Natural Gas Services Group Inc NYSE:NGS Historical Prices

Below are the 5378 trading days of historical prices for NGS.

#	Exchange	Symbol	Date	Open	High	Low	Close
5378	NYSE	NGS	Thu, Mar 7, 2024	17.78	17.96	17.61	17.71
5377	NYSE	NGS	Wed, Mar 6, 2024	17.87	18.36	17.72	17.78
5376	NYSE	NGS	Tue, Mar 5, 2024	17.77	17.99	17.55	17.73
5375	NYSE	NGS	Mon, Mar 4, 2024	17.32	18.00	17.29	17.71
5374	NYSE	NGS	Fri, Mar 1, 2024	16.70	17.47	16.70	17.21
5373	NYSE	NGS	Thu, Feb 29, 2024	16.47	16.90	16.42	16.73
5372	NYSE	NGS	Wed, Feb 28, 2024	16.40	16.87	16.32	16.39
5371	NYSE	NGS	Tue, Feb 27, 2024	16.10	16.61	15.88	16.55
5370	NYSE	NGS	Mon, Feb 26, 2024	15.74	16.29	15.59	16.00
5369	NYSE	NGS	Fri, Feb 23, 2024	15.37	15.94	15.31	15.94
5368	NYSE	NGS	Thu, Feb 22, 2024	16.00	16.00	15.14	15.58
5367	NYSE	NGS	Wed, Feb 21, 2024	15.47	16.41	15.37	16.05
5366	NYSE	NGS	Tue, Feb 20, 2024	15.27	15.89	15.20	15.60
5365	NYSE	NGS	Fri, Feb 16, 2024	15.22	15.58	15.02	15.45
5364	NYSE	NGS	Thu, Feb 15, 2024	14.69	15.30	14.69	15.26
5363	NYSE	NGS	Wed, Feb 14, 2024	14.63	14.79	14.38	14.79
5362	NYSE	NGS	Tue, Feb 13, 2024	15.78	15.78	14.42	14.73
5361	NYSE	NGS	Mon, Feb 12, 2024	14.78	15.42	14.78	15.24
5360	NYSE	NGS	Fri, Feb 9, 2024	14.88	14.99	14.54	14.85
5359	NYSE	NGS	Thu, Feb 8, 2024	14.33	15.00	14.32	14.90
5358	NYSE	NGS	Wed, Feb 7, 2024	14.31	14.54	14.09	14.30
5357	NYSE	NGS	Tue, Feb 6, 2024	14.59	14.78	14.30	14.51
5356	NYSE	NGS	Mon, Feb 5, 2024	14.50	14.54	14.39	14.43
5355	NYSE	NGS	Fri, Feb 2, 2024	14.67	14.81	14.26	14.68
5354	NYSE	NGS	Thu, Feb 1, 2024	14.65	14.93	14.27	14.85
5353	NYSE	NGS	Wed, Jan 31, 2024	15.12	15.12	14.51	14.62
5352	NYSE	NGS	Tue, Jan 30, 2024	15.19	15.47	15.03	15.14
5351	NYSE	NGS	Mon, Jan 29, 2024	15.60	15.60	15.17	15.40
5350	NYSE	NGS	Fri, Jan 26, 2024	15.47	15.53	14.92	15.53
5349	NYSE	NGS	Thu, Jan 25, 2024	15.24	15.58	14.80	15.58
5348	NYSE	NGS	Wed, Jan 24, 2024	14.87	15.02	14.61	15.02
5347	NYSE	NGS	Tue, Jan 23, 2024	15.05	15.36	14.89	14.90
5346	NYSE	NGS	Mon, Jan 22, 2024	14.87	15.34	14.62	15.18
5345	NYSE	NGS	Fri, Jan 19, 2024	14.40	14.86	14.37	14.76
5344	NYSE	NGS	Thu, Jan 18, 2024	13.78	14.26	13.78	14.24
5343	NYSE	NGS	Wed, Jan 17, 2024	13.82	13.99	13.70	13.88
5342	NYSE	NGS	Tue, Jan 16, 2024	14.10	14.27	13.74	14.06
5341	NYSE	NGS	Fri, Jan 12, 2024	14.36	14.57	13.92	14.05
5340	NYSE	NGS	Thu, Jan 11, 2024	14.73	14.73	14.16	14.29
5339	NYSE	NGS	Wed, Jan 10, 2024	15.15	15.17	14.56	14.67
5338	NYSE	NGS	Tue, Jan 9, 2024	15.57	15.57	14.97	15.15
5337	NYSE	NGS	Mon, Jan 8, 2024	15.79	15.79	15.31	15.49
5336	NYSE	NGS	Fri, Jan 5, 2024	15.66	16.13	15.20	15.93
5335	NYSE	NGS	Thu, Jan 4, 2024	15.42	15.71	15.02	15.42
5334	NYSE	NGS	Wed, Jan 3, 2024	15.63	15.63	15.01	15.22
5333	NYSE	NGS	Tue, Jan 2, 2024	16.08	16.08	15.28	15.66
5332	NYSE	NGS	Fri, Dec 29, 2023	16.13	16.44	15.75	16.08
5331	NYSE	NGS	Thu, Dec 28, 2023	15.79	16.19	15.54	15.95
5330	NYSE	NGS	Wed, Dec 27, 2023	14.77	15.92	14.55	15.80
5329	NYSE	NGS	Tue, Dec 26, 2023	14.52	14.80	14.33	14.77
5328	NYSE	NGS	Fri, Dec 22, 2023	14.61	14.84	14.34	14.58
5327	NYSE	NGS	Thu, Dec 21, 2023	14.03	14.76	14.03	14.62
5326	NYSE	NGS	Wed, Dec 20, 2023	14.93	14.93	14.01	14.03
5325	NYSE	NGS	Tue, Dec 19, 2023	14.00	14.51	13.65	14.10
5324	NYSE	NGS	Mon, Dec 18, 2023	12.89	14.10	12.76	13.81
5323	NYSE	NGS	Fri, Dec 15, 2023	12.97	13.51	12.75	12.89
5322	NYSE	NGS	Thu, Dec 14, 2023	13.33	13.70	12.95	12.98
5321	NYSE	NGS	Wed, Dec 13, 2023	12.83	13.63	12.83	13.44
5320	NYSE	NGS	Tue, Dec 12, 2023	13.20	13.60	12.75	12.93
5319	NYSE	NGS	Mon, Dec 11, 2023	13.44	13.97	13.10	13.43
5318	NYSE	NGS	Fri, Dec 8, 2023	13.28	13.75	13.12	13.69
5317	NYSE	NGS	Thu, Dec 7, 2023	13.96	13.96	13.23	13.28
5316	NYSE	NGS	Wed, Dec 6, 2023	14.52	14.54	13.62	13.76
5315	NYSE	NGS	Tue, Dec 5, 2023	15.38	15.38	14.59	14.59
5314	NYSE	NGS	Mon, Dec 4, 2023	15.60	15.78	15.09	15.22
5313	NYSE	NGS	Fri, Dec 1, 2023	15.30	15.73	15.13	15.53
5312	NYSE	NGS	Thu, Nov 30, 2023	15.19	15.40	14.88	15.30
5311	NYSE	NGS	Wed, Nov 29, 2023	15.43	15.65	14.99	15.40
5310	NYSE	NGS	Tue, Nov 28, 2023	15.78	16.00	15.28	15.30
5309	NYSE	NGS	Mon, Nov 27, 2023	15.99	16.22	15.35	15.77
5308	NYSE	NGS	Fri, Nov 24, 2023	14.89	15.95	14.89	15.66
5307	NYSE	NGS	Wed, Nov 22, 2023	14.97	15.63	14.22	15.04
5306	NYSE	NGS	Tue, Nov 21, 2023	15.60	15.79	14.91	15.00
5305	NYSE	NGS	Mon, Nov 20, 2023	15.18	16.00	15.01	15.60
5304	NYSE	NGS	Fri, Nov 17, 2023	15.01	15.32	14.79	14.87
5303	NYSE	NGS	Thu, Nov 16, 2023	15.54	15.88	14.40	14.78
5302	NYSE	NGS	Wed, Nov 15, 2023	14.21	16.25	14.21	15.68
5301	NYSE	NGS	Tue, Nov 14, 2023	14.91	15.60	13.76	13.91
5300	NYSE	NGS	Mon, Nov 13, 2023	14.07	14.72	14.07	14.69
5299	NYSE	NGS	Fri, Nov 10, 2023	14.41	14.45	13.93	14.07
5298	NYSE	NGS	Thu, Nov 9, 2023	13.96	14.30	13.67	14.30
5297	NYSE	NGS	Wed, Nov 8, 2023	13.93	14.03	13.62	13.93
5296	NYSE	NGS	Tue, Nov 7, 2023	14.00	14.26	13.64	13.80
5295	NYSE	NGS	Mon, Nov 6, 2023	14.91	15.00	14.26	14.28
5294	NYSE	NGS	Fri, Nov 3, 2023	14.52	14.93	14.41	14.76
5293	NYSE	NGS	Thu, Nov 2, 2023	14.22	14.79	14.05	14.72
5292	NYSE	NGS	Wed, Nov 1, 2023	14.73	14.91	14.01	14.15
5291	NYSE	NGS	Tue, Oct 31, 2023	14.73	14.81	14.49	14.68
5290	NYSE	NGS	Mon, Oct 30, 2023	14.25	14.75	14.17	14.65
5289	NYSE	NGS	Fri, Oct 27, 2023	13.76	14.27	13.62	14.22
5288	NYSE	NGS	Thu, Oct 26, 2023	14.00	14.12	13.59	13.81
5287	NYSE	NGS	Wed, Oct 25, 2023	14.34	14.71	14.02	14.18
5286	NYSE	NGS	Tue, Oct 24, 2023	14.11	14.46	13.91	14.21
5285	NYSE	NGS	Mon, Oct 23, 2023	14.63	14.63	14.10	14.19
5284	NYSE	NGS	Fri, Oct 20, 2023	14.83	14.89	14.31	14.61
5283	NYSE	NGS	Thu, Oct 19, 2023	14.94	15.23	14.80	14.91
5282	NYSE	NGS	Wed, Oct 18, 2023	15.21	15.30	14.98	15.01
5281	NYSE	NGS	Tue, Oct 17, 2023	14.72	15.20	14.72	14.99
5280	NYSE	NGS	Mon, Oct 16, 2023	14.94	15.00	14.72	14.72
5279	NYSE	NGS	Fri, Oct 13, 2023	14.25	14.88	13.99	14.73
5278	NYSE	NGS	Thu, Oct 12, 2023	14.75	14.96	14.11	14.24
5277	NYSE	NGS	Wed, Oct 11, 2023	14.63	14.76	14.41	14.65
5276	NYSE	NGS	Tue, Oct 10, 2023	14.52	14.72	14.25	14.52
5275	NYSE	NGS	Mon, Oct 9, 2023	13.52	14.63	13.52	14.30
5274	NYSE	NGS	Fri, Oct 6, 2023	13.10	13.70	13.10	13.54
5273	NYSE	NGS	Thu, Oct 5, 2023	13.04	13.35	12.85	13.00
5272	NYSE	NGS	Wed, Oct 4, 2023	13.88	13.88	13.01	13.16
5271	NYSE	NGS	Tue, Oct 3, 2023	13.66	14.04	13.41	13.87
5270	NYSE	NGS	Mon, Oct 2, 2023	14.65	14.68	13.52	13.68
5269	NYSE	NGS	Fri, Sep 29, 2023	14.67	14.99	14.31	14.56
5268	NYSE	NGS	Thu, Sep 28, 2023	15.16	15.39	14.71	14.87
5267	NYSE	NGS	Wed, Sep 27, 2023	14.07	15.29	13.95	15.02
5266	NYSE	NGS	Tue, Sep 26, 2023	13.00	13.95	13.00	13.90
5265	NYSE	NGS	Mon, Sep 25, 2023	12.49	13.08	12.34	12.99
5264	NYSE	NGS	Fri, Sep 22, 2023	12.17	12.50	12.17	12.49
5263	NYSE	NGS	Thu, Sep 21, 2023	12.18	12.28	11.97	12.10
5262	NYSE	NGS	Wed, Sep 20, 2023	11.83	12.15	11.83	12.01
5261	NYSE	NGS	Tue, Sep 19, 2023	11.76	11.99	11.65	11.73
5260	NYSE	NGS	Mon, Sep 18, 2023	11.80	12.00	11.63	11.65
5259	NYSE	NGS	Fri, Sep 15, 2023	11.36	11.69	11.24	11.36
5258	NYSE	NGS	Thu, Sep 14, 2023	11.14	11.50	11.10	11.39
5257	NYSE	NGS	Wed, Sep 13, 2023	11.22	11.30	11.10	11.16
5256	NYSE	NGS	Tue, Sep 12, 2023	11.26	11.29	11.11	11.15
5255	NYSE	NGS	Mon, Sep 11, 2023	11.27	11.50	11.15	11.18
5254	NYSE	NGS	Fri, Sep 8, 2023	10.99	11.26	10.99	11.22
5253	NYSE	NGS	Thu, Sep 7, 2023	10.90	11.18	10.90	11.04
5252	NYSE	NGS	Wed, Sep 6, 2023	11.05	11.29	10.84	10.96
5251	NYSE	NGS	Tue, Sep 5, 2023	10.86	11.15	10.77	11.09
5250	NYSE	NGS	Fri, Sep 1, 2023	11.08	11.26	10.61	10.75
5249	NYSE	NGS	Thu, Aug 31, 2023	10.85	10.97	10.79	10.86
5248	NYSE	NGS	Wed, Aug 30, 2023	10.75	10.91	10.75	10.80
5247	NYSE	NGS	Tue, Aug 29, 2023	10.28	10.86	10.28	10.78
5246	NYSE	NGS	Mon, Aug 28, 2023	10.44	10.45	10.29	10.29
5245	NYSE	NGS	Fri, Aug 25, 2023	10.68	11.02	10.32	10.35
5244	NYSE	NGS	Thu, Aug 24, 2023	10.50	10.85	10.50	10.70
5243	NYSE	NGS	Wed, Aug 23, 2023	10.78	10.78	10.50	10.50
5242	NYSE	NGS	Tue, Aug 22, 2023	10.85	10.95	10.76	10.76
5241	NYSE	NGS	Mon, Aug 21, 2023	10.96	10.99	10.73	10.75
5240	NYSE	NGS	Fri, Aug 18, 2023	10.48	11.03	10.48	10.96
5239	NYSE	NGS	Thu, Aug 17, 2023	10.58	10.61	10.37	10.55
5238	NYSE	NGS	Wed, Aug 16, 2023	10.78	10.78	10.36	10.49
5237	NYSE	NGS	Tue, Aug 15, 2023	10.50	10.89	10.30	10.76
5236	NYSE	NGS	Mon, Aug 14, 2023	10.18	10.47	10.10	10.35
5235	NYSE	NGS	Fri, Aug 11, 2023	10.10	10.35	10.06	10.14
5234	NYSE	NGS	Thu, Aug 10, 2023	10.18	10.28	10.00	10.13
5233	NYSE	NGS	Wed, Aug 9, 2023	10.20	10.28	10.05	10.08
5232	NYSE	NGS	Tue, Aug 8, 2023	10.19	10.26	10.07	10.10
5231	NYSE	NGS	Mon, Aug 7, 2023	10.25	10.46	10.20	10.20
5230	NYSE	NGS	Fri, Aug 4, 2023	10.32	10.42	10.25	10.29
5229	NYSE	NGS	Thu, Aug 3, 2023	10.31	10.33	10.22	10.32
5228	NYSE	NGS	Wed, Aug 2, 2023	10.28	10.51	10.11	10.32
5227	NYSE	NGS	Tue, Aug 1, 2023	10.27	10.41	10.12	10.35
5226	NYSE	NGS	Mon, Jul 31, 2023	10.50	10.60	10.24	10.29
5225	NYSE	NGS	Fri, Jul 28, 2023	10.65	10.65	10.45	10.45
5224	NYSE	NGS	Thu, Jul 27, 2023	10.67	10.70	10.49	10.63
5223	NYSE	NGS	Wed, Jul 26, 2023	10.29	10.64	10.29	10.64
5222	NYSE	NGS	Tue, Jul 25, 2023	10.22	10.37	10.10	10.30
5221	NYSE	NGS	Mon, Jul 24, 2023	10.06	10.39	9.96	10.34
5220	NYSE	NGS	Fri, Jul 21, 2023	10.06	10.17	9.91	10.09
5219	NYSE	NGS	Thu, Jul 20, 2023	9.93	10.12	9.82	10.09
5218	NYSE	NGS	Wed, Jul 19, 2023	10.06	10.07	9.81	9.90
5217	NYSE	NGS	Tue, Jul 18, 2023	9.95	10.09	9.93	9.98
5216	NYSE	NGS	Mon, Jul 17, 2023	9.92	10.31	9.74	9.91
5215	NYSE	NGS	Fri, Jul 14, 2023	9.81	10.02	9.81	9.91
5214	NYSE	NGS	Thu, Jul 13, 2023	10.21	10.30	9.79	9.95
5213	NYSE	NGS	Wed, Jul 12, 2023	10.24	10.36	9.88	10.32
5212	NYSE	NGS	Tue, Jul 11, 2023	10.00	10.43	9.92	10.34
5211	NYSE	NGS	Mon, Jul 10, 2023	10.05	10.17	9.85	9.97
5210	NYSE	NGS	Fri, Jul 7, 2023	9.74	10.07	9.74	10.03
5209	NYSE	NGS	Thu, Jul 6, 2023	10.06	10.06	9.69	9.79
5208	NYSE	NGS	Wed, Jul 5, 2023	9.68	10.15	9.68	10.12
5207	NYSE	NGS	Mon, Jul 3, 2023	9.82	9.82	9.62	9.74
5206	NYSE	NGS	Fri, Jun 30, 2023	9.89	9.96	9.69	9.90
5205	NYSE	NGS	Thu, Jun 29, 2023	9.59	9.89	9.59	9.89
5204	NYSE	NGS	Wed, Jun 28, 2023	9.73	9.73	9.59	9.59
5203	NYSE	NGS	Tue, Jun 27, 2023	9.68	9.82	9.62	9.67
5202	NYSE	NGS	Mon, Jun 26, 2023	9.77	9.83	9.62	9.73
5201	NYSE	NGS	Fri, Jun 23, 2023	9.65	9.82	9.60	9.81
5200	NYSE	NGS	Thu, Jun 22, 2023	9.82	9.91	9.61	9.76
5199	NYSE	NGS	Wed, Jun 21, 2023	9.92	10.08	9.77	9.89
5198	NYSE	NGS	Tue, Jun 20, 2023	9.73	9.92	9.55	9.92
5197	NYSE	NGS	Fri, Jun 16, 2023	9.98	9.99	9.73	9.73
5196	NYSE	NGS	Thu, Jun 15, 2023	9.91	9.98	9.70	9.85
5195	NYSE	NGS	Wed, Jun 14, 2023	10.29	10.29	9.80	9.91
5194	NYSE	NGS	Tue, Jun 13, 2023	10.43	10.63	10.21	10.26
5193	NYSE	NGS	Mon, Jun 12, 2023	9.89	10.31	9.80	10.31
5192	NYSE	NGS	Fri, Jun 9, 2023	10.35	10.62	9.85	10.00
5191	NYSE	NGS	Thu, Jun 8, 2023	11.01	11.01	10.28	10.33
5190	NYSE	NGS	Wed, Jun 7, 2023	10.59	11.11	10.53	11.00
5189	NYSE	NGS	Tue, Jun 6, 2023	10.50	10.76	10.42	10.54
5188	NYSE	NGS	Mon, Jun 5, 2023	10.26	10.53	9.84	10.18
5187	NYSE	NGS	Fri, Jun 2, 2023	9.90	10.20	9.85	10.18
5186	NYSE	NGS	Thu, Jun 1, 2023	10.00	10.10	9.80	9.80
5185	NYSE	NGS	Wed, May 31, 2023	10.26	10.35	9.99	10.10
5184	NYSE	NGS	Tue, May 30, 2023	10.34	10.57	10.23	10.40
5183	NYSE	NGS	Fri, May 26, 2023	10.33	10.57	10.18	10.47
5182	NYSE	NGS	Thu, May 25, 2023	10.37	10.60	10.25	10.25
5181	NYSE	NGS	Wed, May 24, 2023	10.72	10.72	10.36	10.48
5180	NYSE	NGS	Tue, May 23, 2023	10.69	10.91	10.61	10.64
5179	NYSE	NGS	Mon, May 22, 2023	11.00	11.00	10.57	10.69
5178	NYSE	NGS	Fri, May 19, 2023	10.50	11.00	10.46	10.97
5177	NYSE	NGS	Thu, May 18, 2023	10.42	10.68	10.41	10.44
5176	NYSE	NGS	Wed, May 17, 2023	10.67	10.67	10.31	10.40
5175	NYSE	NGS	Tue, May 16, 2023	10.60	10.60	9.95	10.27
5174	NYSE	NGS	Mon, May 15, 2023	10.51	10.58	10.32	10.49
5173	NYSE	NGS	Fri, May 12, 2023	10.20	10.50	10.20	10.43
5172	NYSE	NGS	Thu, May 11, 2023	10.25	10.50	9.90	10.12
5171	NYSE	NGS	Wed, May 10, 2023	10.48	10.62	10.22	10.37
5170	NYSE	NGS	Tue, May 9, 2023	10.38	10.56	10.29	10.56
5169	NYSE	NGS	Mon, May 8, 2023	10.59	10.59	10.23	10.32
5168	NYSE	NGS	Fri, May 5, 2023	10.50	10.55	10.33	10.49
5167	NYSE	NGS	Thu, May 4, 2023	10.31	10.46	10.17	10.31
5166	NYSE	NGS	Wed, May 3, 2023	10.11	10.58	10.11	10.30
5165	NYSE	NGS	Tue, May 2, 2023	10.35	10.35	10.16	10.18
5164	NYSE	NGS	Mon, May 1, 2023	10.30	10.52	10.16	10.47
5163	NYSE	NGS	Fri, Apr 28, 2023	10.42	10.53	10.19	10.30
5162	NYSE	NGS	Thu, Apr 27, 2023	10.25	10.48	10.23	10.35
5161	NYSE	NGS	Wed, Apr 26, 2023	10.46	10.50	10.23	10.30
5160	NYSE	NGS	Tue, Apr 25, 2023	10.62	10.62	10.29	10.41
5159	NYSE	NGS	Mon, Apr 24, 2023	10.93	10.93	10.55	10.55
5158	NYSE	NGS	Fri, Apr 21, 2023	10.85	10.85	10.61	10.67
5157	NYSE	NGS	Thu, Apr 20, 2023	10.65	10.81	10.52	10.81
5156	NYSE	NGS	Wed, Apr 19, 2023	10.47	10.66	10.47	10.64
5155	NYSE	NGS	Tue, Apr 18, 2023	10.60	10.83	10.50	10.50
5154	NYSE	NGS	Mon, Apr 17, 2023	10.82	10.94	10.59	10.60
5153	NYSE	NGS	Fri, Apr 14, 2023	10.95	10.96	10.61	10.86
5152	NYSE	NGS	Thu, Apr 13, 2023	11.01	11.21	10.77	10.95
5151	NYSE	NGS	Wed, Apr 12, 2023	10.89	11.12	10.78	11.06
5150	NYSE	NGS	Tue, Apr 11, 2023	10.75	11.01	10.64	10.75
5149	NYSE	NGS	Mon, Apr 10, 2023	10.71	11.00	10.71	10.76
5148	NYSE	NGS	Thu, Apr 6, 2023	10.52	10.78	10.43	10.66
5147	NYSE	NGS	Wed, Apr 5, 2023	10.36	10.52	10.14	10.38
5146	NYSE	NGS	Tue, Apr 4, 2023	10.68	10.75	10.22	10.35
5145	NYSE	NGS	Mon, Apr 3, 2023	10.52	10.82	10.10	10.55
5144	NYSE	NGS	Fri, Mar 31, 2023	10.20	10.41	9.91	10.31
5143	NYSE	NGS	Thu, Mar 30, 2023	10.41	10.69	9.99	10.10
5142	NYSE	NGS	Wed, Mar 29, 2023	10.25	11.28	10.20	10.26
5141	NYSE	NGS	Tue, Mar 28, 2023	9.69	10.14	9.69	10.12
5140	NYSE	NGS	Mon, Mar 27, 2023	9.85	10.00	9.75	9.75
5139	NYSE	NGS	Fri, Mar 24, 2023	9.66	10.02	9.66	9.82
5138	NYSE	NGS	Thu, Mar 23, 2023	9.98	10.16	9.80	9.90
5137	NYSE	NGS	Wed, Mar 22, 2023	9.67	10.02	9.67	9.93
5136	NYSE	NGS	Tue, Mar 21, 2023	9.57	9.87	9.41	9.68
5135	NYSE	NGS	Mon, Mar 20, 2023	9.42	9.67	9.42	9.49
5134	NYSE	NGS	Fri, Mar 17, 2023	9.90	9.90	9.56	9.59
5133	NYSE	NGS	Thu, Mar 16, 2023	9.79	9.94	9.77	9.92
5132	NYSE	NGS	Wed, Mar 15, 2023	10.28	10.28	9.76	9.82
5131	NYSE	NGS	Tue, Mar 14, 2023	10.33	10.54	10.30	10.45
5130	NYSE	NGS	Mon, Mar 13, 2023	10.50	10.65	10.21	10.44
5129	NYSE	NGS	Fri, Mar 10, 2023	10.90	10.90	10.50	10.58
5128	NYSE	NGS	Thu, Mar 9, 2023	11.00	11.02	10.83	10.89
5127	NYSE	NGS	Wed, Mar 8, 2023	11.21	11.21	10.81	11.02
5126	NYSE	NGS	Tue, Mar 7, 2023	11.03	11.28	11.03	11.21
5125	NYSE	NGS	Mon, Mar 6, 2023	11.20	11.20	10.86	10.86
5124	NYSE	NGS	Fri, Mar 3, 2023	10.79	11.10	10.79	11.08
5123	NYSE	NGS	Thu, Mar 2, 2023	11.21	11.21	10.73	10.85
5122	NYSE	NGS	Wed, Mar 1, 2023	11.00	11.08	10.80	11.00
5121	NYSE	NGS	Tue, Feb 28, 2023	11.03	11.04	10.80	11.00
5120	NYSE	NGS	Mon, Feb 27, 2023	11.08	11.16	10.90	11.06
5119	NYSE	NGS	Fri, Feb 24, 2023	10.98	11.08	10.86	10.97
5118	NYSE	NGS	Thu, Feb 23, 2023	10.97	11.07	10.86	10.97
5117	NYSE	NGS	Wed, Feb 22, 2023	10.61	10.99	10.50	10.84
5116	NYSE	NGS	Tue, Feb 21, 2023	10.80	10.83	10.59	10.61
5115	NYSE	NGS	Fri, Feb 17, 2023	10.84	11.13	10.80	10.83
5114	NYSE	NGS	Thu, Feb 16, 2023	11.16	11.23	10.88	11.00
5113	NYSE	NGS	Wed, Feb 15, 2023	11.26	11.29	11.03	11.22
5112	NYSE	NGS	Tue, Feb 14, 2023	11.09	11.35	11.05	11.26
5111	NYSE	NGS	Mon, Feb 13, 2023	10.98	11.28	10.90	11.23
5110	NYSE	NGS	Fri, Feb 10, 2023	10.90	11.20	10.80	11.14
5109	NYSE	NGS	Thu, Feb 9, 2023	11.18	11.18	10.85	10.87
5108	NYSE	NGS	Wed, Feb 8, 2023	11.11	11.27	10.91	11.18
5107	NYSE	NGS	Tue, Feb 7, 2023	11.07	11.44	10.85	11.25
5106	NYSE	NGS	Mon, Feb 6, 2023	11.13	11.13	10.73	10.92
5105	NYSE	NGS	Fri, Feb 3, 2023	11.46	11.46	10.94	11.02
5104	NYSE	NGS	Thu, Feb 2, 2023	11.72	11.72	11.25	11.36
5103	NYSE	NGS	Wed, Feb 1, 2023	11.53	11.78	11.50	11.66
5102	NYSE	NGS	Tue, Jan 31, 2023	11.75	11.83	11.38	11.45
5101	NYSE	NGS	Mon, Jan 30, 2023	11.84	11.84	11.65	11.73
5100	NYSE	NGS	Fri, Jan 27, 2023	11.53	11.87	11.53	11.79
5099	NYSE	NGS	Thu, Jan 26, 2023	11.48	11.67	11.29	11.59
5098	NYSE	NGS	Wed, Jan 25, 2023	11.47	11.47	11.29	11.45
5097	NYSE	NGS	Tue, Jan 24, 2023	11.48	11.63	11.26	11.49
5096	NYSE	NGS	Mon, Jan 23, 2023	11.40	11.45	11.24	11.33
5095	NYSE	NGS	Fri, Jan 20, 2023	11.41	11.46	11.25	11.41
5094	NYSE	NGS	Thu, Jan 19, 2023	11.52	11.52	11.15	11.42
5093	NYSE	NGS	Wed, Jan 18, 2023	12.24	12.24	11.45	11.55
5092	NYSE	NGS	Tue, Jan 17, 2023	12.40	12.45	12.17	12.26
5091	NYSE	NGS	Fri, Jan 13, 2023	12.03	12.52	12.03	12.47
5090	NYSE	NGS	Thu, Jan 12, 2023	12.25	12.42	12.10	12.22
5089	NYSE	NGS	Wed, Jan 11, 2023	12.46	12.59	12.06	12.23
5088	NYSE	NGS	Tue, Jan 10, 2023	12.23	12.67	12.06	12.51
5087	NYSE	NGS	Mon, Jan 9, 2023	12.02	12.46	12.01	12.23
5086	NYSE	NGS	Fri, Jan 6, 2023	11.59	12.17	11.59	11.85
5085	NYSE	NGS	Thu, Jan 5, 2023	11.30	11.76	11.02	11.58
5084	NYSE	NGS	Wed, Jan 4, 2023	11.15	11.53	11.08	11.20
5083	NYSE	NGS	Tue, Jan 3, 2023	11.66	11.87	11.09	11.21
5082	NYSE	NGS	Fri, Dec 30, 2022	11.25	11.98	11.25	11.46
5081	NYSE	NGS	Thu, Dec 29, 2022	11.12	11.30	10.90	11.00
5080	NYSE	NGS	Wed, Dec 28, 2022	11.04	11.19	10.99	11.03
5079	NYSE	NGS	Tue, Dec 27, 2022	11.27	11.33	11.00	11.06
5078	NYSE	NGS	Fri, Dec 23, 2022	11.28	11.30	10.88	11.09
5077	NYSE	NGS	Thu, Dec 22, 2022	10.95	11.30	10.80	11.14
5076	NYSE	NGS	Wed, Dec 21, 2022	11.25	11.32	10.75	11.03
5075	NYSE	NGS	Tue, Dec 20, 2022	11.47	11.47	11.10	11.18
5074	NYSE	NGS	Mon, Dec 19, 2022	11.28	11.67	11.28	11.53
5073	NYSE	NGS	Fri, Dec 16, 2022	11.34	11.72	11.15	11.27
5072	NYSE	NGS	Thu, Dec 15, 2022	11.50	11.71	11.10	11.40
5071	NYSE	NGS	Wed, Dec 14, 2022	11.60	11.80	11.31	11.59
5070	NYSE	NGS	Tue, Dec 13, 2022	11.34	11.70	11.22	11.55
5069	NYSE	NGS	Mon, Dec 12, 2022	11.14	11.30	11.08	11.17
5068	NYSE	NGS	Fri, Dec 9, 2022	11.33	11.90	11.11	11.13
5067	NYSE	NGS	Thu, Dec 8, 2022	11.00	11.64	10.97	11.33
5066	NYSE	NGS	Wed, Dec 7, 2022	10.99	11.14	10.76	10.89
5065	NYSE	NGS	Tue, Dec 6, 2022	10.95	11.08	10.78	10.83
5064	NYSE	NGS	Mon, Dec 5, 2022	11.12	11.18	10.85	10.96
5063	NYSE	NGS	Fri, Dec 2, 2022	10.87	11.33	10.87	11.00
5062	NYSE	NGS	Thu, Dec 1, 2022	11.21	11.35	10.91	11.00
5061	NYSE	NGS	Wed, Nov 30, 2022	11.16	11.38	10.86	11.05
5060	NYSE	NGS	Tue, Nov 29, 2022	10.66	11.13	10.66	11.00
5059	NYSE	NGS	Mon, Nov 28, 2022	11.07	11.07	10.35	10.41
5058	NYSE	NGS	Fri, Nov 25, 2022	10.57	11.36	10.57	11.08
5057	NYSE	NGS	Wed, Nov 23, 2022	10.69	10.84	10.46	10.60
5056	NYSE	NGS	Tue, Nov 22, 2022	10.50	10.75	10.40	10.68
5055	NYSE	NGS	Mon, Nov 21, 2022	10.21	10.65	10.19	10.35
5054	NYSE	NGS	Fri, Nov 18, 2022	10.35	10.55	10.16	10.25
5053	NYSE	NGS	Thu, Nov 17, 2022	10.91	10.91	10.36	10.38
5052	NYSE	NGS	Wed, Nov 16, 2022	11.10	11.23	10.71	10.89
5051	NYSE	NGS	Tue, Nov 15, 2022	12.01	12.36	10.97	11.11
5050	NYSE	NGS	Mon, Nov 14, 2022	11.81	12.38	11.55	12.34
5049	NYSE	NGS	Fri, Nov 11, 2022	12.00	12.00	11.75	11.81
5048	NYSE	NGS	Thu, Nov 10, 2022	11.83	12.04	11.51	12.01
5047	NYSE	NGS	Wed, Nov 9, 2022	11.22	11.64	10.80	11.64
5046	NYSE	NGS	Tue, Nov 8, 2022	11.23	11.36	11.00	11.29
5045	NYSE	NGS	Mon, Nov 7, 2022	11.15	11.35	11.08	11.27
5044	NYSE	NGS	Fri, Nov 4, 2022	11.34	11.55	10.90	11.05
5043	NYSE	NGS	Thu, Nov 3, 2022	11.08	11.12	10.50	11.08
5042	NYSE	NGS	Wed, Nov 2, 2022	11.27	11.83	10.89	11.05
5041	NYSE	NGS	Tue, Nov 1, 2022	11.77	11.77	11.18	11.37
5040	NYSE	NGS	Mon, Oct 31, 2022	10.90	11.89	10.90	11.50
5039	NYSE	NGS	Fri, Oct 28, 2022	10.91	11.28	10.67	11.05
5038	NYSE	NGS	Thu, Oct 27, 2022	10.97	11.21	10.79	10.91
5037	NYSE	NGS	Wed, Oct 26, 2022	10.75	11.14	10.56	10.86
5036	NYSE	NGS	Tue, Oct 25, 2022	10.60	10.80	10.48	10.75
5035	NYSE	NGS	Mon, Oct 24, 2022	10.21	10.75	10.18	10.64
5034	NYSE	NGS	Fri, Oct 21, 2022	10.23	10.41	10.20	10.34
5033	NYSE	NGS	Thu, Oct 20, 2022	10.36	10.49	10.26	10.33
5032	NYSE	NGS	Wed, Oct 19, 2022	10.12	10.61	10.03	10.24
5031	NYSE	NGS	Tue, Oct 18, 2022	10.30	10.36	10.00	10.01
5030	NYSE	NGS	Mon, Oct 17, 2022	10.10	10.29	10.03	10.19
5029	NYSE	NGS	Fri, Oct 14, 2022	10.25	10.29	10.00	10.00
5028	NYSE	NGS	Thu, Oct 13, 2022	10.12	10.43	10.12	10.25
5027	NYSE	NGS	Wed, Oct 12, 2022	10.22	10.44	10.12	10.12
5026	NYSE	NGS	Tue, Oct 11, 2022	10.02	10.44	9.99	10.14
5025	NYSE	NGS	Mon, Oct 10, 2022	10.73	10.73	10.00	10.07
5024	NYSE	NGS	Fri, Oct 7, 2022	11.01	11.09	10.57	10.71
5023	NYSE	NGS	Thu, Oct 6, 2022	10.76	11.54	10.73	10.96
5022	NYSE	NGS	Wed, Oct 5, 2022	10.62	10.70	10.57	10.66
5021	NYSE	NGS	Tue, Oct 4, 2022	10.56	10.56	10.26	10.45
5020	NYSE	NGS	Mon, Oct 3, 2022	10.25	10.56	10.02	10.43
5019	NYSE	NGS	Fri, Sep 30, 2022	10.08	10.21	10.00	10.04
5018	NYSE	NGS	Thu, Sep 29, 2022	10.41	10.41	9.93	10.05
5017	NYSE	NGS	Wed, Sep 28, 2022	9.97	10.47	9.97	10.41
5016	NYSE	NGS	Tue, Sep 27, 2022	10.19	10.19	9.91	10.03
5015	NYSE	NGS	Mon, Sep 26, 2022	9.88	10.31	9.88	10.07
5014	NYSE	NGS	Fri, Sep 23, 2022	10.09	10.21	9.86	10.12
5013	NYSE	NGS	Thu, Sep 22, 2022	10.32	10.32	10.09	10.25
5012	NYSE	NGS	Wed, Sep 21, 2022	9.94	10.57	9.94	10.30
5011	NYSE	NGS	Tue, Sep 20, 2022	10.27	10.36	10.05	10.23
5010	NYSE	NGS	Mon, Sep 19, 2022	10.14	10.35	10.02	10.27
5009	NYSE	NGS	Fri, Sep 16, 2022	9.90	10.37	9.83	10.28
5008	NYSE	NGS	Thu, Sep 15, 2022	9.98	9.98	9.72	9.92
5007	NYSE	NGS	Wed, Sep 14, 2022	10.07	10.31	9.87	9.91
5006	NYSE	NGS	Tue, Sep 13, 2022	10.05	10.36	9.98	10.00
5005	NYSE	NGS	Mon, Sep 12, 2022	10.25	10.34	10.10	10.10
5004	NYSE	NGS	Fri, Sep 9, 2022	10.04	10.34	9.97	10.20
5003	NYSE	NGS	Thu, Sep 8, 2022	10.04	10.20	9.91	9.95
5002	NYSE	NGS	Wed, Sep 7, 2022	10.36	10.36	9.90	10.00
5001	NYSE	NGS	Tue, Sep 6, 2022	10.63	10.73	10.30	10.50
5000	NYSE	NGS	Fri, Sep 2, 2022	10.58	10.82	10.26	10.63
4999	NYSE	NGS	Thu, Sep 1, 2022	11.09	11.37	10.33	10.46
4998	NYSE	NGS	Wed, Aug 31, 2022	11.30	11.51	11.03	11.13
4997	NYSE	NGS	Tue, Aug 30, 2022	11.94	12.00	11.25	11.31
4996	NYSE	NGS	Mon, Aug 29, 2022	11.88	12.15	11.88	12.03
4995	NYSE	NGS	Fri, Aug 26, 2022	11.83	12.00	11.46	11.74
4994	NYSE	NGS	Thu, Aug 25, 2022	11.73	11.88	11.65	11.65
4993	NYSE	NGS	Wed, Aug 24, 2022	11.66	11.79	11.49	11.73
4992	NYSE	NGS	Tue, Aug 23, 2022	11.89	12.45	11.42	11.54
4991	NYSE	NGS	Mon, Aug 22, 2022	10.51	11.77	10.36	11.72
4990	NYSE	NGS	Fri, Aug 19, 2022	10.20	10.47	10.07	10.47
4989	NYSE	NGS	Thu, Aug 18, 2022	10.31	10.58	10.12	10.32
4988	NYSE	NGS	Wed, Aug 17, 2022	10.14	10.52	10.02	10.25
4987	NYSE	NGS	Tue, Aug 16, 2022	10.04	10.29	9.76	10.14
4986	NYSE	NGS	Mon, Aug 15, 2022	9.75	10.02	9.70	9.77
4985	NYSE	NGS	Fri, Aug 12, 2022	10.09	10.10	9.97	10.04
4984	NYSE	NGS	Thu, Aug 11, 2022	9.96	10.12	9.96	10.09
4983	NYSE	NGS	Wed, Aug 10, 2022	9.95	10.08	9.71	9.99
4982	NYSE	NGS	Tue, Aug 9, 2022	10.00	10.12	9.92	9.92
4981	NYSE	NGS	Mon, Aug 8, 2022	9.76	10.17	9.76	9.99
4980	NYSE	NGS	Fri, Aug 5, 2022	9.66	9.98	9.62	9.88
4979	NYSE	NGS	Thu, Aug 4, 2022	9.85	9.90	9.60	9.73
4978	NYSE	NGS	Wed, Aug 3, 2022	9.84	9.90	9.52	9.89
4977	NYSE	NGS	Tue, Aug 2, 2022	9.76	10.08	9.70	9.85
4976	NYSE	NGS	Mon, Aug 1, 2022	10.13	10.15	9.65	9.73
4975	NYSE	NGS	Fri, Jul 29, 2022	9.95	10.18	9.95	10.05
4974	NYSE	NGS	Thu, Jul 28, 2022	10.28	10.28	9.93	9.95
4973	NYSE	NGS	Wed, Jul 27, 2022	10.12	10.33	9.98	10.21
4972	NYSE	NGS	Tue, Jul 26, 2022	10.26	10.30	9.90	9.91
4971	NYSE	NGS	Mon, Jul 25, 2022	9.89	10.30	9.89	10.08
4970	NYSE	NGS	Fri, Jul 22, 2022	10.09	10.16	9.88	10.02
4969	NYSE	NGS	Thu, Jul 21, 2022	10.40	10.46	9.90	9.95
4968	NYSE	NGS	Wed, Jul 20, 2022	10.89	11.01	10.39	10.60
4967	NYSE	NGS	Tue, Jul 19, 2022	10.69	10.96	10.60	10.85
4966	NYSE	NGS	Mon, Jul 18, 2022	9.89	10.68	9.89	10.58
4965	NYSE	NGS	Fri, Jul 15, 2022	9.63	10.02	9.63	9.95
4964	NYSE	NGS	Thu, Jul 14, 2022	9.80	10.04	9.53	9.64
4963	NYSE	NGS	Wed, Jul 13, 2022	9.30	9.93	9.30	9.93
4962	NYSE	NGS	Tue, Jul 12, 2022	9.57	9.58	9.11	9.33
4961	NYSE	NGS	Mon, Jul 11, 2022	9.98	9.98	9.59	9.62
4960	NYSE	NGS	Fri, Jul 8, 2022	10.05	10.10	9.86	9.95
4959	NYSE	NGS	Thu, Jul 7, 2022	9.69	10.00	9.33	9.86
4958	NYSE	NGS	Wed, Jul 6, 2022	9.96	10.04	9.22	9.67
4957	NYSE	NGS	Tue, Jul 5, 2022	10.76	10.76	9.85	9.99
4956	NYSE	NGS	Fri, Jul 1, 2022	10.99	11.06	10.56	10.60
4955	NYSE	NGS	Thu, Jun 30, 2022	11.45	11.66	10.95	11.00
4954	NYSE	NGS	Wed, Jun 29, 2022	12.05	12.12	11.61	11.61
4953	NYSE	NGS	Tue, Jun 28, 2022	11.98	12.18	11.84	11.89
4952	NYSE	NGS	Mon, Jun 27, 2022	12.14	12.24	11.86	12.00
4951	NYSE	NGS	Fri, Jun 24, 2022	12.20	12.73	11.90	11.90
4950	NYSE	NGS	Thu, Jun 23, 2022	12.80	13.13	12.09	12.20
4949	NYSE	NGS	Wed, Jun 22, 2022	13.04	13.18	12.71	12.81
4948	NYSE	NGS	Tue, Jun 21, 2022	12.64	13.32	12.53	13.22
4947	NYSE	NGS	Fri, Jun 17, 2022	12.68	12.90	12.59	12.83
4946	NYSE	NGS	Thu, Jun 16, 2022	12.85	13.00	12.42	12.73
4945	NYSE	NGS	Wed, Jun 15, 2022	12.99	13.06	12.86	12.99
4944	NYSE	NGS	Tue, Jun 14, 2022	13.88	13.88	13.00	13.00
4943	NYSE	NGS	Mon, Jun 13, 2022	14.07	14.38	13.90	13.90
4942	NYSE	NGS	Fri, Jun 10, 2022	14.07	14.39	13.88	14.09
4941	NYSE	NGS	Thu, Jun 9, 2022	14.52	14.57	14.05	14.24
4940	NYSE	NGS	Wed, Jun 8, 2022	14.64	14.67	14.36	14.52
4939	NYSE	NGS	Tue, Jun 7, 2022	14.89	15.00	14.52	14.69
4938	NYSE	NGS	Mon, Jun 6, 2022	14.82	14.95	14.82	14.90
4937	NYSE	NGS	Fri, Jun 3, 2022	14.80	14.86	14.42	14.77
4936	NYSE	NGS	Thu, Jun 2, 2022	14.84	14.98	14.73	14.86
4935	NYSE	NGS	Wed, Jun 1, 2022	14.39	14.99	14.36	14.63
4934	NYSE	NGS	Tue, May 31, 2022	14.09	14.25	13.91	14.25
4933	NYSE	NGS	Fri, May 27, 2022	13.93	14.10	13.72	13.95
4932	NYSE	NGS	Thu, May 26, 2022	13.44	13.96	13.42	13.79
4931	NYSE	NGS	Wed, May 25, 2022	13.32	13.55	13.32	13.48
4930	NYSE	NGS	Tue, May 24, 2022	12.86	13.30	12.86	13.23
4929	NYSE	NGS	Mon, May 23, 2022	12.94	13.00	12.80	12.95
4928	NYSE	NGS	Fri, May 20, 2022	12.78	12.89	12.50	12.50
4927	NYSE	NGS	Thu, May 19, 2022	12.80	12.99	12.41	12.82
4926	NYSE	NGS	Wed, May 18, 2022	12.70	12.98	12.49	12.85
4925	NYSE	NGS	Tue, May 17, 2022	12.78	13.00	12.23	12.52
4924	NYSE	NGS	Mon, May 16, 2022	12.00	12.20	12.00	12.10
4923	NYSE	NGS	Fri, May 13, 2022	11.31	12.18	11.31	11.93
4922	NYSE	NGS	Thu, May 12, 2022	11.95	12.25	11.78	11.91
4921	NYSE	NGS	Wed, May 11, 2022	12.21	12.43	11.99	12.10
