38
597	NYSE	DRQ	Tue, Mar 7, 2000	18.59	19.78	18.59	19.50
596	NYSE	DRQ	Mon, Mar 6, 2000	18.03	19.00	18.03	18.63
595	NYSE	DRQ	Fri, Mar 3, 2000	17.75	18.25	17.50	18.06
594	NYSE	DRQ	Thu, Mar 2, 2000	16.81	18.00	16.81	17.56
593	NYSE	DRQ	Wed, Mar 1, 2000	17.00	17.00	16.69	16.69
592	NYSE	DRQ	Tue, Feb 29, 2000	16.25	16.97	16.25	16.97
591	NYSE	DRQ	Mon, Feb 28, 2000	16.31	16.31	15.75	16.31
590	NYSE	DRQ	Fri, Feb 25, 2000	16.75	16.78	16.25	16.31
589	NYSE	DRQ	Thu, Feb 24, 2000	17.13	17.13	16.78	16.78
588	NYSE	DRQ	Wed, Feb 23, 2000	17.19	17.28	16.88	17.25
587	NYSE	DRQ	Tue, Feb 22, 2000	17.22	17.25	16.88	17.25
586	NYSE	DRQ	Fri, Feb 18, 2000	17.09	17.50	17.09	17.28
585	NYSE	DRQ	Thu, Feb 17, 2000	16.91	17.47	16.78	17.22
584	NYSE	DRQ	Wed, Feb 16, 2000	17.50	17.69	16.97	17.16
583	NYSE	DRQ	Tue, Feb 15, 2000	14.59	17.88	14.59	17.31
582	NYSE	DRQ	Mon, Feb 14, 2000	14.69	15.06	14.50	14.72
581	NYSE	DRQ	Fri, Feb 11, 2000	15.41	15.50	14.56	14.63
580	NYSE	DRQ	Thu, Feb 10, 2000	15.69	15.69	15.22	15.41
579	NYSE	DRQ	Wed, Feb 9, 2000	15.81	15.91	15.56	15.75
578	NYSE	DRQ	Tue, Feb 8, 2000	16.13	16.13	15.75	15.84
577	NYSE	DRQ	Mon, Feb 7, 2000	16.06	16.25	15.94	16.13
576	NYSE	DRQ	Fri, Feb 4, 2000	16.06	16.19	16.00	16.00
575	NYSE	DRQ	Thu, Feb 3, 2000	15.75	16.00	15.75	16.00
574	NYSE	DRQ	Wed, Feb 2, 2000	15.81	16.19	15.75	15.81
573	NYSE	DRQ	Tue, Feb 1, 2000	15.75	15.75	15.69	15.69
572	NYSE	DRQ	Mon, Jan 31, 2000	15.44	15.84	15.19	15.78
571	NYSE	DRQ	Fri, Jan 28, 2000	16.25	16.38	14.94	15.50
570	NYSE	DRQ	Thu, Jan 27, 2000	16.31	16.50	16.25	16.28
569	NYSE	DRQ	Wed, Jan 26, 2000	15.94	16.72	15.81	16.38
568	NYSE	DRQ	Tue, Jan 25, 2000	16.50	17.00	16.31	16.31
567	NYSE	DRQ	Mon, Jan 24, 2000	16.50	16.81	16.50	16.50
566	NYSE	DRQ	Fri, Jan 21, 2000	15.59	16.59	15.59	16.56
565	NYSE	DRQ	Thu, Jan 20, 2000	15.81	15.97	15.25	15.59
564	NYSE	DRQ	Wed, Jan 19, 2000	15.81	16.00	15.69	15.81
563	NYSE	DRQ	Tue, Jan 18, 2000	15.19	15.94	15.19	15.91
562	NYSE	DRQ	Fri, Jan 14, 2000	14.94	15.03	14.94	14.94
561	NYSE	DRQ	Thu, Jan 13, 2000	14.94	15.25	14.88	14.97
560	NYSE	DRQ	Wed, Jan 12, 2000	15.13	15.25	14.88	14.88
559	NYSE	DRQ	Tue, Jan 11, 2000	14.50	15.56	14.50	15.19
558	NYSE	DRQ	Mon, Jan 10, 2000	14.63	14.63	14.44	14.50
557	NYSE	DRQ	Fri, Jan 7, 2000	14.56	15.00	14.50	14.69
556	NYSE	DRQ	Thu, Jan 6, 2000	14.88	14.88	14.38	14.50
555	NYSE	DRQ	Wed, Jan 5, 2000	15.03	15.03	14.72	14.84
554	NYSE	DRQ	Tue, Jan 4, 2000	15.00	15.13	14.94	15.00
553	NYSE	DRQ	Mon, Jan 3, 2000	15.31	15.31	14.81	15.13
552	NYSE	DRQ	Fri, Dec 31, 1999	14.94	15.31	14.94	15.19
551	NYSE	DRQ	Thu, Dec 30, 1999	15.00	15.13	14.94	14.94
550	NYSE	DRQ	Wed, Dec 29, 1999	15.28	15.28	14.94	15.13
549	NYSE	DRQ	Tue, Dec 28, 1999	14.75	15.44	14.50	15.05
548	NYSE	DRQ	Mon, Dec 27, 1999	14.69	14.97	14.56	14.81
547	NYSE	DRQ	Thu, Dec 23, 1999	13.66	14.56	13.59	14.50
546	NYSE	DRQ	Wed, Dec 22, 1999	13.47	13.81	13.31	13.59
545	NYSE	DRQ	Tue, Dec 21, 1999	13.19	13.69	13.13	13.50
544	NYSE	DRQ	Mon, Dec 20, 1999	13.34	13.34	13.09	13.19
543	NYSE	DRQ	Fri, Dec 17, 1999	13.50	13.50	13.25	13.31
542	NYSE	DRQ	Thu, Dec 16, 1999	12.88	13.75	12.88	13.75
541	NYSE	DRQ	Wed, Dec 15, 1999	13.00	13.00	12.69	12.88
540	NYSE	DRQ	Tue, Dec 14, 1999	13.00	13.00	12.75	13.00
539	NYSE	DRQ	Mon, Dec 13, 1999	12.94	13.19	12.81	13.00
538	NYSE	DRQ	Fri, Dec 10, 1999	12.38	12.94	12.06	12.94
537	NYSE	DRQ	Thu, Dec 9, 1999	13.06	13.06	12.50	12.50
536	NYSE	DRQ	Wed, Dec 8, 1999	12.31	13.06	12.19	13.06
535	NYSE	DRQ	Tue, Dec 7, 1999	12.69	12.75	12.38	12.38
534	NYSE	DRQ	Mon, Dec 6, 1999	13.00	13.00	12.66	12.69
533	NYSE	DRQ	Fri, Dec 3, 1999	13.38	13.38	12.91	12.91
532	NYSE	DRQ	Thu, Dec 2, 1999	13.25	13.97	13.06	13.44
531	NYSE	DRQ	Wed, Dec 1, 1999	12.25	13.44	12.25	13.25
530	NYSE	DRQ	Tue, Nov 30, 1999	12.78	12.81	12.31	12.31
529	NYSE	DRQ	Mon, Nov 29, 1999	12.94	12.94	12.66	12.84
528	NYSE	DRQ	Fri, Nov 26, 1999	12.81	12.94	12.81	12.88
527	NYSE	DRQ	Wed, Nov 24, 1999	12.38	12.94	12.31	12.88
526	NYSE	DRQ	Tue, Nov 23, 1999	13.63	13.63	12.34	12.44
525	NYSE	DRQ	Mon, Nov 22, 1999	13.50	14.19	13.50	13.75