4920	NYSE	NGS	Tue, May 10, 2022	12.05	12.36	11.69	11.83
4919	NYSE	NGS	Mon, May 9, 2022	12.23	12.31	11.79	11.92
4918	NYSE	NGS	Fri, May 6, 2022	12.56	12.74	12.28	12.30
4917	NYSE	NGS	Thu, May 5, 2022	12.17	12.61	12.17	12.50
4916	NYSE	NGS	Wed, May 4, 2022	12.39	12.39	12.09	12.10
4915	NYSE	NGS	Tue, May 3, 2022	12.49	12.66	12.19	12.21
4914	NYSE	NGS	Mon, May 2, 2022	12.22	12.65	11.75	12.35
4913	NYSE	NGS	Fri, Apr 29, 2022	12.40	12.51	12.11	12.28
4912	NYSE	NGS	Thu, Apr 28, 2022	12.05	12.42	11.82	12.32
4911	NYSE	NGS	Wed, Apr 27, 2022	11.86	12.32	11.81	12.12
4910	NYSE	NGS	Tue, Apr 26, 2022	12.40	12.40	11.87	11.87
4909	NYSE	NGS	Mon, Apr 25, 2022	12.86	12.98	11.87	11.98
4908	NYSE	NGS	Fri, Apr 22, 2022	13.37	13.40	13.00	13.04
4907	NYSE	NGS	Thu, Apr 21, 2022	13.11	13.39	13.05	13.36
4906	NYSE	NGS	Wed, Apr 20, 2022	13.07	13.23	12.89	13.23
4905	NYSE	NGS	Tue, Apr 19, 2022	13.94	14.06	12.94	13.08
4904	NYSE	NGS	Mon, Apr 18, 2022	13.82	14.23	13.65	13.94
4903	NYSE	NGS	Thu, Apr 14, 2022	12.90	13.54	12.90	13.54
4902	NYSE	NGS	Wed, Apr 13, 2022	12.58	12.90	12.35	12.89
4901	NYSE	NGS	Tue, Apr 12, 2022	11.84	12.53	11.84	12.21
4900	NYSE	NGS	Mon, Apr 11, 2022	11.80	11.98	11.62	11.85
4899	NYSE	NGS	Fri, Apr 8, 2022	11.36	12.00	11.34	11.85
4898	NYSE	NGS	Thu, Apr 7, 2022	11.42	11.73	11.25	11.33
4897	NYSE	NGS	Wed, Apr 6, 2022	11.54	11.62	11.25	11.37
4896	NYSE	NGS	Tue, Apr 5, 2022	11.69	11.94	11.49	11.62
4895	NYSE	NGS	Mon, Apr 4, 2022	11.89	12.00	11.70	11.70
4894	NYSE	NGS	Fri, Apr 1, 2022	11.97	12.00	11.70	11.80
4893	NYSE	NGS	Thu, Mar 31, 2022	11.80	12.00	11.75	11.91
4892	NYSE	NGS	Wed, Mar 30, 2022	11.61	11.95	11.60	11.67
4891	NYSE	NGS	Tue, Mar 29, 2022	11.87	12.18	11.70	11.86
4890	NYSE	NGS	Mon, Mar 28, 2022	12.72	12.88	11.95	11.95
4889	NYSE	NGS	Fri, Mar 25, 2022	12.08	12.91	11.98	12.68
4888	NYSE	NGS	Thu, Mar 24, 2022	11.59	11.96	11.59	11.89
4887	NYSE	NGS	Wed, Mar 23, 2022	11.56	11.74	11.30	11.67
4886	NYSE	NGS	Tue, Mar 22, 2022	11.21	12.00	11.13	11.39
4885	NYSE	NGS	Mon, Mar 21, 2022	11.25	11.63	11.09	11.38
4884	NYSE	NGS	Fri, Mar 18, 2022	10.85	11.39	10.68	11.14
4883	NYSE	NGS	Thu, Mar 17, 2022	11.49	11.49	10.85	10.85
4882	NYSE	NGS	Wed, Mar 16, 2022	11.91	12.24	11.62	11.73
4881	NYSE	NGS	Tue, Mar 15, 2022	11.80	11.84	11.53	11.71
4880	NYSE	NGS	Mon, Mar 14, 2022	12.38	12.50	11.80	11.82
4879	NYSE	NGS	Fri, Mar 11, 2022	12.96	13.29	12.50	12.55
4878	NYSE	NGS	Thu, Mar 10, 2022	12.60	12.98	12.60	12.91
4877	NYSE	NGS	Wed, Mar 9, 2022	12.58	12.78	12.56	12.68
4876	NYSE	NGS	Tue, Mar 8, 2022	12.64	13.13	12.64	12.80
4875	NYSE	NGS	Mon, Mar 7, 2022	12.56	13.09	12.47	12.64
4874	NYSE	NGS	Fri, Mar 4, 2022	12.61	12.88	12.59	12.59
4873	NYSE	NGS	Thu, Mar 3, 2022	13.48	13.61	12.64	12.73
4872	NYSE	NGS	Wed, Mar 2, 2022	13.50	14.04	13.32	13.80
4871	NYSE	NGS	Tue, Mar 1, 2022	12.77	13.38	12.60	13.29
4870	NYSE	NGS	Mon, Feb 28, 2022	12.61	12.70	12.39	12.58
4869	NYSE	NGS	Fri, Feb 25, 2022	12.21	12.60	12.12	12.34
4868	NYSE	NGS	Thu, Feb 24, 2022	12.43	12.50	11.95	12.05
4867	NYSE	NGS	Wed, Feb 23, 2022	11.80	12.10	11.64	11.95
4866	NYSE	NGS	Tue, Feb 22, 2022	11.97	11.97	11.64	11.64
4865	NYSE	NGS	Fri, Feb 18, 2022	11.84	11.95	11.62	11.70
4864	NYSE	NGS	Thu, Feb 17, 2022	11.74	12.00	11.69	11.74
4863	NYSE	NGS	Wed, Feb 16, 2022	11.87	11.98	11.58	11.74
4862	NYSE	NGS	Tue, Feb 15, 2022	11.40	11.99	11.35	11.69
4861	NYSE	NGS	Mon, Feb 14, 2022	11.44	11.63	11.20	11.36
4860	NYSE	NGS	Fri, Feb 11, 2022	11.46	11.69	11.37	11.52
4859	NYSE	NGS	Thu, Feb 10, 2022	11.32	11.56	11.06	11.36
4858	NYSE	NGS	Wed, Feb 9, 2022	11.47	11.55	11.03	11.21
4857	NYSE	NGS	Tue, Feb 8, 2022	11.66	11.66	11.20	11.55
4856	NYSE	NGS	Mon, Feb 7, 2022	11.36	11.66	11.18	11.66
4855	NYSE	NGS	Fri, Feb 4, 2022	11.03	11.50	10.82	11.31
4854	NYSE	NGS	Thu, Feb 3, 2022	11.24	11.32	10.90	11.14
4853	NYSE	NGS	Wed, Feb 2, 2022	10.69	11.44	10.69	11.22
4852	NYSE	NGS	Tue, Feb 1, 2022	10.74	11.11	10.53	10.90
4851	NYSE	NGS	Mon, Jan 31, 2022	10.79	10.90	10.42	10.77
4850	NYSE	NGS	Fri, Jan 28, 2022	10.53	10.87	10.53	10.68
4849	NYSE	NGS	Thu, Jan 27, 2022	11.32	11.35	10.36	10.37
4848	NYSE	NGS	Wed, Jan 26, 2022	10.89	11.44	10.88	10.94
4847	NYSE	NGS	Tue, Jan 25, 2022	10.17	10.75	10.11	10.52
4846	NYSE	NGS	Mon, Jan 24, 2022	10.10	10.40	9.84	10.18
4845	NYSE	NGS	Fri, Jan 21, 2022	10.50	10.79	10.13	10.26
4844	NYSE	NGS	Thu, Jan 20, 2022	10.80	11.17	10.70	10.79
4843	NYSE	NGS	Wed, Jan 19, 2022	10.83	10.83	10.56	10.69
4842	NYSE	NGS	Tue, Jan 18, 2022	11.24	11.25	10.64	10.64
4841	NYSE	NGS	Fri, Jan 14, 2022	11.19	11.50	10.84	11.39
4840	NYSE	NGS	Thu, Jan 13, 2022	11.39	11.50	11.26	11.43
4839	NYSE	NGS	Wed, Jan 12, 2022	11.49	11.67	10.91	11.41
4838	NYSE	NGS	Tue, Jan 11, 2022	10.60	11.48	10.60	11.38
4837	NYSE	NGS	Mon, Jan 10, 2022	10.82	10.89	10.60	10.79
4836	NYSE	NGS	Fri, Jan 7, 2022	10.64	10.91	10.64	10.81
4835	NYSE	NGS	Thu, Jan 6, 2022	10.89	10.89	10.60	10.61
4834	NYSE	NGS	Wed, Jan 5, 2022	10.72	10.99	10.31	10.71
4833	NYSE	NGS	Tue, Jan 4, 2022	10.42	10.86	10.27	10.55
4832	NYSE	NGS	Mon, Jan 3, 2022	10.48	10.55	10.20	10.45
4831	NYSE	NGS	Fri, Dec 31, 2021	10.32	10.54	10.13	10.47
4830	NYSE	NGS	Thu, Dec 30, 2021	10.61	10.76	10.28	10.30
4829	NYSE	NGS	Wed, Dec 29, 2021	10.38	10.71	10.35	10.58
4828	NYSE	NGS	Tue, Dec 28, 2021	10.36	10.74	10.27	10.27
4827	NYSE	NGS	Mon, Dec 27, 2021	10.46	10.62	10.20	10.21
4826	NYSE	NGS	Thu, Dec 23, 2021	10.68	10.90	10.45	10.60
4825	NYSE	NGS	Wed, Dec 22, 2021	10.54	10.92	10.45	10.60
4824	NYSE	NGS	Tue, Dec 21, 2021	10.18	10.73	9.73	10.57
4823	NYSE	NGS	Mon, Dec 20, 2021	9.83	10.22	9.56	10.05
4822	NYSE	NGS	Fri, Dec 17, 2021	9.90	10.12	9.57	10.01
4821	NYSE	NGS	Thu, Dec 16, 2021	10.06	10.11	9.87	10.05
4820	NYSE	NGS	Wed, Dec 15, 2021	9.84	10.16	9.51	9.95
4819	NYSE	NGS	Tue, Dec 14, 2021	9.90	10.43	9.53	9.98
4818	NYSE	NGS	Mon, Dec 13, 2021	10.20	10.33	9.90	9.97
4817	NYSE	NGS	Fri, Dec 10, 2021	10.45	10.45	10.23	10.35
4816	NYSE	NGS	Thu, Dec 9, 2021	10.70	10.99	10.26	10.26
4815	NYSE	NGS	Wed, Dec 8, 2021	10.97	11.05	10.58	10.72
4814	NYSE	NGS	Tue, Dec 7, 2021	10.59	11.15	10.56	10.88
4813	NYSE	NGS	Mon, Dec 6, 2021	10.39	10.91	10.28	10.54
4812	NYSE	NGS	Fri, Dec 3, 2021	10.85	11.09	10.31	10.31
4811	NYSE	NGS	Thu, Dec 2, 2021	10.34	11.24	10.34	10.63
4810	NYSE	NGS	Wed, Dec 1, 2021	10.75	10.97	10.20	10.49
4809	NYSE	NGS	Tue, Nov 30, 2021	11.12	11.12	10.65	10.66
4808	NYSE	NGS	Mon, Nov 29, 2021	11.58	11.58	11.21	11.28
4807	NYSE	NGS	Fri, Nov 26, 2021	10.84	11.59	10.75	11.36
4806	NYSE	NGS	Wed, Nov 24, 2021	11.16	11.27	10.88	11.19
4805	NYSE	NGS	Tue, Nov 23, 2021	11.38	11.42	11.02	11.22
4804	NYSE	NGS	Mon, Nov 22, 2021	10.90	11.28	10.90	11.11
4803	NYSE	NGS	Fri, Nov 19, 2021	11.09	11.34	10.76	10.88
4802	NYSE	NGS	Thu, Nov 18, 2021	10.88	11.56	10.67	11.41
4801	NYSE	NGS	Wed, Nov 17, 2021	11.62	11.69	10.75	10.84
4800	NYSE	NGS	Tue, Nov 16, 2021	11.72	11.96	11.50	11.67
4799	NYSE	NGS	Mon, Nov 15, 2021	11.83	11.97	11.74	11.80
4798	NYSE	NGS	Fri, Nov 12, 2021	12.50	12.60	11.79	11.83
4797	NYSE	NGS	Thu, Nov 11, 2021	12.61	12.74	12.39	12.51
4796	NYSE	NGS	Wed, Nov 10, 2021	12.30	12.44	12.07	12.34
4795	NYSE	NGS	Tue, Nov 9, 2021	12.63	12.76	12.24	12.47
4794	NYSE	NGS	Mon, Nov 8, 2021	12.50	12.64	12.18	12.64
4793	NYSE	NGS	Fri, Nov 5, 2021	11.83	12.50	11.65	12.44
4792	NYSE	NGS	Thu, Nov 4, 2021	11.79	11.98	11.63	11.74
4791	NYSE	NGS	Wed, Nov 3, 2021	11.68	11.99	11.68	11.79
4790	NYSE	NGS	Tue, Nov 2, 2021	11.56	11.83	11.56	11.68
4789	NYSE	NGS	Mon, Nov 1, 2021	11.42	11.71	11.31	11.50
4788	NYSE	NGS	Fri, Oct 29, 2021	11.54	11.62	11.36	11.37
4787	NYSE	NGS	Thu, Oct 28, 2021	11.45	11.57	11.33	11.40
4786	NYSE	NGS	Wed, Oct 27, 2021	11.59	11.65	11.43	11.45
4785	NYSE	NGS	Tue, Oct 26, 2021	11.84	11.97	11.59	11.73
4784	NYSE	NGS	Mon, Oct 25, 2021	11.36	12.10	11.36	11.75
4783	NYSE	NGS	Fri, Oct 22, 2021	11.96	11.96	11.11	11.31
4782	NYSE	NGS	Thu, Oct 21, 2021	12.48	12.66	11.96	11.98
4781	NYSE	NGS	Wed, Oct 20, 2021	12.80	12.80	12.38	12.51
4780	NYSE	NGS	Tue, Oct 19, 2021	12.86	12.90	12.73	12.82
4779	NYSE	NGS	Mon, Oct 18, 2021	12.64	12.90	12.57	12.69
4778	NYSE	NGS	Fri, Oct 15, 2021	12.60	12.94	12.48	12.55
4777	NYSE	NGS	Thu, Oct 14, 2021	11.95	12.64	11.95	12.41
4776	NYSE	NGS	Wed, Oct 13, 2021	12.86	12.92	11.87	11.89
4775	NYSE	NGS	Tue, Oct 12, 2021	12.84	12.97	12.62	12.79
4774	NYSE	NGS	Mon, Oct 11, 2021	12.42	12.78	12.42	12.54
4773	NYSE	NGS	Fri, Oct 8, 2021	11.90	12.65	11.90	12.28
4772	NYSE	NGS	Thu, Oct 7, 2021	11.95	12.00	11.46	11.87
4771	NYSE	NGS	Wed, Oct 6, 2021	12.26	12.93	11.69	12.01
4770	NYSE	NGS	Tue, Oct 5, 2021	11.70	12.24	11.56	12.15
4769	NYSE	NGS	Mon, Oct 4, 2021	11.26	11.58	10.98	11.49
4768	NYSE	NGS	Fri, Oct 1, 2021	10.50	10.75	10.43	10.59
4767	NYSE	NGS	Thu, Sep 30, 2021	10.09	10.43	10.00	10.38
4766	NYSE	NGS	Wed, Sep 29, 2021	9.95	10.37	9.92	10.00
4765	NYSE	NGS	Tue, Sep 28, 2021	10.75	10.75	9.90	9.97
4764	NYSE	NGS	Mon, Sep 27, 2021	9.36	10.10	9.36	10.01
4763	NYSE	NGS	Fri, Sep 24, 2021	9.39	9.54	9.33	9.33
4762	NYSE	NGS	Thu, Sep 23, 2021	9.50	9.88	9.45	9.58
4761	NYSE	NGS	Wed, Sep 22, 2021	9.72	9.83	9.50	9.56
4760	NYSE	NGS	Tue, Sep 21, 2021	9.68	9.95	9.38	9.50
4759	NYSE	NGS	Mon, Sep 20, 2021	9.41	9.70	9.41	9.62
4758	NYSE	NGS	Fri, Sep 17, 2021	9.70	9.75	9.45	9.57
4757	NYSE	NGS	Thu, Sep 16, 2021	9.76	9.92	9.62	9.88
4756	NYSE	NGS	Wed, Sep 15, 2021	10.05	10.17	9.67	9.75
4755	NYSE	NGS	Tue, Sep 14, 2021	10.00	10.07	9.92	9.98
4754	NYSE	NGS	Mon, Sep 13, 2021	10.10	10.35	9.85	10.02
4753	NYSE	NGS	Fri, Sep 10, 2021	9.72	10.35	9.46	9.97
4752	NYSE	NGS	Thu, Sep 9, 2021	9.44	9.63	9.44	9.55
4751	NYSE	NGS	Wed, Sep 8, 2021	9.55	9.65	9.46	9.56
4750	NYSE	NGS	Tue, Sep 7, 2021	9.41	9.53	9.35	9.36
4749	NYSE	NGS	Fri, Sep 3, 2021	9.68	9.70	9.48	9.50
4748	NYSE	NGS	Thu, Sep 2, 2021	9.69	9.78	9.55	9.61
4747	NYSE	NGS	Wed, Sep 1, 2021	9.80	9.81	9.50	9.67
4746	NYSE	NGS	Tue, Aug 31, 2021	9.70	9.87	9.65	9.65
4745	NYSE	NGS	Mon, Aug 30, 2021	9.68	9.86	9.60	9.62
4744	NYSE	NGS	Fri, Aug 27, 2021	9.46	9.84	9.36	9.54
4743	NYSE	NGS	Thu, Aug 26, 2021	9.30	9.49	9.19	9.26
4742	NYSE	NGS	Wed, Aug 25, 2021	9.66	9.76	9.30	9.30
4741	NYSE	NGS	Tue, Aug 24, 2021	9.56	9.87	9.53	9.55
4740	NYSE	NGS	Mon, Aug 23, 2021	9.58	9.62	9.47	9.55
4739	NYSE	NGS	Fri, Aug 20, 2021	9.35	9.59	9.32	9.54
4738	NYSE	NGS	Thu, Aug 19, 2021	9.75	9.87	9.50	9.55
4737	NYSE	NGS	Wed, Aug 18, 2021	9.90	10.11	9.75	9.80
4736	NYSE	NGS	Tue, Aug 17, 2021	9.91	10.01	9.87	9.95
4735	NYSE	NGS	Mon, Aug 16, 2021	10.05	10.24	9.98	10.01
4734	NYSE	NGS	Fri, Aug 13, 2021	10.03	10.21	10.03	10.18
4733	NYSE	NGS	Thu, Aug 12, 2021	9.70	10.38	9.70	10.13
4732	NYSE	NGS	Wed, Aug 11, 2021	10.08	10.66	10.08	10.56
4731	NYSE	NGS	Tue, Aug 10, 2021	10.00	10.20	10.00	10.16
4730	NYSE	NGS	Mon, Aug 9, 2021	10.42	10.42	9.93	9.97
4729	NYSE	NGS	Fri, Aug 6, 2021	10.52	10.61	10.39	10.41
4728	NYSE	NGS	Thu, Aug 5, 2021	9.86	10.60	9.84	10.56
4727	NYSE	NGS	Wed, Aug 4, 2021	10.00	10.00	9.41	9.68
4726	NYSE	NGS	Tue, Aug 3, 2021	9.62	10.30	9.62	10.20
4725	NYSE	NGS	Mon, Aug 2, 2021	9.78	9.98	9.60	9.62
4724	NYSE	NGS	Fri, Jul 30, 2021	9.64	10.19	9.64	10.00
4723	NYSE	NGS	Thu, Jul 29, 2021	9.61	10.03	9.58	9.86
4722	NYSE	NGS	Wed, Jul 28, 2021	9.22	9.69	9.13	9.64
4721	NYSE	NGS	Tue, Jul 27, 2021	9.33	9.33	9.09	9.22
4720	NYSE	NGS	Mon, Jul 26, 2021	9.44	9.58	9.25	9.25
4719	NYSE	NGS	Fri, Jul 23, 2021	9.50	9.71	9.17	9.61
4718	NYSE	NGS	Thu, Jul 22, 2021	9.50	9.52	9.30	9.34
4717	NYSE	NGS	Wed, Jul 21, 2021	9.37	9.74	9.36	9.43
4716	NYSE	NGS	Tue, Jul 20, 2021	9.28	9.55	9.07	9.18
4715	NYSE	NGS	Mon, Jul 19, 2021	9.14	9.36	8.91	9.02
4714	NYSE	NGS	Fri, Jul 16, 2021	9.88	9.88	9.31	9.31
4713	NYSE	NGS	Thu, Jul 15, 2021	10.04	10.04	9.80	9.90
4712	NYSE	NGS	Wed, Jul 14, 2021	10.15	10.17	10.03	10.03
4711	NYSE	NGS	Tue, Jul 13, 2021	10.48	10.48	10.09	10.24
4710	NYSE	NGS	Mon, Jul 12, 2021	10.24	10.42	10.21	10.39
4709	NYSE	NGS	Fri, Jul 9, 2021	9.99	10.26	9.99	10.26
4708	NYSE	NGS	Thu, Jul 8, 2021	9.88	10.20	9.69	9.99
4707	NYSE	NGS	Wed, Jul 7, 2021	10.22	10.34	10.02	10.07
4706	NYSE	NGS	Tue, Jul 6, 2021	10.68	10.75	10.19	10.22
4705	NYSE	NGS	Fri, Jul 2, 2021	10.63	10.88	10.50	10.75
4704	NYSE	NGS	Thu, Jul 1, 2021	10.29	10.84	10.29	10.70
4703	NYSE	NGS	Wed, Jun 30, 2021	10.50	10.64	10.18	10.28
4702	NYSE	NGS	Tue, Jun 29, 2021	10.73	10.78	10.45	10.56
4701	NYSE	NGS	Mon, Jun 28, 2021	10.81	10.94	10.46	10.57
4700	NYSE	NGS	Fri, Jun 25, 2021	10.81	11.08	10.19	10.78
4699	NYSE	NGS	Thu, Jun 24, 2021	10.80	10.80	10.75	10.75
4698	NYSE	NGS	Wed, Jun 23, 2021	10.82	11.05	10.75	10.75
4697	NYSE	NGS	Tue, Jun 22, 2021	10.56	10.90	10.56	10.82
4696	NYSE	NGS	Mon, Jun 21, 2021	10.75	10.99	10.75	10.75
4695	NYSE	NGS	Fri, Jun 18, 2021	10.75	10.98	10.50	10.73
4694	NYSE	NGS	Thu, Jun 17, 2021	11.18	11.19	10.58	10.93
4693	NYSE	NGS	Wed, Jun 16, 2021	11.29	11.37	11.19	11.23
4692	NYSE	NGS	Tue, Jun 15, 2021	11.41	11.56	11.31	11.34
4691	NYSE	NGS	Mon, Jun 14, 2021	11.50	11.64	11.31	11.40
4690	NYSE	NGS	Fri, Jun 11, 2021	10.82	11.25	10.82	11.24
4689	NYSE	NGS	Thu, Jun 10, 2021	11.12	11.12	10.66	10.91
4688	NYSE	NGS	Wed, Jun 9, 2021	11.11	11.11	10.91	11.00
4687	NYSE	NGS	Tue, Jun 8, 2021	11.20	11.39	10.93	10.93
4686	NYSE	NGS	Mon, Jun 7, 2021	11.05	11.37	10.96	11.12
4685	NYSE	NGS	Fri, Jun 4, 2021	11.20	11.22	10.93	11.05
4684	NYSE	NGS	Thu, Jun 3, 2021	10.69	11.00	10.69	11.00
4683	NYSE	NGS	Wed, Jun 2, 2021	10.47	10.79	10.47	10.76
4682	NYSE	NGS	Tue, Jun 1, 2021	10.30	10.57	10.30	10.36
4681	NYSE	NGS	Fri, May 28, 2021	10.55	10.55	10.25	10.33
4680	NYSE	NGS	Thu, May 27, 2021	10.25	10.69	10.25	10.63
4679	NYSE	NGS	Wed, May 26, 2021	10.32	10.42	10.06	10.06
4678	NYSE	NGS	Tue, May 25, 2021	10.50	10.50	10.04	10.21
4677	NYSE	NGS	Mon, May 24, 2021	10.64	10.72	10.51	10.56
4676	NYSE	NGS	Fri, May 21, 2021	10.33	10.72	10.20	10.72
4675	NYSE	NGS	Thu, May 20, 2021	10.08	10.31	10.08	10.20
4674	NYSE	NGS	Wed, May 19, 2021	10.40	10.52	10.25	10.30
4673	NYSE	NGS	Tue, May 18, 2021	10.65	10.78	10.36	10.50
4672	NYSE	NGS	Mon, May 17, 2021	10.54	10.82	10.26	10.62
4671	NYSE	NGS	Fri, May 14, 2021	9.79	10.50	9.79	10.49
4670	NYSE	NGS	Thu, May 13, 2021	9.70	9.94	9.54	9.79
4669	NYSE	NGS	Wed, May 12, 2021	9.71	9.80	9.47	9.67
4668	NYSE	NGS	Tue, May 11, 2021	9.38	9.71	9.06	9.71
4667	NYSE	NGS	Mon, May 10, 2021	9.34	9.80	9.34	9.48
4666	NYSE	NGS	Fri, May 7, 2021	8.98	9.43	8.98	9.41
4665	NYSE	NGS	Thu, May 6, 2021	9.26	9.26	9.00	9.13
4664	NYSE	NGS	Wed, May 5, 2021	9.00	9.43	8.93	9.30
4663	NYSE	NGS	Tue, May 4, 2021	9.10	9.18	8.90	9.00
4662	NYSE	NGS	Mon, May 3, 2021	9.06	9.18	9.02	9.08
4661	NYSE	NGS	Fri, Apr 30, 2021	9.13	9.14	9.00	9.00
4660	NYSE	NGS	Thu, Apr 29, 2021	9.12	9.18	9.00	9.11
4659	NYSE	NGS	Wed, Apr 28, 2021	9.15	9.21	9.02	9.12
4658	NYSE	NGS	Tue, Apr 27, 2021	9.17	9.20	9.08	9.09
4657	NYSE	NGS	Mon, Apr 26, 2021	9.11	9.25	9.00	9.24
4656	NYSE	NGS	Fri, Apr 23, 2021	9.06	9.16	9.00	9.01
4655	NYSE	NGS	Thu, Apr 22, 2021	9.10	9.16	9.01	9.08
4654	NYSE	NGS	Wed, Apr 21, 2021	9.16	9.23	9.07	9.12
4653	NYSE	NGS	Tue, Apr 20, 2021	9.23	9.40	9.06	9.10
4652	NYSE	NGS	Mon, Apr 19, 2021	9.15	9.34	9.10	9.21
4651	NYSE	NGS	Fri, Apr 16, 2021	9.10	9.17	9.05	9.12
4650	NYSE	NGS	Thu, Apr 15, 2021	9.07	9.28	9.06	9.10
4649	NYSE	NGS	Wed, Apr 14, 2021	9.07	9.16	9.00	9.12
4648	NYSE	NGS	Tue, Apr 13, 2021	8.99	9.16	8.91	9.02
4647	NYSE	NGS	Mon, Apr 12, 2021	9.15	9.15	8.86	9.05
4646	NYSE	NGS	Fri, Apr 9, 2021	9.00	9.21	9.00	9.05
4645	NYSE	NGS	Thu, Apr 8, 2021	9.00	9.11	8.96	8.96
4644	NYSE	NGS	Wed, Apr 7, 2021	9.09	9.25	9.00	9.04
4643	NYSE	NGS	Tue, Apr 6, 2021	9.17	9.34	9.02	9.10
4642	NYSE	NGS	Mon, Apr 5, 2021	9.45	9.48	9.20	9.26
4641	NYSE	NGS	Thu, Apr 1, 2021	9.44	9.49	9.20	9.45
4640	NYSE	NGS	Wed, Mar 31, 2021	8.71	9.47	8.55	9.44
4639	NYSE	NGS	Tue, Mar 30, 2021	9.30	9.34	8.79	8.83
4638	NYSE	NGS	Mon, Mar 29, 2021	9.20	9.25	8.87	9.19
4637	NYSE	NGS	Fri, Mar 26, 2021	8.92	9.19	8.85	9.15
4636	NYSE	NGS	Thu, Mar 25, 2021	8.59	8.81	8.50	8.75
4635	NYSE	NGS	Wed, Mar 24, 2021	8.67	9.12	8.66	8.76
4634	NYSE	NGS	Tue, Mar 23, 2021	8.98	8.99	8.55	8.56
4633	NYSE	NGS	Mon, Mar 22, 2021	8.86	9.67	8.84	9.00
4632	NYSE	NGS	Fri, Mar 19, 2021	9.01	9.54	8.83	8.83
4631	NYSE	NGS	Thu, Mar 18, 2021	9.44	9.58	8.86	8.91
4630	NYSE	NGS	Wed, Mar 17, 2021	9.27	9.47	9.27	9.28
4629	NYSE	NGS	Tue, Mar 16, 2021	9.60	9.71	9.33	9.42
4628	NYSE	NGS	Mon, Mar 15, 2021	9.99	10.00	9.69	9.74
4627	NYSE	NGS	Fri, Mar 12, 2021	10.22	10.22	10.00	10.05
4626	NYSE	NGS	Thu, Mar 11, 2021	10.27	10.27	9.92	10.15
4625	NYSE	NGS	Wed, Mar 10, 2021	10.37	10.37	10.06	10.27
4624	NYSE	NGS	Tue, Mar 9, 2021	10.29	10.32	10.10	10.15
4623	NYSE	NGS	Mon, Mar 8, 2021	10.18	10.36	10.13	10.32
4622	NYSE	NGS	Fri, Mar 5, 2021	10.31	10.32	9.96	10.19
4621	NYSE	NGS	Thu, Mar 4, 2021	10.47	10.51	9.90	10.09
4620	NYSE	NGS	Wed, Mar 3, 2021	10.14	10.54	10.11	10.39
4619	NYSE	NGS	Tue, Mar 2, 2021	10.05	10.13	9.94	10.00
4618	NYSE	NGS	Mon, Mar 1, 2021	10.43	10.76	10.00	10.16
4617	NYSE	NGS	Fri, Feb 26, 2021	10.31	10.61	9.91	10.40
4616	NYSE	NGS	Thu, Feb 25, 2021	10.30	10.49	10.20	10.31
4615	NYSE	NGS	Wed, Feb 24, 2021	9.83	10.28	9.83	10.16
4614	NYSE	NGS	Tue, Feb 23, 2021	9.94	9.94	9.39	9.53
4613	NYSE	NGS	Mon, Feb 22, 2021	10.04	10.21	9.84	9.95
4612	NYSE	NGS	Fri, Feb 19, 2021	10.25	10.37	9.92	9.94
4611	NYSE	NGS	Thu, Feb 18, 2021	10.35	10.44	10.11	10.25
4610	NYSE	NGS	Wed, Feb 17, 2021	10.17	10.43	10.00	10.27
4609	NYSE	NGS	Tue, Feb 16, 2021	10.06	10.36	9.99	10.09
4608	NYSE	NGS	Fri, Feb 12, 2021	9.95	10.24	9.81	9.97
4607	NYSE	NGS	Thu, Feb 11, 2021	10.06	10.10	9.64	10.03
4606	NYSE	NGS	Wed, Feb 10, 2021	9.78	10.16	9.65	10.07
4605	NYSE	NGS	Tue, Feb 9, 2021	10.01	10.01	9.62	9.82
4604	NYSE	NGS	Mon, Feb 8, 2021	9.40	10.05	9.39	10.02
4603	NYSE	NGS	Fri, Feb 5, 2021	9.33	9.46	9.27	9.40
4602	NYSE	NGS	Thu, Feb 4, 2021	9.34	9.42	8.97	9.33
4601	NYSE	NGS	Wed, Feb 3, 2021	9.00	9.30	8.70	9.25
4600	NYSE	NGS	Tue, Feb 2, 2021	8.95	9.13	8.82	8.90
4599	NYSE	NGS	Mon, Feb 1, 2021	8.70	8.87	8.33	8.82
4598	NYSE	NGS	Fri, Jan 29, 2021	8.12	8.23	8.01	8.19
4597	NYSE	NGS	Thu, Jan 28, 2021	8.07	8.20	8.02	8.12
4596	NYSE	NGS	Wed, Jan 27, 2021	8.50	8.53	8.00	8.07
4595	NYSE	NGS	Tue, Jan 26, 2021	8.28	8.58	8.28	8.50
4594	NYSE	NGS	Mon, Jan 25, 2021	8.63	8.68	8.28	8.35
4593	NYSE	NGS	Fri, Jan 22, 2021	8.94	8.94	8.60	8.66
4592	NYSE	NGS	Thu, Jan 21, 2021	9.24	10.16	8.86	9.01
4591	NYSE	NGS	Wed, Jan 20, 2021	9.26	9.45	9.20	9.25
4590	NYSE	NGS	Tue, Jan 19, 2021	9.44	9.66	9.21	9.28
4589	NYSE	NGS	Fri, Jan 15, 2021	9.66	9.66	9.10	9.14
4588	NYSE	NGS	Thu, Jan 14, 2021	9.60	9.99	9.35	9.66
4587	NYSE	NGS	Wed, Jan 13, 2021	9.73	9.83	9.52	9.66
4586	NYSE	NGS	Tue, Jan 12, 2021	9.96	9.99	9.74	9.85
4585	NYSE	NGS	Mon, Jan 11, 2021	9.79	9.95	9.64	9.70
4584	NYSE	NGS	Fri, Jan 8, 2021	10.19	10.20	9.77	9.81
4583	NYSE	NGS	Thu, Jan 7, 2021	9.75	10.34	9.75	10.25
4582	NYSE	NGS	Wed, Jan 6, 2021	9.95	10.16	9.80	9.80
4581	NYSE	NGS	Tue, Jan 5, 2021	9.54	9.98	9.51	9.94
4580	NYSE	NGS	Mon, Jan 4, 2021	9.66	9.98	9.19	9.40
4579	NYSE	NGS	Thu, Dec 31, 2020	9.68	9.79	9.41	9.48
4578	NYSE	NGS	Wed, Dec 30, 2020	9.66	9.75	9.59	9.65
4577	NYSE	NGS	Tue, Dec 29, 2020	9.64	9.75	9.52	9.66
4576	NYSE	NGS	Mon, Dec 28, 2020	10.20	10.32	9.63	9.63
4575	NYSE	NGS	Thu, Dec 24, 2020	10.35	10.44	10.07	10.20
4574	NYSE	NGS	Wed, Dec 23, 2020	9.95	10.57	9.92	10.31
4573	NYSE	NGS	Tue, Dec 22, 2020	9.93	10.08	9.78	10.07
4572	NYSE	NGS	Mon, Dec 21, 2020	9.88	10.09	9.80	9.92
4571	NYSE	NGS	Fri, Dec 18, 2020	9.78	10.67	9.78	10.02
4570	NYSE	NGS	Thu, Dec 17, 2020	10.49	10.65	9.55	9.74
4569	NYSE	NGS	Wed, Dec 16, 2020	10.89	11.07	10.34	10.39
4568	NYSE	NGS	Tue, Dec 15, 2020	10.74	11.20	10.64	10.96
4567	NYSE	NGS	Mon, Dec 14, 2020	11.43	11.60	10.51	10.70
4566	NYSE	NGS	Fri, Dec 11, 2020	12.15	12.15	11.26	11.45
4565	NYSE	NGS	Thu, Dec 10, 2020	11.79	12.23	11.79	12.15
4564	NYSE	NGS	Wed, Dec 9, 2020	12.00	12.00	11.64	11.87
4563	NYSE	NGS	Tue, Dec 8, 2020	11.77	11.99	11.68	11.90
4562	NYSE	NGS	Mon, Dec 7, 2020	11.87	11.96	11.55	11.78
4561	NYSE	NGS	Fri, Dec 4, 2020	11.69	11.96	11.65	11.84
4560	NYSE	NGS	Thu, Dec 3, 2020	11.79	12.00	11.49	11.66
4559	NYSE	NGS	Wed, Dec 2, 2020	11.43	11.72	11.29	11.65
4558	NYSE	NGS	Tue, Dec 1, 2020	11.37	11.46	11.19	11.34
4557	NYSE	NGS	Mon, Nov 30, 2020	11.45	11.78	11.02	11.54
4556	NYSE	NGS	Fri, Nov 27, 2020	11.70	11.70	11.20	11.45
4555	NYSE	NGS	Wed, Nov 25, 2020	11.95	11.96	11.21	11.69
4554	NYSE	NGS	Tue, Nov 24, 2020	10.73	11.82	10.62	11.70
4553	NYSE	NGS	Mon, Nov 23, 2020	10.28	11.10	10.28	11.10
4552	NYSE	NGS	Fri, Nov 20, 2020	9.83	10.23	9.70	10.23
4551	NYSE	NGS	Thu, Nov 19, 2020	9.95	10.02	9.56	9.87
4550	NYSE	NGS	Wed, Nov 18, 2020	10.11	10.41	9.90	10.00
4549	NYSE	NGS	Tue, Nov 17, 2020	10.00	10.38	9.85	10.18
4548	NYSE	NGS	Mon, Nov 16, 2020	10.55	10.82	10.11	10.19
4547	NYSE	NGS	Fri, Nov 13, 2020	10.27	10.79	9.94	10.40
4546	NYSE	NGS	Thu, Nov 12, 2020	10.26	10.35	10.08	10.35
4545	NYSE	NGS	Wed, Nov 11, 2020	10.28	10.32	9.76	10.22
4544	NYSE	NGS	Tue, Nov 10, 2020	10.39	10.55	10.17	10.28
4543	NYSE	NGS	Mon, Nov 9, 2020	9.50	10.46	9.45	10.37
4542	NYSE	NGS	Fri, Nov 6, 2020	9.34	9.49	9.11	9.26
4541	NYSE	NGS	Thu, Nov 5, 2020	9.17	9.29	9.02	9.26
4540	NYSE	NGS	Wed, Nov 4, 2020	8.72	9.02	8.64	9.02
4539	NYSE	NGS	Tue, Nov 3, 2020	9.06	9.06	8.72	8.84
4538	NYSE	NGS	Mon, Nov 2, 2020	8.70	8.95	8.70	8.82
4537	NYSE	NGS	Fri, Oct 30, 2020	8.63	8.73	8.53	8.70
4536	NYSE	NGS	Thu, Oct 29, 2020	8.72	8.73	8.55	8.67
4535	NYSE	NGS	Wed, Oct 28, 2020	8.76	9.00	8.55	8.81
4534	NYSE	NGS	Tue, Oct 27, 2020	9.25	9.26	8.93	9.00
4533	NYSE	NGS	Mon, Oct 26, 2020	9.20	9.33	9.11	9.25
4532	NYSE	NGS	Fri, Oct 23, 2020	9.31	9.38	9.12	9.34
4531	NYSE	NGS	Thu, Oct 22, 2020	8.82	9.36	8.77	9.19
4530	NYSE	NGS	Wed, Oct 21, 2020	8.85	8.99	8.73	8.78
4529	NYSE	NGS	Tue, Oct 20, 2020	9.30	9.35	8.76	8.83
4528	NYSE	NGS	Mon, Oct 19, 2020	9.08	9.49	9.08	9.35
4527	NYSE	NGS	Fri, Oct 16, 2020	9.36	9.49	9.24	9.30
4526	NYSE	NGS	Thu, Oct 15, 2020	9.45	9.58	9.34	9.44
4525	NYSE	NGS	Wed, Oct 14, 2020	9.49	9.62	9.35	9.50
4524	NYSE	NGS	Tue, Oct 13, 2020	9.46	9.60	9.37	9.52
4523	NYSE	NGS	Mon, Oct 12, 2020	9.87	9.87	9.33	9.57
4522	NYSE	NGS	Fri, Oct 9, 2020	9.75	9.92	9.47	9.80
4521	NYSE	NGS	Thu, Oct 8, 2020	9.11	9.74	9.11	9.66
4520	NYSE	NGS	Wed, Oct 7, 2020	8.93	9.27	8.93	9.14
4519	NYSE	NGS	Tue, Oct 6, 2020	8.89	9.15	8.84	8.85
4518	NYSE	NGS	Mon, Oct 5, 2020	9.16	9.24	8.87	9.00
4517	NYSE	NGS	Fri, Oct 2, 2020	8.74	9.10	8.60	9.07
4516	NYSE	NGS	Thu, Oct 1, 2020	8.44	8.93	8.36	8.88
4515	NYSE	NGS	Wed, Sep 30, 2020	8.64	8.75	8.37	8.45
4514	NYSE	NGS	Tue, Sep 29, 2020	8.31	8.61	8.31	8.58
4513	NYSE	NGS	Mon, Sep 28, 2020	8.31	8.41	8.25	8.30
4512	NYSE	NGS	Fri, Sep 25, 2020	8.17	8.34	8.16	8.24
4511	NYSE	NGS	Thu, Sep 24, 2020	8.20	8.44	8.12	8.25
4510	NYSE	NGS	Wed, Sep 23, 2020	8.47	8.52	8.14	8.20
4509	NYSE	NGS	Tue, Sep 22, 2020	8.68	8.82	8.43	8.46
4508	NYSE	NGS	Mon, Sep 21, 2020	8.72	8.74	8.49	8.68
4507	NYSE	NGS	Fri, Sep 18, 2020	9.13	9.43	9.02	9.05
4506	NYSE	NGS	Thu, Sep 17, 2020	9.08	9.26	8.99	9.21
4505	NYSE	NGS	Wed, Sep 16, 2020	8.64	9.18	8.64	9.14
4504	NYSE	NGS	Tue, Sep 15, 2020	8.81	8.83	8.55	8.71
4503	NYSE	NGS	Mon, Sep 14, 2020	8.54	8.79	8.40	8.74
4502	NYSE	NGS	Fri, Sep 11, 2020	8.23	8.44	7.95	8.44
4501	NYSE	NGS	Thu, Sep 10, 2020	8.49	8.49	8.17	8.35
4500	NYSE	NGS	Wed, Sep 9, 2020	8.46	8.52	8.34	8.44
4499	NYSE	NGS	Tue, Sep 8, 2020	8.48	8.48	8.22	8.44
4498	NYSE	NGS	Fri, Sep 4, 2020	8.46	8.60	8.32	8.57
4497	NYSE	NGS	Thu, Sep 3, 2020	8.36	8.47	8.22	8.37
4496	NYSE	NGS	Wed, Sep 2, 2020	8.43	8.46	8.17	8.42
4495	NYSE	NGS	Tue, Sep 1, 2020	8.13	8.40	8.13	8.39
4494	NYSE	NGS	Mon, Aug 31, 2020	8.17	8.27	8.04	8.18
4493	NYSE	NGS	Fri, Aug 28, 2020	8.18	8.30	8.09	8.14
4492	NYSE	NGS	Thu, Aug 27, 2020	8.15	8.30	8.09	8.09
4491	NYSE	NGS	Wed, Aug 26, 2020	8.35	8.35	8.12	8.15
4490	NYSE	NGS	Tue, Aug 25, 2020	8.53	8.70	8.23	8.32
4489	NYSE	NGS	Mon, Aug 24, 2020	8.59	8.88	8.29	8.48
4488	NYSE	NGS	Fri, Aug 21, 2020	8.71	8.71	8.15	8.57
4487	NYSE	NGS	Thu, Aug 20, 2020	10.00	10.13	8.70	8.74
4486	NYSE	NGS	Wed, Aug 19, 2020	8.22	9.60	8.19	9.45
4485	NYSE	NGS	Tue, Aug 18, 2020	8.00	8.38	7.53	8.24
4484	NYSE	NGS	Mon, Aug 17, 2020	6.99	7.11	6.64	6.78
4483	NYSE	NGS	Fri, Aug 14, 2020	6.86	7.04	6.71	6.95
4482	NYSE	NGS	Thu, Aug 13, 2020	7.01	7.01	6.78	6.82
4481	NYSE	NGS	Wed, Aug 12, 2020	7.20	7.20	6.84	7.01
4480	NYSE	NGS	Tue, Aug 11, 2020	7.37	7.40	7.05	7.10
4479	NYSE	NGS	Mon, Aug 10, 2020	7.31	7.32	7.12	7.20
4478	NYSE	NGS	Fri, Aug 7, 2020	7.12	7.28	7.02	7.15
4477	NYSE	NGS	Thu, Aug 6, 2020	7.12	7.16	7.00	7.01
4476	NYSE	NGS	Wed, Aug 5, 2020	6.77	7.27	6.77	7.20
4475	NYSE	NGS	Tue, Aug 4, 2020	6.62	6.79	6.57	6.72
4474	NYSE	NGS	Mon, Aug 3, 2020	6.40	6.74	6.40	6.62
4473	NYSE	NGS	Fri, Jul 31, 2020	6.50	6.50	6.28	6.38
4472	NYSE	NGS	Thu, Jul 30, 2020	6.40	6.58	6.20	6.50
4471	NYSE	NGS	Wed, Jul 29, 2020	6.30	6.55	6.25	6.40
4470	NYSE	NGS	Tue, Jul 28, 2020	6.43	6.51	6.24	6.29
4469	NYSE	NGS	Mon, Jul 27, 2020	6.45	6.57	6.30	6.33
4468	NYSE	NGS	Fri, Jul 24, 2020	6.81	6.92	6.45	6.45
4467	NYSE	NGS	Thu, Jul 23, 2020	6.54	6.97	6.52	6.76
4466	NYSE	NGS	Wed, Jul 22, 2020	6.27	6.91	6.25	6.49
4465	NYSE	NGS	Tue, Jul 21, 2020	6.82	7.03	6.30	6.31
4464	NYSE	NGS	Mon, Jul 20, 2020	6.89	6.95	6.63	6.68
4463	NYSE	NGS	Fri, Jul 17, 2020	7.06	7.16	6.82	6.91
4462	NYSE	NGS	Thu, Jul 16, 2020	7.10	7.30	6.88	6.98
4461	NYSE	NGS	Wed, Jul 15, 2020	7.00	7.34	6.86	7.16
4460	NYSE	NGS	Tue, Jul 14, 2020	6.41	6.91	6.25	6.79
4459	NYSE	NGS	Mon, Jul 13, 2020	6.29	6.64	6.23	6.40
4458	NYSE	NGS	Fri, Jul 10, 2020	6.25	6.54	6.17	6.29
4457	NYSE	NGS	Thu, Jul 9, 2020	6.68	6.68	6.22	6.26
4456	NYSE	NGS	Wed, Jul 8, 2020	6.67	6.83	6.61	6.70
4455	NYSE	NGS	Tue, Jul 7, 2020	6.58	6.75	6.41	6.70
4454	NYSE	NGS	Mon, Jul 6, 2020	6.63	6.81	6.63	6.67
4453	NYSE	NGS	Thu, Jul 2, 2020	6.39	6.59	6.28	6.54
4452	NYSE	NGS	Wed, Jul 1, 2020	6.29	6.40	6.11	6.26
4451	NYSE	NGS	Tue, Jun 30, 2020	6.52	6.52	6.06	6.27
4450	NYSE	NGS	Mon, Jun 29, 2020	6.47	6.88	6.46	6.57
4449	NYSE	NGS	Fri, Jun 26, 2020	5.93	6.69	5.84	6.50
4448	NYSE	NGS	Thu, Jun 25, 2020	5.90	6.02	5.63	5.87
4447	NYSE	NGS	Wed, Jun 24, 2020	6.09	6.09	5.75	5.86
4446	NYSE	NGS	Tue, Jun 23, 2020	6.16	6.23	6.03	6.11
4445	NYSE	NGS	Mon, Jun 22, 2020	6.01	6.12	5.90	6.09
4444	NYSE	NGS	Fri, Jun 19, 2020	6.16	6.28	5.95	6.05
4443	NYSE	NGS	Thu, Jun 18, 2020	6.00	6.27	5.92	6.06
4442	NYSE	NGS	Wed, Jun 17, 2020	6.41	6.44	6.00	6.01
4441	NYSE	NGS	Tue, Jun 16, 2020	7.04	7.28	6.38	6.41
4440	NYSE	NGS	Mon, Jun 15, 2020	6.63	6.90	6.41	6.74
4439	NYSE	NGS	Fri, Jun 12, 2020	6.83	7.04	6.41	6.80
4438	NYSE	NGS	Thu, Jun 11, 2020	6.47	6.64	6.29	6.41
4437	NYSE	NGS	Wed, Jun 10, 2020	7.40	7.40	6.62	6.71
4436	NYSE	NGS	Tue, Jun 9, 2020	7.67	7.72	7.12	7.39
4435	NYSE	NGS	Mon, Jun 8, 2020	7.98	8.32	7.82	8.00
4434	NYSE	NGS	Fri, Jun 5, 2020	6.85	7.84	6.85	7.73
4433	NYSE	NGS	Thu, Jun 4, 2020	6.16	6.87	6.16	6.68
4432	NYSE	NGS	Wed, Jun 3, 2020	6.12	6.42	6.06	6.16
4431	NYSE	NGS	Tue, Jun 2, 2020	6.14	6.16	5.98	6.02
4430	NYSE	NGS	Mon, Jun 1, 2020	6.38	6.41	6.10	6.14
4429	NYSE	NGS	Fri, May 29, 2020	6.65	6.71	6.22	6.26
4428	NYSE	NGS	Thu, May 28, 2020	7.22	7.24	6.74	6.76
4427	NYSE	NGS	Wed, May 27, 2020	6.63	7.25	6.42	7.00
4426	NYSE	NGS	Tue, May 26, 2020	6.76	6.76	6.45	6.48
4425	NYSE	NGS	Fri, May 22, 2020	6.59	6.59	6.20	6.44
4424	NYSE	NGS	Thu, May 21, 2020	6.31	6.56	6.22	6.51
4423	NYSE	NGS	Wed, May 20, 2020	6.18	6.39	6.11	6.37
4422	NYSE	NGS	Tue, May 19, 2020	6.10	6.30	5.95	6.06
4421	NYSE	NGS	Mon, May 18, 2020	5.93	6.35	5.85	6.23
4420	NYSE	NGS	Fri, May 15, 2020	5.72	5.77	5.60	5.72
4419	NYSE	NGS	Thu, May 14, 2020	5.59	5.95	5.44	5.63
4418	NYSE	NGS	Wed, May 13, 2020	5.95	5.95	5.62	5.72
4417	NYSE	NGS	Tue, May 12, 2020	6.31	6.31	5.80	5.92
4416	NYSE	NGS	Mon, May 11, 2020	5.99	6.19	5.80	6.14
4415	NYSE	NGS	Fri, May 8, 2020	6.16	6.27	5.85	6.07
4414	NYSE	NGS	Thu, May 7, 2020	5.57	5.87	5.52	5.85
4413	NYSE	NGS	Wed, May 6, 2020	5.40	5.61	5.26	5.54
4412	NYSE	NGS	Tue, May 5, 2020	5.60	5.81	5.30	5.40
4411	NYSE	NGS	Mon, May 4, 2020	5.65	5.72	5.19	5.45
4410	NYSE	NGS	Fri, May 1, 2020	6.40	6.40	5.57	5.73
4409	NYSE	NGS	Thu, Apr 30, 2020	6.40	6.41	6.01	6.35
4408	NYSE	NGS	Wed, Apr 29, 2020	5.75	6.42	5.66	6.40
4407	NYSE	NGS	Tue, Apr 28, 2020	5.74	5.74	5.38	5.64
4406	NYSE	NGS	Mon, Apr 27, 2020	5.20	5.54	4.99	5.50
4405	NYSE	NGS	Fri, Apr 24, 2020	5.03	5.21	4.90	5.12
4404	NYSE	NGS	Thu, Apr 23, 2020	5.01	5.24	4.86	4.91
4403	NYSE	NGS	Wed, Apr 22, 2020	4.92	4.99	4.70	4.87
4402	NYSE	NGS	Tue, Apr 21, 2020	4.64	4.83	4.52	4.71
4401	NYSE	NGS	Mon, Apr 20, 2020	4.85	5.14	4.64	4.76
4400	NYSE	NGS	Fri, Apr 17, 2020	4.31	4.86	4.31	4.86
4399	NYSE	NGS	Thu, Apr 16, 2020	4.63	4.63	4.17	4.28
4398	NYSE	NGS	Wed, Apr 15, 2020	4.57	4.77	4.48	4.64
4397	NYSE	NGS	Tue, Apr 14, 2020	4.44	4.87	4.42	4.76
4396	NYSE	NGS	Mon, Apr 13, 2020	5.22	5.24	4.38	4.42
4395	NYSE	NGS	Thu, Apr 9, 2020	4.50	5.02	4.41	4.94
4394	NYSE	NGS	Wed, Apr 8, 2020	4.33	4.43	4.09	4.28
4393	NYSE	NGS	Tue, Apr 7, 2020	4.61	4.74	4.15	4.17
4392	NYSE	NGS	Mon, Apr 6, 2020	4.72	4.93	4.20	4.34
4391	NYSE	NGS	Fri, Apr 3, 2020	4.06	4.51	4.00	4.45
4390	NYSE	NGS	Thu, Apr 2, 2020	4.05	4.69	4.02	4.18
4389	NYSE	NGS	Wed, Apr 1, 2020	4.20	4.43	4.00	4.10
4388	NYSE	NGS	Tue, Mar 31, 2020	4.78	5.14	4.35	4.46
4387	NYSE	NGS	Mon, Mar 30, 2020	4.90	5.07	4.56	4.82
4386	NYSE	NGS	Fri, Mar 27, 2020	5.10	5.26	4.72	4.75
4385	NYSE	NGS	Thu, Mar 26, 2020	5.15	5.40	4.94	5.24
4384	NYSE	NGS	Wed, Mar 25, 2020	5.35	5.47	4.82	5.13
4383	NYSE	NGS	Tue, Mar 24, 2020	5.27	5.60	4.98	5.32
4382	NYSE	NGS	Mon, Mar 23, 2020	5.30	5.47	4.80	5.03
4381	NYSE	NGS	Fri, Mar 20, 2020	4.96	5.44	4.92	5.28
4380	NYSE	NGS	Thu, Mar 19, 2020	4.27	5.67	2.62	4.89
4379	NYSE	NGS	Wed, Mar 18, 2020	4.91	5.08	4.13	4.31
4378	NYSE	NGS	Tue, Mar 17, 2020	5.36	5.66	5.18	5.29
4377	NYSE	NGS	Mon, Mar 16, 2020	5.47	6.05	5.25	5.28
4376	NYSE	NGS	Fri, Mar 13, 2020	6.35	6.36	5.92	6.25
4375	NYSE	NGS	Thu, Mar 12, 2020	6.73	6.73	5.50	5.97
4374	NYSE	NGS	Wed, Mar 11, 2020	6.64	6.90	6.61	6.80
4373	NYSE	NGS	Tue, Mar 10, 2020	6.63	6.74	5.98	6.65
4372	NYSE	NGS	Mon, Mar 9, 2020	7.30	7.30	6.22	6.29
4371	NYSE	NGS	Fri, Mar 6, 2020	8.15	8.19	7.83	7.90
4370	NYSE	NGS	Thu, Mar 5, 2020	8.92	8.92	8.25	8.31
4369	NYSE	NGS	Wed, Mar 4, 2020	9.16	9.27	8.80	9.11
4368	NYSE	NGS	Tue, Mar 3, 2020	9.58	9.65	8.96	9.11
4367	NYSE	NGS	Mon, Mar 2, 2020	9.95	9.95	9.21	9.62
4366	NYSE	NGS	Fri, Feb 28, 2020	9.97	10.45	9.61	9.88
4365	NYSE	NGS	Thu, Feb 27, 2020	10.40	10.83	10.25	10.30
4364	NYSE	NGS	Wed, Feb 26, 2020	10.35	10.94	10.30	10.87
4363	NYSE	NGS	Tue, Feb 25, 2020	10.61	10.61	9.98	10.29
4362	NYSE	NGS	Mon, Feb 24, 2020	10.23	10.62	10.17	10.57
4361	NYSE	NGS	Fri, Feb 21, 2020	11.20	11.20	10.81	10.83
4360	NYSE	NGS	Thu, Feb 20, 2020	11.24	11.24	10.96	11.18
4359	NYSE	NGS	Wed, Feb 19, 2020	10.97	11.23	10.90	11.18
4358	NYSE	NGS	Tue, Feb 18, 2020	10.46	10.94	10.46	10.89
4357	NYSE	NGS	Fri, Feb 14, 2020	10.50	10.66	10.44	10.62
4356	NYSE	NGS	Thu, Feb 13, 2020	10.31	10.50	10.28	10.49
4355	NYSE	NGS	Wed, Feb 12, 2020	10.06	10.44	10.06	10.41
4354	NYSE	NGS	Tue, Feb 11, 2020	10.12	10.12	9.94	9.98
4353	NYSE	NGS	Mon, Feb 10, 2020	10.31	10.31	10.01	10.02
4352	NYSE	NGS	Fri, Feb 7, 2020	10.37	10.38	10.12	10.33
4351	NYSE	NGS	Thu, Feb 6, 2020	10.72	10.72	10.39	10.46
4350	NYSE	NGS	Wed, Feb 5, 2020	10.53	10.77	10.53	10.66
4349	NYSE	NGS	Tue, Feb 4, 2020	10.56	10.71	10.34	10.36
4348	NYSE	NGS	Mon, Feb 3, 2020	10.57	10.58	10.23	10.39
4347	NYSE	NGS	Fri, Jan 31, 2020	10.58	10.66	10.45	10.52
4346	NYSE	NGS	Thu, Jan 30, 2020	10.80	10.93	10.59	10.73
4345	NYSE	NGS	Wed, Jan 29, 2020	11.25	11.25	10.86	10.95
4344	NYSE	NGS	Tue, Jan 28, 2020	11.27	11.32	11.17	11.18
4343	NYSE	NGS	Mon, Jan 27, 2020	11.25	11.38	11.19	11.22
4342	NYSE	NGS	Fri, Jan 24, 2020	11.54	11.58	11.35	11.53
4341	NYSE	NGS	Thu, Jan 23, 2020	11.27	11.63	11.07	11.58
4340	NYSE	NGS	Wed, Jan 22, 2020	11.32	11.47	11.11	11.44
4339	NYSE	NGS	Tue, Jan 21, 2020	11.69	11.69	11.15	11.31
4338	NYSE	NGS	Fri, Jan 17, 2020	11.63	11.78	11.44	11.73
4337	NYSE	NGS	Thu, Jan 16, 2020	11.32	11.75	11.30	11.55
4336	NYSE	NGS	Wed, Jan 15, 2020	11.41	11.62	11.15	11.23
4335	NYSE	NGS	Tue, Jan 14, 2020	11.70	11.84	11.39	11.41
4334	NYSE	NGS	Mon, Jan 13, 2020	11.85	11.98	11.60	11.90
4333	NYSE	NGS	Fri, Jan 10, 2020	12.36	12.36	11.86	11.93
4332	NYSE	NGS	Thu, Jan 9, 2020	12.65	12.65	12.26	12.34
4331	NYSE	NGS	Wed, Jan 8, 2020	12.92	12.92	12.43	12.58
4330	NYSE	NGS	Tue, Jan 7, 2020	12.86	13.14	12.83	13.00
4329	NYSE	NGS	Mon, Jan 6, 2020	12.56	13.01	12.55	12.94
4328	NYSE	NGS	Fri, Jan 3, 2020	12.46	12.74	12.35	12.65
4327	NYSE	NGS	Thu, Jan 2, 2020	12.33	12.50	12.12	12.45
4326	NYSE	NGS	Tue, Dec 31, 2019	12.21	12.38	12.15	12.26
4325	NYSE	NGS	Mon, Dec 30, 2019	11.97	12.40	11.97	12.31
4324	NYSE	NGS	Fri, Dec 27, 2019	11.90	12.07	11.83	12.02
4323	NYSE	NGS	Thu, Dec 26, 2019	11.98	12.09	11.76	11.84
4322	NYSE	NGS	Tue, Dec 24, 2019	12.00	12.09	11.82	11.96
4321	NYSE	NGS	Mon, Dec 23, 2019	11.95	12.05	11.88	12.00
4320	NYSE	NGS	Fri, Dec 20, 2019	12.12	12.21	11.92	11.92
4319	NYSE	NGS	Thu, Dec 19, 2019	12.38	12.45	12.07	12.10
4318	NYSE	NGS	Wed, Dec 18, 2019	12.25	12.45	12.15	12.38
4317	NYSE	NGS	Tue, Dec 17, 2019	11.92	12.26	11.81	12.24
4316	NYSE	NGS	Mon, Dec 16, 2019	11.79	12.05	11.79	11.87
4315	NYSE	NGS	Fri, Dec 13, 2019	11.86	11.95	11.57	11.74
4314	NYSE	NGS	Thu, Dec 12, 2019	11.70	12.07	11.70	11.85
4313	NYSE	NGS	Wed, Dec 11, 2019	11.48	11.73	11.37	11.70
4312	NYSE	NGS	Tue, Dec 10, 2019	11.37	11.60	11.34	11.48
4311	NYSE	NGS	Mon, Dec 9, 2019	11.54	11.65	11.38	11.41
4310	NYSE	NGS	Fri, Dec 6, 2019	11.30	11.59	11.30	11.50
4309	NYSE	NGS	Thu, Dec 5, 2019	11.13	11.27	11.05	11.19
4308	NYSE	NGS	Wed, Dec 4, 2019	11.07	11.27	11.05	11.16
4307	NYSE	NGS	Tue, Dec 3, 2019	10.90	11.04	10.76	10.99
4306	NYSE	NGS	Mon, Dec 2, 2019	10.85	11.03	10.78	11.02
4305	NYSE	NGS	Fri, Nov 29, 2019	11.00	11.01	10.80	10.84
4304	NYSE	NGS	Wed, Nov 27, 2019	10.83	11.12	10.77	11.00
4303	NYSE	NGS	Tue, Nov 26, 2019	11.11	11.15	10.79	10.81
4302	NYSE	NGS	Mon, Nov 25, 2019	11.08	11.33	11.01	11.13
4301	NYSE	NGS	Fri, Nov 22, 2019	10.91	11.00	10.64	10.97
4300	NYSE	NGS	Thu, Nov 21, 2019	10.85	11.00	10.55	10.72
4299	NYSE	NGS	Wed, Nov 20, 2019	10.74	10.95	10.56	10.80
4298	NYSE	NGS	Tue, Nov 19, 2019	11.19	11.23	10.76	10.77
4297	NYSE	NGS	Mon, Nov 18, 2019	11.08	11.30	11.05	11.26
4296	NYSE	NGS	Fri, Nov 15, 2019	11.41	11.55	11.11	11.18
4295	NYSE	NGS	Thu, Nov 14, 2019	11.21	11.59	11.17	11.34
4294	NYSE	NGS	Wed, Nov 13, 2019	11.11	11.16	10.89	11.13
4293	NYSE	NGS	Tue, Nov 12, 2019	11.22	11.57	11.08	11.24
4292	NYSE	NGS	Mon, Nov 11, 2019	11.00	11.20	10.91	11.18
4291	NYSE	NGS	Fri, Nov 8, 2019	11.31	11.33	10.96	11.16
4290	NYSE	NGS	Thu, Nov 7, 2019	12.50	12.58	11.27	11.35
4289	NYSE	NGS	Wed, Nov 6, 2019	12.67	12.81	12.28	12.28
4288	NYSE	NGS	Tue, Nov 5, 2019	12.73	12.86	12.53	12.69
4287	NYSE	NGS	Mon, Nov 4, 2019	12.58	12.87	12.28	12.69
4286	NYSE	NGS	Fri, Nov 1, 2019	11.95	12.57	11.95	12.44
4285	NYSE	NGS	Thu, Oct 31, 2019	12.08	12.15	11.81	11.89
4284	NYSE	NGS	Wed, Oct 30, 2019	12.55	12.57	12.03	12.09
4283	NYSE	NGS	Tue, Oct 29, 2019	12.46	12.68	12.38	12.55
4282	NYSE	NGS	Mon, Oct 28, 2019	12.81	12.97	12.26	12.49
4281	NYSE	NGS	Fri, Oct 25, 2019	12.71	13.05	12.66	12.72
4280	NYSE	NGS	Thu, Oct 24, 2019	12.67	12.76	12.23	12.71
4279	NYSE	NGS	Wed, Oct 23, 2019	12.31	12.67	12.10	12.60
4278	NYSE	NGS	Tue, Oct 22, 2019	12.06	12.41	12.03	12.31
4277	NYSE	NGS	Mon, Oct 21, 2019	12.10	12.31	11.95	12.12
4276	NYSE	NGS	Fri, Oct 18, 2019	12.04	12.31	11.94	12.00
4275	NYSE	NGS	Thu, Oct 17, 2019	12.06	12.19	11.89	12.14
4274	NYSE	NGS	Wed, Oct 16, 2019	12.12	12.39	12.00	12.04
4273	NYSE	NGS	Tue, Oct 15, 2019	12.02	12.51	11.91	12.16
4272	NYSE	NGS	Mon, Oct 14, 2019	12.00	12.20	11.59	12.01
4271	NYSE	NGS	Fri, Oct 11, 2019	11.87	12.23	11.84	12.02
4270	NYSE	NGS	Thu, Oct 10, 2019	11.79	11.92	11.68	11.70
4269	NYSE	NGS	Wed, Oct 9, 2019	12.12	12.12	11.65	11.77
4268	NYSE	NGS	Tue, Oct 8, 2019	12.01	12.23	11.69	11.96
4267	NYSE	NGS	Mon, Oct 7, 2019	12.10	12.38	12.06	12.10
4266	NYSE	NGS	Fri, Oct 4, 2019	12.15	12.35	11.86	12.24
4265	NYSE	NGS	Thu, Oct 3, 2019	12.01	12.24	11.74	12.16
4264	NYSE	NGS	Wed, Oct 2, 2019	12.15	12.18	11.88	12.08
4263	NYSE	NGS	Tue, Oct 1, 2019	12.83	13.05	12.01	12.26
4262	NYSE	NGS	Mon, Sep 30, 2019	12.85	12.90	12.31	12.81
4261	NYSE	NGS	Fri, Sep 27, 2019	12.70	13.08	12.58	12.85
4260	NYSE	NGS	Thu, Sep 26, 2019	13.20	13.20	12.66	12.75
4259	NYSE	NGS	Wed, Sep 25, 2019	13.41	13.44	13.08	13.20
4258	NYSE	NGS	Tue, Sep 24, 2019	13.71	13.86	13.41	13.42
4257	NYSE	NGS	Mon, Sep 23, 2019	13.71	14.20	13.59	13.81
4256	NYSE	NGS	Fri, Sep 20, 2019	13.29	14.06	13.16	13.90
4255	NYSE	NGS	Thu, Sep 19, 2019	13.27	13.54	13.00	13.28
4254	NYSE	NGS	Wed, Sep 18, 2019	13.67	13.67	13.10	13.25
4253	NYSE	NGS	Tue, Sep 17, 2019	13.73	13.97	13.16	13.84
4252	NYSE	NGS	Mon, Sep 16, 2019	13.66	13.81	13.42	13.72
4251	NYSE	NGS	Fri, Sep 13, 2019	13.63	13.65	12.75	13.26
4250	NYSE	NGS	Thu, Sep 12, 2019	13.42	13.79	12.89	13.55
4249	NYSE	NGS	Wed, Sep 11, 2019	12.94	13.65	12.93	13.54
4248	NYSE	NGS	Tue, Sep 10, 2019	12.56	12.92	12.41	12.84
4247	NYSE	NGS	Mon, Sep 9, 2019	12.30	12.66	12.22	12.49
4246	NYSE	NGS	Fri, Sep 6, 2019	12.04	12.28	11.74	12.17
4245	NYSE	NGS	Thu, Sep 5, 2019	11.92	12.22	11.83	12.11
4244	NYSE	NGS	Wed, Sep 4, 2019	10.91	12.02	10.67	11.74
4243	NYSE	NGS	Tue, Sep 3, 2019	10.64	10.87	10.29	10.74
4242	NYSE	NGS	Fri, Aug 30, 2019	10.81	10.89	10.63	10.78
4241	NYSE	NGS	Thu, Aug 29, 2019	10.68	10.99	10.29	10.75
4240	NYSE	NGS	Wed, Aug 28, 2019	10.54	10.83	10.22	10.57
4239	NYSE	NGS	Tue, Aug 27, 2019	11.30	11.38	10.42	10.51
4238	NYSE	NGS	Mon, Aug 26, 2019	11.21	11.39	11.11	11.27
4237	NYSE	NGS	Fri, Aug 23, 2019	11.49	11.68	11.07	11.14
4236	NYSE	NGS	Thu, Aug 22, 2019	11.89	11.89	11.40	11.56
4235	NYSE	NGS	Wed, Aug 21, 2019	11.71	11.72	11.23	11.60
4234	NYSE	NGS	Tue, Aug 20, 2019	11.22	11.76	10.97	11.54
4233	NYSE	NGS	Mon, Aug 19, 2019	11.42	11.58	11.09	11.27
4232	NYSE	NGS	Fri, Aug 16, 2019	10.98	11.37	10.92	11.26
4231	NYSE	NGS	Thu, Aug 15, 2019	10.98	11.28	10.79	10.96
4230	NYSE	NGS	Wed, Aug 14, 2019	11.34	11.55	11.00	11.03
4229	NYSE	NGS	Tue, Aug 13, 2019	11.73	12.03	11.48	11.50
4228	NYSE	NGS	Mon, Aug 12, 2019	12.00	12.26	11.52	11.75
4227	NYSE	NGS	Fri, Aug 9, 2019	13.05	13.18	12.28	12.43
4226	NYSE	NGS	Thu, Aug 8, 2019	13.85	14.10	12.99	13.01
4225	NYSE	NGS	Wed, Aug 7, 2019	13.99	14.19	13.58	13.82
4224	NYSE	NGS	Tue, Aug 6, 2019	14.40	14.81	13.90	14.25
4223	NYSE	NGS	Mon, Aug 5, 2019	14.84	15.08	14.42	14.42
4222	NYSE	NGS	Fri, Aug 2, 2019	15.52	15.52	14.89	15.10
4221	NYSE	NGS	Thu, Aug 1, 2019	16.25	16.50	15.50	15.56
4220	NYSE	NGS	Wed, Jul 31, 2019	15.96	16.63	15.96	16.04
4219	NYSE	NGS	Tue, Jul 30, 2019	15.20	15.99	15.19	15.94
4218	NYSE	NGS	Mon, Jul 29, 2019	16.09	16.09	15.22	15.31
4217	NYSE	NGS	Fri, Jul 26, 2019	16.51	16.61	16.04	16.07
4216	NYSE	NGS	Thu, Jul 25, 2019	16.49	16.61	16.13	16.40
4215	NYSE	NGS	Wed, Jul 24, 2019	16.09	16.58	15.86	16.47
4214	NYSE	NGS	Tue, Jul 23, 2019	15.44	16.15	15.44	16.08
4213	NYSE	NGS	Mon, Jul 22, 2019	16.13	16.25	15.38	15.39
4212	NYSE	NGS	Fri, Jul 19, 2019	15.46	16.25	15.08	16.13
4211	NYSE	NGS	Thu, Jul 18, 2019	15.55	15.56	15.20	15.49
4210	NYSE	NGS	Wed, Jul 17, 2019	15.81	15.93	15.26	15.44
4209	NYSE	NGS	Tue, Jul 16, 2019	15.82	16.08	15.60	15.82
4208	NYSE	NGS	Mon, Jul 15, 2019	16.09	16.09	15.50	15.78
4207	NYSE	NGS	Fri, Jul 12, 2019	16.24	16.36	15.82	16.08
4206	NYSE	NGS	Thu, Jul 11, 2019	16.05	16.31	15.93	16.26
4205	NYSE	NGS	Wed, Jul 10, 2019	16.10	16.30	15.87	16.05
4204	NYSE	NGS	Tue, Jul 9, 2019	16.23	16.23	15.98	16.03
4203	NYSE	NGS	Mon, Jul 8, 2019	16.00	16.44	15.95	16.31
4202	NYSE	NGS	Fri, Jul 5, 2019	16.01	16.28	15.90	16.16
4201	NYSE	NGS	Wed, Jul 3, 2019	16.19	16.24	15.81	16.06
4200	NYSE	NGS	Tue, Jul 2, 2019	16.33	16.45	16.04	16.19
4199	NYSE	NGS	Mon, Jul 1, 2019	16.50	16.69	16.23	16.31
4198	NYSE	NGS	Fri, Jun 28, 2019	15.75	16.73	15.75	16.50
4197	NYSE	NGS	Thu, Jun 27, 2019	15.63	15.79	15.40	15.77
4196	NYSE	NGS	Wed, Jun 26, 2019	15.69	15.85	15.52	15.55
4195	NYSE	NGS	Tue, Jun 25, 2019	15.26	15.85	15.19	15.55
4194	NYSE	NGS	Mon, Jun 24, 2019	15.31	15.48	15.15	15.26
4193	NYSE	NGS	Fri, Jun 21, 2019	15.65	15.70	15.14	15.37
4192	NYSE	NGS	Thu, Jun 20, 2019	15.36	15.82	15.24	15.74
4191	NYSE	NGS	Wed, Jun 19, 2019	15.38	15.41	15.04	15.33
4190	NYSE	NGS	Tue, Jun 18, 2019	15.65	15.84	15.32	15.39
4189	NYSE	NGS	Mon, Jun 17, 2019	15.42	15.74	15.20	15.54
4188	NYSE	NGS	Fri, Jun 14, 2019	15.90	15.90	15.41	15.42
4187	NYSE	NGS	Thu, Jun 13, 2019	15.70	16.05	15.50	15.85
4186	NYSE	NGS	Wed, Jun 12, 2019	16.25	16.25	15.33	15.48
4185	NYSE	NGS	Tue, Jun 11, 2019	16.38	16.58	16.19	16.29
4184	NYSE	NGS	Mon, Jun 10, 2019	15.89	16.23	15.89	16.13
4183	NYSE	NGS	Fri, Jun 7, 2019	15.42	16.02	15.42	15.83
4182	NYSE	NGS	Thu, Jun 6, 2019	15.20	15.66	15.01	15.49
4181	NYSE	NGS	Wed, Jun 5, 2019	15.29	15.33	14.99	15.07
4180	NYSE	NGS	Tue, Jun 4, 2019	15.35	15.35	14.93	15.27
4179	NYSE	NGS	Mon, Jun 3, 2019	15.20	15.42	15.05	15.19
4178	NYSE	NGS	Fri, May 31, 2019	15.19	15.25	14.89	15.23
4177	NYSE	NGS	Thu, May 30, 2019	15.41	15.60	14.87	15.49
4176	NYSE	NGS	Wed, May 29, 2019	15.47	15.63	15.08	15.42
4175	NYSE	NGS	Tue, May 28, 2019	15.87	16.39	15.41	15.43
4174	NYSE	NGS	Fri, May 24, 2019	15.85	15.97	15.61	15.86
4173	NYSE	NGS	Thu, May 23, 2019	15.70	15.91	15.29	15.74
4172	NYSE	NGS	Wed, May 22, 2019	16.02	16.02	15.70	16.00
4171	NYSE	NGS	Tue, May 21, 2019	15.89	16.20	15.87	16.00
4170	NYSE	NGS	Mon, May 20, 2019	15.70	15.94	15.54	15.86
4169	NYSE	NGS	Fri, May 17, 2019	16.03	16.03	15.51	15.79
4168	NYSE	NGS	Thu, May 16, 2019	16.28	16.45	15.74	16.20
4167	NYSE	NGS	Wed, May 15, 2019	15.66	16.63	15.66	16.19
4166	NYSE	NGS	Tue, May 14, 2019	15.87	16.14	15.25	15.76
4165	NYSE	NGS	Mon, May 13, 2019	15.96	16.29	15.41	15.84
4164	NYSE	NGS	Fri, May 10, 2019	16.62	16.62	15.95	16.20
4163	NYSE	NGS	Thu, May 9, 2019	16.36	16.44	16.08	16.23
4162	NYSE	NGS	Wed, May 8, 2019	16.01	16.42	16.01	16.13
4161	NYSE	NGS	Tue, May 7, 2019	16.52	16.54	16.01	16.01
4160	NYSE	NGS	Mon, May 6, 2019	16.49	16.87	16.41	16.62
4159	NYSE	NGS	Fri, May 3, 2019	16.34	16.79	16.04	16.71
4158	NYSE	NGS	Thu, May 2, 2019	16.11	16.53	15.80	16.21
4157	NYSE	NGS	Wed, May 1, 2019	16.07	16.47	15.70	16.20
4156	NYSE	NGS	Tue, Apr 30, 2019	16.53	16.61	15.92	16.07
4155	NYSE	NGS	Mon, Apr 29, 2019	16.88	17.28	16.45	16.54
4154	NYSE	NGS	Fri, Apr 26, 2019	16.79	16.96	16.63	16.87
4153	NYSE	NGS	Thu, Apr 25, 2019	17.10	17.14	16.65	16.66
4152	NYSE	NGS	Wed, Apr 24, 2019	17.42	17.60	17.13	17.26
4151	NYSE	NGS	Tue, Apr 23, 2019	18.03	18.03	17.33	17.39
4150	NYSE	NGS	Mon, Apr 22, 2019	17.66	18.00	17.61	17.94
4149	NYSE	NGS	Thu, Apr 18, 2019	17.79	17.88	17.33	17.69
4148	NYSE	NGS	Wed, Apr 17, 2019	18.24	18.24	17.70	17.83
4147	NYSE	NGS	Tue, Apr 16, 2019	17.43	18.08	17.43	18.03
4146	NYSE	NGS	Mon, Apr 15, 2019	17.46	17.79	17.00	17.25
4145	NYSE	NGS	Fri, Apr 12, 2019	18.14	18.14	17.37	17.45
4144	NYSE	NGS	Thu, Apr 11, 2019	17.98	18.25	17.78	17.88
4143	NYSE	NGS	Wed, Apr 10, 2019	18.03	18.36	17.95	18.01
4142	NYSE	NGS	Tue, Apr 9, 2019	18.19	18.19	17.65	17.78
4141	NYSE	NGS	Mon, Apr 8, 2019	18.24	18.73	18.12	18.17
4140	NYSE	NGS	Fri, Apr 5, 2019	18.20	18.60	18.20	18.45
4139	NYSE	NGS	Thu, Apr 4, 2019	18.28	18.58	18.02	18.20
4138	NYSE	NGS	Wed, Apr 3, 2019	18.20	18.74	18.00	18.18
4137	NYSE	NGS	Tue, Apr 2, 2019	17.73	18.18	17.37	18.10
4136	NYSE	NGS	Mon, Apr 1, 2019	17.35	17.76	17.22	17.67
4135	NYSE	NGS	Fri, Mar 29, 2019	17.49	17.53	16.82	17.31
4134	NYSE	NGS	Thu, Mar 28, 2019	17.40	17.47	17.05	17.29
4133	NYSE	NGS	Wed, Mar 27, 2019	17.47	17.53	17.26	17.39
4132	NYSE	NGS	Tue, Mar 26, 2019	17.44	17.63	17.17	17.53
4131	NYSE	NGS	Mon, Mar 25, 2019	16.82	17.56	16.42	17.31
4130	NYSE	NGS	Fri, Mar 22, 2019	17.75	17.78	16.86	16.89
4129	NYSE	NGS	Thu, Mar 21, 2019	18.18	18.38	17.69	17.84
4128	NYSE	NGS	Wed, Mar 20, 2019	17.79	18.25	17.62	18.09
4127	NYSE	NGS	Tue, Mar 19, 2019	18.05	18.05	17.51	17.80
4126	NYSE	NGS	Mon, Mar 18, 2019	18.18	18.37	17.83	18.04
4125	NYSE	NGS	Fri, Mar 15, 2019	18.29	18.75	18.02	18.07
4124	NYSE	NGS	Thu, Mar 14, 2019	18.23	18.70	17.76	18.40
4123	NYSE	NGS	Wed, Mar 13, 2019	18.56	18.90	18.21	18.39
4122	NYSE	NGS	Tue, Mar 12, 2019	17.94	18.53	17.73	18.51
4121	NYSE	NGS	Mon, Mar 11, 2019	17.89	17.96	17.50	17.92
4120	NYSE	NGS	Fri, Mar 8, 2019	18.02	18.02	17.52	17.56
4119	NYSE	NGS	Thu, Mar 7, 2019	17.84	18.23	17.42	18.17
4118	NYSE	NGS	Wed, Mar 6, 2019	17.54	18.10	17.51	17.84
4117	NYSE	NGS	Tue, Mar 5, 2019	18.46	18.76	17.44	17.56
4116	NYSE	NGS	Mon, Mar 4, 2019	18.97	19.22	18.31	18.37
4115	NYSE	NGS	Fri, Mar 1, 2019	18.58	19.11	18.39	19.02
4114	NYSE	NGS	Thu, Feb 28, 2019	18.47	18.63	18.28	18.48
4113	NYSE	NGS	Wed, Feb 27, 2019	18.61	18.93	18.25	18.50
4112	NYSE	NGS	Tue, Feb 26, 2019	18.74	19.20	18.41	18.58
4111	NYSE	NGS	Mon, Feb 25, 2019	17.76	18.87	17.34	18.75
4110	NYSE	NGS	Fri, Feb 22, 2019	18.16	18.38	17.80	17.91
4109	NYSE	NGS	Thu, Feb 21, 2019	18.14	18.40	17.84	18.08
4108	NYSE	NGS	Wed, Feb 20, 2019	18.60	18.64	18.12	18.16
4107	NYSE	NGS	Tue, Feb 19, 2019	18.30	18.78	18.30	18.68
4106	NYSE	NGS	Fri, Feb 15, 2019	18.17	18.80	18.07	18.28
4105	NYSE	NGS	Thu, Feb 14, 2019	17.76	18.20	17.76	18.04
4104	NYSE	NGS	Wed, Feb 13, 2019	18.31	18.69	17.67	17.75
4103	NYSE	NGS	Tue, Feb 12, 2019	18.40	18.64	18.21	18.34
4102	NYSE	NGS	Mon, Feb 11, 2019	17.69	18.26	17.69	18.26
4101	NYSE	NGS	Fri, Feb 8, 2019	17.84	18.00	17.52	17.74
4100	NYSE	NGS	Thu, Feb 7, 2019	17.96	18.14	17.66	17.89
4099	NYSE	NGS	Wed, Feb 6, 2019	17.76	18.25	17.76	18.19
4098	NYSE	NGS	Tue, Feb 5, 2019	17.00	17.80	16.99	17.75
4097	NYSE	NGS	Mon, Feb 4, 2019	16.70	17.24	16.68	16.99
4096	NYSE	NGS	Fri, Feb 1, 2019	16.67	16.96	16.45	16.70
4095	NYSE	NGS	Thu, Jan 31, 2019	16.75	16.92	16.35	16.51
4094	NYSE	NGS	Wed, Jan 30, 2019	17.00	17.00	16.66	16.97
4093	NYSE	NGS	Tue, Jan 29, 2019	16.77	17.33	16.77	16.91
4092	NYSE	NGS	Mon, Jan 28, 2019	17.08	17.20	16.67	16.94
4091	NYSE	NGS	Fri, Jan 25, 2019	17.09	17.68	16.83	17.20
4090	NYSE	NGS	Thu, Jan 24, 2019	16.84	17.00	16.50	17.00
4089	NYSE	NGS	Wed, Jan 23, 2019	17.40	17.43	16.51	16.60
4088	NYSE	NGS	Tue, Jan 22, 2019	17.70	17.75	17.36	17.37
4087	NYSE	NGS	Fri, Jan 18, 2019	17.75	18.00	17.61	17.82
4086	NYSE	NGS	Thu, Jan 17, 2019	17.69	18.01	17.33	17.56
4085	NYSE	NGS	Wed, Jan 16, 2019	17.82	18.25	17.82	18.00
4084	NYSE	NGS	Tue, Jan 15, 2019	17.52	18.04	17.52	17.76
4083	NYSE	NGS	Mon, Jan 14, 2019	17.87	18.27	17.44	17.44
4082	NYSE	NGS	Fri, Jan 11, 2019	18.29	18.83	17.64	17.90
4081	NYSE	NGS	Thu, Jan 10, 2019	18.33	18.71	17.84	18.38
4080	NYSE	NGS	Wed, Jan 9, 2019	18.37	18.94	18.05	18.57
4079	NYSE	NGS	Tue, Jan 8, 2019	18.53	18.71	18.10	18.28
4078	NYSE	NGS	Mon, Jan 7, 2019	18.31	18.51	17.94	18.34
4077	NYSE	NGS	Fri, Jan 4, 2019	18.43	18.50	18.00	18.29
4076	NYSE	NGS	Thu, Jan 3, 2019	18.10	18.49	17.70	18.20
4075	NYSE	NGS	Wed, Jan 2, 2019	16.42	17.94	16.07	17.71
4074	NYSE	NGS	Mon, Dec 31, 2018	15.54	16.45	15.54	16.44
4073	NYSE	NGS	Fri, Dec 28, 2018	15.97	16.20	15.42	15.42
4072	NYSE	NGS	Thu, Dec 27, 2018	16.37	16.43	15.82	15.97
4071	NYSE	NGS	Wed, Dec 26, 2018	16.03	16.81	16.03	16.65
4070	NYSE	NGS	Mon, Dec 24, 2018	15.86	16.37	15.75	15.75
4069	NYSE	NGS	Fri, Dec 21, 2018	16.29	16.51	15.72	15.80
4068	NYSE	NGS	Thu, Dec 20, 2018	16.72	17.06	16.00	16.34
4067	NYSE	NGS	Wed, Dec 19, 2018	17.78	17.82	16.68	16.73
4066	NYSE	NGS	Tue, Dec 18, 2018	18.28	18.43	17.82	17.91
4065	NYSE	NGS	Mon, Dec 17, 2018	17.87	18.32	17.68	18.19
4064	NYSE	NGS	Fri, Dec 14, 2018	18.17	18.18	17.50	17.90
4063	NYSE	NGS	Thu, Dec 13, 2018	18.98	19.02	17.96	18.25
4062	NYSE	NGS	Wed, Dec 12, 2018	17.94	18.96	17.94	18.91
4061	NYSE	NGS	Tue, Dec 11, 2018	18.80	18.94	17.70	17.90
4060	NYSE	NGS	Mon, Dec 10, 2018	19.65	20.06	18.33	18.51
4059	NYSE	NGS	Fri, Dec 7, 2018	19.08	19.79	19.08	19.61
4058	NYSE	NGS	Thu, Dec 6, 2018	19.55	19.73	18.50	18.93
4057	NYSE	NGS	Tue, Dec 4, 2018	20.17	20.61	19.68	19.92
4056	NYSE	NGS	Mon, Dec 3, 2018	20.06	20.45	19.87	20.30
4055	NYSE	NGS	Fri, Nov 30, 2018	19.63	20.07	19.21	19.73
4054	NYSE	NGS	Thu, Nov 29, 2018	20.57	20.85	19.60	19.68
4053	NYSE	NGS	Wed, Nov 28, 2018	20.19	20.72	20.19	20.66
4052	NYSE	NGS	Tue, Nov 27, 2018	20.27	20.64	19.95	20.09
4051	NYSE	NGS	Mon, Nov 26, 2018	20.18	20.46	20.07	20.34
4050	NYSE	NGS	Fri, Nov 23, 2018	20.30	20.39	20.02	20.19
4049	NYSE	NGS	Wed, Nov 21, 2018	20.64	21.00	20.40	20.56
4048	NYSE	NGS	Tue, Nov 20, 2018	20.66	20.76	20.24	20.47
4047	NYSE	NGS	Mon, Nov 19, 2018	20.42	21.09	20.42	20.90
4046	NYSE	NGS	Fri, Nov 16, 2018	20.75	20.80	20.25	20.65
4045	NYSE	NGS	Thu, Nov 15, 2018	21.00	21.21	20.78	20.79
4044	NYSE	NGS	Wed, Nov 14, 2018	20.97	21.20	20.43	21.10
4043	NYSE	NGS	Tue, Nov 13, 2018	20.45	21.11	20.19	20.57
4042	NYSE	NGS	Mon, Nov 12, 2018	20.01	20.92	19.89	20.42
4041	NYSE	NGS	Fri, Nov 9, 2018	20.00	20.15	19.88	20.00
4040	NYSE	NGS	Thu, Nov 8, 2018	19.41	20.60	19.13	20.10
4039	NYSE	NGS	Wed, Nov 7, 2018	19.30	19.71	18.95	19.44
4038	NYSE	NGS	Tue, Nov 6, 2018	18.95	19.32	18.75	19.02
4037	NYSE	NGS	Mon, Nov 5, 2018	19.28	19.78	18.86	18.98
4036	NYSE	NGS	Fri, Nov 2, 2018	19.20	19.82	18.86	19.29
4035	NYSE	NGS	Thu, Nov 1, 2018	19.35	19.35	18.83	19.05
4034	NYSE	NGS	Wed, Oct 31, 2018	19.06	19.36	18.54	19.30
4033	NYSE	NGS	Tue, Oct 30, 2018	18.55	19.10	18.51	18.83
4032	NYSE	NGS	Mon, Oct 29, 2018	18.41	18.70	18.20	18.46
4031	NYSE	NGS	Fri, Oct 26, 2018	17.78	18.85	17.50	18.23
4030	NYSE	NGS	Thu, Oct 25, 2018	17.68	18.24	17.68	18.10
4029	NYSE	NGS	Wed, Oct 24, 2018	18.68	18.69	17.62	17.68
4028	NYSE	NGS	Tue, Oct 23, 2018	18.71	18.73	18.19	18.66
4027	NYSE	NGS	Mon, Oct 22, 2018	19.20	19.35	18.93	18.99
4026	NYSE	NGS	Fri, Oct 19, 2018	19.26	19.41	18.65	19.19
4025	NYSE	NGS	Thu, Oct 18, 2018	19.62	19.75	19.10	19.36
4024	NYSE	NGS	Wed, Oct 17, 2018	20.11	20.54	19.77	19.89
4023	NYSE	NGS	Tue, Oct 16, 2018	19.75	20.18	19.73	20.13
4022	NYSE	NGS	Mon, Oct 15, 2018	19.35	19.93	19.22	19.73
4021	NYSE	NGS	Fri, Oct 12, 2018	19.55	20.01	18.78	19.47
4020	NYSE	NGS	Thu, Oct 11, 2018	19.55	19.97	19.27	19.27
4019	NYSE	NGS	Wed, Oct 10, 2018	20.53	20.56	19.58	19.69
4018	NYSE	NGS	Tue, Oct 9, 2018	20.43	20.90	20.13	20.56
4017	NYSE	NGS	Mon, Oct 8, 2018	19.95	20.65	19.78	20.50
4016	NYSE	NGS	Fri, Oct 5, 2018	20.51	20.51	19.74	19.90
4015	NYSE	NGS	Thu, Oct 4, 2018	21.17	21.17	20.43	20.51
4014	NYSE	NGS	Wed, Oct 3, 2018	20.58	21.02	20.34	20.79
4013	NYSE	NGS	Tue, Oct 2, 2018	20.95	21.07	20.41	20.48
4012	NYSE	NGS	Mon, Oct 1, 2018	21.22	21.22	20.87	20.93
4011	NYSE	NGS	Fri, Sep 28, 2018	21.00	21.48	20.85	21.10
4010	NYSE	NGS	Thu, Sep 27, 2018	21.05	21.45	20.95	21.00
4009	NYSE	NGS	Wed, Sep 26, 2018	21.20	21.55	20.95	21.10
4008	NYSE	NGS	Tue, Sep 25, 2018	21.25	21.40	21.10	21.30
4007	NYSE	NGS	Mon, Sep 24, 2018	20.95	21.35	20.50	20.80
4006	NYSE	NGS	Fri, Sep 21, 2018	21.25	21.50	20.85	20.95
4005	NYSE	NGS	Thu, Sep 20, 2018	21.25	21.55	21.15	21.35
4004	NYSE	NGS	Wed, Sep 19, 2018	21.50	21.90	21.10	21.15
4003	NYSE	NGS	Tue, Sep 18, 2018	21.35	21.70	21.35	21.50
4002	NYSE	NGS	Mon, Sep 17, 2018	21.63	21.75	21.15	21.25
4001	NYSE	NGS	Fri, Sep 14, 2018	21.40	21.93	21.35	21.55
4000	NYSE	NGS	Thu, Sep 13, 2018	21.45	21.65	21.20	21.35
3999	NYSE	NGS	Wed, Sep 12, 2018	21.55	21.65	21.30	21.35
3998	NYSE	NGS	Tue, Sep 11, 2018	21.80	21.80	21.45	21.50
3997	NYSE	NGS	Mon, Sep 10, 2018	22.05	22.25	21.65	21.85
3996	NYSE	NGS	Fri, Sep 7, 2018	21.90	22.05	21.60	22.05
3995	NYSE	NGS	Thu, Sep 6, 2018	22.10	22.25	21.80	21.90
3994	NYSE	NGS	Wed, Sep 5, 2018	22.05	22.15	21.60	22.05
3993	NYSE	NGS	Tue, Sep 4, 2018	22.05	22.25	21.78	22.15
3992	NYSE	NGS	Fri, Aug 31, 2018	21.80	22.20	21.60	22.10
3991	NYSE	NGS	Thu, Aug 30, 2018	22.15	22.15	21.64	21.80
3990	NYSE	NGS	Wed, Aug 29, 2018	21.60	22.10	21.60	22.00
3989	NYSE	NGS	Tue, Aug 28, 2018	21.90	22.05	21.60	21.65
3988	NYSE	NGS	Mon, Aug 27, 2018	22.10	22.10	21.55	21.90
3987	NYSE	NGS	Fri, Aug 24, 2018	22.40	23.00	22.00	22.00
3986	NYSE	NGS	Thu, Aug 23, 2018	22.40	22.60	21.90	22.35
3985	NYSE	NGS	Wed, Aug 22, 2018	21.70	22.25	21.60	22.00
3984	NYSE	NGS	Tue, Aug 21, 2018	21.60	22.10	21.55	21.70