524	NYSE	DRQ	Fri, Nov 19, 1999	14.16	14.38	13.97	13.97
523	NYSE	DRQ	Thu, Nov 18, 1999	14.03	14.44	14.03	14.16
522	NYSE	DRQ	Wed, Nov 17, 1999	13.78	14.06	13.78	14.00
521	NYSE	DRQ	Tue, Nov 16, 1999	13.16	14.50	13.16	13.78
520	NYSE	DRQ	Mon, Nov 15, 1999	12.38	12.94	12.38	12.84
519	NYSE	DRQ	Fri, Nov 12, 1999	11.47	12.56	11.47	12.38
518	NYSE	DRQ	Thu, Nov 11, 1999	11.19	11.69	11.19	11.47
517	NYSE	DRQ	Wed, Nov 10, 1999	11.00	11.19	10.97	11.13
516	NYSE	DRQ	Tue, Nov 9, 1999	10.81	10.94	10.72	10.88
515	NYSE	DRQ	Mon, Nov 8, 1999	10.84	10.97	10.75	10.81
514	NYSE	DRQ	Fri, Nov 5, 1999	11.22	11.22	10.56	10.84
513	NYSE	DRQ	Thu, Nov 4, 1999	11.34	11.41	11.13	11.25
512	NYSE	DRQ	Wed, Nov 3, 1999	11.38	11.38	11.19	11.28
511	NYSE	DRQ	Tue, Nov 2, 1999	11.56	11.56	11.31	11.38
510	NYSE	DRQ	Mon, Nov 1, 1999	11.72	11.72	11.56	11.56
509	NYSE	DRQ	Fri, Oct 29, 1999	11.75	11.81	11.69	11.69
508	NYSE	DRQ	Thu, Oct 28, 1999	11.75	11.78	11.72	11.72
507	NYSE	DRQ	Wed, Oct 27, 1999	11.63	12.00	11.63	11.75
506	NYSE	DRQ	Tue, Oct 26, 1999	11.97	12.00	11.53	11.56
505	NYSE	DRQ	Mon, Oct 25, 1999	12.00	12.28	11.91	11.94
504	NYSE	DRQ	Fri, Oct 22, 1999	11.69	12.22	11.69	12.06
503	NYSE	DRQ	Thu, Oct 21, 1999	11.31	11.47	11.28	11.47
502	NYSE	DRQ	Wed, Oct 20, 1999	11.09	11.38	11.09	11.38
501	NYSE	DRQ	Tue, Oct 19, 1999	11.56	11.56	10.91	11.13
500	NYSE	DRQ	Mon, Oct 18, 1999	11.81	12.03	11.44	11.44
499	NYSE	DRQ	Fri, Oct 15, 1999	11.88	11.88	11.72	11.81
498	NYSE	DRQ	Thu, Oct 14, 1999	12.09	12.09	11.75	11.84
497	NYSE	DRQ	Wed, Oct 13, 1999	12.00	12.19	11.91	12.00
496	NYSE	DRQ	Tue, Oct 12, 1999	11.94	12.19	11.94	11.97
495	NYSE	DRQ	Mon, Oct 11, 1999	11.28	11.63	11.28	11.63
494	NYSE	DRQ	Fri, Oct 8, 1999	11.66	11.66	11.00	11.22
493	NYSE	DRQ	Thu, Oct 7, 1999	11.94	11.94	11.69	11.75
492	NYSE	DRQ	Wed, Oct 6, 1999	11.94	12.00	11.88	11.97
491	NYSE	DRQ	Tue, Oct 5, 1999	12.56	12.56	11.94	12.03
490	NYSE	DRQ	Mon, Oct 4, 1999	12.78	12.94	12.63	12.69
489	NYSE	DRQ	Fri, Oct 1, 1999	12.91	12.94	12.78	12.81
488	NYSE	DRQ	Thu, Sep 30, 1999	12.59	12.78	11.19	12.75
487	NYSE	DRQ	Wed, Sep 29, 1999	13.22	13.31	12.69	12.72
486	NYSE	DRQ	Tue, Sep 28, 1999	13.81	13.81	13.00	13.19
485	NYSE	DRQ	Mon, Sep 27, 1999	13.47	13.88	13.47	13.84
484	NYSE	DRQ	Fri, Sep 24, 1999	13.72	13.72	13.41	13.47
483	NYSE	DRQ	Thu, Sep 23, 1999	13.03	14.25	13.03	13.72
482	NYSE	DRQ	Wed, Sep 22, 1999	12.28	12.94	12.28	12.91
481	NYSE	DRQ	Tue, Sep 21, 1999	12.47	12.47	12.06	12.19
480	NYSE	DRQ	Mon, Sep 20, 1999	12.75	12.75	12.34	12.44
479	NYSE	DRQ	Fri, Sep 17, 1999	12.31	12.69	12.19	12.66
478	NYSE	DRQ	Thu, Sep 16, 1999	12.63	12.94	12.38	12.50
477	NYSE	DRQ	Wed, Sep 15, 1999	13.56	13.56	12.56	12.56
476	NYSE	DRQ	Tue, Sep 14, 1999	14.16	14.16	13.53	13.53
475	NYSE	DRQ	Mon, Sep 13, 1999	14.38	14.38	14.22	14.22
474	NYSE	DRQ	Fri, Sep 10, 1999	14.75	14.75	14.50	14.50
473	NYSE	DRQ	Thu, Sep 9, 1999	14.06	14.88	14.06	14.50
472	NYSE	DRQ	Wed, Sep 8, 1999	13.25	13.94	13.16	13.94
471	NYSE	DRQ	Tue, Sep 7, 1999	12.88	13.38	12.88	13.38
470	NYSE	DRQ	Fri, Sep 3, 1999	13.19	13.22	13.13	13.13
469	NYSE	DRQ	Thu, Sep 2, 1999	13.72	13.72	12.81	13.06
468	NYSE	DRQ	Wed, Sep 1, 1999	13.88	13.88	13.69	13.72
467	NYSE	DRQ	Tue, Aug 31, 1999	14.28	14.38	13.88	13.97
466	NYSE	DRQ	Mon, Aug 30, 1999	14.50	14.88	14.25	14.31
465	NYSE	DRQ	Fri, Aug 27, 1999	14.69	14.75	14.44	14.50
464	NYSE	DRQ	Thu, Aug 26, 1999	14.44	14.56	14.00	14.56
463	NYSE	DRQ	Wed, Aug 25, 1999	15.00	15.25	14.31	14.38
462	NYSE	DRQ	Tue, Aug 24, 1999	14.38	14.94	14.25	14.94
461	NYSE	DRQ	Mon, Aug 23, 1999	14.00	14.13	13.69	13.75
460	NYSE	DRQ	Fri, Aug 20, 1999	13.50	13.94	13.50	13.94
459	NYSE	DRQ	Thu, Aug 19, 1999	13.25	13.50	13.25	13.44
458	NYSE	DRQ	Wed, Aug 18, 1999	13.31	13.34	13.19	13.19
457	NYSE	DRQ	Tue, Aug 17, 1999	13.16	13.38	13.16	13.38
456	NYSE	DRQ	Mon, Aug 16, 1999	13.28	13.34	13.19	13.22
455	NYSE	DRQ	Fri, Aug 13, 1999	13.50	13.50	13.31	13.34
454	NYSE	DRQ	Thu, Aug 12, 1999	13.63	13.63	13.53	13.56
453	NYSE	DRQ	Wed, Aug 11, 1999	13.69	13.75	13.50	13.59
452	NYSE	DRQ	Tue, Aug 10, 1999	13.38	14.50	13.25	13.75
451	NYSE	DRQ	Mon, Aug 9, 1999	12.19	13.19	12.19	13.13
450	NYSE	DRQ	Fri, Aug 6, 1999	12.31	12.44	12.09	12.22
449	NYSE	DRQ	Thu, Aug 5, 1999	11.84	12.75	11.81	12.31
448	NYSE	DRQ	Wed, Aug 4, 1999	11.09	11.81	11.09	11.81
447	NYSE	DRQ	Tue, Aug 3, 1999	10.75	11.13	10.72	11.00
446	NYSE	DRQ	Mon, Aug 2, 1999	10.94	10.97	10.72	10.75
445	NYSE	DRQ	Fri, Jul 30, 1999	10.53	11.06	10.53	10.91
444	NYSE	DRQ	Thu, Jul 29, 1999	10.56	10.56	10.25	10.47
443	NYSE	DRQ	Wed, Jul 28, 1999	10.16	10.53	10.16	10.53
442	NYSE	DRQ	Tue, Jul 27, 1999	9.63	10.22	8.81	10.22
441	NYSE	DRQ	Mon, Jul 26, 1999	9.91	9.94	9.63	9.63
440	NYSE	DRQ	Fri, Jul 23, 1999	9.88	9.97	9.88	9.97
439	NYSE	DRQ	Thu, Jul 22, 1999	9.88	9.91	9.81	9.88
438	NYSE	DRQ	Wed, Jul 21, 1999	10.13	10.13	9.84	9.94
437	NYSE	DRQ	Tue, Jul 20, 1999	10.56	10.66	10.19	10.19
436	NYSE	DRQ	Mon, Jul 19, 1999	10.72	10.75	10.53	10.56
435	NYSE	DRQ	Fri, Jul 16, 1999	10.94	10.94	10.69	10.72
434	NYSE	DRQ	Thu, Jul 15, 1999	10.88	10.94	10.78	10.94
433	NYSE	DRQ	Wed, Jul 14, 1999	11.00	11.00	10.81	10.84
432	NYSE	DRQ	Tue, Jul 13, 1999	10.91	11.00	10.88	10.94
431	NYSE	DRQ	Mon, Jul 12, 1999	10.91	10.97	10.88	10.94
430	NYSE	DRQ	Fri, Jul 9, 1999	10.91	10.94	10.81	10.88
429	NYSE	DRQ	Thu, Jul 8, 1999	10.88	11.13	10.88	10.97
428	NYSE	DRQ	Wed, Jul 7, 1999	11.25	11.25	10.84	10.84
427	NYSE	DRQ	Tue, Jul 6, 1999	11.38	11.50	11.31	11.31
426	NYSE	DRQ	Fri, Jul 2, 1999	11.25	11.25	11.22	11.25
425	NYSE	DRQ	Thu, Jul 1, 1999	11.50	11.56	11.25	11.25
424	NYSE	DRQ	Wed, Jun 30, 1999	11.31	11.63	11.31	11.47
423	NYSE	DRQ	Tue, Jun 29, 1999	11.47	11.47	11.25	11.25
422	NYSE	DRQ	Mon, Jun 28, 1999	11.59	11.63	11.50	11.53
421	NYSE	DRQ	Fri, Jun 25, 1999	11.66	11.66	11.56	11.56
420	NYSE	DRQ	Thu, Jun 24, 1999	11.66	11.78	11.66	11.69
419	NYSE	DRQ	Wed, Jun 23, 1999	12.00	12.00	11.47	11.75
418	NYSE	DRQ	Tue, Jun 22, 1999	12.25	12.25	11.94	11.94
417	NYSE	DRQ	Mon, Jun 21, 1999	12.28	12.44	12.28	12.33
416	NYSE	DRQ	Fri, Jun 18, 1999	12.25	12.38	12.25	12.28
415	NYSE	DRQ	Thu, Jun 17, 1999	11.81	12.06	11.69	12.06
414	NYSE	DRQ	Wed, Jun 16, 1999	12.06	12.31	11.91	11.94
413	NYSE	DRQ	Tue, Jun 15, 1999	11.53	11.94	11.53	11.88
412	NYSE	DRQ	Mon, Jun 14, 1999	11.59	11.59	11.38	11.53
411	NYSE	DRQ	Fri, Jun 11, 1999	11.91	11.94	11.50	11.50
410	NYSE	DRQ	Thu, Jun 10, 1999	11.94	11.97	11.94	11.97
409	NYSE	DRQ	Wed, Jun 9, 1999	12.28	12.28	11.81	11.97
408	NYSE	DRQ	Tue, Jun 8, 1999	12.31	12.31	12.25	12.28
407	NYSE	DRQ	Mon, Jun 7, 1999	12.28	12.34	12.13	12.34
406	NYSE	DRQ	Fri, Jun 4, 1999	12.16	12.16	12.09	12.16
405	NYSE	DRQ	Thu, Jun 3, 1999	12.75	12.75	12.22	12.22
404	NYSE	DRQ	Wed, Jun 2, 1999	12.56	12.56	12.06	12.38
403	NYSE	DRQ	Tue, Jun 1, 1999	12.84	12.84	12.50	12.63
402	NYSE	DRQ	Fri, May 28, 1999	12.69	12.91	12.69	12.91
401	NYSE	DRQ	Thu, May 27, 1999	12.56	12.88	12.50	12.69
400	NYSE	DRQ	Wed, May 26, 1999	12.50	12.75	12.50	12.66
399	NYSE	DRQ	Tue, May 25, 1999	12.47	12.47	12.34	12.41
398	NYSE	DRQ	Mon, May 24, 1999	12.69	13.06	12.44	12.44
397	NYSE	DRQ	Fri, May 21, 1999	12.25	12.88	12.22	12.69
396	NYSE	DRQ	Thu, May 20, 1999	12.13	12.31	12.13	12.22
395	NYSE	DRQ	Wed, May 19, 1999	12.13	12.13	11.94	12.13
394	NYSE	DRQ	Tue, May 18, 1999	12.25	12.25	12.19	12.19
393	NYSE	DRQ	Mon, May 17, 1999	12.47	12.50	12.22	12.22
392	NYSE	DRQ	Fri, May 14, 1999	12.53	12.53	12.38	12.53
391	NYSE	DRQ	Thu, May 13, 1999	11.81	12.69	11.81	12.59
390	NYSE	DRQ	Wed, May 12, 1999	12.00	12.00	11.72	11.72
389	NYSE	DRQ	Tue, May 11, 1999	12.06	12.09	12.00	12.03
388	NYSE	DRQ	Mon, May 10, 1999	12.22	12.22	12.06	12.06
387	NYSE	DRQ	Fri, May 7, 1999	12.50	12.50	12.31	12.47
386	NYSE	DRQ	Thu, May 6, 1999	12.25	12.56	12.13	12.56
385	NYSE	DRQ	Wed, May 5, 1999	12.53	12.53	11.94	12.28
384	NYSE	DRQ	Tue, May 4, 1999	12.63	12.69	12.50	12.50
383	NYSE	DRQ	Mon, May 3, 1999	12.19	12.50	12.16	12.50
382	NYSE	DRQ	Fri, Apr 30, 1999	12.31	12.31	12.19	12.19
381	NYSE	DRQ	Thu, Apr 29, 1999	12.63	12.63	12.13	12.38
380	NYSE	DRQ	Wed, Apr 28, 1999	12.00	12.94	12.00	12.69
379	NYSE	DRQ	Tue, Apr 27, 1999	11.66	12.00	11.66	12.00
378	NYSE	DRQ	Mon, Apr 26, 1999	11.75	11.81	11.41	11.63