3983	NYSE	NGS	Mon, Aug 20, 2018	21.65	22.00	21.30	21.55
3982	NYSE	NGS	Fri, Aug 17, 2018	21.25	21.60	21.25	21.50
3981	NYSE	NGS	Thu, Aug 16, 2018	21.35	21.60	21.15	21.35
3980	NYSE	NGS	Wed, Aug 15, 2018	22.00	22.00	21.15	21.30
3979	NYSE	NGS	Tue, Aug 14, 2018	22.20	22.55	21.95	22.05
3978	NYSE	NGS	Mon, Aug 13, 2018	22.40	22.40	21.80	22.20
3977	NYSE	NGS	Fri, Aug 10, 2018	22.80	22.95	22.25	22.40
3976	NYSE	NGS	Thu, Aug 9, 2018	22.35	23.35	21.90	23.00
3975	NYSE	NGS	Wed, Aug 8, 2018	22.55	22.55	22.25	22.30
3974	NYSE	NGS	Tue, Aug 7, 2018	22.60	22.80	22.55	22.60
3973	NYSE	NGS	Mon, Aug 6, 2018	22.10	22.37	22.00	22.30
3972	NYSE	NGS	Fri, Aug 3, 2018	22.05	22.25	21.95	22.15
3971	NYSE	NGS	Thu, Aug 2, 2018	21.70	22.10	21.55	22.00
3970	NYSE	NGS	Wed, Aug 1, 2018	21.85	22.10	21.45	21.95
3969	NYSE	NGS	Tue, Jul 31, 2018	21.95	22.35	21.80	22.10
3968	NYSE	NGS	Mon, Jul 30, 2018	22.15	22.55	21.90	21.95
3967	NYSE	NGS	Fri, Jul 27, 2018	22.65	22.88	21.80	22.05
3966	NYSE	NGS	Thu, Jul 26, 2018	22.25	22.80	22.05	22.65
3965	NYSE	NGS	Wed, Jul 25, 2018	22.30	22.45	21.88	22.30
3964	NYSE	NGS	Tue, Jul 24, 2018	22.65	22.75	22.20	22.40
3963	NYSE	NGS	Mon, Jul 23, 2018	22.45	22.55	21.95	22.40
3962	NYSE	NGS	Fri, Jul 20, 2018	22.30	22.40	21.95	22.25
3961	NYSE	NGS	Thu, Jul 19, 2018	21.85	22.60	21.75	22.30
3960	NYSE	NGS	Wed, Jul 18, 2018	22.10	22.15	21.75	21.95
3959	NYSE	NGS	Tue, Jul 17, 2018	22.20	22.58	21.80	22.10
3958	NYSE	NGS	Mon, Jul 16, 2018	22.60	22.65	21.90	22.15
3957	NYSE	NGS	Fri, Jul 13, 2018	22.65	23.05	22.55	22.60
3956	NYSE	NGS	Thu, Jul 12, 2018	23.10	23.10	22.50	22.60
3955	NYSE	NGS	Wed, Jul 11, 2018	23.45	24.00	23.00	23.05
3954	NYSE	NGS	Tue, Jul 10, 2018	23.75	24.35	23.65	23.70
3953	NYSE	NGS	Mon, Jul 9, 2018	24.00	24.25	23.70	23.80
3952	NYSE	NGS	Fri, Jul 6, 2018	24.08	24.30	23.90	23.95
3951	NYSE	NGS	Thu, Jul 5, 2018	24.15	24.15	23.50	24.00
3950	NYSE	NGS	Tue, Jul 3, 2018	23.55	24.50	23.25	23.95
3949	NYSE	NGS	Mon, Jul 2, 2018	23.40	23.45	22.90	23.40
3948	NYSE	NGS	Fri, Jun 29, 2018	23.05	23.65	22.85	23.60
3947	NYSE	NGS	Thu, Jun 28, 2018	23.20	23.70	22.80	22.90
3946	NYSE	NGS	Wed, Jun 27, 2018	23.95	24.25	23.15	23.20
3945	NYSE	NGS	Tue, Jun 26, 2018	23.45	24.00	23.45	23.90
3944	NYSE	NGS	Mon, Jun 25, 2018	23.60	23.60	22.75	23.50
3943	NYSE	NGS	Fri, Jun 22, 2018	23.40	24.00	23.40	23.60
3942	NYSE	NGS	Thu, Jun 21, 2018	22.85	23.10	22.60	23.00
3941	NYSE	NGS	Wed, Jun 20, 2018	22.10	23.20	22.00	23.05
3940	NYSE	NGS	Tue, Jun 19, 2018	21.85	22.10	21.70	22.00
3939	NYSE	NGS	Mon, Jun 18, 2018	22.10	22.45	21.90	22.05
3938	NYSE	NGS	Fri, Jun 15, 2018	22.05	22.50	21.90	22.10
3937	NYSE	NGS	Thu, Jun 14, 2018	22.00	22.75	21.95	22.10
3936	NYSE	NGS	Wed, Jun 13, 2018	22.25	22.45	21.90	21.90
3935	NYSE	NGS	Tue, Jun 12, 2018	22.55	22.75	22.30	22.40
3934	NYSE	NGS	Mon, Jun 11, 2018	22.70	23.13	22.55	22.65
3933	NYSE	NGS	Fri, Jun 8, 2018	23.15	23.35	22.63	22.75
3932	NYSE	NGS	Thu, Jun 7, 2018	23.25	23.65	23.10	23.15
3931	NYSE	NGS	Wed, Jun 6, 2018	22.80	23.45	22.75	23.15
3930	NYSE	NGS	Tue, Jun 5, 2018	22.55	22.98	22.40	22.80
3929	NYSE	NGS	Mon, Jun 4, 2018	22.95	23.10	22.40	22.60
3928	NYSE	NGS	Fri, Jun 1, 2018	23.20	23.25	22.65	22.95
3927	NYSE	NGS	Thu, May 31, 2018	24.15	24.15	23.03	23.05
3926	NYSE	NGS	Wed, May 30, 2018	23.45	24.05	23.45	23.80
3925	NYSE	NGS	Tue, May 29, 2018	23.35	23.70	23.15	23.40
3924	NYSE	NGS	Fri, May 25, 2018	23.65	23.65	23.20	23.40
3923	NYSE	NGS	Thu, May 24, 2018	23.65	23.90	23.20	23.90
3922	NYSE	NGS	Wed, May 23, 2018	23.60	23.85	23.45	23.75
3921	NYSE	NGS	Tue, May 22, 2018	24.05	24.35	23.50	23.65
3920	NYSE	NGS	Mon, May 21, 2018	24.15	24.15	23.75	24.00
3919	NYSE	NGS	Fri, May 18, 2018	24.50	24.50	23.90	23.95
3918	NYSE	NGS	Thu, May 17, 2018	24.05	24.60	24.05	24.35
3917	NYSE	NGS	Wed, May 16, 2018	23.95	24.20	23.90	24.05
3916	NYSE	NGS	Tue, May 15, 2018	23.90	24.30	23.78	24.00
3915	NYSE	NGS	Mon, May 14, 2018	24.45	24.45	23.75	23.90
3914	NYSE	NGS	Fri, May 11, 2018	25.00	25.00	24.40	24.45
3913	NYSE	NGS	Thu, May 10, 2018	25.00	25.10	24.80	24.95
3912	NYSE	NGS	Wed, May 9, 2018	25.20	25.55	24.95	25.05
3911	NYSE	NGS	Tue, May 8, 2018	25.20	25.20	24.65	25.05
3910	NYSE	NGS	Mon, May 7, 2018	25.25	25.70	25.05	25.30
3909	NYSE	NGS	Fri, May 4, 2018	24.50	25.40	24.40	25.20
3908	NYSE	NGS	Thu, May 3, 2018	23.70	24.70	23.65	24.65
3907	NYSE	NGS	Wed, May 2, 2018	24.00	24.45	23.65	23.75
3906	NYSE	NGS	Tue, May 1, 2018	24.10	24.15	23.70	23.95
3905	NYSE	NGS	Mon, Apr 30, 2018	25.15	25.20	24.05	24.10
3904	NYSE	NGS	Fri, Apr 27, 2018	26.20	26.40	25.10	25.10
3903	NYSE	NGS	Thu, Apr 26, 2018	26.10	26.60	26.10	26.15
3902	NYSE	NGS	Wed, Apr 25, 2018	26.05	26.30	25.90	26.05
3901	NYSE	NGS	Tue, Apr 24, 2018	26.40	26.45	25.70	26.05
3900	NYSE	NGS	Mon, Apr 23, 2018	26.50	26.50	25.80	26.25
3899	NYSE	NGS	Fri, Apr 20, 2018	26.40	26.70	26.30	26.55
3898	NYSE	NGS	Thu, Apr 19, 2018	26.20	26.40	26.00	26.30
3897	NYSE	NGS	Wed, Apr 18, 2018	25.85	26.65	25.85	26.30
3896	NYSE	NGS	Tue, Apr 17, 2018	26.00	26.13	25.65	25.85
3895	NYSE	NGS	Mon, Apr 16, 2018	25.50	26.20	25.25	25.85
3894	NYSE	NGS	Fri, Apr 13, 2018	25.45	25.70	25.25	25.40
3893	NYSE	NGS	Thu, Apr 12, 2018	25.60	25.90	25.35	25.40
3892	NYSE	NGS	Wed, Apr 11, 2018	25.10	25.68	24.90	25.45
3891	NYSE	NGS	Tue, Apr 10, 2018	24.90	25.50	24.75	25.20
3890	NYSE	NGS	Mon, Apr 9, 2018	24.65	24.80	24.40	24.50
3889	NYSE	NGS	Fri, Apr 6, 2018	24.75	25.00	24.40	24.50
3888	NYSE	NGS	Thu, Apr 5, 2018	24.60	25.35	24.50	24.85
3887	NYSE	NGS	Wed, Apr 4, 2018	24.20	24.75	24.05	24.40
3886	NYSE	NGS	Tue, Apr 3, 2018	24.40	24.70	23.85	24.55
3885	NYSE	NGS	Mon, Apr 2, 2018	24.00	24.45	23.60	24.35
3884	NYSE	NGS	Thu, Mar 29, 2018	23.40	24.05	23.40	23.85
3883	NYSE	NGS	Wed, Mar 28, 2018	23.35	23.80	23.05	23.30
3882	NYSE	NGS	Tue, Mar 27, 2018	23.80	24.65	23.28	23.40
3881	NYSE	NGS	Mon, Mar 26, 2018	24.20	24.60	23.51	24.10
3880	NYSE	NGS	Fri, Mar 23, 2018	24.45	24.85	23.90	23.90
3879	NYSE	NGS	Thu, Mar 22, 2018	25.10	25.45	24.30	24.40
3878	NYSE	NGS	Wed, Mar 21, 2018	24.81	25.85	24.81	25.40
3877	NYSE	NGS	Tue, Mar 20, 2018	25.15	25.85	24.90	24.95
3876	NYSE	NGS	Mon, Mar 19, 2018	25.15	25.45	24.85	25.10
3875	NYSE	NGS	Fri, Mar 16, 2018	24.55	25.50	24.55	25.15
3874	NYSE	NGS	Thu, Mar 15, 2018	25.40	25.45	24.30	24.55
3873	NYSE	NGS	Wed, Mar 14, 2018	26.30	26.60	25.35	25.35
3872	NYSE	NGS	Tue, Mar 13, 2018	27.65	27.95	26.15	26.25
3871	NYSE	NGS	Mon, Mar 12, 2018	27.40	27.95	27.15	27.80
3870	NYSE	NGS	Fri, Mar 9, 2018	26.65	27.55	26.50	27.45
3869	NYSE	NGS	Thu, Mar 8, 2018	26.20	27.30	26.20	26.45
3868	NYSE	NGS	Wed, Mar 7, 2018	26.30	27.65	26.30	27.50
3867	NYSE	NGS	Tue, Mar 6, 2018	26.85	26.90	26.25	26.45
3866	NYSE	NGS	Mon, Mar 5, 2018	26.40	26.95	26.10	26.70
3865	NYSE	NGS	Fri, Mar 2, 2018	26.10	26.85	25.70	26.60
3864	NYSE	NGS	Thu, Mar 1, 2018	24.75	26.10	24.05	26.05
3863	NYSE	NGS	Wed, Feb 28, 2018	26.85	27.10	24.85	24.90
3862	NYSE	NGS	Tue, Feb 27, 2018	27.25	28.10	26.95	26.95
3861	NYSE	NGS	Mon, Feb 26, 2018	26.75	27.50	26.45	27.35
3860	NYSE	NGS	Fri, Feb 23, 2018	26.25	26.80	26.05	26.70
3859	NYSE	NGS	Thu, Feb 22, 2018	26.55	26.80	25.90	25.90
3858	NYSE	NGS	Wed, Feb 21, 2018	26.30	26.98	26.30	26.35
3857	NYSE	NGS	Tue, Feb 20, 2018	26.70	26.80	25.92	26.20
3856	NYSE	NGS	Fri, Feb 16, 2018	26.50	27.15	26.45	26.70
3855	NYSE	NGS	Thu, Feb 15, 2018	26.50	26.75	26.15	26.70
3854	NYSE	NGS	Wed, Feb 14, 2018	25.55	26.55	25.55	26.30
3853	NYSE	NGS	Tue, Feb 13, 2018	25.60	26.17	25.50	25.90
3852	NYSE	NGS	Mon, Feb 12, 2018	25.60	25.95	25.40	25.80
3851	NYSE	NGS	Fri, Feb 9, 2018	25.85	25.85	24.95	25.50
3850	NYSE	NGS	Thu, Feb 8, 2018	25.65	25.85	25.40	25.60
3849	NYSE	NGS	Wed, Feb 7, 2018	26.30	26.45	25.55	25.60
3848	NYSE	NGS	Tue, Feb 6, 2018	25.55	26.95	25.55	26.25
3847	NYSE	NGS	Mon, Feb 5, 2018	26.90	27.58	26.05	26.10
3846	NYSE	NGS	Fri, Feb 2, 2018	28.00	28.15	27.20	27.20
3845	NYSE	NGS	Thu, Feb 1, 2018	27.60	28.40	27.60	28.30
3844	NYSE	NGS	Wed, Jan 31, 2018	28.65	28.65	27.50	27.55
3843	NYSE	NGS	Tue, Jan 30, 2018	28.40	28.75	28.30	28.55
3842	NYSE	NGS	Mon, Jan 29, 2018	29.00	29.00	28.46	28.65
3841	NYSE	NGS	Fri, Jan 26, 2018	28.95	29.25	28.70	29.10
3840	NYSE	NGS	Thu, Jan 25, 2018	28.90	29.35	28.35	28.85
3839	NYSE	NGS	Wed, Jan 24, 2018	29.00	29.00	28.45	28.60
3838	NYSE	NGS	Tue, Jan 23, 2018	28.90	29.05	28.65	28.80
3837	NYSE	NGS	Mon, Jan 22, 2018	28.65	28.90	28.50	28.80
3836	NYSE	NGS	Fri, Jan 19, 2018	28.40	28.80	28.25	28.65
3835	NYSE	NGS	Thu, Jan 18, 2018	28.95	28.95	28.50	28.65
3834	NYSE	NGS	Wed, Jan 17, 2018	29.05	29.08	28.80	29.00
3833	NYSE	NGS	Tue, Jan 16, 2018	28.95	29.15	28.35	28.85
3832	NYSE	NGS	Fri, Jan 12, 2018	28.15	29.00	28.15	28.80
3831	NYSE	NGS	Thu, Jan 11, 2018	28.00	28.85	27.85	28.65
3830	NYSE	NGS	Wed, Jan 10, 2018	27.85	28.20	27.60	27.95
3829	NYSE	NGS	Tue, Jan 9, 2018	28.05	28.20	27.36	27.95
3828	NYSE	NGS	Mon, Jan 8, 2018	27.25	28.30	27.25	28.15
3827	NYSE	NGS	Fri, Jan 5, 2018	27.85	28.00	27.25	27.40
3826	NYSE	NGS	Thu, Jan 4, 2018	27.70	28.10	27.70	27.75
3825	NYSE	NGS	Wed, Jan 3, 2018	26.75	27.90	26.65	27.60
3824	NYSE	NGS	Tue, Jan 2, 2018	26.20	26.90	26.15	26.80
3823	NYSE	NGS	Fri, Dec 29, 2017	25.85	26.25	25.55	26.20
3822	NYSE	NGS	Thu, Dec 28, 2017	26.20	26.20	25.60	25.85
3821	NYSE	NGS	Wed, Dec 27, 2017	26.10	26.35	25.85	25.95
3820	NYSE	NGS	Tue, Dec 26, 2017	25.85	26.10	25.65	25.95
3819	NYSE	NGS	Fri, Dec 22, 2017	26.15	26.40	25.90	26.00
3818	NYSE	NGS	Thu, Dec 21, 2017	25.80	26.45	25.80	26.15
3817	NYSE	NGS	Wed, Dec 20, 2017	25.50	26.25	25.50	25.75
3816	NYSE	NGS	Tue, Dec 19, 2017	25.45	25.60	25.05	25.40
3815	NYSE	NGS	Mon, Dec 18, 2017	25.90	26.45	25.30	25.40
3814	NYSE	NGS	Fri, Dec 15, 2017	24.45	26.05	24.45	25.70
3813	NYSE	NGS	Thu, Dec 14, 2017	24.80	25.15	24.25	24.40
3812	NYSE	NGS	Wed, Dec 13, 2017	24.85	25.55	24.80	24.95
3811	NYSE	NGS	Tue, Dec 12, 2017	25.15	25.35	24.85	25.00
3810	NYSE	NGS	Mon, Dec 11, 2017	24.70	25.25	24.65	25.10
3809	NYSE	NGS	Fri, Dec 8, 2017	25.10	25.10	24.70	24.70
3808	NYSE	NGS	Thu, Dec 7, 2017	24.80	25.05	24.73	24.90
3807	NYSE	NGS	Wed, Dec 6, 2017	25.55	25.55	24.55	24.90
3806	NYSE	NGS	Tue, Dec 5, 2017	26.80	26.80	25.55	25.55
3805	NYSE	NGS	Mon, Dec 4, 2017	26.35	27.35	26.25	26.75
3804	NYSE	NGS	Fri, Dec 1, 2017	25.50	26.20	25.45	26.20
3803	NYSE	NGS	Thu, Nov 30, 2017	25.40	26.10	25.30	25.50
3802	NYSE	NGS	Wed, Nov 29, 2017	25.00	25.45	25.00	25.40
3801	NYSE	NGS	Tue, Nov 28, 2017	25.25	25.25	24.80	25.00
3800	NYSE	NGS	Mon, Nov 27, 2017	25.30	25.45	25.00	25.10
3799	NYSE	NGS	Fri, Nov 24, 2017	25.80	25.80	25.15	25.30
3798	NYSE	NGS	Wed, Nov 22, 2017	26.45	26.75	25.65	25.65
3797	NYSE	NGS	Tue, Nov 21, 2017	26.00	26.55	25.95	26.45
3796	NYSE	NGS	Mon, Nov 20, 2017	25.60	25.90	25.00	25.75
3795	NYSE	NGS	Fri, Nov 17, 2017	24.25	25.70	24.25	25.55
3794	NYSE	NGS	Thu, Nov 16, 2017	24.70	24.95	24.15	24.35
3793	NYSE	NGS	Wed, Nov 15, 2017	25.05	25.15	24.60	24.65
3792	NYSE	NGS	Tue, Nov 14, 2017	25.55	25.57	24.60	25.20
3791	NYSE	NGS	Mon, Nov 13, 2017	26.20	26.30	25.51	25.55
3790	NYSE	NGS	Fri, Nov 10, 2017	26.60	26.75	26.25	26.25
3789	NYSE	NGS	Thu, Nov 9, 2017	26.50	26.65	26.15	26.50
3788	NYSE	NGS	Wed, Nov 8, 2017	27.25	27.50	26.50	26.55
3787	NYSE	NGS	Tue, Nov 7, 2017	27.60	27.85	27.10	27.55
3786	NYSE	NGS	Mon, Nov 6, 2017	27.35	27.70	27.10	27.60
3785	NYSE	NGS	Fri, Nov 3, 2017	28.10	28.10	27.00	27.45
3784	NYSE	NGS	Thu, Nov 2, 2017	27.15	28.30	27.15	27.95
3783	NYSE	NGS	Wed, Nov 1, 2017	27.90	28.25	27.25	27.80
3782	NYSE	NGS	Tue, Oct 31, 2017	28.20	28.70	27.55	27.80
3781	NYSE	NGS	Mon, Oct 30, 2017	28.10	28.30	27.61	28.05
3780	NYSE	NGS	Fri, Oct 27, 2017	27.70	28.55	27.70	28.20
3779	NYSE	NGS	Thu, Oct 26, 2017	28.10	28.25	27.60	27.70
3778	NYSE	NGS	Wed, Oct 25, 2017	27.83	28.25	27.65	28.05
3777	NYSE	NGS	Tue, Oct 24, 2017	27.75	28.10	27.73	27.80
3776	NYSE	NGS	Mon, Oct 23, 2017	27.95	28.10	27.55	27.60
3775	NYSE	NGS	Fri, Oct 20, 2017	28.30	28.30	27.90	28.10
3774	NYSE	NGS	Thu, Oct 19, 2017	27.75	28.10	27.75	28.05
3773	NYSE	NGS	Wed, Oct 18, 2017	28.10	28.30	27.95	28.05
3772	NYSE	NGS	Tue, Oct 17, 2017	28.45	28.60	28.10	28.10
3771	NYSE	NGS	Mon, Oct 16, 2017	28.70	28.80	28.25	28.60
3770	NYSE	NGS	Fri, Oct 13, 2017	28.80	28.90	28.35	28.50
3769	NYSE	NGS	Thu, Oct 12, 2017	28.16	28.95	28.16	28.55
3768	NYSE	NGS	Wed, Oct 11, 2017	28.45	29.10	28.45	29.05
3767	NYSE	NGS	Tue, Oct 10, 2017	28.60	28.95	28.50	28.60
3766	NYSE	NGS	Mon, Oct 9, 2017	28.48	28.78	28.10	28.25
3765	NYSE	NGS	Fri, Oct 6, 2017	28.20	28.65	28.15	28.55
3764	NYSE	NGS	Thu, Oct 5, 2017	28.50	28.95	28.25	28.40
3763	NYSE	NGS	Wed, Oct 4, 2017	28.83	29.10	28.30	28.55
3762	NYSE	NGS	Tue, Oct 3, 2017	29.05	29.35	28.30	28.50
3761	NYSE	NGS	Mon, Oct 2, 2017	28.05	29.20	28.05	28.95
3760	NYSE	NGS	Fri, Sep 29, 2017	29.20	29.20	28.00	28.40
3759	NYSE	NGS	Thu, Sep 28, 2017	29.00	29.55	28.60	29.25
3758	NYSE	NGS	Wed, Sep 27, 2017	28.15	29.15	27.75	29.10
3757	NYSE	NGS	Tue, Sep 26, 2017	26.65	28.05	26.55	28.00
3756	NYSE	NGS	Mon, Sep 25, 2017	25.75	26.80	25.75	26.70
3755	NYSE	NGS	Fri, Sep 22, 2017	25.05	26.00	25.05	25.85
3754	NYSE	NGS	Thu, Sep 21, 2017	24.93	25.75	24.93	25.15
3753	NYSE	NGS	Wed, Sep 20, 2017	25.10	25.30	24.73	25.10
3752	NYSE	NGS	Tue, Sep 19, 2017	25.05	25.25	24.93	25.05
3751	NYSE	NGS	Mon, Sep 18, 2017	24.40	25.15	24.40	25.05
3750	NYSE	NGS	Fri, Sep 15, 2017	24.95	25.35	24.00	24.15
3749	NYSE	NGS	Thu, Sep 14, 2017	24.75	25.35	24.50	24.85
3748	NYSE	NGS	Wed, Sep 13, 2017	24.50	25.00	24.45	24.80
3747	NYSE	NGS	Tue, Sep 12, 2017	24.25	24.70	24.25	24.45
3746	NYSE	NGS	Mon, Sep 11, 2017	24.00	24.60	24.00	24.25
3745	NYSE	NGS	Fri, Sep 8, 2017	24.30	24.70	23.70	24.00
3744	NYSE	NGS	Thu, Sep 7, 2017	24.60	24.65	24.15	24.45
3743	NYSE	NGS	Wed, Sep 6, 2017	24.55	24.95	24.30	24.60
3742	NYSE	NGS	Tue, Sep 5, 2017	24.40	24.65	24.10	24.40
3741	NYSE	NGS	Fri, Sep 1, 2017	23.60	24.10	23.50	23.95
3740	NYSE	NGS	Thu, Aug 31, 2017	23.45	23.90	23.10	23.60
3739	NYSE	NGS	Wed, Aug 30, 2017	23.05	23.40	22.90	23.30
3738	NYSE	NGS	Tue, Aug 29, 2017	22.95	23.60	22.85	23.25
3737	NYSE	NGS	Mon, Aug 28, 2017	23.50	23.50	22.85	23.10
3736	NYSE	NGS	Fri, Aug 25, 2017	23.50	23.85	23.30	23.50
3735	NYSE	NGS	Thu, Aug 24, 2017	23.30	23.60	23.20	23.40
3734	NYSE	NGS	Wed, Aug 23, 2017	22.95	23.65	22.95	23.35
3733	NYSE	NGS	Tue, Aug 22, 2017	23.20	23.50	22.95	22.95
3732	NYSE	NGS	Mon, Aug 21, 2017	22.85	23.45	22.50	23.20
3731	NYSE	NGS	Fri, Aug 18, 2017	22.70	23.40	22.50	22.80
3730	NYSE	NGS	Thu, Aug 17, 2017	23.25	23.55	22.75	22.80
3729	NYSE	NGS	Wed, Aug 16, 2017	23.70	23.95	23.20	23.35
3728	NYSE	NGS	Tue, Aug 15, 2017	23.72	23.80	23.30	23.70
3727	NYSE	NGS	Mon, Aug 14, 2017	23.70	24.35	23.45	23.95
3726	NYSE	NGS	Fri, Aug 11, 2017	24.05	24.05	23.40	23.60
3725	NYSE	NGS	Thu, Aug 10, 2017	24.05	24.55	24.00	24.00
3724	NYSE	NGS	Wed, Aug 9, 2017	24.75	24.75	24.08	24.30
3723	NYSE	NGS	Tue, Aug 8, 2017	24.60	25.15	24.58	24.70
3722	NYSE	NGS	Mon, Aug 7, 2017	24.86	25.45	24.45	24.60
3721	NYSE	NGS	Fri, Aug 4, 2017	25.25	25.40	24.80	25.20
3720	NYSE	NGS	Thu, Aug 3, 2017	24.00	25.40	24.00	25.25
3719	NYSE	NGS	Wed, Aug 2, 2017	24.50	24.70	23.85	24.30
3718	NYSE	NGS	Tue, Aug 1, 2017	24.55	25.05	24.40	24.70
3717	NYSE	NGS	Mon, Jul 31, 2017	25.15	25.15	24.35	24.95
3716	NYSE	NGS	Fri, Jul 28, 2017	25.35	25.65	24.80	24.85
3715	NYSE	NGS	Thu, Jul 27, 2017	24.75	25.45	24.70	25.40
3714	NYSE	NGS	Wed, Jul 26, 2017	25.10	25.50	24.75	25.05
3713	NYSE	NGS	Tue, Jul 25, 2017	24.75	25.65	24.75	25.10
3712	NYSE	NGS	Mon, Jul 24, 2017	25.75	25.80	24.35	24.55
3711	NYSE	NGS	Fri, Jul 21, 2017	26.10	26.25	25.60	25.75
3710	NYSE	NGS	Thu, Jul 20, 2017	26.05	26.05	25.55	25.80
3709	NYSE	NGS	Wed, Jul 19, 2017	25.35	26.10	25.35	26.05
3708	NYSE	NGS	Tue, Jul 18, 2017	25.10	25.20	24.75	25.05
3707	NYSE	NGS	Mon, Jul 17, 2017	25.45	25.68	24.95	25.10
3706	NYSE	NGS	Fri, Jul 14, 2017	25.25	25.65	24.95	25.45
3705	NYSE	NGS	Thu, Jul 13, 2017	24.95	25.30	24.65	25.25
3704	NYSE	NGS	Wed, Jul 12, 2017	25.15	25.60	24.65	25.05
3703	NYSE	NGS	Tue, Jul 11, 2017	24.60	25.00	24.15	24.95
3702	NYSE	NGS	Mon, Jul 10, 2017	24.00	24.95	23.95	24.65
3701	NYSE	NGS	Fri, Jul 7, 2017	24.05	24.30	23.75	24.25
3700	NYSE	NGS	Thu, Jul 6, 2017	24.20	24.65	23.90	24.05
3699	NYSE	NGS	Wed, Jul 5, 2017	25.05	25.05	24.00	24.35
3698	NYSE	NGS	Mon, Jul 3, 2017	24.90	25.40	24.70	25.25
3697	NYSE	NGS	Fri, Jun 30, 2017	24.90	25.10	24.35	24.85
3696	NYSE	NGS	Thu, Jun 29, 2017	25.00	25.55	24.65	24.85
3695	NYSE	NGS	Wed, Jun 28, 2017	24.65	25.40	24.48	24.95
3694	NYSE	NGS	Tue, Jun 27, 2017	24.70	25.10	24.45	24.50
3693	NYSE	NGS	Mon, Jun 26, 2017	24.60	25.00	24.05	24.55
3692	NYSE	NGS	Fri, Jun 23, 2017	23.75	24.65	23.65	24.60
3691	NYSE	NGS	Thu, Jun 22, 2017	22.85	24.05	22.60	23.75
3690	NYSE	NGS	Wed, Jun 21, 2017	23.30	23.45	22.40	22.85
3689	NYSE	NGS	Tue, Jun 20, 2017	23.95	24.20	23.40	23.50
3688	NYSE	NGS	Mon, Jun 19, 2017	24.75	24.75	24.00	24.15
3687	NYSE	NGS	Fri, Jun 16, 2017	24.65	24.85	24.35	24.70
3686	NYSE	NGS	Thu, Jun 15, 2017	25.30	25.65	24.65	24.95
3685	NYSE	NGS	Wed, Jun 14, 2017	26.90	26.90	25.35	25.65
3684	NYSE	NGS	Tue, Jun 13, 2017	26.85	27.30	26.35	26.90
3683	NYSE	NGS	Mon, Jun 12, 2017	27.35	27.85	26.70	26.80
3682	NYSE	NGS	Fri, Jun 9, 2017	26.60	27.75	26.40	27.30
3681	NYSE	NGS	Thu, Jun 8, 2017	26.10	27.00	26.10	26.55
3680	NYSE	NGS	Wed, Jun 7, 2017	27.00	27.25	25.83	26.10
3679	NYSE	NGS	Tue, Jun 6, 2017	26.60	27.10	25.95	27.00
3678	NYSE	NGS	Mon, Jun 5, 2017	27.00	27.00	26.35	26.70
3677	NYSE	NGS	Fri, Jun 2, 2017	27.00	27.35	26.75	27.10
3676	NYSE	NGS	Thu, Jun 1, 2017	26.25	27.10	26.15	27.00
3675	NYSE	NGS	Wed, May 31, 2017	26.00	26.55	26.00	26.20
3674	NYSE	NGS	Tue, May 30, 2017	26.40	26.40	25.85	26.10
3673	NYSE	NGS	Fri, May 26, 2017	26.10	26.70	26.00	26.45
3672	NYSE	NGS	Thu, May 25, 2017	26.20	26.35	26.00	26.25
3671	NYSE	NGS	Wed, May 24, 2017	26.10	26.25	25.85	26.20
3670	NYSE	NGS	Tue, May 23, 2017	26.40	26.40	26.00	26.15
3669	NYSE	NGS	Mon, May 22, 2017	26.40	26.44	26.00	26.35
3668	NYSE	NGS	Fri, May 19, 2017	26.35	26.70	26.10	26.30
3667	NYSE	NGS	Thu, May 18, 2017	26.40	26.65	26.20	26.30
3666	NYSE	NGS	Wed, May 17, 2017	26.40	26.65	26.00	26.30
3665	NYSE	NGS	Tue, May 16, 2017	26.80	27.50	26.20	26.85
3664	NYSE	NGS	Mon, May 15, 2017	26.90	27.15	26.65	26.80
3663	NYSE	NGS	Fri, May 12, 2017	26.50	27.10	26.00	26.65
3662	NYSE	NGS	Thu, May 11, 2017	26.65	26.65	26.20	26.55
3661	NYSE	NGS	Wed, May 10, 2017	26.70	27.40	26.40	26.60
3660	NYSE	NGS	Tue, May 9, 2017	26.55	26.75	25.95	26.60
3659	NYSE	NGS	Mon, May 8, 2017	26.10	27.05	26.10	26.50
3658	NYSE	NGS	Fri, May 5, 2017	25.95	26.50	25.85	26.30
3657	NYSE	NGS	Thu, May 4, 2017	26.60	26.60	25.10	25.85
3656	NYSE	NGS	Wed, May 3, 2017	26.90	27.20	26.75	27.10
3655	NYSE	NGS	Tue, May 2, 2017	27.75	28.25	26.70	26.95
3654	NYSE	NGS	Mon, May 1, 2017	27.40	27.80	26.95	27.50
3653	NYSE	NGS	Fri, Apr 28, 2017	27.55	27.70	27.10	27.40
3652	NYSE	NGS	Thu, Apr 27, 2017	28.60	28.60	26.90	27.50
3651	NYSE	NGS	Wed, Apr 26, 2017	28.40	28.83	28.18	28.40
3650	NYSE	NGS	Tue, Apr 25, 2017	28.30	28.50	28.10	28.40
3649	NYSE	NGS	Mon, Apr 24, 2017	28.25	28.30	27.75	28.05
3648	NYSE	NGS	Fri, Apr 21, 2017	27.95	28.05	26.85	27.45
3647	NYSE	NGS	Thu, Apr 20, 2017	28.05	28.50	27.95	28.25
3646	NYSE	NGS	Wed, Apr 19, 2017	28.55	28.85	27.88	28.00
3645	NYSE	NGS	Tue, Apr 18, 2017	28.05	28.65	27.60	28.35
3644	NYSE	NGS	Mon, Apr 17, 2017	28.00	28.25	27.66	28.15
3643	NYSE	NGS	Thu, Apr 13, 2017	28.50	28.50	27.10	28.00
3642	NYSE	NGS	Wed, Apr 12, 2017	28.75	28.75	28.15	28.50
3641	NYSE	NGS	Tue, Apr 11, 2017	28.10	28.90	27.95	28.80
3640	NYSE	NGS	Mon, Apr 10, 2017	28.15	29.00	28.05	28.15
3639	NYSE	NGS	Fri, Apr 7, 2017	27.50	28.40	27.45	28.30
3638	NYSE	NGS	Thu, Apr 6, 2017	27.30	27.55	26.90	27.50
3637	NYSE	NGS	Wed, Apr 5, 2017	26.95	27.25	26.65	26.85
3636	NYSE	NGS	Tue, Apr 4, 2017	26.60	26.65	26.05	26.30
3635	NYSE	NGS	Mon, Apr 3, 2017	26.30	26.85	25.95	26.50
3634	NYSE	NGS	Fri, Mar 31, 2017	26.00	26.75	25.88	26.05
3633	NYSE	NGS	Thu, Mar 30, 2017	26.40	26.40	25.70	25.85
3632	NYSE	NGS	Wed, Mar 29, 2017	25.30	26.00	25.20	25.90
3631	NYSE	NGS	Tue, Mar 28, 2017	24.40	25.60	24.33	25.40
3630	NYSE	NGS	Mon, Mar 27, 2017	24.50	24.61	23.55	24.50
3629	NYSE	NGS	Fri, Mar 24, 2017	25.20	25.60	24.75	24.85
3628	NYSE	NGS	Thu, Mar 23, 2017	25.40	25.60	25.00	25.05
3627	NYSE	NGS	Wed, Mar 22, 2017	25.75	25.75	25.10	25.45
3626	NYSE	NGS	Tue, Mar 21, 2017	26.30	26.50	25.60	25.80
3625	NYSE	NGS	Mon, Mar 20, 2017	26.40	26.40	25.90	26.20
3624	NYSE	NGS	Fri, Mar 17, 2017	26.35	26.45	25.85	26.40
3623	NYSE	NGS	Thu, Mar 16, 2017	26.35	26.65	26.00	26.30
3622	NYSE	NGS	Wed, Mar 15, 2017	25.90	26.50	25.90	26.35
3621	NYSE	NGS	Tue, Mar 14, 2017	26.05	26.25	25.40	25.80
3620	NYSE	NGS	Mon, Mar 13, 2017	26.20	26.76	25.55	26.25
3619	NYSE	NGS	Fri, Mar 10, 2017	28.25	28.25	25.85	26.20
3618	NYSE	NGS	Thu, Mar 9, 2017	26.55	27.95	26.40	27.65
3617	NYSE	NGS	Wed, Mar 8, 2017	26.15	26.15	25.45	25.65
3616	NYSE	NGS	Tue, Mar 7, 2017	25.95	26.39	25.70	26.00
3615	NYSE	NGS	Mon, Mar 6, 2017	25.85	26.05	25.40	26.00
3614	NYSE	NGS	Fri, Mar 3, 2017	26.55	26.90	26.05	26.10
3613	NYSE	NGS	Thu, Mar 2, 2017	26.55	27.10	26.50	26.80
3612	NYSE	NGS	Wed, Mar 1, 2017	26.50	27.15	26.40	26.75
3611	NYSE	NGS	Tue, Feb 28, 2017	27.20	27.20	25.90	26.05
3610	NYSE	NGS	Mon, Feb 27, 2017	26.55	27.62	26.55	27.25
3609	NYSE	NGS	Fri, Feb 24, 2017	26.80	27.45	26.60	26.75
3608	NYSE	NGS	Thu, Feb 23, 2017	27.45	27.75	27.05	27.25
3607	NYSE	NGS	Wed, Feb 22, 2017	28.00	28.00	27.25	27.50
3606	NYSE	NGS	Tue, Feb 21, 2017	28.15	28.70	27.80	27.95
3605	NYSE	NGS	Fri, Feb 17, 2017	28.35	28.40	28.05	28.15
3604	NYSE	NGS	Thu, Feb 16, 2017	28.45	28.70	27.90	28.30
3603	NYSE	NGS	Wed, Feb 15, 2017	28.55	28.55	28.00	28.45
3602	NYSE	NGS	Tue, Feb 14, 2017	28.55	28.78	28.05	28.65
3601	NYSE	NGS	Mon, Feb 13, 2017	29.05	29.10	27.95	28.50
3600	NYSE	NGS	Fri, Feb 10, 2017	28.35	29.20	28.35	29.05
3599	NYSE	NGS	Thu, Feb 9, 2017	27.85	28.30	27.85	28.20
3598	NYSE	NGS	Wed, Feb 8, 2017	28.00	28.05	27.10	27.60
3597	NYSE	NGS	Tue, Feb 7, 2017	28.55	28.55	28.05	28.15
3596	NYSE	NGS	Mon, Feb 6, 2017	28.95	29.22	28.19	28.45
3595	NYSE	NGS	Fri, Feb 3, 2017	28.75	29.55	28.45	29.15
3594	NYSE	NGS	Thu, Feb 2, 2017	28.50	28.90	28.20	28.50
3593	NYSE	NGS	Wed, Feb 1, 2017	28.68	28.88	28.05	28.60
3592	NYSE	NGS	Tue, Jan 31, 2017	28.60	29.00	28.40	28.70
3591	NYSE	NGS	Mon, Jan 30, 2017	30.25	30.25	28.60	28.85
3590	NYSE	NGS	Fri, Jan 27, 2017	30.85	30.85	29.80	30.50
3589	NYSE	NGS	Thu, Jan 26, 2017	31.30	31.30	30.50	30.70
3588	NYSE	NGS	Wed, Jan 25, 2017	30.35	31.30	30.20	31.15
3587	NYSE	NGS	Tue, Jan 24, 2017	28.90	30.25	28.45	29.95
3586	NYSE	NGS	Mon, Jan 23, 2017	29.60	29.67	28.58	28.80
3585	NYSE	NGS	Fri, Jan 20, 2017	29.85	30.15	29.25	29.25
3584	NYSE	NGS	Thu, Jan 19, 2017	30.10	30.75	29.50	29.55
3583	NYSE	NGS	Wed, Jan 18, 2017	30.50	30.50	30.00	30.10
3582	NYSE	NGS	Tue, Jan 17, 2017	31.10	31.10	30.15	30.30
3581	NYSE	NGS	Fri, Jan 13, 2017	30.10	31.25	30.10	31.10
3580	NYSE	NGS	Thu, Jan 12, 2017	31.00	31.15	29.85	29.95
3579	NYSE	NGS	Wed, Jan 11, 2017	30.80	31.20	30.35	31.00
3578	NYSE	NGS	Tue, Jan 10, 2017	31.00	31.70	30.46	30.85
3577	NYSE	NGS	Mon, Jan 9, 2017	31.25	31.25	30.50	30.75
3576	NYSE	NGS	Fri, Jan 6, 2017	31.80	32.05	31.30	31.35
3575	NYSE	NGS	Thu, Jan 5, 2017	32.00	32.70	31.60	31.75
3574	NYSE	NGS	Wed, Jan 4, 2017	31.70	32.10	31.50	32.05
3573	NYSE	NGS	Tue, Jan 3, 2017	32.70	33.40	31.70	31.90
3572	NYSE	NGS	Fri, Dec 30, 2016	32.05	32.35	31.75	32.15
3571	NYSE	NGS	Thu, Dec 29, 2016	31.76	32.40	31.75	32.30
3570	NYSE	NGS	Wed, Dec 28, 2016	32.25	32.53	31.56	31.80
3569	NYSE	NGS	Tue, Dec 27, 2016	32.44	33.20	31.65	32.40
3568	NYSE	NGS	Fri, Dec 23, 2016	32.35	32.45	31.80	32.30
3567	NYSE	NGS	Thu, Dec 22, 2016	33.00	33.10	32.12	32.25
3566	NYSE	NGS	Wed, Dec 21, 2016	33.50	33.80	32.45	32.80
3565	NYSE	NGS	Tue, Dec 20, 2016	32.85	33.40	32.50	33.25
3564	NYSE	NGS	Mon, Dec 19, 2016	33.10	33.35	32.40	32.60
3563	NYSE	NGS	Fri, Dec 16, 2016	33.15	33.95	32.60	33.20
3562	NYSE	NGS	Thu, Dec 15, 2016	33.05	34.10	33.05	33.85
3561	NYSE	NGS	Wed, Dec 14, 2016	32.30	33.65	32.08	32.95
3560	NYSE	NGS	Tue, Dec 13, 2016	34.40	34.50	32.50	32.65
3559	NYSE	NGS	Mon, Dec 12, 2016	33.10	34.00	33.10	33.90
3558	NYSE	NGS	Fri, Dec 9, 2016	33.50	33.75	32.55	32.95
3557	NYSE	NGS	Thu, Dec 8, 2016	31.10	33.50	30.80	33.45
3556	NYSE	NGS	Wed, Dec 7, 2016	32.20	32.55	30.85	31.05
3555	NYSE	NGS	Tue, Dec 6, 2016	31.40	32.45	30.85	32.15
3554	NYSE	NGS	Mon, Dec 5, 2016	30.80	31.75	30.80	31.35
3553	NYSE	NGS	Fri, Dec 2, 2016	29.90	30.67	29.75	30.35
3552	NYSE	NGS	Thu, Dec 1, 2016	29.80	30.60	29.30	30.20
3551	NYSE	NGS	Wed, Nov 30, 2016	28.55	29.55	28.45	28.45
3550	NYSE	NGS	Tue, Nov 29, 2016	28.15	28.45	27.70	28.25
3549	NYSE	NGS	Mon, Nov 28, 2016	29.00	29.20	28.10	28.30
3548	NYSE	NGS	Fri, Nov 25, 2016	29.50	29.50	28.70	29.00
3547	NYSE	NGS	Wed, Nov 23, 2016	29.05	29.65	28.30	29.45
3546	NYSE	NGS	Tue, Nov 22, 2016	28.90	29.35	27.85	29.30
3545	NYSE	NGS	Mon, Nov 21, 2016	28.40	29.12	28.35	28.90
3544	NYSE	NGS	Fri, Nov 18, 2016	26.70	28.55	26.60	28.15
3543	NYSE	NGS	Thu, Nov 17, 2016	28.00	28.50	26.35	26.55
3542	NYSE	NGS	Wed, Nov 16, 2016	27.40	28.80	27.05	28.00
3541	NYSE	NGS	Tue, Nov 15, 2016	27.70	27.95	26.85	27.60
3540	NYSE	NGS	Mon, Nov 14, 2016	26.95	27.80	26.95	27.55
3539	NYSE	NGS	Fri, Nov 11, 2016	25.95	27.75	25.73	27.70
3538	NYSE	NGS	Thu, Nov 10, 2016	25.30	26.45	24.75	26.30
3537	NYSE	NGS	Wed, Nov 9, 2016	23.80	25.25	23.20	25.25
3536	NYSE	NGS	Tue, Nov 8, 2016	23.85	24.10	23.50	24.05
3535	NYSE	NGS	Mon, Nov 7, 2016	22.05	23.75	21.98	23.65
3534	NYSE	NGS	Fri, Nov 4, 2016	22.55	22.83	21.50	21.65
3533	NYSE	NGS	Thu, Nov 3, 2016	22.00	23.05	21.90	22.70
3532	NYSE	NGS	Wed, Nov 2, 2016	21.25	21.25	20.65	21.00
3531	NYSE	NGS	Tue, Nov 1, 2016	21.80	21.80	21.00	21.45
3530	NYSE	NGS	Mon, Oct 31, 2016	21.70	21.80	21.51	21.70
3529	NYSE	NGS	Fri, Oct 28, 2016	22.05	22.20	21.58	21.75
3528	NYSE	NGS	Thu, Oct 27, 2016	22.60	22.60	21.75	22.25
3527	NYSE	NGS	Wed, Oct 26, 2016	23.45	23.70	22.50	22.55