377	NYSE	DRQ	Fri, Apr 23, 1999	11.81	11.88	11.56	11.75
376	NYSE	DRQ	Thu, Apr 22, 1999	11.94	11.94	11.69	11.81
375	NYSE	DRQ	Wed, Apr 21, 1999	12.09	12.13	11.94	12.00
374	NYSE	DRQ	Tue, Apr 20, 1999	12.38	12.44	12.06	12.09
373	NYSE	DRQ	Mon, Apr 19, 1999	12.25	12.69	11.81	12.31
372	NYSE	DRQ	Fri, Apr 16, 1999	11.25	12.38	11.25	12.19
371	NYSE	DRQ	Thu, Apr 15, 1999	11.41	11.41	11.22	11.25
370	NYSE	DRQ	Wed, Apr 14, 1999	11.69	11.69	11.41	11.41
369	NYSE	DRQ	Tue, Apr 13, 1999	11.25	11.94	11.25	11.69
368	NYSE	DRQ	Mon, Apr 12, 1999	10.50	10.75	10.50	10.75
367	NYSE	DRQ	Fri, Apr 9, 1999	9.97	10.50	9.94	10.50
366	NYSE	DRQ	Thu, Apr 8, 1999	9.31	10.00	9.28	9.81
365	NYSE	DRQ	Wed, Apr 7, 1999	9.63	9.69	9.00	9.38
364	NYSE	DRQ	Tue, Apr 6, 1999	10.50	10.50	9.69	9.69
363	NYSE	DRQ	Mon, Apr 5, 1999	10.63	10.75	10.63	10.63
362	NYSE	DRQ	Thu, Apr 1, 1999	10.91	10.94	10.13	10.53
361	NYSE	DRQ	Wed, Mar 31, 1999	11.22	11.31	10.63	11.03
360	NYSE	DRQ	Tue, Mar 30, 1999	11.13	12.13	10.94	11.34
359	NYSE	DRQ	Mon, Mar 29, 1999	10.19	11.06	10.19	11.00
358	NYSE	DRQ	Fri, Mar 26, 1999	10.06	10.50	10.00	10.09
357	NYSE	DRQ	Thu, Mar 25, 1999	9.88	9.88	9.75	9.88
356	NYSE	DRQ	Wed, Mar 24, 1999	9.44	9.94	9.31	9.94
355	NYSE	DRQ	Tue, Mar 23, 1999	8.88	8.91	8.81	8.91
354	NYSE	DRQ	Mon, Mar 22, 1999	8.63	8.91	8.63	8.91
353	NYSE	DRQ	Fri, Mar 19, 1999	9.00	9.00	8.50	8.69
352	NYSE	DRQ	Thu, Mar 18, 1999	9.19	9.38	9.00	9.00
351	NYSE	DRQ	Wed, Mar 17, 1999	8.50	9.19	8.50	9.19
350	NYSE	DRQ	Tue, Mar 16, 1999	8.56	8.56	8.50	8.50
349	NYSE	DRQ	Mon, Mar 15, 1999	9.13	9.13	8.56	8.59
348	NYSE	DRQ	Fri, Mar 12, 1999	8.50	9.25	8.50	9.16
347	NYSE	DRQ	Thu, Mar 11, 1999	8.44	8.63	8.25	8.31
346	NYSE	DRQ	Wed, Mar 10, 1999	7.03	7.94	7.00	7.91
345	NYSE	DRQ	Tue, Mar 9, 1999	7.19	7.19	6.88	6.88
344	NYSE	DRQ	Mon, Mar 8, 1999	7.00	7.44	7.00	7.22
343	NYSE	DRQ	Fri, Mar 5, 1999	7.06	7.06	6.81	6.94
342	NYSE	DRQ	Thu, Mar 4, 1999	6.78	7.13	6.78	7.00
341	NYSE	DRQ	Wed, Mar 3, 1999	6.50	6.81	6.50	6.75
340	NYSE	DRQ	Tue, Mar 2, 1999	6.50	6.50	6.44	6.47
339	NYSE	DRQ	Mon, Mar 1, 1999	6.38	6.50	6.34	6.50
338	NYSE	DRQ	Fri, Feb 26, 1999	6.50	6.50	6.38	6.38
337	NYSE	DRQ	Thu, Feb 25, 1999	6.41	6.50	6.41	6.50
336	NYSE	DRQ	Wed, Feb 24, 1999	6.41	6.50	6.34	6.44
335	NYSE	DRQ	Tue, Feb 23, 1999	6.25	6.47	6.13	6.47
334	NYSE	DRQ	Mon, Feb 22, 1999	6.00	6.22	6.00	6.22
333	NYSE	DRQ	Fri, Feb 19, 1999	6.09	6.09	5.94	5.97
332	NYSE	DRQ	Thu, Feb 18, 1999	6.06	6.13	5.88	6.09
331	NYSE	DRQ	Wed, Feb 17, 1999	6.78	6.81	6.25	6.25
330	NYSE	DRQ	Tue, Feb 16, 1999	7.00	7.00	6.75	6.75
329	NYSE	DRQ	Fri, Feb 12, 1999	7.00	7.00	6.88	6.91
328	NYSE	DRQ	Thu, Feb 11, 1999	6.94	7.00	6.94	7.00
327	NYSE	DRQ	Wed, Feb 10, 1999	7.16	7.16	6.94	6.94
326	NYSE	DRQ	Tue, Feb 9, 1999	7.56	7.56	7.13	7.13
325	NYSE	DRQ	Mon, Feb 8, 1999	7.94	8.00	7.56	7.56
324	NYSE	DRQ	Fri, Feb 5, 1999	7.63	7.88	7.63	7.88
323	NYSE	DRQ	Thu, Feb 4, 1999	7.84	7.84	7.63	7.69
322	NYSE	DRQ	Wed, Feb 3, 1999	7.28	7.94	7.28	7.88
321	NYSE	DRQ	Tue, Feb 2, 1999	7.44	7.44	7.09	7.22
320	NYSE	DRQ	Mon, Feb 1, 1999	7.81	7.94	7.38	7.41
319	NYSE	DRQ	Fri, Jan 29, 1999	7.81	8.00	7.75	8.00
318	NYSE	DRQ	Thu, Jan 28, 1999	7.81	7.88	7.78	7.81
317	NYSE	DRQ	Wed, Jan 27, 1999	7.97	7.97	7.75	7.78
316	NYSE	DRQ	Tue, Jan 26, 1999	8.00	8.00	7.88	7.97
315	NYSE	DRQ	Mon, Jan 25, 1999	8.06	8.06	7.78	7.97
314	NYSE	DRQ	Fri, Jan 22, 1999	8.19	8.22	8.13	8.13
313	NYSE	DRQ	Thu, Jan 21, 1999	7.84	8.25	7.81	8.25
312	NYSE	DRQ	Wed, Jan 20, 1999	8.19	8.19	7.78	7.84
311	NYSE	DRQ	Tue, Jan 19, 1999	8.19	8.38	8.13	8.25
310	NYSE	DRQ	Fri, Jan 15, 1999	8.38	8.38	7.81	8.19
309	NYSE	DRQ	Thu, Jan 14, 1999	8.56	8.69	8.38	8.38
308	NYSE	DRQ	Wed, Jan 13, 1999	8.75	8.75	8.50	8.69
307	NYSE	DRQ	Tue, Jan 12, 1999	9.25	9.25	8.75	9.00
306	NYSE	DRQ	Mon, Jan 11, 1999	9.63	9.69	9.25	9.31
305	NYSE	DRQ	Fri, Jan 8, 1999	9.31	9.63	9.31	9.56
304	NYSE	DRQ	Thu, Jan 7, 1999	8.66	9.38	8.66	9.25
303	NYSE	DRQ	Wed, Jan 6, 1999	8.50	8.78	8.38	8.78
302	NYSE	DRQ	Tue, Jan 5, 1999	8.88	8.91	8.44	8.50
301	NYSE	DRQ	Mon, Jan 4, 1999	9.06	9.06	8.88	8.94
300	NYSE	DRQ	Thu, Dec 31, 1998	8.50	8.88	8.50	8.88
299	NYSE	DRQ	Wed, Dec 30, 1998	8.50	8.63	8.50	8.50
298	NYSE	DRQ	Tue, Dec 29, 1998	8.47	8.53	8.28	8.53
297	NYSE	DRQ	Mon, Dec 28, 1998	8.09	8.56	8.06	8.50
296	NYSE	DRQ	Thu, Dec 24, 1998	8.00	8.06	8.00	8.03
295	NYSE	DRQ	Wed, Dec 23, 1998	7.81	8.47	7.75	8.06
294	NYSE	DRQ	Tue, Dec 22, 1998	7.88	7.88	7.72	7.84
293	NYSE	DRQ	Mon, Dec 21, 1998	7.75	8.00	7.72	7.94
292	NYSE	DRQ	Fri, Dec 18, 1998	7.50	7.78	7.50	7.75
291	NYSE	DRQ	Thu, Dec 17, 1998	7.81	7.81	7.44	7.53
290	NYSE	DRQ	Wed, Dec 16, 1998	6.88	7.81	6.88	7.81
289	NYSE	DRQ	Tue, Dec 15, 1998	7.03	7.06	6.81	6.91
288	NYSE	DRQ	Mon, Dec 14, 1998	6.97	7.13	6.91	7.09
287	NYSE	DRQ	Fri, Dec 11, 1998	6.97	7.06	6.97	7.00
286	NYSE	DRQ	Thu, Dec 10, 1998	7.03	7.25	7.00	7.00
285	NYSE	DRQ	Wed, Dec 9, 1998	7.00	7.19	6.94	7.06
284	NYSE	DRQ	Tue, Dec 8, 1998	7.50	7.50	6.81	7.06
283	NYSE	DRQ	Mon, Dec 7, 1998	7.13	7.47	7.00	7.31
282	NYSE	DRQ	Fri, Dec 4, 1998	6.94	7.25	6.81	7.19
281	NYSE	DRQ	Thu, Dec 3, 1998	6.88	7.19	6.88	6.88
280	NYSE	DRQ	Wed, Dec 2, 1998	7.09	7.09	6.84	6.88
279	NYSE	DRQ	Tue, Dec 1, 1998	7.16	7.56	6.97	7.03
278	NYSE	DRQ	Mon, Nov 30, 1998	7.41	7.41	6.94	7.22
277	NYSE	DRQ	Fri, Nov 27, 1998	7.50	7.50	7.31	7.41
276	NYSE	DRQ	Wed, Nov 25, 1998	7.47	7.72	7.38	7.38
275	NYSE	DRQ	Tue, Nov 24, 1998	7.50	7.53	7.38	7.47
274	NYSE	DRQ	Mon, Nov 23, 1998	7.88	7.88	7.38	7.50
273	NYSE	DRQ	Fri, Nov 20, 1998	7.69	8.06	7.69	7.81
272	NYSE	DRQ	Thu, Nov 19, 1998	7.75	7.81	7.50	7.72
271	NYSE	DRQ	Wed, Nov 18, 1998	8.63	8.69	7.25	7.75
270	NYSE	DRQ	Tue, Nov 17, 1998	8.66	8.69	8.59	8.69
269	NYSE	DRQ	Mon, Nov 16, 1998	8.72	9.00	8.72	8.72
268	NYSE	DRQ	Fri, Nov 13, 1998	8.88	9.09	8.88	8.97
267	NYSE	DRQ	Thu, Nov 12, 1998	9.16	9.47	9.00	9.06
266	NYSE	DRQ	Wed, Nov 11, 1998	9.81	9.84	9.22	9.25
265	NYSE	DRQ	Tue, Nov 10, 1998	10.00	10.00	9.44	9.69
264	NYSE	DRQ	Mon, Nov 9, 1998	9.81	10.00	9.44	10.00
263	NYSE	DRQ	Fri, Nov 6, 1998	10.34	10.34	9.69	9.69
262	NYSE	DRQ	Thu, Nov 5, 1998	10.44	10.44	10.34	10.34
261	NYSE	DRQ	Wed, Nov 4, 1998	10.81	10.88	10.56	10.56
260	NYSE	DRQ	Tue, Nov 3, 1998	10.75	11.06	10.63	10.81
259	NYSE	DRQ	Mon, Nov 2, 1998	10.63	11.25	10.63	10.75
258	NYSE	DRQ	Fri, Oct 30, 1998	10.03	10.75	9.75	10.50
257	NYSE	DRQ	Thu, Oct 29, 1998	9.94	10.13	9.94	10.03
256	NYSE	DRQ	Wed, Oct 28, 1998	10.06	10.06	9.75	10.03
255	NYSE	DRQ	Tue, Oct 27, 1998	10.38	11.00	10.13	10.19
254	NYSE	DRQ	Mon, Oct 26, 1998	9.56	10.97	9.50	10.50
253	NYSE	DRQ	Fri, Oct 23, 1998	9.69	9.72	9.25	9.69
252	NYSE	DRQ	Thu, Oct 22, 1998	9.22	9.75	9.22	9.66
251	NYSE	DRQ	Wed, Oct 21, 1998	8.50	9.22	8.50	9.13
250	NYSE	DRQ	Tue, Oct 20, 1998	8.38	8.75	8.38	8.44
249	NYSE	DRQ	Mon, Oct 19, 1998	8.50	8.84	8.06	8.38
248	NYSE	DRQ	Fri, Oct 16, 1998	7.47	8.69	7.47	8.53
247	NYSE	DRQ	Thu, Oct 15, 1998	6.66	7.41	6.56	7.41
246	NYSE	DRQ	Wed, Oct 14, 1998	7.13	7.13	6.69	6.72
245	NYSE	DRQ	Tue, Oct 13, 1998	7.44	7.44	7.19	7.19
244	NYSE	DRQ	Mon, Oct 12, 1998	7.13	7.56	7.13	7.50
243	NYSE	DRQ	Fri, Oct 9, 1998	7.00	7.13	6.69	7.09
242	NYSE	DRQ	Thu, Oct 8, 1998	7.44	7.44	6.88	7.00
241	NYSE	DRQ	Wed, Oct 7, 1998	8.13	8.13	7.66	7.66
240	NYSE	DRQ	Tue, Oct 6, 1998	8.63	8.63	8.19	8.19
239	NYSE	DRQ	Mon, Oct 5, 1998	8.94	8.94	8.66	8.66
238	NYSE	DRQ	Fri, Oct 2, 1998	8.38	9.13	8.38	8.94
237	NYSE	DRQ	Thu, Oct 1, 1998	8.63	9.09	8.31	8.31
236	NYSE	DRQ	Wed, Sep 30, 1998	8.72	8.75	8.50	8.75
235	NYSE	DRQ	Tue, Sep 29, 1998	8.53	8.88	8.50	8.84
234	NYSE	DRQ	Mon, Sep 28, 1998	8.44	8.75	8.31	8.59
233	NYSE	DRQ	Fri, Sep 25, 1998	8.69	8.81	8.25	8.44
232	NYSE	DRQ	Thu, Sep 24, 1998	9.00	9.00	8.63	8.63
231	NYSE	DRQ	Wed, Sep 23, 1998	8.84	9.09	8.78	9.00
230	NYSE	DRQ	Tue, Sep 22, 1998	9.25	9.25	8.91	8.91
229	NYSE	DRQ	Mon, Sep 21, 1998	9.25	9.34	9.13	9.34
228	NYSE	DRQ	Fri, Sep 18, 1998	9.25	9.38	9.22	9.22
227	NYSE	DRQ	Thu, Sep 17, 1998	9.44	9.44	9.00	9.19
226	NYSE	DRQ	Wed, Sep 16, 1998	10.06	10.50	9.50	9.56
225	NYSE	DRQ	Tue, Sep 15, 1998	10.28	10.31	10.00	10.13
224	NYSE	DRQ	Mon, Sep 14, 1998	9.88	10.97	9.75	10.41
223	NYSE	DRQ	Fri, Sep 11, 1998	8.34	9.69	8.34	9.63