3526	NYSE	NGS	Tue, Oct 25, 2016	24.20	24.35	23.60	23.70
3525	NYSE	NGS	Mon, Oct 24, 2016	24.05	24.25	23.90	24.10
3524	NYSE	NGS	Fri, Oct 21, 2016	23.90	24.25	23.90	24.00
3523	NYSE	NGS	Thu, Oct 20, 2016	23.85	24.25	23.85	24.10
3522	NYSE	NGS	Wed, Oct 19, 2016	24.25	24.25	23.85	24.00
3521	NYSE	NGS	Tue, Oct 18, 2016	24.55	24.55	23.80	24.05
3520	NYSE	NGS	Mon, Oct 17, 2016	24.20	24.50	24.10	24.45
3519	NYSE	NGS	Fri, Oct 14, 2016	23.91	24.40	23.90	24.30
3518	NYSE	NGS	Thu, Oct 13, 2016	24.30	24.50	23.75	24.05
3517	NYSE	NGS	Wed, Oct 12, 2016	23.60	24.65	23.55	24.55
3516	NYSE	NGS	Tue, Oct 11, 2016	23.80	23.80	23.25	23.60
3515	NYSE	NGS	Mon, Oct 10, 2016	24.15	24.20	23.80	23.80
3514	NYSE	NGS	Fri, Oct 7, 2016	24.48	24.48	23.75	24.14
3513	NYSE	NGS	Thu, Oct 6, 2016	24.58	24.76	24.39	24.47
3512	NYSE	NGS	Wed, Oct 5, 2016	24.54	24.98	24.40	24.51
3511	NYSE	NGS	Tue, Oct 4, 2016	24.16	24.30	23.55	24.25
3510	NYSE	NGS	Mon, Oct 3, 2016	24.18	24.30	23.90	24.12
3509	NYSE	NGS	Fri, Sep 30, 2016	23.92	24.74	23.72	24.59
3508	NYSE	NGS	Thu, Sep 29, 2016	23.02	23.88	23.02	23.80
3507	NYSE	NGS	Wed, Sep 28, 2016	22.14	23.01	21.79	22.94
3506	NYSE	NGS	Tue, Sep 27, 2016	22.38	22.38	21.73	22.18
3505	NYSE	NGS	Mon, Sep 26, 2016	23.12	23.26	22.40	22.43
3504	NYSE	NGS	Fri, Sep 23, 2016	23.38	23.59	22.94	22.95
3503	NYSE	NGS	Thu, Sep 22, 2016	23.17	23.60	22.99	23.41
3502	NYSE	NGS	Wed, Sep 21, 2016	23.25	23.48	22.80	23.03
3501	NYSE	NGS	Tue, Sep 20, 2016	23.47	23.92	22.79	22.95
3500	NYSE	NGS	Mon, Sep 19, 2016	23.86	24.12	23.26	23.47
3499	NYSE	NGS	Fri, Sep 16, 2016	23.37	23.80	22.80	23.76
3498	NYSE	NGS	Thu, Sep 15, 2016	23.35	23.41	22.76	23.13
3497	NYSE	NGS	Wed, Sep 14, 2016	23.58	23.64	23.03	23.14
3496	NYSE	NGS	Tue, Sep 13, 2016	24.31	24.31	23.42	23.55
3495	NYSE	NGS	Mon, Sep 12, 2016	23.58	24.81	23.49	24.68
3494	NYSE	NGS	Fri, Sep 9, 2016	25.32	25.32	23.67	23.69
3493	NYSE	NGS	Thu, Sep 8, 2016	25.18	25.42	24.61	25.12
3492	NYSE	NGS	Wed, Sep 7, 2016	25.84	25.84	24.95	24.97
3491	NYSE	NGS	Tue, Sep 6, 2016	25.30	26.74	25.01	25.96
3490	NYSE	NGS	Fri, Sep 2, 2016	24.43	25.58	24.43	25.48
3489	NYSE	NGS	Thu, Sep 1, 2016	23.63	24.49	23.30	24.47
3488	NYSE	NGS	Wed, Aug 31, 2016	25.02	25.25	23.60	23.64
3487	NYSE	NGS	Tue, Aug 30, 2016	25.49	25.66	25.05	25.18
3486	NYSE	NGS	Mon, Aug 29, 2016	25.19	25.70	24.69	25.63
3485	NYSE	NGS	Fri, Aug 26, 2016	25.34	25.59	24.97	25.17
3484	NYSE	NGS	Thu, Aug 25, 2016	25.22	25.59	24.91	25.35
3483	NYSE	NGS	Wed, Aug 24, 2016	25.80	25.80	25.14	25.22
3482	NYSE	NGS	Tue, Aug 23, 2016	24.96	25.80	24.82	25.60
3481	NYSE	NGS	Mon, Aug 22, 2016	25.24	25.39	24.33	24.92
3480	NYSE	NGS	Fri, Aug 19, 2016	25.41	25.53	25.00	25.42
3479	NYSE	NGS	Thu, Aug 18, 2016	25.00	25.40	25.00	25.40
3478	NYSE	NGS	Wed, Aug 17, 2016	25.00	25.09	24.74	24.97
3477	NYSE	NGS	Tue, Aug 16, 2016	24.76	25.09	24.48	24.94
3476	NYSE	NGS	Mon, Aug 15, 2016	24.22	24.75	24.22	24.64
3475	NYSE	NGS	Fri, Aug 12, 2016	24.25	24.43	23.94	24.03
3474	NYSE	NGS	Thu, Aug 11, 2016	23.65	24.43	23.65	24.23
3473	NYSE	NGS	Wed, Aug 10, 2016	24.40	24.70	23.71	23.89
3472	NYSE	NGS	Tue, Aug 9, 2016	24.82	24.82	24.20	24.42
3471	NYSE	NGS	Mon, Aug 8, 2016	24.75	25.18	24.36	24.55
3470	NYSE	NGS	Fri, Aug 5, 2016	24.90	24.93	24.21	24.56
3469	NYSE	NGS	Thu, Aug 4, 2016	23.44	25.14	23.44	24.88
3468	NYSE	NGS	Wed, Aug 3, 2016	24.44	24.77	24.08	24.71
3467	NYSE	NGS	Tue, Aug 2, 2016	24.17	24.50	23.98	24.30
3466	NYSE	NGS	Mon, Aug 1, 2016	24.88	24.88	23.96	24.00
3465	NYSE	NGS	Fri, Jul 29, 2016	24.02	25.30	23.93	25.11
3464	NYSE	NGS	Thu, Jul 28, 2016	24.48	25.02	24.16	24.25
3463	NYSE	NGS	Wed, Jul 27, 2016	24.50	25.03	24.26	24.64
3462	NYSE	NGS	Tue, Jul 26, 2016	24.37	24.96	23.74	24.55
3461	NYSE	NGS	Mon, Jul 25, 2016	24.84	24.84	23.79	24.42
3460	NYSE	NGS	Fri, Jul 22, 2016	24.92	25.13	24.47	24.87
3459	NYSE	NGS	Thu, Jul 21, 2016	25.92	26.35	25.04	25.14
3458	NYSE	NGS	Wed, Jul 20, 2016	25.16	26.08	24.75	26.00
3457	NYSE	NGS	Tue, Jul 19, 2016	25.24	25.38	25.09	25.25
3456	NYSE	NGS	Mon, Jul 18, 2016	24.43	25.44	24.21	25.36
3455	NYSE	NGS	Fri, Jul 15, 2016	24.60	24.63	24.36	24.62
3454	NYSE	NGS	Thu, Jul 14, 2016	23.98	24.45	23.98	24.38
3453	NYSE	NGS	Wed, Jul 13, 2016	24.20	24.31	23.84	23.93
3452	NYSE	NGS	Tue, Jul 12, 2016	23.93	24.50	23.93	24.13
3451	NYSE	NGS	Mon, Jul 11, 2016	23.94	24.03	23.62	23.79
3450	NYSE	NGS	Fri, Jul 8, 2016	23.25	24.09	23.25	23.93
3449	NYSE	NGS	Thu, Jul 7, 2016	23.18	23.23	22.76	23.15
3448	NYSE	NGS	Wed, Jul 6, 2016	22.39	23.19	22.39	23.01
3447	NYSE	NGS	Tue, Jul 5, 2016	23.29	23.29	22.66	22.89
3446	NYSE	NGS	Fri, Jul 1, 2016	22.80	23.75	22.80	23.54
3445	NYSE	NGS	Thu, Jun 30, 2016	22.83	23.00	22.48	22.90
3444	NYSE	NGS	Wed, Jun 29, 2016	23.08	23.08	22.40	22.44
3443	NYSE	NGS	Tue, Jun 28, 2016	22.71	22.94	22.25	22.41
3442	NYSE	NGS	Mon, Jun 27, 2016	22.99	23.01	22.17	22.37
3441	NYSE	NGS	Fri, Jun 24, 2016	23.30	23.73	23.14	23.37
3440	NYSE	NGS	Thu, Jun 23, 2016	24.21	24.45	23.78	24.13
3439	NYSE	NGS	Wed, Jun 22, 2016	23.90	24.08	23.47	23.95
3438	NYSE	NGS	Tue, Jun 21, 2016	23.69	24.00	23.32	23.79
3437	NYSE	NGS	Mon, Jun 20, 2016	24.11	24.11	23.55	23.80
3436	NYSE	NGS	Fri, Jun 17, 2016	23.99	23.99	23.39	23.83
3435	NYSE	NGS	Thu, Jun 16, 2016	23.83	24.00	23.38	23.94
3434	NYSE	NGS	Wed, Jun 15, 2016	23.85	24.25	23.43	23.94
3433	NYSE	NGS	Tue, Jun 14, 2016	23.67	23.97	23.09	23.89
3432	NYSE	NGS	Mon, Jun 13, 2016	23.23	23.65	23.00	23.41
3431	NYSE	NGS	Fri, Jun 10, 2016	22.69	23.53	22.02	23.48
3430	NYSE	NGS	Thu, Jun 9, 2016	22.98	23.19	22.78	23.03
3429	NYSE	NGS	Wed, Jun 8, 2016	23.05	23.61	22.65	23.07
3428	NYSE	NGS	Tue, Jun 7, 2016	22.58	22.93	22.53	22.65
3427	NYSE	NGS	Mon, Jun 6, 2016	20.89	22.64	20.89	22.45
3426	NYSE	NGS	Fri, Jun 3, 2016	21.19	21.69	20.47	20.69
3425	NYSE	NGS	Thu, Jun 2, 2016	21.32	21.48	20.87	21.13
3424	NYSE	NGS	Wed, Jun 1, 2016	20.27	21.54	20.16	21.46
3423	NYSE	NGS	Tue, May 31, 2016	20.31	20.89	20.13	20.27
3422	NYSE	NGS	Fri, May 27, 2016	20.55	20.58	19.85	20.36
3421	NYSE	NGS	Thu, May 26, 2016	22.25	22.29	20.52	20.55
3420	NYSE	NGS	Wed, May 25, 2016	22.01	22.60	22.01	22.15
3419	NYSE	NGS	Tue, May 24, 2016	21.84	21.94	21.65	21.84
3418	NYSE	NGS	Mon, May 23, 2016	21.73	22.09	21.73	21.82
3417	NYSE	NGS	Fri, May 20, 2016	21.81	21.95	21.48	21.88
3416	NYSE	NGS	Thu, May 19, 2016	21.99	21.99	21.33	21.66
3415	NYSE	NGS	Wed, May 18, 2016	22.01	22.76	21.74	22.09
3414	NYSE	NGS	Tue, May 17, 2016	22.88	22.88	21.88	22.02
3413	NYSE	NGS	Mon, May 16, 2016	22.11	23.11	22.11	22.82
3412	NYSE	NGS	Fri, May 13, 2016	22.26	22.69	21.81	21.92
3411	NYSE	NGS	Thu, May 12, 2016	22.19	22.50	21.78	22.42
3410	NYSE	NGS	Wed, May 11, 2016	22.20	22.44	21.96	21.98
3409	NYSE	NGS	Tue, May 10, 2016	21.96	22.27	21.77	22.25
3408	NYSE	NGS	Mon, May 9, 2016	23.10	23.10	21.81	21.98
3407	NYSE	NGS	Fri, May 6, 2016	24.52	24.93	22.86	23.07
3406	NYSE	NGS	Thu, May 5, 2016	24.58	25.54	24.36	24.61
3405	NYSE	NGS	Wed, May 4, 2016	22.65	24.39	22.34	24.30
3404	NYSE	NGS	Tue, May 3, 2016	22.72	23.30	22.35	22.62
3403	NYSE	NGS	Mon, May 2, 2016	23.10	23.11	22.69	23.07
3402	NYSE	NGS	Fri, Apr 29, 2016	22.84	23.43	22.61	22.99
3401	NYSE	NGS	Thu, Apr 28, 2016	22.77	23.23	22.53	22.81
3400	NYSE	NGS	Wed, Apr 27, 2016	22.98	23.40	22.30	22.93
3399	NYSE	NGS	Tue, Apr 26, 2016	22.29	23.12	21.95	22.90
3398	NYSE	NGS	Mon, Apr 25, 2016	22.60	22.65	22.05	22.27
3397	NYSE	NGS	Fri, Apr 22, 2016	22.36	22.93	22.36	22.73
3396	NYSE	NGS	Thu, Apr 21, 2016	22.82	22.85	22.18	22.26
3395	NYSE	NGS	Wed, Apr 20, 2016	22.62	23.12	22.51	22.75
3394	NYSE	NGS	Tue, Apr 19, 2016	22.24	22.86	22.24	22.65
3393	NYSE	NGS	Mon, Apr 18, 2016	21.55	22.24	21.51	22.17
3392	NYSE	NGS	Fri, Apr 15, 2016	21.90	22.00	21.73	21.87
3391	NYSE	NGS	Thu, Apr 14, 2016	22.07	22.33	21.65	22.02
3390	NYSE	NGS	Wed, Apr 13, 2016	21.84	22.08	21.66	22.03
3389	NYSE	NGS	Tue, Apr 12, 2016	20.95	22.02	20.89	21.93
3388	NYSE	NGS	Mon, Apr 11, 2016	21.20	21.45	20.95	21.04
3387	NYSE	NGS	Fri, Apr 8, 2016	21.34	21.40	21.02	21.21
3386	NYSE	NGS	Thu, Apr 7, 2016	20.83	21.31	20.78	20.93
3385	NYSE	NGS	Wed, Apr 6, 2016	20.43	21.12	19.82	20.88
3384	NYSE	NGS	Tue, Apr 5, 2016	20.79	20.79	20.79	20.39
3383	NYSE	NGS	Mon, Apr 4, 2016	21.19	21.25	20.65	20.79
3382	NYSE	NGS	Fri, Apr 1, 2016	21.40	21.40	20.55	21.02
3381	NYSE	NGS	Thu, Mar 31, 2016	21.69	21.95	21.41	21.63
3380	NYSE	NGS	Wed, Mar 30, 2016	21.81	22.44	21.63	21.68
3379	NYSE	NGS	Tue, Mar 29, 2016	20.87	21.49	20.64	21.76
3378	NYSE	NGS	Mon, Mar 28, 2016	21.30	21.40	20.56	21.16
3377	NYSE	NGS	Thu, Mar 24, 2016	21.10	21.42	20.47	21.38
3376	NYSE	NGS	Wed, Mar 23, 2016	21.10	21.58	20.92	21.20
3375	NYSE	NGS	Tue, Mar 22, 2016	21.57	21.70	21.16	21.29
3374	NYSE	NGS	Mon, Mar 21, 2016	21.47	21.55	20.86	21.42
3373	NYSE	NGS	Fri, Mar 18, 2016	21.64	21.70	20.63	21.60
3372	NYSE	NGS	Thu, Mar 17, 2016	21.10	22.00	20.71	21.68
3371	NYSE	NGS	Wed, Mar 16, 2016	20.83	21.28	20.04	21.09
3370	NYSE	NGS	Tue, Mar 15, 2016	20.49	20.49	20.49	20.82
3369	NYSE	NGS	Mon, Mar 14, 2016	20.15	20.67	20.01	20.48
3368	NYSE	NGS	Fri, Mar 11, 2016	20.15	20.15	20.15	20.29
3367	NYSE	NGS	Thu, Mar 10, 2016	19.71	20.32	19.20	20.15
3366	NYSE	NGS	Wed, Mar 9, 2016	19.07	19.07	19.07	19.31
3365	NYSE	NGS	Tue, Mar 8, 2016	19.27	19.57	18.85	19.07
3364	NYSE	NGS	Mon, Mar 7, 2016	18.91	20.12	18.91	19.50
3363	NYSE	NGS	Fri, Mar 4, 2016	19.18	19.18	19.18	18.98
3362	NYSE	NGS	Thu, Mar 3, 2016	18.82	18.82	18.82	19.18
3361	NYSE	NGS	Wed, Mar 2, 2016	18.14	18.82	18.00	18.82
3360	NYSE	NGS	Tue, Mar 1, 2016	17.99	18.15	17.79	18.15
3359	NYSE	NGS	Mon, Feb 29, 2016	17.82	18.20	17.74	18.06
3358	NYSE	NGS	Fri, Feb 26, 2016	17.71	18.15	17.35	17.72
3357	NYSE	NGS	Thu, Feb 25, 2016	17.73	17.73	17.10	17.54
3356	NYSE	NGS	Wed, Feb 24, 2016	17.14	17.54	16.98	17.54
3355	NYSE	NGS	Tue, Feb 23, 2016	17.21	17.98	17.21	17.35
3354	NYSE	NGS	Mon, Feb 22, 2016	17.56	17.99	17.22	17.27
3353	NYSE	NGS	Fri, Feb 19, 2016	17.04	17.62	16.92	17.29
3352	NYSE	NGS	Thu, Feb 18, 2016	17.04	17.39	16.68	17.10
3351	NYSE	NGS	Wed, Feb 17, 2016	16.66	17.53	16.66	17.00
3350	NYSE	NGS	Tue, Feb 16, 2016	16.53	16.98	15.96	16.42
3349	NYSE	NGS	Fri, Feb 12, 2016	16.35	16.56	16.19	16.25
3348	NYSE	NGS	Thu, Feb 11, 2016	16.00	16.50	15.97	16.16
3347	NYSE	NGS	Wed, Feb 10, 2016	16.53	17.13	16.29	16.30
3346	NYSE	NGS	Tue, Feb 9, 2016	17.47	17.73	16.42	16.61
3345	NYSE	NGS	Mon, Feb 8, 2016	17.23	17.81	17.03	17.74
3344	NYSE	NGS	Fri, Feb 5, 2016	18.00	18.11	17.48	17.49
3343	NYSE	NGS	Thu, Feb 4, 2016	18.00	18.85	18.00	18.13
3342	NYSE	NGS	Wed, Feb 3, 2016	18.00	18.21	17.13	17.91
3341	NYSE	NGS	Tue, Feb 2, 2016	18.00	18.31	17.71	17.89
3340	NYSE	NGS	Mon, Feb 1, 2016	18.58	19.08	18.12	18.29
3339	NYSE	NGS	Fri, Jan 29, 2016	18.19	18.95	18.19	18.92
3338	NYSE	NGS	Thu, Jan 28, 2016	18.24	18.68	17.92	18.16
3337	NYSE	NGS	Wed, Jan 27, 2016	18.01	18.30	17.49	17.59
3336	NYSE	NGS	Tue, Jan 26, 2016	17.62	18.16	17.38	17.97
3335	NYSE	NGS	Mon, Jan 25, 2016	17.68	18.23	17.23	17.29
3334	NYSE	NGS	Fri, Jan 22, 2016	18.32	18.42	17.50	17.96
3333	NYSE	NGS	Thu, Jan 21, 2016	17.61	18.21	17.61	17.75
3332	NYSE	NGS	Wed, Jan 20, 2016	18.09	18.41	17.08	17.80
3331	NYSE	NGS	Tue, Jan 19, 2016	18.67	18.67	18.19	18.33
3330	NYSE	NGS	Fri, Jan 15, 2016	18.15	18.72	17.52	18.46
3329	NYSE	NGS	Thu, Jan 14, 2016	18.28	19.00	18.10	18.81
3328	NYSE	NGS	Wed, Jan 13, 2016	19.26	19.34	17.95	18.13
3327	NYSE	NGS	Tue, Jan 12, 2016	20.09	20.09	18.73	19.25
3326	NYSE	NGS	Mon, Jan 11, 2016	20.55	20.74	19.42	19.89
3325	NYSE	NGS	Fri, Jan 8, 2016	20.81	20.81	19.87	20.05
3324	NYSE	NGS	Thu, Jan 7, 2016	21.77	21.84	20.06	20.73
3323	NYSE	NGS	Wed, Jan 6, 2016	21.91	22.81	21.91	22.13
3322	NYSE	NGS	Tue, Jan 5, 2016	22.00	22.50	21.40	22.41
3321	NYSE	NGS	Mon, Jan 4, 2016	22.09	22.27	21.38	21.96
3320	NYSE	NGS	Thu, Dec 31, 2015	22.58	22.65	22.24	22.30
3319	NYSE	NGS	Wed, Dec 30, 2015	22.17	22.63	22.10	22.55
3318	NYSE	NGS	Tue, Dec 29, 2015	22.24	22.46	22.00	22.41
3317	NYSE	NGS	Mon, Dec 28, 2015	21.83	22.17	21.44	21.94
3316	NYSE	NGS	Thu, Dec 24, 2015	22.47	22.47	22.03	22.04
3315	NYSE	NGS	Wed, Dec 23, 2015	22.01	22.48	21.90	22.43
3314	NYSE	NGS	Tue, Dec 22, 2015	20.59	22.00	20.45	21.72
3313	NYSE	NGS	Mon, Dec 21, 2015	20.30	21.15	20.10	20.66
3312	NYSE	NGS	Fri, Dec 18, 2015	20.00	20.54	20.00	20.30
3311	NYSE	NGS	Thu, Dec 17, 2015	19.69	20.20	19.69	19.96
3310	NYSE	NGS	Wed, Dec 16, 2015	19.78	20.25	19.20	19.80
3309	NYSE	NGS	Tue, Dec 15, 2015	20.14	20.48	19.81	20.01
3308	NYSE	NGS	Mon, Dec 14, 2015	20.04	20.07	19.76	20.00
3307	NYSE	NGS	Fri, Dec 11, 2015	20.55	20.97	20.11	20.21
3306	NYSE	NGS	Thu, Dec 10, 2015	20.09	20.68	20.09	20.58
3305	NYSE	NGS	Wed, Dec 9, 2015	20.10	20.60	19.75	20.27
3304	NYSE	NGS	Tue, Dec 8, 2015	20.50	20.50	19.96	19.99
3303	NYSE	NGS	Mon, Dec 7, 2015	22.33	22.33	20.38	20.47
3302	NYSE	NGS	Fri, Dec 4, 2015	22.99	23.35	22.68	22.76
3301	NYSE	NGS	Thu, Dec 3, 2015	23.20	23.67	23.06	23.28
3300	NYSE	NGS	Wed, Dec 2, 2015	23.18	23.35	22.74	22.90
3299	NYSE	NGS	Tue, Dec 1, 2015	23.26	23.79	23.26	23.35
3298	NYSE	NGS	Mon, Nov 30, 2015	23.21	23.79	23.08	23.22
3297	NYSE	NGS	Fri, Nov 27, 2015	22.59	23.31	22.59	23.17
3296	NYSE	NGS	Wed, Nov 25, 2015	22.01	23.02	21.88	22.78
3295	NYSE	NGS	Tue, Nov 24, 2015	22.38	22.49	21.85	22.29
3294	NYSE	NGS	Mon, Nov 23, 2015	22.28	22.36	21.98	22.12
3293	NYSE	NGS	Fri, Nov 20, 2015	22.31	22.45	22.01	22.22
3292	NYSE	NGS	Thu, Nov 19, 2015	22.65	22.65	21.86	22.13
3291	NYSE	NGS	Wed, Nov 18, 2015	22.38	22.86	21.73	22.80
3290	NYSE	NGS	Tue, Nov 17, 2015	22.22	22.70	21.45	21.98
3289	NYSE	NGS	Mon, Nov 16, 2015	22.23	22.64	21.96	22.32
3288	NYSE	NGS	Fri, Nov 13, 2015	22.31	22.65	21.99	22.17
3287	NYSE	NGS	Thu, Nov 12, 2015	22.64	23.12	22.34	22.47
3286	NYSE	NGS	Wed, Nov 11, 2015	23.70	23.70	22.77	23.07
3285	NYSE	NGS	Tue, Nov 10, 2015	23.20	23.59	22.77	23.41
3284	NYSE	NGS	Mon, Nov 9, 2015	24.12	24.47	22.98	23.12
3283	NYSE	NGS	Fri, Nov 6, 2015	23.91	24.14	23.24	23.98
3282	NYSE	NGS	Thu, Nov 5, 2015	23.01	24.04	21.85	23.94
3281	NYSE	NGS	Wed, Nov 4, 2015	23.14	23.30	22.29	22.51
3280	NYSE	NGS	Tue, Nov 3, 2015	22.90	23.60	22.90	23.07
3279	NYSE	NGS	Mon, Nov 2, 2015	22.37	23.00	22.29	22.84
3278	NYSE	NGS	Fri, Oct 30, 2015	21.74	23.00	20.72	22.52
3277	NYSE	NGS	Thu, Oct 29, 2015	21.33	21.65	21.09	21.49
3276	NYSE	NGS	Wed, Oct 28, 2015	20.95	21.45	20.55	21.37
3275	NYSE	NGS	Tue, Oct 27, 2015	21.58	21.65	20.50	20.88
3274	NYSE	NGS	Mon, Oct 26, 2015	23.16	23.52	21.51	21.61
3273	NYSE	NGS	Fri, Oct 23, 2015	22.88	23.38	22.35	23.27
3272	NYSE	NGS	Thu, Oct 22, 2015	22.46	23.69	22.32	23.07
3271	NYSE	NGS	Wed, Oct 21, 2015	21.91	22.62	21.67	22.25
3270	NYSE	NGS	Tue, Oct 20, 2015	21.37	22.30	21.37	22.01
3269	NYSE	NGS	Mon, Oct 19, 2015	21.00	21.76	20.88	21.31
3268	NYSE	NGS	Fri, Oct 16, 2015	20.73	21.53	20.02	21.15
3267	NYSE	NGS	Thu, Oct 15, 2015	20.22	20.69	19.80	20.62
3266	NYSE	NGS	Wed, Oct 14, 2015	20.35	20.70	20.31	20.36
3265	NYSE	NGS	Tue, Oct 13, 2015	20.90	21.30	20.45	20.46
3264	NYSE	NGS	Mon, Oct 12, 2015	21.36	21.36	20.43	21.01
3263	NYSE	NGS	Fri, Oct 9, 2015	21.00	21.36	20.83	21.29
3262	NYSE	NGS	Thu, Oct 8, 2015	20.42	21.01	20.37	20.99
3261	NYSE	NGS	Wed, Oct 7, 2015	20.49	21.00	20.06	20.68
3260	NYSE	NGS	Tue, Oct 6, 2015	19.64	20.60	19.45	20.54
3259	NYSE	NGS	Mon, Oct 5, 2015	19.00	19.76	18.95	19.44
3258	NYSE	NGS	Fri, Oct 2, 2015	18.80	19.59	18.48	18.74
3257	NYSE	NGS	Thu, Oct 1, 2015	19.62	19.97	18.84	18.91
3256	NYSE	NGS	Wed, Sep 30, 2015	19.85	19.94	19.03	19.30
3255	NYSE	NGS	Tue, Sep 29, 2015	19.83	20.46	19.40	19.83
3254	NYSE	NGS	Mon, Sep 28, 2015	20.09	20.09	19.56	19.70
3253	NYSE	NGS	Fri, Sep 25, 2015	20.11	21.60	19.37	20.14
3252	NYSE	NGS	Thu, Sep 24, 2015	19.84	20.47	19.26	20.11
3251	NYSE	NGS	Wed, Sep 23, 2015	20.54	20.66	19.71	19.79
3250	NYSE	NGS	Tue, Sep 22, 2015	19.94	20.79	19.94	20.58
3249	NYSE	NGS	Mon, Sep 21, 2015	20.51	20.92	20.06	20.25
3248	NYSE	NGS	Fri, Sep 18, 2015	20.55	20.55	19.71	20.24
3247	NYSE	NGS	Thu, Sep 17, 2015	21.15	21.32	20.71	20.78
3246	NYSE	NGS	Wed, Sep 16, 2015	20.53	21.31	20.15	21.06
3245	NYSE	NGS	Tue, Sep 15, 2015	19.91	20.57	19.91	20.32
3244	NYSE	NGS	Mon, Sep 14, 2015	20.25	20.43	19.31	19.96
3243	NYSE	NGS	Fri, Sep 11, 2015	20.63	21.11	19.90	20.46
3242	NYSE	NGS	Thu, Sep 10, 2015	20.78	20.98	20.49	20.88
3241	NYSE	NGS	Wed, Sep 9, 2015	20.87	21.51	20.43	20.61
3240	NYSE	NGS	Tue, Sep 8, 2015	20.52	20.95	20.09	20.86
3239	NYSE	NGS	Fri, Sep 4, 2015	20.17	20.58	20.13	20.36
3238	NYSE	NGS	Thu, Sep 3, 2015	20.59	20.95	20.47	20.60
3237	NYSE	NGS	Wed, Sep 2, 2015	20.87	20.92	20.03	20.61
3236	NYSE	NGS	Tue, Sep 1, 2015	21.21	21.54	20.59	20.73
3235	NYSE	NGS	Mon, Aug 31, 2015	20.47	21.94	20.39	21.69
3234	NYSE	NGS	Fri, Aug 28, 2015	20.50	21.43	20.37	20.89
3233	NYSE	NGS	Thu, Aug 27, 2015	19.81	20.71	19.79	20.71
3232	NYSE	NGS	Wed, Aug 26, 2015	19.24	19.81	18.83	19.77
3231	NYSE	NGS	Tue, Aug 25, 2015	19.73	19.90	18.73	18.85
3230	NYSE	NGS	Mon, Aug 24, 2015	19.06	20.10	18.74	18.99
3229	NYSE	NGS	Fri, Aug 21, 2015	19.69	20.44	19.59	20.35
3228	NYSE	NGS	Thu, Aug 20, 2015	20.37	20.52	19.74	20.04
3227	NYSE	NGS	Wed, Aug 19, 2015	20.28	20.62	20.00	20.44
3226	NYSE	NGS	Tue, Aug 18, 2015	20.05	20.70	20.05	20.66
3225	NYSE	NGS	Mon, Aug 17, 2015	20.31	20.61	19.85	20.37
3224	NYSE	NGS	Fri, Aug 14, 2015	20.42	20.89	20.09	20.43
3223	NYSE	NGS	Thu, Aug 13, 2015	21.08	21.08	20.35	20.50
3222	NYSE	NGS	Wed, Aug 12, 2015	21.63	22.16	21.08	21.11
3221	NYSE	NGS	Tue, Aug 11, 2015	21.18	22.25	21.02	21.90
3220	NYSE	NGS	Mon, Aug 10, 2015	20.20	21.51	20.20	21.51
3219	NYSE	NGS	Fri, Aug 7, 2015	20.30	21.35	20.16	20.34
3218	NYSE	NGS	Thu, Aug 6, 2015	19.64	20.76	19.28	20.61
3217	NYSE	NGS	Wed, Aug 5, 2015	19.74	20.04	19.26	19.48
3216	NYSE	NGS	Tue, Aug 4, 2015	19.37	20.02	19.21	19.58
3215	NYSE	NGS	Mon, Aug 3, 2015	19.98	20.11	19.07	19.33
3214	NYSE	NGS	Fri, Jul 31, 2015	20.57	20.94	19.94	20.12
3213	NYSE	NGS	Thu, Jul 30, 2015	20.52	20.64	20.13	20.44
3212	NYSE	NGS	Wed, Jul 29, 2015	19.51	20.55	19.33	20.42
3211	NYSE	NGS	Tue, Jul 28, 2015	18.77	19.56	18.57	19.52
3210	NYSE	NGS	Mon, Jul 27, 2015	18.91	19.52	18.75	18.78
3209	NYSE	NGS	Fri, Jul 24, 2015	19.79	20.04	19.27	19.31
3208	NYSE	NGS	Thu, Jul 23, 2015	20.17	20.53	19.81	19.91
3207	NYSE	NGS	Wed, Jul 22, 2015	19.95	20.40	19.90	20.10
3206	NYSE	NGS	Tue, Jul 21, 2015	20.05	20.77	20.00	20.06
3205	NYSE	NGS	Mon, Jul 20, 2015	20.57	20.58	19.91	20.08
3204	NYSE	NGS	Fri, Jul 17, 2015	21.00	21.00	19.62	20.74
3203	NYSE	NGS	Thu, Jul 16, 2015	21.35	21.72	21.21	21.41
3202	NYSE	NGS	Wed, Jul 15, 2015	22.09	22.30	21.26	21.36
3201	NYSE	NGS	Tue, Jul 14, 2015	21.45	22.55	21.45	22.39
3200	NYSE	NGS	Mon, Jul 13, 2015	21.75	21.92	21.35	21.75
3199	NYSE	NGS	Fri, Jul 10, 2015	21.76	22.03	21.57	21.79
3198	NYSE	NGS	Thu, Jul 9, 2015	21.99	22.16	21.46	21.56
3197	NYSE	NGS	Wed, Jul 8, 2015	22.03	22.29	21.43	21.68
3196	NYSE	NGS	Tue, Jul 7, 2015	21.43	22.21	20.72	22.15
3195	NYSE	NGS	Mon, Jul 6, 2015	21.75	22.13	21.44	21.63
3194	NYSE	NGS	Thu, Jul 2, 2015	22.09	22.37	21.83	21.91
3193	NYSE	NGS	Wed, Jul 1, 2015	22.88	22.88	21.76	22.00
3192	NYSE	NGS	Tue, Jun 30, 2015	22.03	22.89	21.86	22.82
3191	NYSE	NGS	Mon, Jun 29, 2015	21.78	22.11	21.74	22.02
3190	NYSE	NGS	Fri, Jun 26, 2015	22.55	22.55	21.87	22.07
3189	NYSE	NGS	Thu, Jun 25, 2015	22.53	22.69	21.89	22.61
3188	NYSE	NGS	Wed, Jun 24, 2015	22.39	22.90	22.13	22.35
3187	NYSE	NGS	Tue, Jun 23, 2015	22.01	22.90	21.55	22.42
3186	NYSE	NGS	Mon, Jun 22, 2015	22.46	22.67	22.19	22.21
3185	NYSE	NGS	Fri, Jun 19, 2015	23.98	23.98	22.27	22.38
3184	NYSE	NGS	Thu, Jun 18, 2015	23.19	24.01	22.68	23.98
3183	NYSE	NGS	Wed, Jun 17, 2015	23.18	23.61	22.79	22.89
3182	NYSE	NGS	Tue, Jun 16, 2015	23.20	23.36	23.17	23.20
3181	NYSE	NGS	Mon, Jun 15, 2015	23.02	23.50	22.47	23.20
3180	NYSE	NGS	Fri, Jun 12, 2015	23.13	23.27	22.76	22.94
3179	NYSE	NGS	Thu, Jun 11, 2015	23.96	23.96	22.91	23.13
3178	NYSE	NGS	Wed, Jun 10, 2015	23.57	24.21	23.57	23.87
3177	NYSE	NGS	Tue, Jun 9, 2015	23.76	23.82	23.13	23.21
3176	NYSE	NGS	Mon, Jun 8, 2015	23.66	23.90	23.27	23.57
3175	NYSE	NGS	Fri, Jun 5, 2015	22.89	23.96	22.83	23.92
3174	NYSE	NGS	Thu, Jun 4, 2015	23.52	23.52	22.87	22.97
3173	NYSE	NGS	Wed, Jun 3, 2015	23.20	24.00	22.95	23.70
3172	NYSE	NGS	Tue, Jun 2, 2015	23.25	23.94	23.01	23.11
3171	NYSE	NGS	Mon, Jun 1, 2015	24.20	24.20	22.98	23.21
3170	NYSE	NGS	Fri, May 29, 2015	24.10	24.96	23.92	24.15
3169	NYSE	NGS	Thu, May 28, 2015	23.54	24.62	23.32	24.20
3168	NYSE	NGS	Wed, May 27, 2015	22.60	23.60	22.38	23.54
3167	NYSE	NGS	Tue, May 26, 2015	21.87	21.88	21.04	21.78
3166	NYSE	NGS	Fri, May 22, 2015	22.05	22.55	21.73	22.02
3165	NYSE	NGS	Thu, May 21, 2015	22.96	23.18	21.86	22.04
3164	NYSE	NGS	Wed, May 20, 2015	22.37	23.01	22.27	22.86
3163	NYSE	NGS	Tue, May 19, 2015	22.54	22.60	22.04	22.35
3162	NYSE	NGS	Mon, May 18, 2015	22.75	22.90	22.16	22.67
3161	NYSE	NGS	Fri, May 15, 2015	22.94	22.94	22.08	22.89
3160	NYSE	NGS	Thu, May 14, 2015	23.67	23.97	22.89	22.96
3159	NYSE	NGS	Wed, May 13, 2015	23.97	24.04	23.47	23.60
3158	NYSE	NGS	Tue, May 12, 2015	24.03	24.67	23.44	23.88
3157	NYSE	NGS	Mon, May 11, 2015	24.20	24.45	23.88	24.07
3156	NYSE	NGS	Fri, May 8, 2015	23.39	24.20	23.30	24.00
3155	NYSE	NGS	Thu, May 7, 2015	23.41	23.67	22.16	23.30
3154	NYSE	NGS	Wed, May 6, 2015	24.37	25.00	24.02	24.26
3153	NYSE	NGS	Tue, May 5, 2015	24.07	24.74	23.81	24.10
3152	NYSE	NGS	Mon, May 4, 2015	24.68	24.94	24.18	24.23
3151	NYSE	NGS	Fri, May 1, 2015	25.27	25.65	24.70	24.78
3150	NYSE	NGS	Thu, Apr 30, 2015	25.52	26.10	25.21	25.35
3149	NYSE	NGS	Wed, Apr 29, 2015	25.38	25.90	24.85	25.57
3148	NYSE	NGS	Tue, Apr 28, 2015	25.00	25.55	25.00	25.47
3147	NYSE	NGS	Mon, Apr 27, 2015	24.80	25.48	24.67	25.07
3146	NYSE	NGS	Fri, Apr 24, 2015	24.53	24.83	24.20	24.59
3145	NYSE	NGS	Thu, Apr 23, 2015	24.46	24.98	24.46	24.65
3144	NYSE	NGS	Wed, Apr 22, 2015	24.00	24.54	23.43	24.51
3143	NYSE	NGS	Tue, Apr 21, 2015	24.66	24.70	23.66	24.00
3142	NYSE	NGS	Mon, Apr 20, 2015	24.66	25.36	24.50	24.51
3141	NYSE	NGS	Fri, Apr 17, 2015	25.34	25.34	24.24	24.66
3140	NYSE	NGS	Thu, Apr 16, 2015	24.86	25.51	24.50	25.49
3139	NYSE	NGS	Wed, Apr 15, 2015	23.99	25.43	23.81	25.16
3138	NYSE	NGS	Tue, Apr 14, 2015	22.87	23.94	22.82	23.64
3137	NYSE	NGS	Mon, Apr 13, 2015	22.72	22.93	22.49	22.90
3136	NYSE	NGS	Fri, Apr 10, 2015	22.52	22.75	22.28	22.55
3135	NYSE	NGS	Thu, Apr 9, 2015	21.84	22.34	21.83	22.32
3134	NYSE	NGS	Wed, Apr 8, 2015	21.27	21.85	21.27	21.67
3133	NYSE	NGS	Tue, Apr 7, 2015	21.08	21.90	20.99	21.20
3132	NYSE	NGS	Mon, Apr 6, 2015	20.40	21.18	20.40	21.04
3131	NYSE	NGS	Thu, Apr 2, 2015	20.16	20.72	20.03	20.61
3130	NYSE	NGS	Wed, Apr 1, 2015	19.39	20.11	19.30	20.09
3129	NYSE	NGS	Tue, Mar 31, 2015	18.93	19.40	18.82	19.22
3128	NYSE	NGS	Mon, Mar 30, 2015	19.08	19.21	18.91	18.94
3127	NYSE	NGS	Fri, Mar 27, 2015	19.27	19.27	18.91	19.04
3126	NYSE	NGS	Thu, Mar 26, 2015	19.81	20.12	19.44	19.49
3125	NYSE	NGS	Wed, Mar 25, 2015	19.93	20.19	19.56	19.60
3124	NYSE	NGS	Tue, Mar 24, 2015	19.46	20.17	19.46	19.96
3123	NYSE	NGS	Mon, Mar 23, 2015	19.64	20.36	19.44	19.53
3122	NYSE	NGS	Fri, Mar 20, 2015	19.06	19.96	19.06	19.70
3121	NYSE	NGS	Thu, Mar 19, 2015	18.15	18.89	18.01	18.75
3120	NYSE	NGS	Wed, Mar 18, 2015	18.37	18.49	18.15	18.21
3119	NYSE	NGS	Tue, Mar 17, 2015	18.36	18.71	18.36	18.55
3118	NYSE	NGS	Mon, Mar 16, 2015	18.97	18.97	18.32	18.61
3117	NYSE	NGS	Fri, Mar 13, 2015	19.56	19.56	18.02	18.95
3116	NYSE	NGS	Thu, Mar 12, 2015	19.00	19.75	18.70	19.75
3115	NYSE	NGS	Wed, Mar 11, 2015	18.00	18.65	18.00	18.50
3114	NYSE	NGS	Tue, Mar 10, 2015	18.25	18.48	17.88	17.97
3113	NYSE	NGS	Mon, Mar 9, 2015	18.18	18.72	18.15	18.48
3112	NYSE	NGS	Fri, Mar 6, 2015	18.76	19.08	18.31	18.35
3111	NYSE	NGS	Thu, Mar 5, 2015	19.14	19.14	18.78	19.04
3110	NYSE	NGS	Wed, Mar 4, 2015	19.11	19.23	18.77	19.14
3109	NYSE	NGS	Tue, Mar 3, 2015	19.32	19.44	19.00	19.16
3108	NYSE	NGS	Mon, Mar 2, 2015	19.33	19.48	18.91	19.36
3107	NYSE	NGS	Fri, Feb 27, 2015	19.14	19.55	19.01	19.28
3106	NYSE	NGS	Thu, Feb 26, 2015	18.33	19.28	18.32	19.23
3105	NYSE	NGS	Wed, Feb 25, 2015	18.81	18.99	18.21	18.41
3104	NYSE	NGS	Tue, Feb 24, 2015	19.20	19.69	18.73	18.92
3103	NYSE	NGS	Mon, Feb 23, 2015	19.43	19.52	18.81	19.39
3102	NYSE	NGS	Fri, Feb 20, 2015	20.30	20.33	19.32	19.52
3101	NYSE	NGS	Thu, Feb 19, 2015	19.67	20.47	19.67	20.25
3100	NYSE	NGS	Wed, Feb 18, 2015	20.20	20.46	19.84	19.94
3099	NYSE	NGS	Tue, Feb 17, 2015	19.95	20.31	19.67	20.27
3098	NYSE	NGS	Fri, Feb 13, 2015	18.98	19.94	18.98	19.90
3097	NYSE	NGS	Thu, Feb 12, 2015	18.58	19.10	18.49	19.07
3096	NYSE	NGS	Wed, Feb 11, 2015	18.96	18.96	18.15	18.36
3095	NYSE	NGS	Tue, Feb 10, 2015	20.21	20.21	19.00	19.19
3094	NYSE	NGS	Mon, Feb 9, 2015	20.21	20.43	19.96	20.04
3093	NYSE	NGS	Fri, Feb 6, 2015	20.65	20.80	19.82	20.19
3092	NYSE	NGS	Thu, Feb 5, 2015	20.96	21.16	20.35	20.66
3091	NYSE	NGS	Wed, Feb 4, 2015	21.05	21.22	20.68	20.78
3090	NYSE	NGS	Tue, Feb 3, 2015	20.86	21.66	20.82	21.27
3089	NYSE	NGS	Mon, Feb 2, 2015	20.20	20.78	20.20	20.62
3088	NYSE	NGS	Fri, Jan 30, 2015	19.88	20.64	19.81	20.19
3087	NYSE	NGS	Thu, Jan 29, 2015	20.00	20.37	19.55	20.33
3086	NYSE	NGS	Wed, Jan 28, 2015	21.44	21.59	19.98	20.11
3085	NYSE	NGS	Tue, Jan 27, 2015	21.65	22.13	21.56	21.66
3084	NYSE	NGS	Mon, Jan 26, 2015	21.92	22.27	21.77	22.01
3083	NYSE	NGS	Fri, Jan 23, 2015	21.57	22.11	21.22	22.00
3082	NYSE	NGS	Thu, Jan 22, 2015	21.27	21.63	20.84	21.56
3081	NYSE	NGS	Wed, Jan 21, 2015	20.60	21.38	20.60	21.13
3080	NYSE	NGS	Tue, Jan 20, 2015	20.42	20.86	19.71	20.62
3079	NYSE	NGS	Fri, Jan 16, 2015	19.35	20.63	19.35	20.62
3078	NYSE	NGS	Thu, Jan 15, 2015	20.39	20.43	19.45	19.49
3077	NYSE	NGS	Wed, Jan 14, 2015	19.56	20.40	19.55	20.23
3076	NYSE	NGS	Tue, Jan 13, 2015	19.68	20.20	19.47	19.79
3075	NYSE	NGS	Mon, Jan 12, 2015	20.21	20.21	19.02	19.70
3074	NYSE	NGS	Fri, Jan 9, 2015	20.80	20.86	19.88	20.28
3073	NYSE	NGS	Thu, Jan 8, 2015	21.23	21.62	20.72	20.86
3072	NYSE	NGS	Wed, Jan 7, 2015	21.32	21.37	20.49	21.07
3071	NYSE	NGS	Tue, Jan 6, 2015	22.21	22.48	21.00	21.17
3070	NYSE	NGS	Mon, Jan 5, 2015	22.87	22.87	22.02	22.26
3069	NYSE	NGS	Fri, Jan 2, 2015	22.99	23.37	22.71	22.99