222	NYSE	DRQ	Thu, Sep 10, 1998	7.06	8.19	7.03	7.94
221	NYSE	DRQ	Wed, Sep 9, 1998	7.25	7.34	7.13	7.13
220	NYSE	DRQ	Tue, Sep 8, 1998	7.22	7.56	7.19	7.31
219	NYSE	DRQ	Fri, Sep 4, 1998	6.22	7.22	6.06	6.97
218	NYSE	DRQ	Thu, Sep 3, 1998	6.16	6.19	6.03	6.19
217	NYSE	DRQ	Wed, Sep 2, 1998	6.06	6.38	6.06	6.16
216	NYSE	DRQ	Tue, Sep 1, 1998	6.09	6.09	5.88	6.00
215	NYSE	DRQ	Mon, Aug 31, 1998	6.66	6.75	6.13	6.16
214	NYSE	DRQ	Fri, Aug 28, 1998	6.72	6.81	6.63	6.66
213	NYSE	DRQ	Thu, Aug 27, 1998	7.00	7.00	6.66	6.66
212	NYSE	DRQ	Wed, Aug 26, 1998	7.34	7.34	6.81	7.00
211	NYSE	DRQ	Tue, Aug 25, 1998	7.56	7.56	7.41	7.41
210	NYSE	DRQ	Mon, Aug 24, 1998	7.63	7.72	7.50	7.56
209	NYSE	DRQ	Fri, Aug 21, 1998	7.81	7.81	7.41	7.69
208	NYSE	DRQ	Thu, Aug 20, 1998	7.56	7.88	7.44	7.88
207	NYSE	DRQ	Wed, Aug 19, 1998	7.38	7.69	7.38	7.63
206	NYSE	DRQ	Tue, Aug 18, 1998	7.03	7.56	7.03	7.31
205	NYSE	DRQ	Mon, Aug 17, 1998	7.38	7.38	6.94	7.03
204	NYSE	DRQ	Fri, Aug 14, 1998	7.50	7.63	7.38	7.41
203	NYSE	DRQ	Thu, Aug 13, 1998	7.38	7.72	7.38	7.50
202	NYSE	DRQ	Wed, Aug 12, 1998	7.19	7.53	7.19	7.41
201	NYSE	DRQ	Tue, Aug 11, 1998	7.25	7.25	6.88	7.16
200	NYSE	DRQ	Mon, Aug 10, 1998	7.63	7.63	7.13	7.31
199	NYSE	DRQ	Fri, Aug 7, 1998	7.19	7.84	7.19	7.75
198	NYSE	DRQ	Thu, Aug 6, 1998	7.13	7.44	7.13	7.25
197	NYSE	DRQ	Wed, Aug 5, 1998	7.13	7.31	7.00	7.13
196	NYSE	DRQ	Tue, Aug 4, 1998	7.53	7.66	7.06	7.13
195	NYSE	DRQ	Mon, Aug 3, 1998	7.72	7.78	7.38	7.47
194	NYSE	DRQ	Fri, Jul 31, 1998	8.44	8.47	7.56	7.69
193	NYSE	DRQ	Thu, Jul 30, 1998	8.13	8.38	7.63	8.38
192	NYSE	DRQ	Wed, Jul 29, 1998	9.19	9.69	8.00	8.00
191	NYSE	DRQ	Tue, Jul 28, 1998	10.25	10.31	8.56	9.16
190	NYSE	DRQ	Mon, Jul 27, 1998	10.25	10.34	10.25	10.28
189	NYSE	DRQ	Fri, Jul 24, 1998	10.81	10.88	10.38	10.44
188	NYSE	DRQ	Thu, Jul 23, 1998	11.00	11.00	10.75	10.75
187	NYSE	DRQ	Wed, Jul 22, 1998	10.75	11.09	10.56	11.03
186	NYSE	DRQ	Tue, Jul 21, 1998	10.63	11.00	10.63	10.69
185	NYSE	DRQ	Mon, Jul 20, 1998	10.97	11.06	10.63	10.66
184	NYSE	DRQ	Fri, Jul 17, 1998	11.50	11.50	10.50	10.91
183	NYSE	DRQ	Thu, Jul 16, 1998	12.09	12.09	11.50	11.50
182	NYSE	DRQ	Wed, Jul 15, 1998	12.16	12.25	12.06	12.16
181	NYSE	DRQ	Tue, Jul 14, 1998	12.44	12.50	12.25	12.28
180	NYSE	DRQ	Mon, Jul 13, 1998	12.94	12.94	12.00	12.50
179	NYSE	DRQ	Fri, Jul 10, 1998	12.66	13.19	12.66	13.00
178	NYSE	DRQ	Thu, Jul 9, 1998	12.75	12.75	12.53	12.66
177	NYSE	DRQ	Wed, Jul 8, 1998	12.63	13.00	12.50	12.69
176	NYSE	DRQ	Tue, Jul 7, 1998	12.63	12.63	12.44	12.44
175	NYSE	DRQ	Mon, Jul 6, 1998	12.97	12.97	12.56	12.59
174	NYSE	DRQ	Thu, Jul 2, 1998	12.88	13.06	12.81	12.97
173	NYSE	DRQ	Wed, Jul 1, 1998	13.19	13.25	12.75	12.88
172	NYSE	DRQ	Tue, Jun 30, 1998	13.69	14.06	13.13	13.13
171	NYSE	DRQ	Mon, Jun 29, 1998	13.81	13.84	13.44	13.63
170	NYSE	DRQ	Fri, Jun 26, 1998	14.34	14.47	13.88	13.88
169	NYSE	DRQ	Thu, Jun 25, 1998	14.56	14.66	14.25	14.25
168	NYSE	DRQ	Wed, Jun 24, 1998	14.31	14.47	14.28	14.44
167	NYSE	DRQ	Tue, Jun 23, 1998	13.72	14.25	13.72	14.19
166	NYSE	DRQ	Mon, Jun 22, 1998	14.00	14.13	13.78	13.78
165	NYSE	DRQ	Fri, Jun 19, 1998	14.16	14.25	13.94	13.94
164	NYSE	DRQ	Thu, Jun 18, 1998	14.50	14.50	14.06	14.13
163	NYSE	DRQ	Wed, Jun 17, 1998	14.47	14.50	14.22	14.38
162	NYSE	DRQ	Tue, Jun 16, 1998	13.88	14.31	13.88	14.25
161	NYSE	DRQ	Mon, Jun 15, 1998	14.19	14.19	13.88	13.94
160	NYSE	DRQ	Fri, Jun 12, 1998	14.00	14.31	13.88	14.31
159	NYSE	DRQ	Thu, Jun 11, 1998	14.44	14.44	13.94	13.94
158	NYSE	DRQ	Wed, Jun 10, 1998	14.47	14.56	14.44	14.47
157	NYSE	DRQ	Tue, Jun 9, 1998	14.75	14.75	14.44	14.47
156	NYSE	DRQ	Mon, Jun 8, 1998	14.72	14.88	14.66	14.72
155	NYSE	DRQ	Fri, Jun 5, 1998	14.75	14.78	14.69	14.72
154	NYSE	DRQ	Thu, Jun 4, 1998	14.31	14.69	14.31	14.69
153	NYSE	DRQ	Wed, Jun 3, 1998	14.41	14.47	14.13	14.25
152	NYSE	DRQ	Tue, Jun 2, 1998	14.81	14.84	14.38	14.47
151	NYSE	DRQ	Mon, Jun 1, 1998	15.63	15.75	14.69	14.81
150	NYSE	DRQ	Fri, May 29, 1998	14.69	15.84	14.69	15.59
149	NYSE	DRQ	Thu, May 28, 1998	14.50	14.75	14.41	14.69
148	NYSE	DRQ	Wed, May 27, 1998	14.25	14.44	14.19	14.44
147	NYSE	DRQ	Tue, May 26, 1998	15.28	15.28	14.75	14.75
146	NYSE	DRQ	Fri, May 22, 1998	15.25	15.31	15.25	15.25
145	NYSE	DRQ	Thu, May 21, 1998	15.50	15.75	14.50	15.19
144	NYSE	DRQ	Wed, May 20, 1998	16.13	16.13	15.44	15.44
143	NYSE	DRQ	Tue, May 19, 1998	16.47	16.63	16.25	16.25
142	NYSE	DRQ	Mon, May 18, 1998	17.25	17.25	16.25	16.47
141	NYSE	DRQ	Fri, May 15, 1998	17.44	17.56	17.25	17.25
140	NYSE	DRQ	Thu, May 14, 1998	17.19	17.31	17.19	17.31
139	NYSE	DRQ	Wed, May 13, 1998	17.19	17.25	17.19	17.25
138	NYSE	DRQ	Tue, May 12, 1998	17.75	17.75	17.19	17.22
137	NYSE	DRQ	Mon, May 11, 1998	17.44	17.88	17.44	17.81
136	NYSE	DRQ	Fri, May 8, 1998	17.31	17.56	17.31	17.34
135	NYSE	DRQ	Thu, May 7, 1998	17.75	17.75	17.13	17.22
134	NYSE	DRQ	Wed, May 6, 1998	17.94	17.94	17.75	17.75
133	NYSE	DRQ	Tue, May 5, 1998	17.56	17.97	17.56	17.88
132	NYSE	DRQ	Mon, May 4, 1998	18.00	18.00	17.53	17.63
131	NYSE	DRQ	Fri, May 1, 1998	17.94	18.13	17.88	17.97
130	NYSE	DRQ	Thu, Apr 30, 1998	18.13	18.19	17.81	17.97
129	NYSE	DRQ	Wed, Apr 29, 1998	17.19	18.25	17.13	18.13
128	NYSE	DRQ	Tue, Apr 28, 1998	17.00	17.19	16.94	17.06
127	NYSE	DRQ	Mon, Apr 27, 1998	17.03	17.03	16.53	16.59
126	NYSE	DRQ	Fri, Apr 24, 1998	17.94	17.94	16.88	17.00
125	NYSE	DRQ	Thu, Apr 23, 1998	18.13	18.13	17.94	17.94
124	NYSE	DRQ	Wed, Apr 22, 1998	18.03	18.19	17.88	18.19
123	NYSE	DRQ	Tue, Apr 21, 1998	18.06	18.50	18.06	18.06
122	NYSE	DRQ	Mon, Apr 20, 1998	17.59	18.13	17.31	18.06
121	NYSE	DRQ	Fri, Apr 17, 1998	17.50	17.75	17.41	17.56
120	NYSE	DRQ	Thu, Apr 16, 1998	16.25	17.63	16.25	17.44
119	NYSE	DRQ	Wed, Apr 15, 1998	15.50	16.75	15.47	16.28
118	NYSE	DRQ	Tue, Apr 14, 1998	15.84	15.94	15.50	15.50
117	NYSE	DRQ	Mon, Apr 13, 1998	15.88	16.25	15.81	15.84
116	NYSE	DRQ	Thu, Apr 9, 1998	15.66	16.00	15.63	16.00
115	NYSE	DRQ	Wed, Apr 8, 1998	15.63	15.66	15.59	15.66
114	NYSE	DRQ	Tue, Apr 7, 1998	15.81	15.81	15.66	15.66
113	NYSE	DRQ	Mon, Apr 6, 1998	16.09	16.13	15.81	15.88
112	NYSE	DRQ	Fri, Apr 3, 1998	16.31	16.31	16.06	16.06
111	NYSE	DRQ	Thu, Apr 2, 1998	16.31	16.31	16.00	16.09
110	NYSE	DRQ	Wed, Apr 1, 1998	16.19	16.38	16.00	16.19
109	NYSE	DRQ	Tue, Mar 31, 1998	15.81	16.25	15.50	16.25
108	NYSE	DRQ	Mon, Mar 30, 1998	16.31	16.31	15.66	15.75
107	NYSE	DRQ	Fri, Mar 27, 1998	16.38	16.50	16.38	16.50
106	NYSE	DRQ	Thu, Mar 26, 1998	16.97	17.19	16.50	16.50
105	NYSE	DRQ	Wed, Mar 25, 1998	16.66	17.00	16.59	16.97
104	NYSE	DRQ	Tue, Mar 24, 1998	16.94	16.94	16.25	16.56
103	NYSE	DRQ	Mon, Mar 23, 1998	15.25	17.00	15.25	17.00
102	NYSE	DRQ	Fri, Mar 20, 1998	14.41	14.53	14.25	14.50
101	NYSE	DRQ	Thu, Mar 19, 1998	14.38	14.63	14.22	14.38
100	NYSE	DRQ	Wed, Mar 18, 1998	12.50	14.19	12.50	14.13
99	NYSE	DRQ	Tue, Mar 17, 1998	14.44	14.44	13.00	13.06
98	NYSE	DRQ	Mon, Mar 16, 1998	14.84	14.84	14.50	14.50
97	NYSE	DRQ	Fri, Mar 13, 1998	14.91	14.97	14.81	14.81
96	NYSE	DRQ	Thu, Mar 12, 1998	15.31	15.31	14.78	14.91
95	NYSE	DRQ	Wed, Mar 11, 1998	15.50	15.63	15.31	15.31
94	NYSE	DRQ	Tue, Mar 10, 1998	15.13	15.47	14.50	15.34
93	NYSE	DRQ	Mon, Mar 9, 1998	16.31	16.31	15.22	15.25
92	NYSE	DRQ	Fri, Mar 6, 1998	16.56	16.66	16.38	16.47
91	NYSE	DRQ	Thu, Mar 5, 1998	16.13	16.69	16.13	16.56
90	NYSE	DRQ	Wed, Mar 4, 1998	16.06	16.19	16.06	16.13
89	NYSE	DRQ	Tue, Mar 3, 1998	15.38	16.38	15.19	16.19
88	NYSE	DRQ	Mon, Mar 2, 1998	15.16	15.44	15.06	15.38
87	NYSE	DRQ	Fri, Feb 27, 1998	14.25	15.19	14.25	15.06
86	NYSE	DRQ	Thu, Feb 26, 1998	14.00	14.44	13.94	14.28
85	NYSE	DRQ	Wed, Feb 25, 1998	13.25	13.56	13.25	13.56
84	NYSE	DRQ	Tue, Feb 24, 1998	13.84	14.00	13.50	13.50
83	NYSE	DRQ	Mon, Feb 23, 1998	14.31	14.31	13.44	13.88
82	NYSE	DRQ	Fri, Feb 20, 1998	14.50	14.50	14.34	14.41
81	NYSE	DRQ	Thu, Feb 19, 1998	14.88	14.94	14.31	14.53
80	NYSE	DRQ	Wed, Feb 18, 1998	14.44	14.69	14.31	14.69
79	NYSE	DRQ	Tue, Feb 17, 1998	15.13	15.19	14.38	14.44
78	NYSE	DRQ	Fri, Feb 13, 1998	15.88	15.94	15.06	15.13
77	NYSE	DRQ	Thu, Feb 12, 1998	15.56	15.88	15.56	15.88
76	NYSE	DRQ	Wed, Feb 11, 1998	15.75	16.00	15.69	15.69
75	NYSE	DRQ	Tue, Feb 10, 1998	16.00	16.00	15.75	15.75
74	NYSE	DRQ	Mon, Feb 9, 1998	16.50	16.69	16.13	16.13