3068	NYSE	NGS	Wed, Dec 31, 2014	23.04	23.53	22.50	23.04
3067	NYSE	NGS	Tue, Dec 30, 2014	23.02	23.26	23.01	23.12
3066	NYSE	NGS	Mon, Dec 29, 2014	22.63	23.30	22.63	23.25
3065	NYSE	NGS	Fri, Dec 26, 2014	22.25	22.78	22.22	22.56
3064	NYSE	NGS	Wed, Dec 24, 2014	22.03	22.36	21.59	22.26
3063	NYSE	NGS	Tue, Dec 23, 2014	22.29	22.62	22.05	22.22
3062	NYSE	NGS	Mon, Dec 22, 2014	21.81	22.34	21.48	22.06
3061	NYSE	NGS	Fri, Dec 19, 2014	22.06	22.50	21.91	22.11
3060	NYSE	NGS	Thu, Dec 18, 2014	21.93	22.25	21.62	22.06
3059	NYSE	NGS	Wed, Dec 17, 2014	21.23	21.85	21.23	21.50
3058	NYSE	NGS	Tue, Dec 16, 2014	21.24	21.80	20.66	21.23
3057	NYSE	NGS	Mon, Dec 15, 2014	21.83	22.04	21.28	21.41
3056	NYSE	NGS	Fri, Dec 12, 2014	21.50	22.13	21.37	21.90
3055	NYSE	NGS	Thu, Dec 11, 2014	22.50	22.83	21.88	21.94
3054	NYSE	NGS	Wed, Dec 10, 2014	22.93	23.19	22.50	22.51
3053	NYSE	NGS	Tue, Dec 9, 2014	21.71	23.33	21.71	23.24
3052	NYSE	NGS	Mon, Dec 8, 2014	23.19	23.19	21.65	21.80
3051	NYSE	NGS	Fri, Dec 5, 2014	22.93	23.90	22.93	23.39
3050	NYSE	NGS	Thu, Dec 4, 2014	22.68	23.46	22.49	23.03
3049	NYSE	NGS	Wed, Dec 3, 2014	22.55	23.36	22.12	22.83
3048	NYSE	NGS	Tue, Dec 2, 2014	22.00	22.61	22.00	22.33
3047	NYSE	NGS	Mon, Dec 1, 2014	23.06	23.06	22.01	22.03
3046	NYSE	NGS	Fri, Nov 28, 2014	24.16	24.16	23.16	23.16
3045	NYSE	NGS	Wed, Nov 26, 2014	24.50	24.78	24.00	24.61
3044	NYSE	NGS	Tue, Nov 25, 2014	25.35	25.54	24.33	24.62
3043	NYSE	NGS	Mon, Nov 24, 2014	25.36	25.59	25.07	25.33
3042	NYSE	NGS	Fri, Nov 21, 2014	26.06	26.14	25.19	25.44
3041	NYSE	NGS	Thu, Nov 20, 2014	25.04	25.81	25.04	25.59
3040	NYSE	NGS	Wed, Nov 19, 2014	26.21	26.21	24.88	25.17
3039	NYSE	NGS	Tue, Nov 18, 2014	26.46	26.76	26.03	26.25
3038	NYSE	NGS	Mon, Nov 17, 2014	26.58	26.99	26.29	26.47
3037	NYSE	NGS	Fri, Nov 14, 2014	26.69	26.94	26.33	26.75
3036	NYSE	NGS	Thu, Nov 13, 2014	26.44	26.49	26.04	26.13
3035	NYSE	NGS	Wed, Nov 12, 2014	26.17	26.62	26.05	26.39
3034	NYSE	NGS	Tue, Nov 11, 2014	26.49	26.70	25.68	26.33
3033	NYSE	NGS	Mon, Nov 10, 2014	25.23	26.50	24.82	26.46
3032	NYSE	NGS	Fri, Nov 7, 2014	23.59	24.85	23.40	24.85
3031	NYSE	NGS	Thu, Nov 6, 2014	24.15	24.15	22.76	23.76
3030	NYSE	NGS	Wed, Nov 5, 2014	24.00	24.84	23.61	24.49
3029	NYSE	NGS	Tue, Nov 4, 2014	25.04	25.27	23.51	23.64
3028	NYSE	NGS	Mon, Nov 3, 2014	25.75	26.16	24.77	25.02
3027	NYSE	NGS	Fri, Oct 31, 2014	25.40	25.80	24.80	25.73
3026	NYSE	NGS	Thu, Oct 30, 2014	24.28	25.40	24.13	24.99
3025	NYSE	NGS	Wed, Oct 29, 2014	23.60	24.41	23.55	24.31
3024	NYSE	NGS	Tue, Oct 28, 2014	23.14	23.81	22.89	23.40
3023	NYSE	NGS	Mon, Oct 27, 2014	23.41	23.41	22.46	22.97
3022	NYSE	NGS	Fri, Oct 24, 2014	24.23	24.25	23.38	23.72
3021	NYSE	NGS	Thu, Oct 23, 2014	23.77	24.83	23.71	24.16
3020	NYSE	NGS	Wed, Oct 22, 2014	24.26	24.40	23.29	23.46
3019	NYSE	NGS	Tue, Oct 21, 2014	23.79	24.33	23.79	24.32
3018	NYSE	NGS	Mon, Oct 20, 2014	23.73	23.85	23.27	23.54
3017	NYSE	NGS	Fri, Oct 17, 2014	25.78	26.20	23.54	23.58
3016	NYSE	NGS	Thu, Oct 16, 2014	23.61	25.01	23.36	24.81
3015	NYSE	NGS	Wed, Oct 15, 2014	22.19	24.05	21.87	23.83
3014	NYSE	NGS	Tue, Oct 14, 2014	22.05	23.07	22.00	22.32
3013	NYSE	NGS	Mon, Oct 13, 2014	21.54	22.46	21.45	22.04
3012	NYSE	NGS	Fri, Oct 10, 2014	21.76	21.93	20.90	21.47
3011	NYSE	NGS	Thu, Oct 9, 2014	23.14	23.38	21.43	22.00
3010	NYSE	NGS	Wed, Oct 8, 2014	23.33	23.57	22.15	23.23
3009	NYSE	NGS	Tue, Oct 7, 2014	23.11	23.68	23.01	23.30
3008	NYSE	NGS	Mon, Oct 6, 2014	23.26	23.49	22.93	23.22
3007	NYSE	NGS	Fri, Oct 3, 2014	23.73	23.73	23.10	23.17
3006	NYSE	NGS	Thu, Oct 2, 2014	23.33	23.68	22.95	23.59
3005	NYSE	NGS	Wed, Oct 1, 2014	24.04	24.04	23.26	23.43
3004	NYSE	NGS	Tue, Sep 30, 2014	24.67	24.76	24.04	24.07
3003	NYSE	NGS	Mon, Sep 29, 2014	24.58	24.84	24.34	24.75
3002	NYSE	NGS	Fri, Sep 26, 2014	23.77	25.00	23.64	24.96
3001	NYSE	NGS	Thu, Sep 25, 2014	23.86	24.00	23.36	23.80
3000	NYSE	NGS	Wed, Sep 24, 2014	23.80	24.25	23.25	23.98
2999	NYSE	NGS	Tue, Sep 23, 2014	24.24	24.65	23.82	23.87
2998	NYSE	NGS	Mon, Sep 22, 2014	25.50	25.51	24.24	24.37
2997	NYSE	NGS	Fri, Sep 19, 2014	26.24	26.41	25.50	25.60
2996	NYSE	NGS	Thu, Sep 18, 2014	26.64	26.67	26.17	26.20
2995	NYSE	NGS	Wed, Sep 17, 2014	26.89	27.10	26.50	26.53
2994	NYSE	NGS	Tue, Sep 16, 2014	26.55	27.07	26.46	26.87
2993	NYSE	NGS	Mon, Sep 15, 2014	26.35	26.85	26.35	26.58
2992	NYSE	NGS	Fri, Sep 12, 2014	26.48	26.53	26.00	26.39
2991	NYSE	NGS	Thu, Sep 11, 2014	25.61	26.89	25.50	26.52
2990	NYSE	NGS	Wed, Sep 10, 2014	26.25	26.48	25.91	26.03
2989	NYSE	NGS	Tue, Sep 9, 2014	26.71	26.71	26.00	26.33
2988	NYSE	NGS	Mon, Sep 8, 2014	27.42	27.53	26.78	26.97
2987	NYSE	NGS	Fri, Sep 5, 2014	28.01	28.05	27.53	27.74
2986	NYSE	NGS	Thu, Sep 4, 2014	29.28	29.35	28.05	28.15
2985	NYSE	NGS	Wed, Sep 3, 2014	29.74	29.92	29.25	29.30
2984	NYSE	NGS	Tue, Sep 2, 2014	29.61	29.87	29.24	29.51
2983	NYSE	NGS	Fri, Aug 29, 2014	29.62	29.75	29.36	29.68
2982	NYSE	NGS	Thu, Aug 28, 2014	29.61	29.72	29.31	29.45
2981	NYSE	NGS	Wed, Aug 27, 2014	29.59	29.83	29.42	29.66
2980	NYSE	NGS	Tue, Aug 26, 2014	29.49	29.76	29.32	29.61
2979	NYSE	NGS	Mon, Aug 25, 2014	29.16	29.45	29.09	29.36
2978	NYSE	NGS	Fri, Aug 22, 2014	29.06	29.43	28.90	29.10
2977	NYSE	NGS	Thu, Aug 21, 2014	28.93	29.15	28.52	29.09
2976	NYSE	NGS	Wed, Aug 20, 2014	29.00	29.10	28.76	28.97
2975	NYSE	NGS	Tue, Aug 19, 2014	29.09	29.25	28.92	29.16
2974	NYSE	NGS	Mon, Aug 18, 2014	29.00	29.15	28.81	29.02
2973	NYSE	NGS	Fri, Aug 15, 2014	28.44	28.92	27.94	28.90
2972	NYSE	NGS	Thu, Aug 14, 2014	29.23	29.27	28.29	28.39
2971	NYSE	NGS	Wed, Aug 13, 2014	29.07	29.44	28.90	29.18
2970	NYSE	NGS	Tue, Aug 12, 2014	29.47	29.50	28.95	29.13
2969	NYSE	NGS	Mon, Aug 11, 2014	30.24	30.59	29.47	29.64
2968	NYSE	NGS	Fri, Aug 8, 2014	31.22	31.22	29.60	30.26
2967	NYSE	NGS	Thu, Aug 7, 2014	30.65	31.51	30.65	31.30
2966	NYSE	NGS	Wed, Aug 6, 2014	30.39	31.23	30.29	30.76
2965	NYSE	NGS	Tue, Aug 5, 2014	31.07	31.21	30.30	30.63
2964	NYSE	NGS	Mon, Aug 4, 2014	31.72	31.72	30.70	31.33
2963	NYSE	NGS	Fri, Aug 1, 2014	31.01	32.22	31.01	31.67
2962	NYSE	NGS	Thu, Jul 31, 2014	31.99	31.99	30.86	31.20
2961	NYSE	NGS	Wed, Jul 30, 2014	32.06	32.13	31.79	32.07
2960	NYSE	NGS	Tue, Jul 29, 2014	32.08	32.38	31.80	31.93
2959	NYSE	NGS	Mon, Jul 28, 2014	31.53	32.22	31.51	32.07
2958	NYSE	NGS	Fri, Jul 25, 2014	31.13	31.67	31.12	31.54
2957	NYSE	NGS	Thu, Jul 24, 2014	31.43	31.72	31.38	31.50
2956	NYSE	NGS	Wed, Jul 23, 2014	31.32	31.56	31.28	31.46
2955	NYSE	NGS	Tue, Jul 22, 2014	31.40	31.50	31.13	31.44
2954	NYSE	NGS	Mon, Jul 21, 2014	31.00	31.22	30.74	31.13
2953	NYSE	NGS	Fri, Jul 18, 2014	30.97	31.42	30.97	31.27
2952	NYSE	NGS	Thu, Jul 17, 2014	30.88	31.21	30.87	30.93
2951	NYSE	NGS	Wed, Jul 16, 2014	31.32	31.60	30.85	31.32
2950	NYSE	NGS	Tue, Jul 15, 2014	31.13	31.45	30.63	31.02
2949	NYSE	NGS	Mon, Jul 14, 2014	31.25	31.33	31.00	31.26
2948	NYSE	NGS	Fri, Jul 11, 2014	31.21	31.22	30.85	30.90
2947	NYSE	NGS	Thu, Jul 10, 2014	30.88	31.62	30.64	31.28
2946	NYSE	NGS	Wed, Jul 9, 2014	31.79	31.95	31.31	31.46
2945	NYSE	NGS	Tue, Jul 8, 2014	32.10	32.10	31.20	31.79
2944	NYSE	NGS	Mon, Jul 7, 2014	32.89	32.89	32.20	32.22
2943	NYSE	NGS	Thu, Jul 3, 2014	32.76	33.31	32.76	33.23
2942	NYSE	NGS	Wed, Jul 2, 2014	33.25	33.42	32.33	32.63
2941	NYSE	NGS	Tue, Jul 1, 2014	33.38	34.01	33.27	33.36
2940	NYSE	NGS	Mon, Jun 30, 2014	32.67	33.21	32.39	33.06
2939	NYSE	NGS	Fri, Jun 27, 2014	31.95	32.97	31.95	32.94
2938	NYSE	NGS	Thu, Jun 26, 2014	32.22	32.45	31.82	32.25
2937	NYSE	NGS	Wed, Jun 25, 2014	31.63	32.46	31.38	32.38
2936	NYSE	NGS	Tue, Jun 24, 2014	32.64	33.18	31.79	31.88
2935	NYSE	NGS	Mon, Jun 23, 2014	33.18	33.34	32.37	32.82
2934	NYSE	NGS	Fri, Jun 20, 2014	33.12	33.42	33.05	33.25
2933	NYSE	NGS	Thu, Jun 19, 2014	32.93	33.31	32.40	32.92
2932	NYSE	NGS	Wed, Jun 18, 2014	33.44	33.44	32.46	32.77
2931	NYSE	NGS	Tue, Jun 17, 2014	34.71	34.75	33.39	33.56
2930	NYSE	NGS	Mon, Jun 16, 2014	34.11	34.85	34.11	34.69
2929	NYSE	NGS	Fri, Jun 13, 2014	33.04	34.02	32.68	33.95
2928	NYSE	NGS	Thu, Jun 12, 2014	32.21	32.96	32.17	32.84
2927	NYSE	NGS	Wed, Jun 11, 2014	32.24	32.56	31.80	32.48
2926	NYSE	NGS	Tue, Jun 10, 2014	31.68	32.31	31.49	32.27
2925	NYSE	NGS	Mon, Jun 9, 2014	31.03	31.93	30.67	31.72
2924	NYSE	NGS	Fri, Jun 6, 2014	30.42	31.30	30.28	31.12
2923	NYSE	NGS	Thu, Jun 5, 2014	29.54	30.41	29.29	30.25
2922	NYSE	NGS	Wed, Jun 4, 2014	29.82	29.82	29.36	29.58
2921	NYSE	NGS	Tue, Jun 3, 2014	29.76	30.03	29.44	29.84
2920	NYSE	NGS	Mon, Jun 2, 2014	30.11	30.11	29.75	29.98
2919	NYSE	NGS	Fri, May 30, 2014	30.39	30.39	30.00	30.04
2918	NYSE	NGS	Thu, May 29, 2014	30.21	30.83	30.06	30.30
2917	NYSE	NGS	Wed, May 28, 2014	30.18	30.30	29.75	29.95
2916	NYSE	NGS	Tue, May 27, 2014	30.09	30.54	30.00	30.30
2915	NYSE	NGS	Fri, May 23, 2014	29.69	30.02	29.37	29.97
2914	NYSE	NGS	Thu, May 22, 2014	29.12	29.79	29.12	29.66
2913	NYSE	NGS	Wed, May 21, 2014	28.84	29.11	28.43	29.01
2912	NYSE	NGS	Tue, May 20, 2014	29.20	29.20	28.51	28.90
2911	NYSE	NGS	Mon, May 19, 2014	29.32	29.61	29.04	29.36
2910	NYSE	NGS	Fri, May 16, 2014	29.45	29.70	28.93	29.47
2909	NYSE	NGS	Thu, May 15, 2014	29.90	30.01	29.10	29.52
2908	NYSE	NGS	Wed, May 14, 2014	30.52	30.80	29.82	29.96
2907	NYSE	NGS	Tue, May 13, 2014	31.08	31.14	30.48	30.55
2906	NYSE	NGS	Mon, May 12, 2014	30.55	31.21	30.50	31.14
2905	NYSE	NGS	Fri, May 9, 2014	29.90	30.46	29.84	30.40
2904	NYSE	NGS	Thu, May 8, 2014	30.45	30.92	29.93	30.00
2903	NYSE	NGS	Wed, May 7, 2014	30.34	30.55	30.25	30.45
2902	NYSE	NGS	Tue, May 6, 2014	30.39	30.84	30.15	30.30
2901	NYSE	NGS	Mon, May 5, 2014	30.50	31.10	30.25	30.48
2900	NYSE	NGS	Fri, May 2, 2014	30.34	30.98	30.31	30.78
2899	NYSE	NGS	Thu, May 1, 2014	30.64	30.64	30.00	30.21
2898	NYSE	NGS	Wed, Apr 30, 2014	30.25	30.86	30.00	30.69
2897	NYSE	NGS	Tue, Apr 29, 2014	30.76	30.76	30.01	30.35
2896	NYSE	NGS	Mon, Apr 28, 2014	30.12	30.62	29.92	30.57
2895	NYSE	NGS	Fri, Apr 25, 2014	31.45	31.45	29.72	30.05
2894	NYSE	NGS	Thu, Apr 24, 2014	32.00	32.08	31.66	31.85
2893	NYSE	NGS	Wed, Apr 23, 2014	31.72	32.59	31.65	31.82
2892	NYSE	NGS	Tue, Apr 22, 2014	32.17	32.40	31.54	31.71
2891	NYSE	NGS	Mon, Apr 21, 2014	31.72	32.50	31.65	32.20
2890	NYSE	NGS	Thu, Apr 17, 2014	31.14	31.97	31.04	31.74
2889	NYSE	NGS	Wed, Apr 16, 2014	31.32	31.36	30.69	31.21
2888	NYSE	NGS	Tue, Apr 15, 2014	31.28	31.28	30.51	31.02
2887	NYSE	NGS	Mon, Apr 14, 2014	31.22	31.76	30.77	31.12
2886	NYSE	NGS	Fri, Apr 11, 2014	30.62	31.27	30.62	30.94
2885	NYSE	NGS	Thu, Apr 10, 2014	31.20	31.45	30.33	30.75
2884	NYSE	NGS	Wed, Apr 9, 2014	31.04	31.41	30.53	31.20
2883	NYSE	NGS	Tue, Apr 8, 2014	29.80	31.48	29.80	30.84
2882	NYSE	NGS	Mon, Apr 7, 2014	30.21	30.21	29.56	29.70
2881	NYSE	NGS	Fri, Apr 4, 2014	30.65	30.73	30.28	30.43
2880	NYSE	NGS	Thu, Apr 3, 2014	30.10	30.62	29.31	30.53
2879	NYSE	NGS	Wed, Apr 2, 2014	30.28	30.56	29.94	30.22
2878	NYSE	NGS	Tue, Apr 1, 2014	30.13	30.61	29.95	30.28
2877	NYSE	NGS	Mon, Mar 31, 2014	29.11	30.59	28.72	30.14
2876	NYSE	NGS	Fri, Mar 28, 2014	28.93	29.35	28.67	28.85
2875	NYSE	NGS	Thu, Mar 27, 2014	28.79	28.80	28.28	28.65
2874	NYSE	NGS	Wed, Mar 26, 2014	29.51	29.68	28.44	28.53
2873	NYSE	NGS	Tue, Mar 25, 2014	29.35	29.75	29.12	29.38
2872	NYSE	NGS	Mon, Mar 24, 2014	30.42	30.42	29.20	29.34
2871	NYSE	NGS	Fri, Mar 21, 2014	30.50	30.70	30.25	30.42
2870	NYSE	NGS	Thu, Mar 20, 2014	30.47	30.82	30.17	30.41
2869	NYSE	NGS	Wed, Mar 19, 2014	32.00	32.00	30.57	30.64
2868	NYSE	NGS	Tue, Mar 18, 2014	30.58	32.06	30.32	31.35
2867	NYSE	NGS	Mon, Mar 17, 2014	31.54	31.75	30.23	30.45
2866	NYSE	NGS	Fri, Mar 14, 2014	31.50	31.75	31.40	31.58
2865	NYSE	NGS	Thu, Mar 13, 2014	33.40	33.41	31.73	32.40
2864	NYSE	NGS	Wed, Mar 12, 2014	33.64	34.39	33.60	33.69
2863	NYSE	NGS	Tue, Mar 11, 2014	34.96	34.96	33.48	34.00
2862	NYSE	NGS	Mon, Mar 10, 2014	34.58	34.85	33.90	34.81
2861	NYSE	NGS	Fri, Mar 7, 2014	34.46	34.65	34.12	34.62
2860	NYSE	NGS	Thu, Mar 6, 2014	32.57	34.65	32.52	34.34
2859	NYSE	NGS	Wed, Mar 5, 2014	32.86	32.86	31.92	32.30
2858	NYSE	NGS	Tue, Mar 4, 2014	32.98	33.92	32.75	32.81
2857	NYSE	NGS	Mon, Mar 3, 2014	32.51	32.88	31.63	32.71
2856	NYSE	NGS	Fri, Feb 28, 2014	32.39	32.89	32.26	32.50
2855	NYSE	NGS	Thu, Feb 27, 2014	32.15	32.44	31.97	32.29
2854	NYSE	NGS	Wed, Feb 26, 2014	31.82	32.57	31.70	32.16
2853	NYSE	NGS	Tue, Feb 25, 2014	32.49	32.49	31.47	31.70
2852	NYSE	NGS	Mon, Feb 24, 2014	31.98	33.33	31.98	32.39
2851	NYSE	NGS	Fri, Feb 21, 2014	33.25	33.73	31.71	31.81
2850	NYSE	NGS	Thu, Feb 20, 2014	31.48	33.87	31.47	33.06
2849	NYSE	NGS	Wed, Feb 19, 2014	31.56	31.90	31.05	31.42
2848	NYSE	NGS	Tue, Feb 18, 2014	30.82	32.46	30.74	31.68
2847	NYSE	NGS	Fri, Feb 14, 2014	30.51	30.97	30.12	30.81
2846	NYSE	NGS	Thu, Feb 13, 2014	29.41	30.68	29.17	30.47
2845	NYSE	NGS	Wed, Feb 12, 2014	29.03	29.67	28.86	29.63
2844	NYSE	NGS	Tue, Feb 11, 2014	28.93	29.28	28.70	28.92
2843	NYSE	NGS	Mon, Feb 10, 2014	28.34	28.92	27.84	28.89
2842	NYSE	NGS	Fri, Feb 7, 2014	28.72	28.92	28.01	28.31
2841	NYSE	NGS	Thu, Feb 6, 2014	28.51	29.16	28.25	28.72
2840	NYSE	NGS	Wed, Feb 5, 2014	27.57	28.65	27.40	28.35
2839	NYSE	NGS	Tue, Feb 4, 2014	27.64	28.34	27.47	27.65
2838	NYSE	NGS	Mon, Feb 3, 2014	28.91	29.17	27.37	27.61
2837	NYSE	NGS	Fri, Jan 31, 2014	29.01	29.28	28.29	28.90
2836	NYSE	NGS	Thu, Jan 30, 2014	28.28	30.19	28.20	29.77
2835	NYSE	NGS	Wed, Jan 29, 2014	27.56	28.47	27.52	28.34
2834	NYSE	NGS	Tue, Jan 28, 2014	27.70	27.96	27.40	27.74
2833	NYSE	NGS	Mon, Jan 27, 2014	28.09	28.09	27.39	27.73
2832	NYSE	NGS	Fri, Jan 24, 2014	28.01	28.19	27.43	27.92
2831	NYSE	NGS	Thu, Jan 23, 2014	28.62	28.70	27.84	28.11
2830	NYSE	NGS	Wed, Jan 22, 2014	28.36	28.88	28.14	28.74
2829	NYSE	NGS	Tue, Jan 21, 2014	27.19	28.31	27.19	28.21
2828	NYSE	NGS	Fri, Jan 17, 2014	27.19	27.19	26.80	27.06
2827	NYSE	NGS	Thu, Jan 16, 2014	27.03	27.22	26.67	27.04
2826	NYSE	NGS	Wed, Jan 15, 2014	27.02	27.60	26.53	27.30
2825	NYSE	NGS	Tue, Jan 14, 2014	26.17	27.54	26.13	27.04
2824	NYSE	NGS	Mon, Jan 13, 2014	26.54	26.54	25.67	26.19
2823	NYSE	NGS	Fri, Jan 10, 2014	26.55	26.69	25.50	26.67
2822	NYSE	NGS	Thu, Jan 9, 2014	26.92	26.92	26.03	26.69
2821	NYSE	NGS	Wed, Jan 8, 2014	26.89	26.92	26.00	26.77
2820	NYSE	NGS	Tue, Jan 7, 2014	27.05	27.77	26.76	27.02
2819	NYSE	NGS	Mon, Jan 6, 2014	27.55	27.64	26.97	27.27
2818	NYSE	NGS	Fri, Jan 3, 2014	26.68	27.39	26.46	27.24
2817	NYSE	NGS	Thu, Jan 2, 2014	27.36	27.36	26.21	26.73
2816	NYSE	NGS	Tue, Dec 31, 2013	28.00	28.00	27.26	27.57
2815	NYSE	NGS	Mon, Dec 30, 2013	28.53	28.78	27.87	27.95
2814	NYSE	NGS	Fri, Dec 27, 2013	29.33	29.33	28.53	28.73
2813	NYSE	NGS	Thu, Dec 26, 2013	29.05	29.50	29.03	29.13
2812	NYSE	NGS	Tue, Dec 24, 2013	28.59	29.10	28.53	28.95
2811	NYSE	NGS	Mon, Dec 23, 2013	29.42	29.42	28.70	28.82
2810	NYSE	NGS	Fri, Dec 20, 2013	28.31	29.40	28.11	29.15
2809	NYSE	NGS	Thu, Dec 19, 2013	28.48	28.91	28.26	28.35
2808	NYSE	NGS	Wed, Dec 18, 2013	28.23	28.92	27.43	28.79
2807	NYSE	NGS	Tue, Dec 17, 2013	28.51	28.96	27.29	28.13
2806	NYSE	NGS	Mon, Dec 16, 2013	28.01	28.92	28.01	28.77
2805	NYSE	NGS	Fri, Dec 13, 2013	27.91	28.09	27.33	28.02
2804	NYSE	NGS	Thu, Dec 12, 2013	26.27	27.93	26.26	27.77
2803	NYSE	NGS	Wed, Dec 11, 2013	27.44	27.44	26.00	26.27
2802	NYSE	NGS	Tue, Dec 10, 2013	27.65	27.75	27.20	27.25
2801	NYSE	NGS	Mon, Dec 9, 2013	28.59	28.59	27.17	27.78
2800	NYSE	NGS	Fri, Dec 6, 2013	28.50	29.00	28.13	28.62
2799	NYSE	NGS	Thu, Dec 5, 2013	28.75	29.07	28.25	28.35
2798	NYSE	NGS	Wed, Dec 4, 2013	29.19	29.36	28.32	28.83
2797	NYSE	NGS	Tue, Dec 3, 2013	28.54	29.68	28.54	29.40
2796	NYSE	NGS	Mon, Dec 2, 2013	29.55	29.78	28.27	28.70
2795	NYSE	NGS	Fri, Nov 29, 2013	29.73	29.95	29.58	29.66
2794	NYSE	NGS	Wed, Nov 27, 2013	29.31	29.84	29.31	29.47
2793	NYSE	NGS	Tue, Nov 26, 2013	28.95	29.76	28.95	29.42
2792	NYSE	NGS	Mon, Nov 25, 2013	29.29	29.40	28.50	28.96
2791	NYSE	NGS	Fri, Nov 22, 2013	28.22	29.53	28.05	29.29
2790	NYSE	NGS	Thu, Nov 21, 2013	27.86	28.40	27.86	28.11
2789	NYSE	NGS	Wed, Nov 20, 2013	27.50	27.77	27.41	27.64
2788	NYSE	NGS	Tue, Nov 19, 2013	27.94	28.16	27.29	27.42
2787	NYSE	NGS	Mon, Nov 18, 2013	27.48	28.41	27.30	27.75
2786	NYSE	NGS	Fri, Nov 15, 2013	27.01	27.46	26.98	27.19
2785	NYSE	NGS	Thu, Nov 14, 2013	27.11	27.33	26.90	27.09
2784	NYSE	NGS	Wed, Nov 13, 2013	26.65	27.05	26.63	27.01
2783	NYSE	NGS	Tue, Nov 12, 2013	26.78	26.96	26.48	26.68
2782	NYSE	NGS	Mon, Nov 11, 2013	27.90	28.14	26.94	27.00
2781	NYSE	NGS	Fri, Nov 8, 2013	27.20	28.29	27.18	27.84
2780	NYSE	NGS	Thu, Nov 7, 2013	27.55	28.00	25.68	27.41
2779	NYSE	NGS	Wed, Nov 6, 2013	28.10	28.25	27.59	27.85
2778	NYSE	NGS	Tue, Nov 5, 2013	27.90	28.01	27.28	27.76
2777	NYSE	NGS	Mon, Nov 4, 2013	27.34	28.02	27.34	27.95
2776	NYSE	NGS	Fri, Nov 1, 2013	28.00	28.20	27.00	27.40
2775	NYSE	NGS	Thu, Oct 31, 2013	27.68	28.56	27.20	27.99
2774	NYSE	NGS	Wed, Oct 30, 2013	28.78	28.78	27.55	27.80
2773	NYSE	NGS	Tue, Oct 29, 2013	29.80	30.07	28.34	28.67
2772	NYSE	NGS	Mon, Oct 28, 2013	29.50	30.05	29.50	29.76
2771	NYSE	NGS	Fri, Oct 25, 2013	29.85	30.00	29.24	29.50
2770	NYSE	NGS	Thu, Oct 24, 2013	29.64	29.89	29.46	29.85
2769	NYSE	NGS	Wed, Oct 23, 2013	30.22	30.51	29.26	29.40
2768	NYSE	NGS	Tue, Oct 22, 2013	30.78	30.95	30.37	30.52
2767	NYSE	NGS	Mon, Oct 21, 2013	29.79	30.59	29.56	30.52
2766	NYSE	NGS	Fri, Oct 18, 2013	28.20	29.62	28.20	29.50
2765	NYSE	NGS	Thu, Oct 17, 2013	27.27	28.01	27.27	27.84
2764	NYSE	NGS	Wed, Oct 16, 2013	27.35	27.65	27.21	27.27
2763	NYSE	NGS	Tue, Oct 15, 2013	27.15	27.24	26.69	27.01
2762	NYSE	NGS	Mon, Oct 14, 2013	26.72	27.10	26.69	27.07
2761	NYSE	NGS	Fri, Oct 11, 2013	25.68	26.82	25.68	26.72
2760	NYSE	NGS	Thu, Oct 10, 2013	25.67	25.80	25.31	25.72
2759	NYSE	NGS	Wed, Oct 9, 2013	25.41	25.65	24.70	25.26
2758	NYSE	NGS	Tue, Oct 8, 2013	25.93	26.04	25.23	25.44
2757	NYSE	NGS	Mon, Oct 7, 2013	26.78	26.80	25.78	25.81
2756	NYSE	NGS	Fri, Oct 4, 2013	26.46	27.41	25.99	26.93
2755	NYSE	NGS	Thu, Oct 3, 2013	26.66	26.76	25.83	26.54
2754	NYSE	NGS	Wed, Oct 2, 2013	26.94	26.97	26.58	26.69
2753	NYSE	NGS	Tue, Oct 1, 2013	26.90	27.41	26.85	27.08
2752	NYSE	NGS	Mon, Sep 30, 2013	26.75	27.03	26.60	26.82
2751	NYSE	NGS	Fri, Sep 27, 2013	27.12	27.36	27.04	27.11
2750	NYSE	NGS	Thu, Sep 26, 2013	27.39	27.39	27.06	27.24
2749	NYSE	NGS	Wed, Sep 25, 2013	28.17	28.25	27.10	27.20
2748	NYSE	NGS	Tue, Sep 24, 2013	27.54	28.24	27.53	27.99
2747	NYSE	NGS	Mon, Sep 23, 2013	27.66	27.85	27.44	27.70
2746	NYSE	NGS	Fri, Sep 20, 2013	27.62	28.08	27.62	27.74
2745	NYSE	NGS	Thu, Sep 19, 2013	27.63	27.63	27.10	27.45
2744	NYSE	NGS	Wed, Sep 18, 2013	27.05	27.54	26.79	27.45
2743	NYSE	NGS	Tue, Sep 17, 2013	26.83	27.11	26.69	27.00
2742	NYSE	NGS	Mon, Sep 16, 2013	26.84	26.84	26.51	26.69
2741	NYSE	NGS	Fri, Sep 13, 2013	26.78	27.00	26.54	26.75
2740	NYSE	NGS	Thu, Sep 12, 2013	27.00	27.00	26.45	26.57
2739	NYSE	NGS	Wed, Sep 11, 2013	26.95	27.44	26.84	27.21
2738	NYSE	NGS	Tue, Sep 10, 2013	27.20	27.20	26.71	27.14
2737	NYSE	NGS	Mon, Sep 9, 2013	27.31	27.56	26.97	27.02
2736	NYSE	NGS	Fri, Sep 6, 2013	27.53	27.60	26.88	27.12
2735	NYSE	NGS	Thu, Sep 5, 2013	27.73	28.19	27.20	27.33
2734	NYSE	NGS	Wed, Sep 4, 2013	27.45	28.06	27.17	27.56
2733	NYSE	NGS	Tue, Sep 3, 2013	27.76	27.98	26.89	27.27
2732	NYSE	NGS	Fri, Aug 30, 2013	27.96	27.96	27.09	27.42
2731	NYSE	NGS	Thu, Aug 29, 2013	27.65	28.02	27.52	27.85
2730	NYSE	NGS	Wed, Aug 28, 2013	27.09	27.67	27.09	27.54
2729	NYSE	NGS	Tue, Aug 27, 2013	27.09	27.30	26.75	26.97
2728	NYSE	NGS	Mon, Aug 26, 2013	26.79	27.46	26.78	27.31
2727	NYSE	NGS	Fri, Aug 23, 2013	26.61	26.69	26.28	26.59
2726	NYSE	NGS	Thu, Aug 22, 2013	25.74	26.80	25.52	26.65
2725	NYSE	NGS	Wed, Aug 21, 2013	26.17	26.17	25.33	25.52
2724	NYSE	NGS	Tue, Aug 20, 2013	25.47	26.17	25.27	26.11
2723	NYSE	NGS	Mon, Aug 19, 2013	25.36	25.83	24.93	25.25
2722	NYSE	NGS	Fri, Aug 16, 2013	25.23	25.44	25.06	25.33
2721	NYSE	NGS	Thu, Aug 15, 2013	25.97	25.97	25.37	25.42
2720	NYSE	NGS	Wed, Aug 14, 2013	26.20	26.33	26.03	26.06
2719	NYSE	NGS	Tue, Aug 13, 2013	26.70	26.77	26.16	26.25
2718	NYSE	NGS	Mon, Aug 12, 2013	25.10	26.67	25.10	26.51
2717	NYSE	NGS	Fri, Aug 9, 2013	25.41	25.63	25.01	25.21
2716	NYSE	NGS	Thu, Aug 8, 2013	25.23	25.50	24.99	25.24
2715	NYSE	NGS	Wed, Aug 7, 2013	25.01	25.11	24.86	24.93
2714	NYSE	NGS	Tue, Aug 6, 2013	25.04	25.15	24.80	25.02
2713	NYSE	NGS	Mon, Aug 5, 2013	25.01	25.11	24.70	24.98
2712	NYSE	NGS	Fri, Aug 2, 2013	25.02	25.31	24.83	25.14
2711	NYSE	NGS	Thu, Aug 1, 2013	24.78	25.17	24.52	25.03
2710	NYSE	NGS	Wed, Jul 31, 2013	24.23	24.77	24.12	24.35
2709	NYSE	NGS	Tue, Jul 30, 2013	24.06	24.21	23.77	24.06
2708	NYSE	NGS	Mon, Jul 29, 2013	24.87	24.87	23.87	24.06
2707	NYSE	NGS	Fri, Jul 26, 2013	24.92	25.00	24.50	24.83
2706	NYSE	NGS	Thu, Jul 25, 2013	25.14	25.25	24.80	25.12
2705	NYSE	NGS	Wed, Jul 24, 2013	25.94	25.94	24.99	25.09
2704	NYSE	NGS	Tue, Jul 23, 2013	25.95	25.95	25.54	25.61
2703	NYSE	NGS	Mon, Jul 22, 2013	25.36	26.24	25.33	25.83
2702	NYSE	NGS	Fri, Jul 19, 2013	25.20	25.43	25.06	25.26
2701	NYSE	NGS	Thu, Jul 18, 2013	25.95	25.95	25.40	25.43
2700	NYSE	NGS	Wed, Jul 17, 2013	25.93	26.15	25.55	25.82
2699	NYSE	NGS	Tue, Jul 16, 2013	26.16	26.25	25.62	25.80
2698	NYSE	NGS	Mon, Jul 15, 2013	26.84	26.90	26.10	26.25
2697	NYSE	NGS	Fri, Jul 12, 2013	26.45	26.97	26.30	26.84
2696	NYSE	NGS	Thu, Jul 11, 2013	26.52	26.52	25.97	26.44
2695	NYSE	NGS	Wed, Jul 10, 2013	25.35	26.20	25.27	26.06
2694	NYSE	NGS	Tue, Jul 9, 2013	25.24	25.35	25.07	25.34
2693	NYSE	NGS	Mon, Jul 8, 2013	25.29	25.70	25.00	25.01
2692	NYSE	NGS	Fri, Jul 5, 2013	25.05	25.26	24.74	25.09
2691	NYSE	NGS	Wed, Jul 3, 2013	24.62	24.87	24.62	24.65
2690	NYSE	NGS	Tue, Jul 2, 2013	24.40	24.69	24.31	24.66
2689	NYSE	NGS	Mon, Jul 1, 2013	23.92	24.54	23.92	24.46
2688	NYSE	NGS	Fri, Jun 28, 2013	23.22	24.00	23.22	23.49
2687	NYSE	NGS	Thu, Jun 27, 2013	23.12	23.32	22.89	23.15
2686	NYSE	NGS	Wed, Jun 26, 2013	23.38	23.38	22.64	23.03
2685	NYSE	NGS	Tue, Jun 25, 2013	23.03	23.21	22.69	23.04
2684	NYSE	NGS	Mon, Jun 24, 2013	22.98	23.08	22.21	22.70
2683	NYSE	NGS	Fri, Jun 21, 2013	22.96	23.29	22.61	23.15
2682	NYSE	NGS	Thu, Jun 20, 2013	23.03	23.16	22.64	22.81
2681	NYSE	NGS	Wed, Jun 19, 2013	23.75	23.80	23.32	23.35
2680	NYSE	NGS	Tue, Jun 18, 2013	23.38	23.93	23.18	23.86
2679	NYSE	NGS	Mon, Jun 17, 2013	23.13	23.26	22.89	23.21
2678	NYSE	NGS	Fri, Jun 14, 2013	23.29	23.29	22.65	22.69
2677	NYSE	NGS	Thu, Jun 13, 2013	22.71	23.46	22.67	23.38
2676	NYSE	NGS	Wed, Jun 12, 2013	23.19	23.27	22.70	22.82
2675	NYSE	NGS	Tue, Jun 11, 2013	23.18	23.31	22.88	23.14
2674	NYSE	NGS	Mon, Jun 10, 2013	23.19	23.45	23.04	23.32
2673	NYSE	NGS	Fri, Jun 7, 2013	23.29	23.45	22.90	23.19
2672	NYSE	NGS	Thu, Jun 6, 2013	23.59	23.59	22.44	23.09
2671	NYSE	NGS	Wed, Jun 5, 2013	23.60	23.74	23.31	23.54
2670	NYSE	NGS	Tue, Jun 4, 2013	23.51	23.69	23.14	23.52
2669	NYSE	NGS	Mon, Jun 3, 2013	22.63	23.40	22.42	23.39
2668	NYSE	NGS	Fri, May 31, 2013	22.91	22.98	22.24	22.48
2667	NYSE	NGS	Thu, May 30, 2013	22.73	23.14	22.31	23.14
2666	NYSE	NGS	Wed, May 29, 2013	22.75	22.93	22.21	22.71
2665	NYSE	NGS	Tue, May 28, 2013	22.88	23.24	22.53	23.00
2664	NYSE	NGS	Fri, May 24, 2013	21.84	22.44	21.70	22.42
2663	NYSE	NGS	Thu, May 23, 2013	21.24	22.05	20.81	21.95
2662	NYSE	NGS	Wed, May 22, 2013	22.69	22.84	21.65	21.98
2661	NYSE	NGS	Tue, May 21, 2013	23.23	23.40	22.53	22.60
2660	NYSE	NGS	Mon, May 20, 2013	23.39	23.50	23.05	23.23
2659	NYSE	NGS	Fri, May 17, 2013	23.22	23.66	23.13	23.24
2658	NYSE	NGS	Thu, May 16, 2013	23.20	23.49	22.82	23.08
2657	NYSE	NGS	Wed, May 15, 2013	22.47	23.29	22.46	23.20
2656	NYSE	NGS	Tue, May 14, 2013	22.35	22.96	22.03	22.43
2655	NYSE	NGS	Mon, May 13, 2013	22.90	23.20	21.89	22.34
2654	NYSE	NGS	Fri, May 10, 2013	22.43	23.53	22.25	22.89
2653	NYSE	NGS	Thu, May 9, 2013	21.50	22.25	20.85	22.01
2652	NYSE	NGS	Wed, May 8, 2013	21.00	21.20	20.83	21.03
2651	NYSE	NGS	Tue, May 7, 2013	23.02	23.02	20.90	21.05
2650	NYSE	NGS	Mon, May 6, 2013	22.10	22.80	22.01	22.78
2649	NYSE	NGS	Fri, May 3, 2013	21.75	22.25	21.72	22.00
2648	NYSE	NGS	Thu, May 2, 2013	20.31	21.53	20.20	21.35
2647	NYSE	NGS	Wed, May 1, 2013	20.11	20.52	19.86	20.09
2646	NYSE	NGS	Tue, Apr 30, 2013	19.68	20.19	19.59	20.19
2645	NYSE	NGS	Mon, Apr 29, 2013	19.40	19.74	19.22	19.59
2644	NYSE	NGS	Fri, Apr 26, 2013	19.73	19.73	18.92	19.21
2643	NYSE	NGS	Thu, Apr 25, 2013	19.94	19.95	19.68	19.76
2642	NYSE	NGS	Wed, Apr 24, 2013	19.80	19.99	19.66	19.89
2641	NYSE	NGS	Tue, Apr 23, 2013	19.35	19.78	19.13	19.74
2640	NYSE	NGS	Mon, Apr 22, 2013	19.17	19.97	18.55	19.23
2639	NYSE	NGS	Fri, Apr 19, 2013	19.36	19.36	18.88	19.02
2638	NYSE	NGS	Thu, Apr 18, 2013	18.98	19.58	18.57	19.37
2637	NYSE	NGS	Wed, Apr 17, 2013	19.60	19.60	18.55	18.89
2636	NYSE	NGS	Tue, Apr 16, 2013	19.12	19.79	19.04	19.73
2635	NYSE	NGS	Mon, Apr 15, 2013	19.48	19.48	18.80	18.90
2634	NYSE	NGS	Fri, Apr 12, 2013	19.24	19.60	19.14	19.51
2633	NYSE	NGS	Thu, Apr 11, 2013	19.53	19.79	19.33	19.56
2632	NYSE	NGS	Wed, Apr 10, 2013	19.19	19.82	19.04	19.60
2631	NYSE	NGS	Tue, Apr 9, 2013	19.18	19.45	19.00	19.00
2630	NYSE	NGS	Mon, Apr 8, 2013	18.79	19.23	18.62	19.17
2629	NYSE	NGS	Fri, Apr 5, 2013	18.77	18.92	18.36	18.82
2628	NYSE	NGS	Thu, Apr 4, 2013	18.81	19.06	18.73	18.98
2627	NYSE	NGS	Wed, Apr 3, 2013	18.95	19.05	18.79	18.86
2626	NYSE	NGS	Tue, Apr 2, 2013	19.07	19.17	18.83	19.00
2625	NYSE	NGS	Mon, Apr 1, 2013	19.22	19.22	18.80	18.88
2624	NYSE	NGS	Thu, Mar 28, 2013	19.37	19.45	19.23	19.26
2623	NYSE	NGS	Wed, Mar 27, 2013	19.22	19.25	18.91	19.24
2622	NYSE	NGS	Tue, Mar 26, 2013	19.00	19.25	18.79	19.25
2621	NYSE	NGS	Mon, Mar 25, 2013	19.05	19.15	18.94	19.08
2620	NYSE	NGS	Fri, Mar 22, 2013	18.92	19.04	18.83	19.01
2619	NYSE	NGS	Thu, Mar 21, 2013	18.81	18.88	18.50	18.75
2618	NYSE	NGS	Wed, Mar 20, 2013	18.99	18.99	18.52	18.86
2617	NYSE	NGS	Tue, Mar 19, 2013	18.80	18.99	18.46	18.70
2616	NYSE	NGS	Mon, Mar 18, 2013	18.82	19.00	18.80	18.86
2615	NYSE	NGS	Fri, Mar 15, 2013	18.05	19.00	18.05	18.93
2614	NYSE	NGS	Thu, Mar 14, 2013	18.25	18.99	18.21	18.86
2613	NYSE	NGS	Wed, Mar 13, 2013	18.28	18.44	18.15	18.30
2612	NYSE	NGS	Tue, Mar 12, 2013	17.32	18.35	17.32	18.19
2611	NYSE	NGS	Mon, Mar 11, 2013	17.33	17.47	17.15	17.42
2610	NYSE	NGS	Fri, Mar 8, 2013	17.42	17.54	17.16	17.46
2609	NYSE	NGS	Thu, Mar 7, 2013	17.07	17.24	16.73	17.19
2608	NYSE	NGS	Wed, Mar 6, 2013	17.40	17.50	16.79	17.05
2607	NYSE	NGS	Tue, Mar 5, 2013	17.70	17.81	17.27	17.44
2606	NYSE	NGS	Mon, Mar 4, 2013	17.35	17.54	17.28	17.53
2605	NYSE	NGS	Fri, Mar 1, 2013	17.15	17.43	17.03	17.37
2604	NYSE	NGS	Thu, Feb 28, 2013	17.72	17.73	17.26	17.46
2603	NYSE	NGS	Wed, Feb 27, 2013	17.32	17.87	17.32	17.69
2602	NYSE	NGS	Tue, Feb 26, 2013	17.38	17.55	17.27	17.30
2601	NYSE	NGS	Mon, Feb 25, 2013	18.16	18.42	17.21	17.27
2600	NYSE	NGS	Fri, Feb 22, 2013	17.91	18.08	17.77	18.07
2599	NYSE	NGS	Thu, Feb 21, 2013	18.37	18.37	17.34	17.75
2598	NYSE	NGS	Wed, Feb 20, 2013	18.94	18.99	18.45	18.47
2597	NYSE	NGS	Tue, Feb 19, 2013	18.81	18.99	18.66	18.97
2596	NYSE	NGS	Fri, Feb 15, 2013	19.00	19.00	18.42	18.71
2595	NYSE	NGS	Thu, Feb 14, 2013	18.50	19.00	18.50	18.91
2594	NYSE	NGS	Wed, Feb 13, 2013	18.94	18.94	18.42	18.50
2593	NYSE	NGS	Tue, Feb 12, 2013	18.50	18.93	18.44	18.83
2592	NYSE	NGS	Mon, Feb 11, 2013	18.64	18.64	18.33	18.45
2591	NYSE	NGS	Fri, Feb 8, 2013	18.42	18.72	18.42	18.62
2590	NYSE	NGS	Thu, Feb 7, 2013	18.75	18.75	18.23	18.42
2589	NYSE	NGS	Wed, Feb 6, 2013	18.60	18.75	18.42	18.73
2588	NYSE	NGS	Tue, Feb 5, 2013	18.75	18.92	18.64	18.78
2587	NYSE	NGS	Mon, Feb 4, 2013	18.83	18.93	18.61	18.64
2586	NYSE	NGS	Fri, Feb 1, 2013	18.13	19.00	18.09	18.93
2585	NYSE	NGS	Thu, Jan 31, 2013	18.12	18.32	17.99	18.19
2584	NYSE	NGS	Wed, Jan 30, 2013	18.85	18.85	18.00	18.19
2583	NYSE	NGS	Tue, Jan 29, 2013	18.00	18.95	17.87	18.93
2582	NYSE	NGS	Mon, Jan 28, 2013	18.00	18.09	17.68	18.02
2581	NYSE	NGS	Fri, Jan 25, 2013	17.97	17.98	17.76	17.95
2580	NYSE	NGS	Thu, Jan 24, 2013	17.68	17.95	17.68	17.88
2579	NYSE	NGS	Wed, Jan 23, 2013	17.87	17.87	17.55	17.68
2578	NYSE	NGS	Tue, Jan 22, 2013	17.67	17.86	17.45	17.84
2577	NYSE	NGS	Fri, Jan 18, 2013	17.39	17.76	17.29	17.73
2576	NYSE	NGS	Thu, Jan 17, 2013	17.32	17.47	17.15	17.40
2575	NYSE	NGS	Wed, Jan 16, 2013	17.19	17.33	17.09	17.19
2574	NYSE	NGS	Tue, Jan 15, 2013	16.91	17.50	16.91	17.48
2573	NYSE	NGS	Mon, Jan 14, 2013	16.91	17.16	16.91	17.09
2572	NYSE	NGS	Fri, Jan 11, 2013	17.22	17.22	16.98	17.01
2571	NYSE	NGS	Thu, Jan 10, 2013	17.17	17.23	16.80	17.23
2570	NYSE	NGS	Wed, Jan 9, 2013	17.38	17.38	17.00	17.13
2569	NYSE	NGS	Tue, Jan 8, 2013	17.00	17.37	17.00	17.17
2568	NYSE	NGS	Mon, Jan 7, 2013	17.04	17.28	17.04	17.12
2567	NYSE	NGS	Fri, Jan 4, 2013	16.95	17.46	16.86	17.26
2566	NYSE	NGS	Thu, Jan 3, 2013	16.94	17.18	16.61	16.76
2565	NYSE	NGS	Wed, Jan 2, 2013	16.85	16.99	16.51	16.90
2564	NYSE	NGS	Mon, Dec 31, 2012	15.39	16.51	15.39	16.42
2563	NYSE	NGS	Fri, Dec 28, 2012	15.84	15.95	15.40	15.53
2562	NYSE	NGS	Thu, Dec 27, 2012	15.94	16.05	15.30	15.98
2561	NYSE	NGS	Wed, Dec 26, 2012	16.46	16.46	15.92	15.97
2560	NYSE	NGS	Mon, Dec 24, 2012	16.59	16.59	16.30	16.49
2559	NYSE	NGS	Fri, Dec 21, 2012	16.82	16.88	16.42	16.68
2558	NYSE	NGS	Thu, Dec 20, 2012	17.03	17.03	16.65	16.91
2557	NYSE	NGS	Wed, Dec 19, 2012	16.87	17.09	16.57	17.07
2556	NYSE	NGS	Tue, Dec 18, 2012	16.44	16.99	16.44	16.90
2555	NYSE	NGS	Mon, Dec 17, 2012	16.55	16.57	16.26	16.50
2554	NYSE	NGS	Fri, Dec 14, 2012	16.29	16.44	16.01	16.42
2553	NYSE	NGS	Thu, Dec 13, 2012	16.55	16.55	16.24	16.42
2552	NYSE	NGS	Wed, Dec 12, 2012	16.79	16.79	16.27	16.48
2551	NYSE	NGS	Tue, Dec 11, 2012	19.24	19.43	16.38	16.75
2550	NYSE	NGS	Mon, Dec 10, 2012	16.55	16.56	16.32	16.47
2549	NYSE	NGS	Fri, Dec 7, 2012	16.60	16.60	16.16	16.49
2548	NYSE	NGS	Thu, Dec 6, 2012	16.50	16.68	16.35	16.60
2547	NYSE	NGS	Wed, Dec 5, 2012	16.49	16.49	16.19	16.42
2546	NYSE	NGS	Tue, Dec 4, 2012	16.42	16.42	16.11	16.36
2545	NYSE	NGS	Mon, Dec 3, 2012	16.60	16.60	16.04	16.45
2544	NYSE	NGS	Fri, Nov 30, 2012	16.26	17.00	16.26	16.46
2543	NYSE	NGS	Thu, Nov 29, 2012	15.57	16.25	15.55	16.25
2542	NYSE	NGS	Wed, Nov 28, 2012	15.55	15.56	15.21	15.37
2541	NYSE	NGS	Tue, Nov 27, 2012	15.15	15.77	15.15	15.76
2540	NYSE	NGS	Mon, Nov 26, 2012	14.95	15.11	14.95	15.11
2539	NYSE	NGS	Fri, Nov 23, 2012	14.96	15.06	14.85	15.06
2538	NYSE	NGS	Wed, Nov 21, 2012	14.56	14.94	14.47	14.87
2537	NYSE	NGS	Tue, Nov 20, 2012	14.38	14.48	14.28	14.48
2536	NYSE	NGS	Mon, Nov 19, 2012	14.27	14.47	14.20	14.36
2535	NYSE	NGS	Fri, Nov 16, 2012	14.08	14.19	13.66	14.12
2534	NYSE	NGS	Thu, Nov 15, 2012	14.20	14.71	13.81	14.13
2533	NYSE	NGS	Wed, Nov 14, 2012	14.91	14.93	14.07	14.16
2532	NYSE	NGS	Tue, Nov 13, 2012	15.46	15.54	14.80	14.83
2531	NYSE	NGS	Mon, Nov 12, 2012	15.61	15.73	15.30	15.39
2530	NYSE	NGS	Fri, Nov 9, 2012	15.50	15.65	14.98	15.59
2529	NYSE	NGS	Thu, Nov 8, 2012	15.82	15.82	15.29	15.50
2528	NYSE	NGS	Wed, Nov 7, 2012	16.16	16.16	15.51	15.86
2527	NYSE	NGS	Tue, Nov 6, 2012	16.31	16.68	16.28	16.39
2526	NYSE	NGS	Mon, Nov 5, 2012	15.86	16.27	15.83	16.21
2525	NYSE	NGS	Fri, Nov 2, 2012	16.06	16.20	15.88	15.92
2524	NYSE	NGS	Thu, Nov 1, 2012	15.92	16.21	15.70	16.04
2523	NYSE	NGS	Wed, Oct 31, 2012	15.59	15.99	15.11	15.86
2522	NYSE	NGS	Fri, Oct 26, 2012	15.28	15.55	15.17	15.46
2521	NYSE	NGS	Thu, Oct 25, 2012	15.18	15.23	15.06	15.23
2520	NYSE	NGS	Wed, Oct 24, 2012	15.17	15.28	14.94	15.08
2519	NYSE	NGS	Tue, Oct 23, 2012	15.33	15.33	14.92	15.07
2518	NYSE	NGS	Mon, Oct 22, 2012	15.15	15.36	15.11	15.36
2517	NYSE	NGS	Fri, Oct 19, 2012	15.14	15.28	15.06	15.24
2516	NYSE	NGS	Thu, Oct 18, 2012	15.52	15.53	15.07	15.29
2515	NYSE	NGS	Wed, Oct 17, 2012	15.33	15.55	15.27	15.51
2514	NYSE	NGS	Tue, Oct 16, 2012	15.16	15.43	15.16	15.34
2513	NYSE	NGS	Mon, Oct 15, 2012	14.95	15.04	14.77	15.02
2512	NYSE	NGS	Fri, Oct 12, 2012	14.93	15.05	14.80	14.95
2511	NYSE	NGS	Thu, Oct 11, 2012	15.00	15.11	14.85	14.91
2510	NYSE	NGS	Wed, Oct 10, 2012	15.02	15.03	14.80	14.85
2509	NYSE	NGS	Tue, Oct 9, 2012	14.97	15.10	14.90	14.96
2508	NYSE	NGS	Mon, Oct 8, 2012	14.99	15.06	14.91	15.00
2507	NYSE	NGS	Fri, Oct 5, 2012	15.07	15.16	14.90	15.02
2506	NYSE	NGS	Thu, Oct 4, 2012	14.86	15.01	14.80	14.95
2505	NYSE	NGS	Wed, Oct 3, 2012	14.82	15.02	14.78	14.85
2504	NYSE	NGS	Tue, Oct 2, 2012	14.94	14.94	14.75	14.87
2503	NYSE	NGS	Mon, Oct 1, 2012	15.06	15.13	14.80	14.94
2502	NYSE	NGS	Fri, Sep 28, 2012	14.85	15.06	14.85	14.95
2501	NYSE	NGS	Thu, Sep 27, 2012	14.98	15.05	14.76	14.98
2500	NYSE	NGS	Wed, Sep 26, 2012	15.01	15.01	14.77	15.00
2499	NYSE	NGS	Tue, Sep 25, 2012	14.85	15.11	14.85	14.94
2498	NYSE	NGS	Mon, Sep 24, 2012	14.81	14.85	14.68	14.81
2497	NYSE	NGS	Fri, Sep 21, 2012	15.09	15.23	14.87	14.88
2496	NYSE	NGS	Thu, Sep 20, 2012	14.70	14.93	14.60	14.87
2495	NYSE	NGS	Wed, Sep 19, 2012	14.71	14.89	14.70	14.85
2494	NYSE	NGS	Tue, Sep 18, 2012	14.79	14.79	14.56	14.67
2493	NYSE	NGS	Mon, Sep 17, 2012	14.88	14.88	14.50	14.85
2492	NYSE	NGS	Fri, Sep 14, 2012	14.72	15.05	14.58	15.01
2491	NYSE	NGS	Thu, Sep 13, 2012	14.41	14.67	14.00	14.62
2490	NYSE	NGS	Wed, Sep 12, 2012	14.13	14.38	14.13	14.33
2489	NYSE	NGS	Tue, Sep 11, 2012	13.99	14.18	13.89	14.04
2488	NYSE	NGS	Mon, Sep 10, 2012	14.08	14.27	13.99	14.02
2487	NYSE	NGS	Fri, Sep 7, 2012	13.75	14.07	13.73	14.05
2486	NYSE	NGS	Thu, Sep 6, 2012	13.79	13.94	13.42	13.73
2485	NYSE	NGS	Wed, Sep 5, 2012	13.64	13.89	13.54	13.66
2484	NYSE	NGS	Tue, Sep 4, 2012	13.85	13.85	13.27	13.58
2483	NYSE	NGS	Fri, Aug 31, 2012	13.86	13.89	13.40	13.79
2482	NYSE	NGS	Thu, Aug 30, 2012	13.85	13.91	13.57	13.72
2481	NYSE	NGS	Wed, Aug 29, 2012	13.87	13.98	13.63	13.92
2480	NYSE	NGS	Tue, Aug 28, 2012	13.79	14.00	13.75	13.91
2479	NYSE	NGS	Mon, Aug 27, 2012	13.80	13.88	13.70	13.84
2478	NYSE	NGS	Fri, Aug 24, 2012	13.44	13.75	13.43	13.72
2477	NYSE	NGS	Thu, Aug 23, 2012	13.70	13.70	13.42	13.52
2476	NYSE	NGS	Wed, Aug 22, 2012	13.94	14.01	13.56	13.70
2475	NYSE	NGS	Tue, Aug 21, 2012	14.17	14.35	13.96	14.06
2474	NYSE	NGS	Mon, Aug 20, 2012	13.90	14.16	13.75	14.13
2473	NYSE	NGS	Fri, Aug 17, 2012	13.98	13.99	13.50	13.93
2472	NYSE	NGS	Thu, Aug 16, 2012	13.85	14.04	13.57	14.01
2471	NYSE	NGS	Wed, Aug 15, 2012	13.80	13.97	13.51	13.88
2470	NYSE	NGS	Tue, Aug 14, 2012	14.39	14.55	13.66	13.87
2469	NYSE	NGS	Mon, Aug 13, 2012	14.23	14.58	13.97	14.36
2468	NYSE	NGS	Fri, Aug 10, 2012	14.55	14.60	14.20	14.28
2467	NYSE	NGS	Thu, Aug 9, 2012	14.59	14.66	14.51	14.56
2466	NYSE	NGS	Wed, Aug 8, 2012	14.73	14.74	14.58	14.65
2465	NYSE	NGS	Tue, Aug 7, 2012	14.72	15.00	14.72	14.85
2464	NYSE	NGS	Mon, Aug 6, 2012	14.77	15.26	14.58	14.68
2463	NYSE	NGS	Fri, Aug 3, 2012	14.51	14.83	14.51	14.73
2462	NYSE	NGS	Thu, Aug 2, 2012	14.15	14.31	13.84	14.24
2461	NYSE	NGS	Wed, Aug 1, 2012	14.61	14.79	14.10	14.20
2460	NYSE	NGS	Tue, Jul 31, 2012	14.62	15.13	14.47	14.50
2459	NYSE	NGS	Mon, Jul 30, 2012	15.04	15.04	14.64	14.68
2458	NYSE	NGS	Fri, Jul 27, 2012	14.45	15.16	14.22	15.08
2457	NYSE	NGS	Thu, Jul 26, 2012	14.61	14.70	14.32	14.36
2456	NYSE	NGS	Wed, Jul 25, 2012	14.21	14.52	14.13	14.32
2455	NYSE	NGS	Tue, Jul 24, 2012	14.69	14.69	14.02	14.11
2454	NYSE	NGS	Mon, Jul 23, 2012	15.04	15.15	14.65	14.66
2453	NYSE	NGS	Fri, Jul 20, 2012	15.23	15.53	15.23	15.36
2452	NYSE	NGS	Thu, Jul 19, 2012	15.41	15.56	15.30	15.31
2451	NYSE	NGS	Wed, Jul 18, 2012	15.01	15.41	15.01	15.38
2450	NYSE	NGS	Tue, Jul 17, 2012	14.99	15.22	14.78	15.10
2449	NYSE	NGS	Mon, Jul 16, 2012	15.16	15.16	14.80	14.85
2448	NYSE	NGS	Fri, Jul 13, 2012	14.74	15.28	14.69	15.16
2447	NYSE	NGS	Thu, Jul 12, 2012	14.79	14.79	14.42	14.65
2446	NYSE	NGS	Wed, Jul 11, 2012	14.93	15.27	14.80	14.93
2445	NYSE	NGS	Tue, Jul 10, 2012	15.22	15.39	14.72	14.85
2444	NYSE	NGS	Mon, Jul 9, 2012	15.51	15.59	15.07	15.16
2443	NYSE	NGS	Fri, Jul 6, 2012	15.12	15.68	15.00	15.55
2442	NYSE	NGS	Thu, Jul 5, 2012	15.17	15.52	14.89	15.32
2441	NYSE	NGS	Tue, Jul 3, 2012	14.68	15.31	14.68	15.24
2440	NYSE	NGS	Mon, Jul 2, 2012	14.82	14.84	14.37	14.64
2439	NYSE	NGS	Fri, Jun 29, 2012	14.35	14.86	14.05	14.82
2438	NYSE	NGS	Thu, Jun 28, 2012	14.18	14.33	13.80	14.06
2437	NYSE	NGS	Wed, Jun 27, 2012	13.36	14.44	13.36	14.32
2436	NYSE	NGS	Tue, Jun 26, 2012	14.15	14.18	13.84	13.98
2435	NYSE	NGS	Mon, Jun 25, 2012	14.20	14.23	13.62	14.10
2434	NYSE	NGS	Fri, Jun 22, 2012	13.81	14.32	13.76	14.32
2433	NYSE	NGS	Thu, Jun 21, 2012	14.20	14.20	13.58	13.77
2432	NYSE	NGS	Wed, Jun 20, 2012	14.19	14.45	14.14	14.20
2431	NYSE	NGS	Tue, Jun 19, 2012	13.18	14.37	13.18	14.14
2430	NYSE	NGS	Mon, Jun 18, 2012	13.54	13.54	13.02	13.14
2429	NYSE	NGS	Fri, Jun 15, 2012	13.78	13.99	13.61	13.62
2428	NYSE	NGS	Thu, Jun 14, 2012	13.73	13.91	13.66	13.77
2427	NYSE	NGS	Wed, Jun 13, 2012	14.01	14.08	13.58	13.67
2426	NYSE	NGS	Tue, Jun 12, 2012	13.71	14.09	13.59	14.08
2425	NYSE	NGS	Mon, Jun 11, 2012	13.77	14.25	13.62	13.66
2424	NYSE	NGS	Fri, Jun 8, 2012	13.43	13.68	13.32	13.59
2423	NYSE	NGS	Thu, Jun 7, 2012	13.62	13.87	13.39	13.49
2422	NYSE	NGS	Wed, Jun 6, 2012	13.43	13.85	13.22	13.40
2421	NYSE	NGS	Tue, Jun 5, 2012	13.59	13.89	13.02	13.31
2420	NYSE	NGS	Mon, Jun 4, 2012	13.57	13.89	13.48	13.73
2419	NYSE	NGS	Fri, Jun 1, 2012	13.38	13.68	13.20	13.55
2418	NYSE	NGS	Thu, May 31, 2012	13.80	14.15	13.47	13.78
2417	NYSE	NGS	Wed, May 30, 2012	14.29	14.29	13.64	13.74
2416	NYSE	NGS	Tue, May 29, 2012	14.16	14.46	13.98	14.41
2415	NYSE	NGS	Fri, May 25, 2012	13.54	14.02	13.39	13.97
2414	NYSE	NGS	Thu, May 24, 2012	13.60	13.69	13.08	13.56
2413	NYSE	NGS	Wed, May 23, 2012	13.25	13.67	13.25	13.65
2412	NYSE	NGS	Tue, May 22, 2012	13.50	13.53	13.20	13.35
2411	NYSE	NGS	Mon, May 21, 2012	13.69	13.71	13.46	13.47
2410	NYSE	NGS	Fri, May 18, 2012	13.42	13.67	13.37	13.58
2409	NYSE	NGS	Thu, May 17, 2012	13.75	13.75	13.43	13.46
2408	NYSE	NGS	Wed, May 16, 2012	14.08	14.30	13.53	13.71
2407	NYSE	NGS	Tue, May 15, 2012	14.40	14.60	13.89	14.00
2406	NYSE	NGS	Mon, May 14, 2012	13.57	14.48	13.57	14.39
2405	NYSE	NGS	Fri, May 11, 2012	13.33	13.74	13.33	13.67
2404	NYSE	NGS	Thu, May 10, 2012	12.11	13.52	12.11	13.27
2403	NYSE	NGS	Wed, May 9, 2012	12.02	12.13	11.71	11.97
2402	NYSE	NGS	Tue, May 8, 2012	11.92	12.23	11.79	12.17
2401	NYSE	NGS	Mon, May 7, 2012	12.03	12.13	11.37	12.03
2400	NYSE	NGS	Fri, May 4, 2012	12.40	12.41	11.99	12.05
2399	NYSE	NGS	Thu, May 3, 2012	12.50	12.57	12.32	12.44
2398	NYSE	NGS	Wed, May 2, 2012	12.74	12.74	12.40	12.56
2397	NYSE	NGS	Tue, May 1, 2012	13.10	13.10	12.61	12.81
2396	NYSE	NGS	Mon, Apr 30, 2012	13.58	13.60	13.03	13.04
2395	NYSE	NGS	Fri, Apr 27, 2012	13.10	13.50	12.90	13.50
2394	NYSE	NGS	Thu, Apr 26, 2012	13.05	13.16	12.60	13.01
2393	NYSE	NGS	Wed, Apr 25, 2012	12.99	13.09	12.88	13.05
2392	NYSE	NGS	Tue, Apr 24, 2012	12.61	12.83	12.49	12.75
2391	NYSE	NGS	Mon, Apr 23, 2012	12.68	12.68	12.29	12.51
2390	NYSE	NGS	Fri, Apr 20, 2012	13.04	13.14	12.59	12.81
2389	NYSE	NGS	Thu, Apr 19, 2012	12.90	12.95	12.73	12.83
2388	NYSE	NGS	Wed, Apr 18, 2012	12.73	12.99	12.70	12.91
2387	NYSE	NGS	Tue, Apr 17, 2012	13.00	13.05	12.85	12.88
2386	NYSE	NGS	Mon, Apr 16, 2012	13.13	13.13	12.85	12.91
2385	NYSE	NGS	Fri, Apr 13, 2012	13.25	13.25	13.01	13.09
2384	NYSE	NGS	Thu, Apr 12, 2012	12.98	13.31	12.98	13.27
2383	NYSE	NGS	Wed, Apr 11, 2012	12.98	13.08	12.73	12.94
2382	NYSE	NGS	Tue, Apr 10, 2012	12.71	13.00	12.59	12.81
2381	NYSE	NGS	Mon, Apr 9, 2012	12.61	12.92	12.60	12.78
2380	NYSE	NGS	Thu, Apr 5, 2012	12.91	13.07	12.85	12.85
2379	NYSE	NGS	Wed, Apr 4, 2012	13.01	13.23	12.90	12.95
2378	NYSE	NGS	Tue, Apr 3, 2012	13.17	13.29	13.05	13.12
2377	NYSE	NGS	Mon, Apr 2, 2012	13.15	13.30	13.15	13.27
2376	NYSE	NGS	Fri, Mar 30, 2012	13.50	13.57	13.17	13.20
2375	NYSE	NGS	Thu, Mar 29, 2012	13.33	13.54	13.08	13.42
2374	NYSE	NGS	Wed, Mar 28, 2012	13.25	13.51	13.09	13.43
2373	NYSE	NGS	Tue, Mar 27, 2012	13.61	13.71	13.26	13.31
2372	NYSE	NGS	Mon, Mar 26, 2012	13.57	13.82	13.16	13.74
2371	NYSE	NGS	Fri, Mar 23, 2012	13.55	13.55	13.40	13.46
2370	NYSE	NGS	Thu, Mar 22, 2012	13.23	13.48	13.23	13.42
2369	NYSE	NGS	Wed, Mar 21, 2012	13.45	13.65	13.40	13.47
2368	NYSE	NGS	Tue, Mar 20, 2012	13.61	13.73	13.32	13.44
2367	NYSE	NGS	Mon, Mar 19, 2012	13.03	13.85	13.00	13.77
2366	NYSE	NGS	Fri, Mar 16, 2012	13.12	13.21	12.95	13.11
2365	NYSE	NGS	Thu, Mar 15, 2012	13.62	13.62	12.97	13.22
2364	NYSE	NGS	Wed, Mar 14, 2012	14.01	14.01	13.58	13.58
2363	NYSE	NGS	Tue, Mar 13, 2012	13.79	14.00	13.66	13.99
2362	NYSE	NGS	Mon, Mar 12, 2012	13.83	13.83	13.51	13.65
2361	NYSE	NGS	Fri, Mar 9, 2012	13.43	13.90	13.43	13.75
2360	NYSE	NGS	Thu, Mar 8, 2012	13.40	13.63	13.04	13.39
2359	NYSE	NGS	Wed, Mar 7, 2012	12.91	13.38	12.85	13.26
2358	NYSE	NGS	Tue, Mar 6, 2012	12.93	12.97	12.81	12.88
2357	NYSE	NGS	Mon, Mar 5, 2012	12.63	13.01	12.63	12.97
2356	NYSE	NGS	Fri, Mar 2, 2012	13.25	13.44	12.56	12.71
2355	NYSE	NGS	Thu, Mar 1, 2012	14.01	14.05	13.21	13.24
2354	NYSE	NGS	Wed, Feb 29, 2012	14.15	14.26	13.95	13.99
2353	NYSE	NGS	Tue, Feb 28, 2012	14.08	14.22	13.96	14.17
2352	NYSE	NGS	Mon, Feb 27, 2012	14.02	14.14	13.84	14.00
2351	NYSE	NGS	Fri, Feb 24, 2012	14.11	14.18	13.83	14.15
2350	NYSE	NGS	Thu, Feb 23, 2012	13.63	14.06	13.40	13.99
2349	NYSE	NGS	Wed, Feb 22, 2012	13.52	13.74	13.41	13.66
2348	NYSE	NGS	Tue, Feb 21, 2012	13.73	13.87	13.43	13.51
2347	NYSE	NGS	Fri, Feb 17, 2012	13.85	13.85	13.60	13.74
2346	NYSE	NGS	Thu, Feb 16, 2012	13.46	13.90	13.32	13.80
2345	NYSE	NGS	Wed, Feb 15, 2012	13.71	13.71	13.27	13.42
2344	NYSE	NGS	Tue, Feb 14, 2012	14.24	14.27	13.48	13.65
2343	NYSE	NGS	Mon, Feb 13, 2012	14.06	14.37	13.86	14.27
2342	NYSE	NGS	Fri, Feb 10, 2012	13.88	14.11	13.78	13.85
2341	NYSE	NGS	Thu, Feb 9, 2012	14.55	14.55	14.05	14.11
2340	NYSE	NGS	Wed, Feb 8, 2012	14.40	14.64	14.20	14.46
2339	NYSE	NGS	Tue, Feb 7, 2012	14.49	14.49	14.32	14.38
2338	NYSE	NGS	Mon, Feb 6, 2012	14.78	14.78	14.38	14.57
2337	NYSE	NGS	Fri, Feb 3, 2012	14.61	15.02	14.47	14.91
2336	NYSE	NGS	Thu, Feb 2, 2012	14.24	14.46	14.22	14.33
2335	NYSE	NGS	Wed, Feb 1, 2012	13.85	14.37	13.56	14.25
2334	NYSE	NGS	Tue, Jan 31, 2012	14.25	14.25	13.50	13.79
2333	NYSE	NGS	Mon, Jan 30, 2012	14.61	14.61	14.09	14.19
2332	NYSE	NGS	Fri, Jan 27, 2012	14.61	14.79	14.49	14.70
2331	NYSE	NGS	Thu, Jan 26, 2012	14.88	14.90	14.56	14.70
2330	NYSE	NGS	Wed, Jan 25, 2012	14.29	14.95	14.14	14.89
2329	NYSE	NGS	Tue, Jan 24, 2012	14.30	14.38	13.87	14.29
2328	NYSE	NGS	Mon, Jan 23, 2012	14.74	14.74	14.37	14.48
2327	NYSE	NGS	Fri, Jan 20, 2012	14.87	14.97	14.55	14.70
2326	NYSE	NGS	Thu, Jan 19, 2012	14.95	14.95	14.71	14.85
2325	NYSE	NGS	Wed, Jan 18, 2012	14.45	14.90	14.35	14.86
2324	NYSE	NGS	Tue, Jan 17, 2012	14.60	14.73	14.37	14.55
2323	NYSE	NGS	Fri, Jan 13, 2012	14.39	14.55	14.23	14.48
2322	NYSE	NGS	Thu, Jan 12, 2012	14.60	14.72	14.34	14.60
2321	NYSE	NGS	Wed, Jan 11, 2012	14.47	14.93	14.23	14.63
2320	NYSE	NGS	Tue, Jan 10, 2012	14.49	14.57	14.27	14.54
2319	NYSE	NGS	Mon, Jan 9, 2012	14.67	14.67	14.13	14.25
2318	NYSE	NGS	Fri, Jan 6, 2012	14.47	14.83	14.28	14.60
2317	NYSE	NGS	Thu, Jan 5, 2012	14.43	14.56	14.28	14.41
2316	NYSE	NGS	Wed, Jan 4, 2012	14.76	14.76	14.28	14.57
2315	NYSE	NGS	Tue, Jan 3, 2012	14.85	14.95	14.39	14.89
2314	NYSE	NGS	Fri, Dec 30, 2011	14.21	14.54	14.00	14.46
2313	NYSE	NGS	Thu, Dec 29, 2011	14.21	14.61	14.08	14.23
2312	NYSE	NGS	Wed, Dec 28, 2011	14.43	14.43	14.10	14.18
2311	NYSE	NGS	Tue, Dec 27, 2011	14.49	14.60	14.32	14.51
2310	NYSE	NGS	Fri, Dec 23, 2011	14.60	14.63	14.30	14.60
2309	NYSE	NGS	Thu, Dec 22, 2011	14.95	15.00	14.53	14.57
2308	NYSE	NGS	Wed, Dec 21, 2011	15.07	15.07	14.26	14.91
2307	NYSE	NGS	Tue, Dec 20, 2011	14.57	15.21	14.51	15.15
2306	NYSE	NGS	Mon, Dec 19, 2011	14.59	14.68	14.12	14.17
2305	NYSE	NGS	Fri, Dec 16, 2011	14.21	14.73	13.99	14.49
2304	NYSE	NGS	Thu, Dec 15, 2011	14.20	14.28	13.92	14.10
2303	NYSE	NGS	Wed, Dec 14, 2011	13.50	14.36	13.50	14.08
2302	NYSE	NGS	Tue, Dec 13, 2011	13.96	14.13	13.52	13.70
2301	NYSE	NGS	Mon, Dec 12, 2011	13.86	13.95	13.40	13.85
2300	NYSE	NGS	Fri, Dec 9, 2011	13.52	14.15	13.52	14.03
2299	NYSE	NGS	Thu, Dec 8, 2011	13.97	14.11	13.45	13.47
2298	NYSE	NGS	Wed, Dec 7, 2011	14.17	14.25	13.70	14.17
2297	NYSE	NGS	Tue, Dec 6, 2011	13.69	14.41	13.64	14.32
2296	NYSE	NGS	Mon, Dec 5, 2011	13.67	13.75	13.51	13.75
2295	NYSE	NGS	Fri, Dec 2, 2011	13.33	13.54	13.18	13.43
2294	NYSE	NGS	Thu, Dec 1, 2011	13.67	13.74	13.07	13.09
2293	NYSE	NGS	Wed, Nov 30, 2011	13.06	13.75	12.88	13.71
2292	NYSE	NGS	Tue, Nov 29, 2011	12.62	12.73	12.42	12.48
2291	NYSE	NGS	Mon, Nov 28, 2011	12.67	13.02	12.46	12.62
2290	NYSE	NGS	Fri, Nov 25, 2011	12.40	12.62	12.15	12.21
2289	NYSE	NGS	Wed, Nov 23, 2011	13.07	13.08	12.50	12.63
2288	NYSE	NGS	Tue, Nov 22, 2011	13.50	13.61	13.23	13.24
2287	NYSE	NGS	Mon, Nov 21, 2011	13.44	13.65	13.24	13.48
2286	NYSE	NGS	Fri, Nov 18, 2011	13.88	14.13	13.65	13.73
2285	NYSE	NGS	Thu, Nov 17, 2011	13.89	14.17	13.68	13.89
2284	NYSE	NGS	Wed, Nov 16, 2011	13.97	14.61	13.85	13.89
2283	NYSE	NGS	Tue, Nov 15, 2011	13.41	14.37	13.41	14.17
2282	NYSE	NGS	Mon, Nov 14, 2011	13.76	13.76	13.29	13.51
2281	NYSE	NGS	Fri, Nov 11, 2011	13.51	13.99	13.30	13.95
2280	NYSE	NGS	Thu, Nov 10, 2011	13.55	13.64	13.25	13.38
2279	NYSE	NGS	Wed, Nov 9, 2011	13.72	14.03	13.33	13.35
2278	NYSE	NGS	Tue, Nov 8, 2011	13.46	14.27	13.29	14.22
2277	NYSE	NGS	Mon, Nov 7, 2011	13.56	13.75	13.07	13.46
2276	NYSE	NGS	Fri, Nov 4, 2011	13.94	13.94	13.32	13.62
2275	NYSE	NGS	Thu, Nov 3, 2011	13.58	14.11	13.23	14.07
2274	NYSE	NGS	Wed, Nov 2, 2011	13.44	13.52	13.19	13.35
2273	NYSE	NGS	Tue, Nov 1, 2011	13.55	13.91	12.80	13.19
2272	NYSE	NGS	Mon, Oct 31, 2011	14.93	14.93	13.72	13.76
2271	NYSE	NGS	Fri, Oct 28, 2011	14.89	15.28	14.89	15.18
2270	NYSE	NGS	Thu, Oct 27, 2011	13.96	15.10	13.96	15.02
2269	NYSE	NGS	Wed, Oct 26, 2011	13.57	14.10	12.90	13.99
2268	NYSE	NGS	Tue, Oct 25, 2011	13.96	14.01	13.31	13.33
2267	NYSE	NGS	Mon, Oct 24, 2011	13.57	14.11	13.55	14.07
2266	NYSE	NGS	Fri, Oct 21, 2011	14.14	14.20	13.36	13.58
2265	NYSE	NGS	Thu, Oct 20, 2011	13.59	14.01	12.94	13.89
2264	NYSE	NGS	Wed, Oct 19, 2011	14.15	14.15	13.52	13.55
2263	NYSE	NGS	Tue, Oct 18, 2011	13.94	14.47	13.61	14.15
2262	NYSE	NGS	Mon, Oct 17, 2011	14.53	14.70	13.70	13.79
2261	NYSE	NGS	Fri, Oct 14, 2011	14.49	14.68	14.17	14.61
2260	NYSE	NGS	Thu, Oct 13, 2011	13.73	14.40	13.50	14.30
2259	NYSE	NGS	Wed, Oct 12, 2011	13.50	14.00	13.50	13.90
2258	NYSE	NGS	Tue, Oct 11, 2011	13.12	13.77	13.12	13.45
2257	NYSE	NGS	Mon, Oct 10, 2011	12.98	13.26	12.89	13.26
2256	NYSE	NGS	Fri, Oct 7, 2011	13.17	13.18	12.63	12.74
2255	NYSE	NGS	Thu, Oct 6, 2011	13.52	13.57	12.87	13.17
2254	NYSE	NGS	Wed, Oct 5, 2011	13.58	13.74	13.20	13.62
2253	NYSE	NGS	Tue, Oct 4, 2011	11.98	13.91	11.66	13.60
2252	NYSE	NGS	Mon, Oct 3, 2011	12.74	12.88	12.12	12.13
2251	NYSE	NGS	Fri, Sep 30, 2011	12.78	13.42	12.64	12.83
2250	NYSE	NGS	Thu, Sep 29, 2011	13.16	13.20	12.71	13.04
2249	NYSE	NGS	Wed, Sep 28, 2011	12.79	13.24	12.51	12.74
2248	NYSE	NGS	Tue, Sep 27, 2011	11.71	12.84	11.68	12.76
2247	NYSE	NGS	Mon, Sep 26, 2011	11.35	11.42	11.02	11.42
2246	NYSE	NGS	Fri, Sep 23, 2011	11.08	11.39	10.98	11.23
2245	NYSE	NGS	Thu, Sep 22, 2011	11.10	11.55	10.92	11.15
2244	NYSE	NGS	Wed, Sep 21, 2011	12.34	12.57	11.97	12.00
2243	NYSE	NGS	Tue, Sep 20, 2011	12.55	12.75	12.28	12.31
2242	NYSE	NGS	Mon, Sep 19, 2011	12.76	12.88	12.27	12.56
2241	NYSE	NGS	Fri, Sep 16, 2011	13.27	13.39	12.71	13.06
2240	NYSE	NGS	Thu, Sep 15, 2011	13.09	13.25	12.94	13.15
2239	NYSE	NGS	Wed, Sep 14, 2011	12.85	13.11	12.50	12.99
2238	NYSE	NGS	Tue, Sep 13, 2011	12.63	12.94	12.44	12.76
2237	NYSE	NGS	Mon, Sep 12, 2011	12.32	12.66	12.26	12.59
2236	NYSE	NGS	Fri, Sep 9, 2011	12.69	12.87	12.41	12.47
2235	NYSE	NGS	Thu, Sep 8, 2011	12.93	13.20	12.79	12.90
2234	NYSE	NGS	Wed, Sep 7, 2011	12.81	13.11	12.72	13.05
2233	NYSE	NGS	Tue, Sep 6, 2011	12.34	12.66	12.25	12.54
2232	NYSE	NGS	Fri, Sep 2, 2011	12.55	12.86	12.55	12.72
2231	NYSE	NGS	Thu, Sep 1, 2011	13.03	13.35	12.80	12.83
2230	NYSE	NGS	Wed, Aug 31, 2011	13.48	13.50	12.77	12.99
2229	NYSE	NGS	Tue, Aug 30, 2011	13.40	13.68	12.98	13.49
2228	NYSE	NGS	Mon, Aug 29, 2011	13.03	13.50	12.88	13.46
2227	NYSE	NGS	Fri, Aug 26, 2011	12.59	12.87	12.40	12.82
2226	NYSE	NGS	Thu, Aug 25, 2011	13.10	13.12	12.51	12.66
2225	NYSE	NGS	Wed, Aug 24, 2011	12.90	13.20	12.80	13.00
2224	NYSE	NGS	Tue, Aug 23, 2011	12.39	12.99	12.19	12.97
2223	NYSE	NGS	Mon, Aug 22, 2011	13.02	13.02	12.33	12.35
2222	NYSE	NGS	Fri, Aug 19, 2011	12.56	12.94	12.43	12.70
2221	NYSE	NGS	Thu, Aug 18, 2011	13.00	13.03	12.70	12.82
2220	NYSE	NGS	Wed, Aug 17, 2011	13.64	13.99	13.34	13.44
2219	NYSE	NGS	Tue, Aug 16, 2011	13.56	13.76	13.15	13.54
2218	NYSE	NGS	Mon, Aug 15, 2011	13.47	13.95	13.43	13.79
2217	NYSE	NGS	Fri, Aug 12, 2011	13.55	13.55	12.89	13.31
2216	NYSE	NGS	Thu, Aug 11, 2011	13.13	13.80	12.72	13.46
2215	NYSE	NGS	Wed, Aug 10, 2011	14.02	14.02	13.00	13.03
2214	NYSE	NGS	Tue, Aug 9, 2011	13.16	14.56	13.09	14.24
2213	NYSE	NGS	Mon, Aug 8, 2011	13.65	14.10	13.00	13.00
2212	NYSE	NGS	Fri, Aug 5, 2011	14.76	14.90	14.01	14.29
2211	NYSE	NGS	Thu, Aug 4, 2011	15.59	15.59	14.59	14.61
2210	NYSE	NGS	Wed, Aug 3, 2011	15.37	15.99	14.90	15.92
2209	NYSE	NGS	Tue, Aug 2, 2011	15.66	16.03	15.35	15.37
2208	NYSE	NGS	Mon, Aug 1, 2011	16.12	16.22	15.64	15.81
2207	NYSE	NGS	Fri, Jul 29, 2011	15.44	16.21	15.44	15.91
2206	NYSE	NGS	Thu, Jul 28, 2011	15.40	15.88	15.29	15.60
2205	NYSE	NGS	Wed, Jul 27, 2011	15.95	15.95	15.36	15.43
2204	NYSE	NGS	Tue, Jul 26, 2011	16.41	16.41	15.65	16.01
2203	NYSE	NGS	Mon, Jul 25, 2011	16.65	16.92	16.46	16.47
2202	NYSE	NGS	Fri, Jul 22, 2011	17.02	17.02	16.84	16.85
2201	NYSE	NGS	Thu, Jul 21, 2011	16.95	17.09	16.85	16.99
2200	NYSE	NGS	Wed, Jul 20, 2011	16.99	17.00	16.75	16.89
2199	NYSE	NGS	Tue, Jul 19, 2011	16.90	17.03	16.71	16.97
2198	NYSE	NGS	Mon, Jul 18, 2011	16.91	17.01	16.73	16.75
2197	NYSE	NGS	Fri, Jul 15, 2011	16.75	17.02	16.67	17.00
2196	NYSE	NGS	Thu, Jul 14, 2011	16.72	17.03	16.54	16.63
2195	NYSE	NGS	Wed, Jul 13, 2011	16.68	17.06	16.46	16.65
2194	NYSE	NGS	Tue, Jul 12, 2011	16.57	16.84	16.56	16.58
2193	NYSE	NGS	Mon, Jul 11, 2011	16.65	16.75	16.43	16.67
2192	NYSE	NGS	Fri, Jul 8, 2011	16.72	16.95	16.64	16.87
2191	NYSE	NGS	Thu, Jul 7, 2011	16.95	17.22	16.72	17.00
2190	NYSE	NGS	Wed, Jul 6, 2011	16.62	16.81	16.09	16.78
2189	NYSE	NGS	Tue, Jul 5, 2011	16.79	16.85	16.53	16.71
2188	NYSE	NGS	Fri, Jul 1, 2011	16.16	16.87	16.16	16.80
2187	NYSE	NGS	Thu, Jun 30, 2011	15.95	16.42	15.92	16.16
2186	NYSE	NGS	Wed, Jun 29, 2011	15.82	16.18	15.59	15.93
2185	NYSE	NGS	Tue, Jun 28, 2011	15.16	15.83	15.16	15.75
2184	NYSE	NGS	Mon, Jun 27, 2011	14.46	15.09	14.39	15.09
2183	NYSE	NGS	Fri, Jun 24, 2011	15.20	15.20	14.42	14.45
2182	NYSE	NGS	Thu, Jun 23, 2011	14.97	15.20	14.79	15.20
2181	NYSE	NGS	Wed, Jun 22, 2011	15.13	15.27	14.93	15.21
2180	NYSE	NGS	Tue, Jun 21, 2011	15.15	15.27	15.01	15.19
2179	NYSE	NGS	Mon, Jun 20, 2011	15.13	15.25	14.97	15.02
2178	NYSE	NGS	Fri, Jun 17, 2011	15.22	15.32	15.09	15.19
2177	NYSE	NGS	Thu, Jun 16, 2011	15.29	15.51	14.95	15.19
2176	NYSE	NGS	Wed, Jun 15, 2011	15.50	15.65	15.08	15.25
2175	NYSE	NGS	Tue, Jun 14, 2011	15.71	16.04	15.64	15.70
2174	NYSE	NGS	Mon, Jun 13, 2011	16.27	16.37	15.02	15.62
2173	NYSE	NGS	Fri, Jun 10, 2011	16.24	16.37	15.83	16.23
2172	NYSE	NGS	Thu, Jun 9, 2011	16.45	16.75	16.32	16.36
2171	NYSE	NGS	Wed, Jun 8, 2011	15.92	16.43	15.85	16.40
2170	NYSE	NGS	Tue, Jun 7, 2011	16.51	16.52	15.83	16.03
2169	NYSE	NGS	Mon, Jun 6, 2011	16.72	16.79	16.36	16.38
2168	NYSE	NGS	Fri, Jun 3, 2011	16.69	17.16	16.66	16.73
2167	NYSE	NGS	Thu, Jun 2, 2011	16.77	17.06	16.71	16.78
2166	NYSE	NGS	Wed, Jun 1, 2011	17.98	17.98	16.80	16.80
2165	NYSE	NGS	Tue, May 31, 2011	17.65	18.00	17.51	18.00
2164	NYSE	NGS	Fri, May 27, 2011	17.00	17.42	16.80	17.41
2163	NYSE	NGS	Thu, May 26, 2011	16.93	17.01	16.61	16.97
2162	NYSE	NGS	Wed, May 25, 2011	16.70	17.12	16.66	16.97
2161	NYSE	NGS	Tue, May 24, 2011	16.83	16.92	16.72	16.78
2160	NYSE	NGS	Mon, May 23, 2011	16.83	16.85	16.60	16.71
2159	NYSE	NGS	Fri, May 20, 2011	17.03	17.12	16.85	17.09
2158	NYSE	NGS	Thu, May 19, 2011	17.50	17.50	16.83	17.11
2157	NYSE	NGS	Wed, May 18, 2011	16.77	17.47	16.76	17.41
2156	NYSE	NGS	Tue, May 17, 2011	16.98	17.25	16.34	16.69
2155	NYSE	NGS	Mon, May 16, 2011	17.10	17.46	17.00	17.01