73	NYSE	DRQ	Fri, Feb 6, 1998	16.25	16.81	15.88	16.50
72	NYSE	DRQ	Thu, Feb 5, 1998	15.00	16.63	15.00	16.25
71	NYSE	DRQ	Wed, Feb 4, 1998	14.38	14.94	14.00	14.94
70	NYSE	DRQ	Tue, Feb 3, 1998	14.44	14.50	14.22	14.25
69	NYSE	DRQ	Mon, Feb 2, 1998	15.00	15.13	14.50	14.50
68	NYSE	DRQ	Fri, Jan 30, 1998	14.50	15.38	14.50	14.81
67	NYSE	DRQ	Thu, Jan 29, 1998	13.38	14.25	13.38	14.16
66	NYSE	DRQ	Wed, Jan 28, 1998	13.06	13.25	12.94	13.06
65	NYSE	DRQ	Tue, Jan 27, 1998	12.75	13.06	12.75	13.03
64	NYSE	DRQ	Mon, Jan 26, 1998	12.69	13.19	12.47	12.69
63	NYSE	DRQ	Fri, Jan 23, 1998	13.06	13.09	12.31	12.63
62	NYSE	DRQ	Thu, Jan 22, 1998	14.00	14.00	12.88	12.88
61	NYSE	DRQ	Wed, Jan 21, 1998	14.53	14.53	14.13	14.34
60	NYSE	DRQ	Tue, Jan 20, 1998	14.13	14.56	13.94	14.41
59	NYSE	DRQ	Fri, Jan 16, 1998	13.34	13.75	13.25	13.72
58	NYSE	DRQ	Thu, Jan 15, 1998	13.44	13.50	13.19	13.22
57	NYSE	DRQ	Wed, Jan 14, 1998	13.06	13.44	12.94	13.13
56	NYSE	DRQ	Tue, Jan 13, 1998	12.00	12.50	12.00	12.50
55	NYSE	DRQ	Mon, Jan 12, 1998	12.13	12.69	11.19	11.69
54	NYSE	DRQ	Fri, Jan 9, 1998	13.63	13.66	12.50	12.88
53	NYSE	DRQ	Thu, Jan 8, 1998	13.88	13.88	13.56	13.75
52	NYSE	DRQ	Wed, Jan 7, 1998	14.13	14.38	13.50	14.00
51	NYSE	DRQ	Tue, Jan 6, 1998	15.56	15.59	13.56	13.94
50	NYSE	DRQ	Mon, Jan 5, 1998	17.09	17.09	15.59	15.69
49	NYSE	DRQ	Fri, Jan 2, 1998	17.31	17.50	17.03	17.19
48	NYSE	DRQ	Wed, Dec 31, 1997	16.19	17.94	16.19	17.56
47	NYSE	DRQ	Tue, Dec 30, 1997	15.75	16.31	15.69	16.06
46	NYSE	DRQ	Mon, Dec 29, 1997	14.63	15.81	14.63	15.75
45	NYSE	DRQ	Fri, Dec 26, 1997	14.94	14.94	14.53	14.69
44	NYSE	DRQ	Wed, Dec 24, 1997	14.75	15.00	14.44	15.00
43	NYSE	DRQ	Tue, Dec 23, 1997	15.16	15.19	14.88	14.88
42	NYSE	DRQ	Mon, Dec 22, 1997	15.50	15.56	15.00	15.13
41	NYSE	DRQ	Fri, Dec 19, 1997	15.81	15.81	15.38	15.56
40	NYSE	DRQ	Thu, Dec 18, 1997	15.66	16.25	15.66	15.94
39	NYSE	DRQ	Wed, Dec 17, 1997	15.75	15.75	15.69	15.72
38	NYSE	DRQ	Tue, Dec 16, 1997	14.75	15.81	14.75	15.38
37	NYSE	DRQ	Mon, Dec 15, 1997	15.25	15.25	14.69	14.75
36	NYSE	DRQ	Fri, Dec 12, 1997	15.13	15.38	15.00	15.25
35	NYSE	DRQ	Thu, Dec 11, 1997	15.75	15.75	14.88	15.03
34	NYSE	DRQ	Wed, Dec 10, 1997	16.19	16.19	16.00	16.00
33	NYSE	DRQ	Tue, Dec 9, 1997	16.50	16.56	16.06	16.19
32	NYSE	DRQ	Mon, Dec 8, 1997	16.94	16.94	16.56	16.69
31	NYSE	DRQ	Fri, Dec 5, 1997	17.00	17.09	16.81	16.81
30	NYSE	DRQ	Thu, Dec 4, 1997	16.69	17.44	16.69	17.09
29	NYSE	DRQ	Wed, Dec 3, 1997	16.25	17.00	16.06	16.56
28	NYSE	DRQ	Tue, Dec 2, 1997	14.50	15.56	14.50	15.38
27	NYSE	DRQ	Mon, Dec 1, 1997	14.97	14.97	13.75	14.53
26	NYSE	DRQ	Fri, Nov 28, 1997	15.03	15.03	14.97	14.97
25	NYSE	DRQ	Wed, Nov 26, 1997	14.75	15.31	14.75	15.03
24	NYSE	DRQ	Tue, Nov 25, 1997	14.94	15.00	14.00	14.69
23	NYSE	DRQ	Mon, Nov 24, 1997	15.63	15.63	14.94	14.94
22	NYSE	DRQ	Fri, Nov 21, 1997	16.06	16.13	15.63	15.63
21	NYSE	DRQ	Thu, Nov 20, 1997	16.00	16.25	15.75	15.97
20	NYSE	DRQ	Wed, Nov 19, 1997	15.22	15.25	14.63	15.19
19	NYSE	DRQ	Tue, Nov 18, 1997	16.75	16.75	15.47	15.59
18	NYSE	DRQ	Mon, Nov 17, 1997	16.81	17.13	16.63	16.75
17	NYSE	DRQ	Fri, Nov 14, 1997	16.81	17.06	16.13	16.50
16	NYSE	DRQ	Thu, Nov 13, 1997	17.25	17.31	15.25	16.56
15	NYSE	DRQ	Wed, Nov 12, 1997	17.56	18.13	17.31	17.31
14	NYSE	DRQ	Tue, Nov 11, 1997	17.81	18.22	17.63	17.69
13	NYSE	DRQ	Mon, Nov 10, 1997	17.75	18.06	17.75	17.81
12	NYSE	DRQ	Fri, Nov 7, 1997	17.50	17.75	17.25	17.75
11	NYSE	DRQ	Thu, Nov 6, 1997	18.31	18.50	17.88	17.94
10	NYSE	DRQ	Wed, Nov 5, 1997	17.38	18.19	17.25	18.19
9	NYSE	DRQ	Tue, Nov 4, 1997	17.69	17.75	17.19	17.63
8	NYSE	DRQ	Mon, Nov 3, 1997	18.06	18.50	17.56	17.75
7	NYSE	DRQ	Fri, Oct 31, 1997	18.81	18.97	17.63	17.94
6	NYSE	DRQ	Thu, Oct 30, 1997	17.63	19.19	17.50	18.63
5	NYSE	DRQ	Wed, Oct 29, 1997	18.00	18.50	17.75	18.50
4	NYSE	DRQ	Tue, Oct 28, 1997	14.88	18.13	14.88	17.44
3	NYSE	DRQ	Mon, Oct 27, 1997	18.88	18.91	15.50	16.50
2	NYSE	DRQ	Fri, Oct 24, 1997	20.00	20.22	18.75	19.00
1	NYSE	DRQ	Thu, Oct 23, 1997	16.00	20.00	15.75	18.50
#	Exchange	Symbol	Date	Open	High	Low	Close

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