2154	NYSE	NGS	Fri, May 13, 2011	17.36	17.47	17.01	17.19
2153	NYSE	NGS	Thu, May 12, 2011	17.38	17.61	17.01	17.37
2152	NYSE	NGS	Wed, May 11, 2011	17.93	18.16	17.09	17.48
2151	NYSE	NGS	Tue, May 10, 2011	17.55	18.21	17.33	18.00
2150	NYSE	NGS	Mon, May 9, 2011	17.34	17.52	17.00	17.28
2149	NYSE	NGS	Fri, May 6, 2011	17.85	18.15	17.06	17.17
2148	NYSE	NGS	Thu, May 5, 2011	17.79	18.00	17.50	17.71
2147	NYSE	NGS	Wed, May 4, 2011	17.85	17.99	17.50	17.87
2146	NYSE	NGS	Tue, May 3, 2011	17.57	18.00	17.62	17.82
2145	NYSE	NGS	Mon, May 2, 2011	18.10	18.12	17.57	17.62
2144	NYSE	NGS	Fri, Apr 29, 2011	18.07	18.07	17.94	18.03
2143	NYSE	NGS	Thu, Apr 28, 2011	18.00	18.16	17.96	18.02
2142	NYSE	NGS	Wed, Apr 27, 2011	18.54	18.54	17.98	18.01
2141	NYSE	NGS	Tue, Apr 26, 2011	18.13	18.67	18.07	18.48
2140	NYSE	NGS	Mon, Apr 25, 2011	18.34	18.36	17.83	18.05
2139	NYSE	NGS	Thu, Apr 21, 2011	18.24	18.45	18.00	18.41
2138	NYSE	NGS	Wed, Apr 20, 2011	18.26	18.41	18.05	18.12
2137	NYSE	NGS	Tue, Apr 19, 2011	18.12	18.18	17.97	18.12
2136	NYSE	NGS	Mon, Apr 18, 2011	17.78	18.12	17.73	18.10
2135	NYSE	NGS	Fri, Apr 15, 2011	17.73	18.04	17.67	17.99
2134	NYSE	NGS	Thu, Apr 14, 2011	17.16	17.79	17.15	17.77
2133	NYSE	NGS	Wed, Apr 13, 2011	17.63	17.80	16.88	17.28
2132	NYSE	NGS	Tue, Apr 12, 2011	17.33	17.79	17.10	17.46
2131	NYSE	NGS	Mon, Apr 11, 2011	17.12	17.67	17.01	17.41
2130	NYSE	NGS	Fri, Apr 8, 2011	16.83	17.36	16.79	17.09
2129	NYSE	NGS	Thu, Apr 7, 2011	17.32	17.40	16.35	16.71
2128	NYSE	NGS	Wed, Apr 6, 2011	18.54	18.54	17.22	17.28
2127	NYSE	NGS	Tue, Apr 5, 2011	18.03	18.45	17.94	18.38
2126	NYSE	NGS	Mon, Apr 4, 2011	17.93	18.10	17.65	18.03
2125	NYSE	NGS	Fri, Apr 1, 2011	17.89	18.00	17.70	17.83
2124	NYSE	NGS	Thu, Mar 31, 2011	17.66	17.88	17.65	17.76
2123	NYSE	NGS	Wed, Mar 30, 2011	17.95	17.95	17.58	17.65
2122	NYSE	NGS	Tue, Mar 29, 2011	17.49	17.98	17.49	17.89
2121	NYSE	NGS	Mon, Mar 28, 2011	17.75	18.02	17.50	17.50
2120	NYSE	NGS	Fri, Mar 25, 2011	17.69	18.18	17.65	17.74
2119	NYSE	NGS	Thu, Mar 24, 2011	17.98	17.98	17.38	17.78
2118	NYSE	NGS	Wed, Mar 23, 2011	17.93	18.16	17.55	17.86
2117	NYSE	NGS	Tue, Mar 22, 2011	17.96	18.00	17.31	17.95
2116	NYSE	NGS	Mon, Mar 21, 2011	17.28	17.90	17.15	17.90
2115	NYSE	NGS	Fri, Mar 18, 2011	16.82	17.26	16.68	16.90
2114	NYSE	NGS	Thu, Mar 17, 2011	16.40	16.94	16.24	16.62
2113	NYSE	NGS	Wed, Mar 16, 2011	15.87	16.20	15.74	15.99
2112	NYSE	NGS	Tue, Mar 15, 2011	15.66	15.99	14.18	15.85
2111	NYSE	NGS	Mon, Mar 14, 2011	16.35	16.47	15.82	16.21
2110	NYSE	NGS	Fri, Mar 11, 2011	16.25	16.50	16.11	16.37
2109	NYSE	NGS	Thu, Mar 10, 2011	17.50	17.52	16.32	16.36
2108	NYSE	NGS	Wed, Mar 9, 2011	17.70	17.96	17.62	17.62
2107	NYSE	NGS	Tue, Mar 8, 2011	17.69	17.81	17.51	17.75
2106	NYSE	NGS	Mon, Mar 7, 2011	17.60	17.90	17.51	17.78
2105	NYSE	NGS	Fri, Mar 4, 2011	18.32	18.32	17.50	17.61
2104	NYSE	NGS	Thu, Mar 3, 2011	19.33	19.40	18.30	18.39
2103	NYSE	NGS	Wed, Mar 2, 2011	19.20	19.36	18.57	19.14
2102	NYSE	NGS	Tue, Mar 1, 2011	19.45	19.45	18.68	19.00
2101	NYSE	NGS	Mon, Feb 28, 2011	19.40	19.50	19.00	19.34
2100	NYSE	NGS	Fri, Feb 25, 2011	18.76	19.31	18.68	19.30
2099	NYSE	NGS	Thu, Feb 24, 2011	18.60	18.77	18.47	18.66
2098	NYSE	NGS	Wed, Feb 23, 2011	18.56	19.00	18.53	18.55
2097	NYSE	NGS	Tue, Feb 22, 2011	18.39	18.56	18.31	18.50
2096	NYSE	NGS	Fri, Feb 18, 2011	18.47	18.63	18.31	18.47
2095	NYSE	NGS	Thu, Feb 17, 2011	18.19	18.50	18.10	18.50
2094	NYSE	NGS	Wed, Feb 16, 2011	18.10	18.25	18.00	18.24
2093	NYSE	NGS	Tue, Feb 15, 2011	18.07	18.21	17.96	17.99
2092	NYSE	NGS	Mon, Feb 14, 2011	18.01	18.50	18.00	18.06
2091	NYSE	NGS	Fri, Feb 11, 2011	18.06	18.28	17.98	18.06
2090	NYSE	NGS	Thu, Feb 10, 2011	18.03	18.27	17.93	18.19
2089	NYSE	NGS	Wed, Feb 9, 2011	18.15	18.31	17.92	18.10
2088	NYSE	NGS	Tue, Feb 8, 2011	17.93	18.23	17.87	18.23
2087	NYSE	NGS	Mon, Feb 7, 2011	17.91	18.23	17.90	17.99
2086	NYSE	NGS	Fri, Feb 4, 2011	17.90	18.00	17.75	17.90
2085	NYSE	NGS	Thu, Feb 3, 2011	18.00	18.00	17.51	17.98
2084	NYSE	NGS	Wed, Feb 2, 2011	18.11	18.16	17.90	18.00
2083	NYSE	NGS	Tue, Feb 1, 2011	18.09	18.25	17.82	18.08
2082	NYSE	NGS	Mon, Jan 31, 2011	17.64	18.11	17.64	17.86
2081	NYSE	NGS	Fri, Jan 28, 2011	18.15	18.15	17.51	17.57
2080	NYSE	NGS	Thu, Jan 27, 2011	18.28	18.47	18.07	18.15
2079	NYSE	NGS	Wed, Jan 26, 2011	17.95	18.43	17.95	18.25
2078	NYSE	NGS	Tue, Jan 25, 2011	17.71	17.92	17.69	17.89
2077	NYSE	NGS	Mon, Jan 24, 2011	17.55	17.90	17.52	17.81
2076	NYSE	NGS	Fri, Jan 21, 2011	18.12	18.27	17.57	17.60
2075	NYSE	NGS	Thu, Jan 20, 2011	18.13	18.21	17.85	18.01
2074	NYSE	NGS	Wed, Jan 19, 2011	18.70	18.71	18.15	18.31
2073	NYSE	NGS	Tue, Jan 18, 2011	18.86	18.91	18.70	18.70
2072	NYSE	NGS	Fri, Jan 14, 2011	18.83	18.96	18.70	18.94
2071	NYSE	NGS	Thu, Jan 13, 2011	18.73	18.98	18.71	18.81
2070	NYSE	NGS	Wed, Jan 12, 2011	18.05	18.80	17.75	18.79
2069	NYSE	NGS	Tue, Jan 11, 2011	17.92	18.16	17.70	17.84
2068	NYSE	NGS	Mon, Jan 10, 2011	17.74	17.89	17.53	17.77
2067	NYSE	NGS	Fri, Jan 7, 2011	17.55	17.75	17.50	17.74
2066	NYSE	NGS	Thu, Jan 6, 2011	18.13	18.17	17.50	17.55
2065	NYSE	NGS	Wed, Jan 5, 2011	18.10	18.17	17.71	18.10
2064	NYSE	NGS	Tue, Jan 4, 2011	18.81	18.81	17.88	18.07
2063	NYSE	NGS	Mon, Jan 3, 2011	19.12	19.34	18.58	18.81
2062	NYSE	NGS	Fri, Dec 31, 2010	19.19	19.22	18.90	18.91
2061	NYSE	NGS	Thu, Dec 30, 2010	19.25	19.48	19.20	19.21
2060	NYSE	NGS	Wed, Dec 29, 2010	19.79	19.85	19.29	19.32
2059	NYSE	NGS	Tue, Dec 28, 2010	19.37	19.86	19.28	19.72
2058	NYSE	NGS	Mon, Dec 27, 2010	19.18	19.34	19.06	19.28
2057	NYSE	NGS	Thu, Dec 23, 2010	19.25	19.63	19.20	19.20
2056	NYSE	NGS	Wed, Dec 22, 2010	19.22	19.49	19.10	19.15
2055	NYSE	NGS	Tue, Dec 21, 2010	19.00	19.51	19.00	19.08
2054	NYSE	NGS	Mon, Dec 20, 2010	18.41	18.95	18.30	18.76
2053	NYSE	NGS	Fri, Dec 17, 2010	18.00	18.33	17.98	18.25
2052	NYSE	NGS	Thu, Dec 16, 2010	17.46	18.10	17.31	18.08
2051	NYSE	NGS	Wed, Dec 15, 2010	17.66	17.86	17.29	17.45
2050	NYSE	NGS	Tue, Dec 14, 2010	17.61	17.90	17.57	17.64
2049	NYSE	NGS	Mon, Dec 13, 2010	18.17	18.47	17.51	17.54
2048	NYSE	NGS	Fri, Dec 10, 2010	17.77	18.00	17.50	18.00
2047	NYSE	NGS	Thu, Dec 9, 2010	18.35	18.35	17.42	17.67
2046	NYSE	NGS	Wed, Dec 8, 2010	17.49	18.15	17.49	18.10
2045	NYSE	NGS	Tue, Dec 7, 2010	16.65	17.54	16.64	17.32
2044	NYSE	NGS	Mon, Dec 6, 2010	16.12	16.63	16.01	16.16
2043	NYSE	NGS	Fri, Dec 3, 2010	16.31	16.60	15.83	15.94
2042	NYSE	NGS	Thu, Dec 2, 2010	16.40	16.51	16.30	16.45
2041	NYSE	NGS	Wed, Dec 1, 2010	16.85	16.85	16.40	16.47
2040	NYSE	NGS	Tue, Nov 30, 2010	16.28	16.53	16.28	16.45
2039	NYSE	NGS	Mon, Nov 29, 2010	16.02	16.54	15.95	16.48
2038	NYSE	NGS	Fri, Nov 26, 2010	16.02	16.23	16.02	16.10
2037	NYSE	NGS	Wed, Nov 24, 2010	16.22	16.44	16.08	16.20
2036	NYSE	NGS	Tue, Nov 23, 2010	16.21	16.21	15.75	16.00
2035	NYSE	NGS	Mon, Nov 22, 2010	16.30	16.42	15.93	16.37
2034	NYSE	NGS	Fri, Nov 19, 2010	16.36	16.61	16.15	16.45
2033	NYSE	NGS	Thu, Nov 18, 2010	16.46	16.58	16.29	16.32
2032	NYSE	NGS	Wed, Nov 17, 2010	16.08	16.33	15.88	16.17
2031	NYSE	NGS	Tue, Nov 16, 2010	16.42	16.44	15.71	15.98
2030	NYSE	NGS	Mon, Nov 15, 2010	16.77	16.89	16.47	16.64
2029	NYSE	NGS	Fri, Nov 12, 2010	16.47	16.68	16.37	16.62
2028	NYSE	NGS	Thu, Nov 11, 2010	16.78	16.94	16.49	16.64
2027	NYSE	NGS	Wed, Nov 10, 2010	16.32	16.99	16.20	16.97
2026	NYSE	NGS	Tue, Nov 9, 2010	16.00	16.46	15.88	16.26
2025	NYSE	NGS	Mon, Nov 8, 2010	15.66	15.99	15.58	15.95
2024	NYSE	NGS	Fri, Nov 5, 2010	15.71	15.88	15.48	15.74
2023	NYSE	NGS	Thu, Nov 4, 2010	15.77	15.84	15.58	15.75
2022	NYSE	NGS	Wed, Nov 3, 2010	15.50	15.59	14.95	15.37
2021	NYSE	NGS	Tue, Nov 2, 2010	15.52	15.57	15.33	15.40
2020	NYSE	NGS	Mon, Nov 1, 2010	15.86	15.86	14.99	15.26
2019	NYSE	NGS	Fri, Oct 29, 2010	15.55	15.81	15.55	15.75
2018	NYSE	NGS	Thu, Oct 28, 2010	15.98	15.98	15.46	15.59
2017	NYSE	NGS	Wed, Oct 27, 2010	15.77	15.94	15.52	15.78
2016	NYSE	NGS	Tue, Oct 26, 2010	15.45	15.99	15.34	15.95
2015	NYSE	NGS	Mon, Oct 25, 2010	15.90	16.06	15.51	15.56
2014	NYSE	NGS	Fri, Oct 22, 2010	15.54	15.84	15.54	15.82
2013	NYSE	NGS	Thu, Oct 21, 2010	15.91	16.02	15.31	15.46
2012	NYSE	NGS	Wed, Oct 20, 2010	15.63	16.02	15.63	15.84
2011	NYSE	NGS	Tue, Oct 19, 2010	15.91	16.11	15.50	15.57
2010	NYSE	NGS	Mon, Oct 18, 2010	16.02	16.21	15.90	16.20
2009	NYSE	NGS	Fri, Oct 15, 2010	16.51	16.60	15.99	16.03
2008	NYSE	NGS	Thu, Oct 14, 2010	16.12	16.29	15.90	16.26
2007	NYSE	NGS	Wed, Oct 13, 2010	15.79	16.22	15.66	16.10
2006	NYSE	NGS	Tue, Oct 12, 2010	15.77	15.88	15.31	15.73
2005	NYSE	NGS	Mon, Oct 11, 2010	15.17	15.88	15.17	15.78
2004	NYSE	NGS	Fri, Oct 8, 2010	14.78	15.35	14.78	15.23
2003	NYSE	NGS	Thu, Oct 7, 2010	15.02	15.03	14.78	14.80
2002	NYSE	NGS	Wed, Oct 6, 2010	14.90	15.09	14.88	14.90
2001	NYSE	NGS	Tue, Oct 5, 2010	14.80	15.00	14.60	14.98
2000	NYSE	NGS	Mon, Oct 4, 2010	14.93	15.03	14.43	14.64
1999	NYSE	NGS	Fri, Oct 1, 2010	14.95	15.03	14.52	14.94
1998	NYSE	NGS	Thu, Sep 30, 2010	14.91	14.98	14.47	14.77
1997	NYSE	NGS	Wed, Sep 29, 2010	14.66	15.12	14.61	14.82
1996	NYSE	NGS	Tue, Sep 28, 2010	14.59	14.80	14.27	14.77
1995	NYSE	NGS	Mon, Sep 27, 2010	14.88	14.89	14.47	14.50
1994	NYSE	NGS	Fri, Sep 24, 2010	14.72	14.89	14.60	14.88
1993	NYSE	NGS	Thu, Sep 23, 2010	14.50	14.85	14.33	14.47
1992	NYSE	NGS	Wed, Sep 22, 2010	14.75	14.96	14.51	14.65
1991	NYSE	NGS	Tue, Sep 21, 2010	15.03	15.11	14.77	14.80
1990	NYSE	NGS	Mon, Sep 20, 2010	14.77	15.11	14.67	15.09
1989	NYSE	NGS	Fri, Sep 17, 2010	14.75	14.82	14.35	14.77
1988	NYSE	NGS	Thu, Sep 16, 2010	15.00	15.00	14.43	14.63
1987	NYSE	NGS	Wed, Sep 15, 2010	14.88	15.10	14.65	15.07
1986	NYSE	NGS	Tue, Sep 14, 2010	15.17	15.17	14.82	14.98
1985	NYSE	NGS	Mon, Sep 13, 2010	15.05	15.23	14.94	15.18
1984	NYSE	NGS	Fri, Sep 10, 2010	14.83	15.17	14.76	14.83
1983	NYSE	NGS	Thu, Sep 9, 2010	15.00	15.29	14.73	14.80
1982	NYSE	NGS	Wed, Sep 8, 2010	14.52	14.88	14.52	14.76
1981	NYSE	NGS	Tue, Sep 7, 2010	14.76	14.76	14.40	14.47
1980	NYSE	NGS	Fri, Sep 3, 2010	15.15	15.22	14.70	14.89
1979	NYSE	NGS	Thu, Sep 2, 2010	14.92	15.04	14.68	14.89
1978	NYSE	NGS	Wed, Sep 1, 2010	14.45	14.99	14.35	14.99
1977	NYSE	NGS	Tue, Aug 31, 2010	14.05	14.30	13.94	14.20
1976	NYSE	NGS	Mon, Aug 30, 2010	14.38	14.59	14.10	14.12
1975	NYSE	NGS	Fri, Aug 27, 2010	14.09	14.65	13.91	14.62
1974	NYSE	NGS	Thu, Aug 26, 2010	14.25	14.25	13.86	14.05
1973	NYSE	NGS	Wed, Aug 25, 2010	13.76	14.18	13.75	14.17
1972	NYSE	NGS	Tue, Aug 24, 2010	13.76	14.24	13.75	13.93
1971	NYSE	NGS	Mon, Aug 23, 2010	14.10	14.16	13.93	14.06
1970	NYSE	NGS	Fri, Aug 20, 2010	13.99	14.20	13.78	13.96
1969	NYSE	NGS	Thu, Aug 19, 2010	14.33	14.33	14.00	14.05
1968	NYSE	NGS	Wed, Aug 18, 2010	14.60	14.60	14.11	14.34
1967	NYSE	NGS	Tue, Aug 17, 2010	14.57	14.89	14.33	14.58
1966	NYSE	NGS	Mon, Aug 16, 2010	14.10	14.44	13.92	14.32
1965	NYSE	NGS	Fri, Aug 13, 2010	14.09	14.40	14.08	14.17
1964	NYSE	NGS	Thu, Aug 12, 2010	14.03	14.29	13.81	14.20
1963	NYSE	NGS	Wed, Aug 11, 2010	14.26	14.41	14.09	14.37
1962	NYSE	NGS	Tue, Aug 10, 2010	15.00	15.05	14.46	14.77
1961	NYSE	NGS	Mon, Aug 9, 2010	15.36	15.36	14.95	15.20
1960	NYSE	NGS	Fri, Aug 6, 2010	15.41	15.85	14.75	15.17
1959	NYSE	NGS	Thu, Aug 5, 2010	16.84	16.84	15.69	15.70
1958	NYSE	NGS	Wed, Aug 4, 2010	16.51	17.01	16.51	16.97
1957	NYSE	NGS	Tue, Aug 3, 2010	16.52	16.84	16.10	16.42
1956	NYSE	NGS	Mon, Aug 2, 2010	16.90	17.08	16.55	16.57
1955	NYSE	NGS	Fri, Jul 30, 2010	16.05	16.75	15.94	16.55
1954	NYSE	NGS	Thu, Jul 29, 2010	16.00	16.61	15.80	16.42
1953	NYSE	NGS	Wed, Jul 28, 2010	15.87	16.04	15.46	15.76
1952	NYSE	NGS	Tue, Jul 27, 2010	16.67	16.67	15.90	16.00
1951	NYSE	NGS	Mon, Jul 26, 2010	16.07	16.49	16.07	16.40
1950	NYSE	NGS	Fri, Jul 23, 2010	15.52	16.12	15.22	16.04
1949	NYSE	NGS	Thu, Jul 22, 2010	15.33	15.85	15.33	15.66
1948	NYSE	NGS	Wed, Jul 21, 2010	15.76	15.82	15.01	15.08
1947	NYSE	NGS	Tue, Jul 20, 2010	14.83	15.67	14.72	15.64
1946	NYSE	NGS	Mon, Jul 19, 2010	14.84	15.12	14.56	15.11
1945	NYSE	NGS	Fri, Jul 16, 2010	15.00	15.00	14.61	14.76
1944	NYSE	NGS	Thu, Jul 15, 2010	15.26	15.34	14.63	15.17
1943	NYSE	NGS	Wed, Jul 14, 2010	15.22	15.39	14.87	15.28
1942	NYSE	NGS	Tue, Jul 13, 2010	15.04	15.47	14.81	15.36
1941	NYSE	NGS	Mon, Jul 12, 2010	15.46	15.59	14.77	14.83
1940	NYSE	NGS	Fri, Jul 9, 2010	15.44	15.62	15.22	15.49
1939	NYSE	NGS	Thu, Jul 8, 2010	15.36	15.48	14.86	15.43
1938	NYSE	NGS	Wed, Jul 7, 2010	14.45	15.10	14.26	15.09
1937	NYSE	NGS	Tue, Jul 6, 2010	14.76	15.00	14.20	14.43
1936	NYSE	NGS	Fri, Jul 2, 2010	14.76	14.81	14.13	14.41
1935	NYSE	NGS	Thu, Jul 1, 2010	15.11	15.11	14.25	14.66
1934	NYSE	NGS	Wed, Jun 30, 2010	15.15	15.61	15.00	15.13
1933	NYSE	NGS	Tue, Jun 29, 2010	15.85	15.91	14.86	15.14
1932	NYSE	NGS	Mon, Jun 28, 2010	16.64	16.69	16.03	16.16
1931	NYSE	NGS	Fri, Jun 25, 2010	15.49	16.91	15.34	16.74
1930	NYSE	NGS	Thu, Jun 24, 2010	16.02	16.22	15.54	15.55
1929	NYSE	NGS	Wed, Jun 23, 2010	16.10	16.35	15.98	16.18
1928	NYSE	NGS	Tue, Jun 22, 2010	16.70	16.99	16.10	16.18
1927	NYSE	NGS	Mon, Jun 21, 2010	17.79	17.95	16.45	16.67
1926	NYSE	NGS	Fri, Jun 18, 2010	17.20	17.59	17.00	17.54
1925	NYSE	NGS	Thu, Jun 17, 2010	17.00	17.25	16.64	17.10
1924	NYSE	NGS	Wed, Jun 16, 2010	16.99	17.31	16.84	16.86
1923	NYSE	NGS	Tue, Jun 15, 2010	16.50	17.30	16.44	17.25
1922	NYSE	NGS	Mon, Jun 14, 2010	16.76	17.00	16.32	16.36
1921	NYSE	NGS	Fri, Jun 11, 2010	15.84	16.48	15.78	16.47
1920	NYSE	NGS	Thu, Jun 10, 2010	15.36	16.07	15.24	16.07
1919	NYSE	NGS	Wed, Jun 9, 2010	15.38	15.88	14.85	14.98
1918	NYSE	NGS	Tue, Jun 8, 2010	15.01	15.36	14.81	15.27
1917	NYSE	NGS	Mon, Jun 7, 2010	15.14	15.50	14.85	14.97
1916	NYSE	NGS	Fri, Jun 4, 2010	15.56	15.85	14.75	15.09
1915	NYSE	NGS	Thu, Jun 3, 2010	15.70	16.33	15.27	16.17
1914	NYSE	NGS	Wed, Jun 2, 2010	15.17	15.78	14.99	15.73
1913	NYSE	NGS	Tue, Jun 1, 2010	15.80	16.10	14.95	14.95
1912	NYSE	NGS	Fri, May 28, 2010	16.74	16.88	16.02	16.06
1911	NYSE	NGS	Thu, May 27, 2010	16.29	16.94	16.09	16.86
1910	NYSE	NGS	Wed, May 26, 2010	15.60	16.47	15.60	15.82
1909	NYSE	NGS	Tue, May 25, 2010	15.35	15.57	14.86	15.53
1908	NYSE	NGS	Mon, May 24, 2010	16.01	16.20	15.79	15.88
1907	NYSE	NGS	Fri, May 21, 2010	15.64	16.30	15.55	16.15
1906	NYSE	NGS	Thu, May 20, 2010	15.72	16.30	15.50	16.00
1905	NYSE	NGS	Wed, May 19, 2010	16.61	16.75	15.90	16.30
1904	NYSE	NGS	Tue, May 18, 2010	17.40	17.45	16.71	16.76
1903	NYSE	NGS	Mon, May 17, 2010	17.17	17.50	16.51	17.03
1902	NYSE	NGS	Fri, May 14, 2010	16.99	17.10	16.43	17.01
1901	NYSE	NGS	Thu, May 13, 2010	17.47	17.60	17.17	17.35
1900	NYSE	NGS	Wed, May 12, 2010	17.64	17.98	17.43	17.49
1899	NYSE	NGS	Tue, May 11, 2010	17.03	17.87	17.03	17.53
1898	NYSE	NGS	Mon, May 10, 2010	16.74	17.46	16.05	17.35
1897	NYSE	NGS	Fri, May 7, 2010	16.66	16.66	15.25	15.36
1896	NYSE	NGS	Thu, May 6, 2010	17.80	18.19	15.51	16.51
1895	NYSE	NGS	Wed, May 5, 2010	17.82	18.21	17.56	18.00
1894	NYSE	NGS	Tue, May 4, 2010	17.81	18.47	17.76	18.07
1893	NYSE	NGS	Mon, May 3, 2010	17.99	18.33	17.93	18.20
1892	NYSE	NGS	Fri, Apr 30, 2010	18.17	18.27	17.84	17.93
1891	NYSE	NGS	Thu, Apr 29, 2010	18.29	18.36	17.80	18.20
1890	NYSE	NGS	Wed, Apr 28, 2010	18.34	18.36	18.01	18.15
1889	NYSE	NGS	Tue, Apr 27, 2010	18.36	18.73	17.97	18.22
1888	NYSE	NGS	Mon, Apr 26, 2010	18.62	18.85	18.11	18.56
1887	NYSE	NGS	Fri, Apr 23, 2010	17.63	18.62	17.55	18.56
1886	NYSE	NGS	Thu, Apr 22, 2010	17.19	17.72	16.94	17.65
1885	NYSE	NGS	Wed, Apr 21, 2010	17.77	17.80	17.21	17.48
1884	NYSE	NGS	Tue, Apr 20, 2010	17.46	18.05	17.39	17.80
1883	NYSE	NGS	Mon, Apr 19, 2010	17.20	17.52	16.71	17.41
1882	NYSE	NGS	Fri, Apr 16, 2010	17.97	17.97	16.84	17.39
1881	NYSE	NGS	Thu, Apr 15, 2010	17.95	18.04	17.65	18.01
1880	NYSE	NGS	Wed, Apr 14, 2010	17.60	17.98	17.38	17.94
1879	NYSE	NGS	Tue, Apr 13, 2010	17.46	17.59	17.12	17.53
1878	NYSE	NGS	Mon, Apr 12, 2010	17.27	17.50	17.22	17.46
1877	NYSE	NGS	Fri, Apr 9, 2010	17.29	17.50	17.01	17.31
1876	NYSE	NGS	Thu, Apr 8, 2010	17.17	17.49	16.98	17.34
1875	NYSE	NGS	Wed, Apr 7, 2010	16.93	17.45	16.93	17.26
1874	NYSE	NGS	Tue, Apr 6, 2010	16.59	17.17	16.43	17.03
1873	NYSE	NGS	Mon, Apr 5, 2010	16.00	16.56	15.59	16.56
1872	NYSE	NGS	Thu, Apr 1, 2010	15.96	16.30	15.72	16.22
1871	NYSE	NGS	Wed, Mar 31, 2010	15.48	16.10	15.45	15.87
1870	NYSE	NGS	Tue, Mar 30, 2010	15.53	15.91	15.39	15.61
1869	NYSE	NGS	Mon, Mar 29, 2010	15.52	15.80	15.36	15.58
1868	NYSE	NGS	Fri, Mar 26, 2010	15.83	16.27	15.29	15.41
1867	NYSE	NGS	Thu, Mar 25, 2010	16.32	16.53	15.77	15.78
1866	NYSE	NGS	Wed, Mar 24, 2010	16.58	16.79	16.03	16.09
1865	NYSE	NGS	Tue, Mar 23, 2010	16.40	16.90	16.33	16.74
1864	NYSE	NGS	Mon, Mar 22, 2010	16.40	16.45	16.10	16.45
1863	NYSE	NGS	Fri, Mar 19, 2010	16.27	16.65	16.08	16.55
1862	NYSE	NGS	Thu, Mar 18, 2010	16.06	16.34	15.91	16.12
1861	NYSE	NGS	Wed, Mar 17, 2010	16.08	16.39	16.08	16.14
1860	NYSE	NGS	Tue, Mar 16, 2010	15.59	16.09	15.37	16.07
1859	NYSE	NGS	Mon, Mar 15, 2010	16.24	16.24	15.22	15.55
1858	NYSE	NGS	Fri, Mar 12, 2010	16.49	16.49	16.00	16.16
1857	NYSE	NGS	Thu, Mar 11, 2010	16.39	16.49	15.92	16.43
1856	NYSE	NGS	Wed, Mar 10, 2010	16.15	16.72	16.05	16.48
1855	NYSE	NGS	Tue, Mar 9, 2010	15.84	16.45	15.83	16.21
1854	NYSE	NGS	Mon, Mar 8, 2010	15.69	15.97	15.60	15.87
1853	NYSE	NGS	Fri, Mar 5, 2010	15.62	15.91	15.38	15.80
1852	NYSE	NGS	Thu, Mar 4, 2010	16.18	16.18	15.30	15.51
1851	NYSE	NGS	Wed, Mar 3, 2010	16.47	16.66	16.17	16.48
1850	NYSE	NGS	Tue, Mar 2, 2010	16.07	17.00	16.07	16.47
1849	NYSE	NGS	Mon, Mar 1, 2010	15.50	16.04	15.37	16.04
1848	NYSE	NGS	Fri, Feb 26, 2010	15.67	15.76	15.20	15.32
1847	NYSE	NGS	Thu, Feb 25, 2010	15.22	15.71	15.00	15.70
1846	NYSE	NGS	Wed, Feb 24, 2010	15.32	15.65	15.20	15.56
1845	NYSE	NGS	Tue, Feb 23, 2010	15.52	15.81	15.23	15.29
1844	NYSE	NGS	Mon, Feb 22, 2010	15.41	15.74	15.29	15.52
1843	NYSE	NGS	Fri, Feb 19, 2010	15.45	15.63	15.23	15.37
1842	NYSE	NGS	Thu, Feb 18, 2010	15.19	15.51	15.19	15.47
1841	NYSE	NGS	Wed, Feb 17, 2010	14.84	15.20	14.72	15.18
1840	NYSE	NGS	Tue, Feb 16, 2010	14.55	14.82	14.45	14.79
1839	NYSE	NGS	Fri, Feb 12, 2010	14.40	14.66	14.33	14.44
1838	NYSE	NGS	Thu, Feb 11, 2010	14.27	14.66	14.10	14.58
1837	NYSE	NGS	Wed, Feb 10, 2010	14.52	14.55	14.10	14.30
1836	NYSE	NGS	Tue, Feb 9, 2010	14.67	14.84	14.07	14.56
1835	NYSE	NGS	Mon, Feb 8, 2010	14.67	14.67	14.23	14.26
1834	NYSE	NGS	Fri, Feb 5, 2010	15.22	15.22	14.31	14.66
1833	NYSE	NGS	Thu, Feb 4, 2010	16.22	16.22	15.12	15.23
1832	NYSE	NGS	Wed, Feb 3, 2010	16.36	16.54	16.00	16.40
1831	NYSE	NGS	Tue, Feb 2, 2010	16.35	16.60	16.18	16.38
1830	NYSE	NGS	Mon, Feb 1, 2010	15.82	16.40	15.82	16.33
1829	NYSE	NGS	Fri, Jan 29, 2010	16.36	16.74	15.71	15.71
1828	NYSE	NGS	Thu, Jan 28, 2010	17.00	17.00	16.28	16.30
1827	NYSE	NGS	Wed, Jan 27, 2010	16.53	16.94	16.32	16.91
1826	NYSE	NGS	Tue, Jan 26, 2010	16.83	17.05	16.55	16.66
1825	NYSE	NGS	Mon, Jan 25, 2010	17.16	17.38	16.99	17.00
1824	NYSE	NGS	Fri, Jan 22, 2010	17.49	17.60	16.66	16.98
1823	NYSE	NGS	Thu, Jan 21, 2010	19.19	19.36	17.50	17.50
1822	NYSE	NGS	Wed, Jan 20, 2010	19.78	19.78	18.67	19.19
1821	NYSE	NGS	Tue, Jan 19, 2010	19.94	20.12	19.91	19.94
1820	NYSE	NGS	Fri, Jan 15, 2010	20.02	20.02	19.70	19.90
1819	NYSE	NGS	Thu, Jan 14, 2010	20.43	20.45	19.95	19.96
1818	NYSE	NGS	Wed, Jan 13, 2010	20.08	20.50	19.90	20.45
1817	NYSE	NGS	Tue, Jan 12, 2010	19.86	20.07	19.60	20.02
1816	NYSE	NGS	Mon, Jan 11, 2010	20.01	20.13	19.86	20.03
1815	NYSE	NGS	Fri, Jan 8, 2010	19.73	20.00	19.73	20.00
1814	NYSE	NGS	Thu, Jan 7, 2010	19.55	19.99	19.44	19.86
1813	NYSE	NGS	Wed, Jan 6, 2010	19.40	19.72	19.24	19.52
1812	NYSE	NGS	Tue, Jan 5, 2010	19.12	19.43	18.96	19.38
1811	NYSE	NGS	Mon, Jan 4, 2010	19.22	19.50	18.88	19.25
1810	NYSE	NGS	Thu, Dec 31, 2009	19.08	19.22	18.81	18.85
1809	NYSE	NGS	Wed, Dec 30, 2009	19.11	19.16	18.70	19.08
1808	NYSE	NGS	Tue, Dec 29, 2009	19.10	19.22	18.89	19.18
1807	NYSE	NGS	Mon, Dec 28, 2009	18.94	19.23	18.84	19.12
1806	NYSE	NGS	Thu, Dec 24, 2009	18.80	18.95	18.73	18.90
1805	NYSE	NGS	Wed, Dec 23, 2009	18.50	19.02	18.15	18.87
1804	NYSE	NGS	Tue, Dec 22, 2009	18.13	18.46	17.76	18.40
1803	NYSE	NGS	Mon, Dec 21, 2009	17.81	18.15	17.81	18.15
1802	NYSE	NGS	Fri, Dec 18, 2009	17.68	17.99	17.55	17.71
1801	NYSE	NGS	Thu, Dec 17, 2009	17.65	17.84	17.50	17.68
1800	NYSE	NGS	Wed, Dec 16, 2009	17.85	18.17	17.53	17.78
1799	NYSE	NGS	Tue, Dec 15, 2009	17.93	18.00	17.72	17.88
1798	NYSE	NGS	Mon, Dec 14, 2009	18.27	18.27	17.70	17.93
1797	NYSE	NGS	Fri, Dec 11, 2009	17.68	17.72	17.27	17.68
1796	NYSE	NGS	Thu, Dec 10, 2009	17.89	18.00	17.28	17.58
1795	NYSE	NGS	Wed, Dec 9, 2009	17.94	17.95	17.52	17.83
1794	NYSE	NGS	Tue, Dec 8, 2009	18.14	18.29	17.81	17.95
1793	NYSE	NGS	Mon, Dec 7, 2009	18.32	18.52	18.23	18.30
1792	NYSE	NGS	Fri, Dec 4, 2009	18.31	18.35	17.48	18.33
1791	NYSE	NGS	Thu, Dec 3, 2009	18.20	18.25	17.71	17.84
1790	NYSE	NGS	Wed, Dec 2, 2009	17.80	18.25	17.51	18.08
1789	NYSE	NGS	Tue, Dec 1, 2009	17.66	17.87	17.48	17.81
1788	NYSE	NGS	Mon, Nov 30, 2009	17.12	17.52	16.98	17.49
1787	NYSE	NGS	Fri, Nov 27, 2009	16.86	17.44	16.83	17.15
1786	NYSE	NGS	Wed, Nov 25, 2009	18.00	18.00	17.56	17.75
1785	NYSE	NGS	Tue, Nov 24, 2009	17.58	17.97	17.48	17.93
1784	NYSE	NGS	Mon, Nov 23, 2009	17.07	17.81	17.02	17.69
1783	NYSE	NGS	Fri, Nov 20, 2009	16.40	16.81	16.39	16.70
1782	NYSE	NGS	Thu, Nov 19, 2009	16.57	16.62	16.24	16.40
1781	NYSE	NGS	Wed, Nov 18, 2009	16.88	16.96	16.60	16.70
1780	NYSE	NGS	Tue, Nov 17, 2009	17.04	17.11	16.88	16.91
1779	NYSE	NGS	Mon, Nov 16, 2009	17.29	17.29	16.96	17.11
1778	NYSE	NGS	Fri, Nov 13, 2009	17.15	17.21	16.75	17.11
1777	NYSE	NGS	Thu, Nov 12, 2009	18.06	18.26	17.16	17.18
1776	NYSE	NGS	Wed, Nov 11, 2009	18.11	18.60	17.92	18.09
1775	NYSE	NGS	Tue, Nov 10, 2009	18.01	18.36	17.54	17.79
1774	NYSE	NGS	Mon, Nov 9, 2009	17.86	18.91	17.86	18.21
1773	NYSE	NGS	Fri, Nov 6, 2009	17.25	18.29	17.25	17.69
1772	NYSE	NGS	Thu, Nov 5, 2009	16.50	17.50	16.40	17.42
1771	NYSE	NGS	Wed, Nov 4, 2009	16.67	17.02	16.29	16.32
1770	NYSE	NGS	Tue, Nov 3, 2009	16.16	16.77	15.84	16.58
1769	NYSE	NGS	Mon, Nov 2, 2009	16.99	17.04	15.73	16.36
1768	NYSE	NGS	Fri, Oct 30, 2009	17.97	17.97	16.73	16.87
1767	NYSE	NGS	Thu, Oct 29, 2009	17.78	18.15	17.55	17.97
1766	NYSE	NGS	Wed, Oct 28, 2009	18.49	18.68	17.47	17.54
1765	NYSE	NGS	Tue, Oct 27, 2009	18.20	18.69	18.20	18.48
1764	NYSE	NGS	Mon, Oct 26, 2009	18.47	19.19	18.06	18.18
1763	NYSE	NGS	Fri, Oct 23, 2009	19.17	19.25	18.75	18.77
1762	NYSE	NGS	Thu, Oct 22, 2009	18.76	19.25	18.67	19.12
1761	NYSE	NGS	Wed, Oct 21, 2009	18.79	19.31	18.75	18.76
1760	NYSE	NGS	Tue, Oct 20, 2009	18.88	19.01	18.70	18.97
1759	NYSE	NGS	Mon, Oct 19, 2009	18.94	19.00	18.63	18.75
1758	NYSE	NGS	Fri, Oct 16, 2009	18.81	18.97	18.72	18.74
1757	NYSE	NGS	Thu, Oct 15, 2009	18.79	19.15	18.79	18.94
1756	NYSE	NGS	Wed, Oct 14, 2009	18.96	19.20	18.78	18.91
1755	NYSE	NGS	Tue, Oct 13, 2009	19.15	19.21	18.22	18.55
1754	NYSE	NGS	Mon, Oct 12, 2009	19.00	19.50	18.98	19.16
1753	NYSE	NGS	Fri, Oct 9, 2009	18.36	18.93	18.25	18.81
1752	NYSE	NGS	Thu, Oct 8, 2009	17.46	18.83	17.46	18.28
1751	NYSE	NGS	Wed, Oct 7, 2009	18.27	18.60	18.00	18.32
1750	NYSE	NGS	Tue, Oct 6, 2009	17.76	18.45	17.67	18.30
1749	NYSE	NGS	Mon, Oct 5, 2009	17.48	17.68	17.19	17.54
1748	NYSE	NGS	Fri, Oct 2, 2009	16.95	17.47	16.63	17.31
1747	NYSE	NGS	Thu, Oct 1, 2009	17.51	17.54	17.11	17.15
1746	NYSE	NGS	Wed, Sep 30, 2009	17.66	17.93	17.50	17.62
1745	NYSE	NGS	Tue, Sep 29, 2009	18.09	18.12	17.17	17.84
1744	NYSE	NGS	Mon, Sep 28, 2009	17.67	18.01	17.30	18.01
1743	NYSE	NGS	Fri, Sep 25, 2009	17.49	17.66	17.28	17.59
1742	NYSE	NGS	Thu, Sep 24, 2009	17.49	17.70	16.89	17.53
1741	NYSE	NGS	Wed, Sep 23, 2009	17.56	17.95	17.05	17.41
1740	NYSE	NGS	Tue, Sep 22, 2009	17.43	17.75	17.15	17.61
1739	NYSE	NGS	Mon, Sep 21, 2009	16.46	17.59	16.06	17.26
1738	NYSE	NGS	Fri, Sep 18, 2009	16.94	16.94	16.53	16.66
1737	NYSE	NGS	Thu, Sep 17, 2009	17.43	17.83	16.55	16.83
1736	NYSE	NGS	Wed, Sep 16, 2009	16.51	17.40	16.03	17.34
1735	NYSE	NGS	Tue, Sep 15, 2009	16.12	16.70	16.02	16.43
1734	NYSE	NGS	Mon, Sep 14, 2009	15.53	16.10	15.36	16.02
1733	NYSE	NGS	Fri, Sep 11, 2009	15.45	15.96	15.29	15.62
1732	NYSE	NGS	Thu, Sep 10, 2009	15.36	15.36	14.73	15.29
1731	NYSE	NGS	Wed, Sep 9, 2009	14.71	15.65	14.68	15.26
1730	NYSE	NGS	Tue, Sep 8, 2009	14.74	14.95	14.49	14.68
1729	NYSE	NGS	Fri, Sep 4, 2009	14.42	14.56	14.01	14.48
1728	NYSE	NGS	Thu, Sep 3, 2009	14.02	14.46	13.60	14.42
1727	NYSE	NGS	Wed, Sep 2, 2009	13.70	14.18	13.63	13.78
1726	NYSE	NGS	Tue, Sep 1, 2009	14.11	14.65	13.62	13.73
1725	NYSE	NGS	Mon, Aug 31, 2009	14.09	14.32	13.83	14.29
1724	NYSE	NGS	Fri, Aug 28, 2009	14.46	14.46	14.03	14.33
1723	NYSE	NGS	Thu, Aug 27, 2009	14.61	14.61	13.50	14.31
1722	NYSE	NGS	Wed, Aug 26, 2009	14.61	14.68	14.28	14.58
1721	NYSE	NGS	Tue, Aug 25, 2009	14.94	14.95	14.25	14.69
1720	NYSE	NGS	Mon, Aug 24, 2009	14.91	15.10	14.73	14.87
1719	NYSE	NGS	Fri, Aug 21, 2009	14.15	14.98	14.12	14.84
1718	NYSE	NGS	Thu, Aug 20, 2009	13.64	14.15	13.50	14.05
1717	NYSE	NGS	Wed, Aug 19, 2009	13.12	13.90	13.12	13.65
1716	NYSE	NGS	Tue, Aug 18, 2009	13.17	13.55	13.15	13.34
1715	NYSE	NGS	Mon, Aug 17, 2009	13.26	13.30	12.81	13.10
1714	NYSE	NGS	Fri, Aug 14, 2009	13.85	13.88	13.33	13.49
1713	NYSE	NGS	Thu, Aug 13, 2009	13.68	14.02	13.29	13.84
1712	NYSE	NGS	Wed, Aug 12, 2009	13.30	13.93	13.20	13.53
1711	NYSE	NGS	Tue, Aug 11, 2009	13.75	13.88	13.20	13.30
1710	NYSE	NGS	Mon, Aug 10, 2009	13.53	13.81	13.51	13.80
1709	NYSE	NGS	Fri, Aug 7, 2009	13.85	14.15	13.50	13.74
1708	NYSE	NGS	Thu, Aug 6, 2009	13.98	13.98	13.18	13.20
1707	NYSE	NGS	Wed, Aug 5, 2009	14.01	14.01	13.71	13.85
1706	NYSE	NGS	Tue, Aug 4, 2009	14.05	14.18	14.00	14.06
1705	NYSE	NGS	Mon, Aug 3, 2009	14.01	14.19	13.86	14.16
1704	NYSE	NGS	Fri, Jul 31, 2009	13.62	14.05	13.60	13.79
1703	NYSE	NGS	Thu, Jul 30, 2009	13.67	14.00	13.55	13.68
1702	NYSE	NGS	Wed, Jul 29, 2009	13.26	13.44	13.05	13.37
1701	NYSE	NGS	Tue, Jul 28, 2009	12.96	13.63	12.96	13.44
1700	NYSE	NGS	Mon, Jul 27, 2009	13.25	13.50	12.70	13.14
1699	NYSE	NGS	Fri, Jul 24, 2009	13.16	13.32	12.73	13.32
1698	NYSE	NGS	Thu, Jul 23, 2009	13.15	13.61	13.01	13.28
1697	NYSE	NGS	Wed, Jul 22, 2009	13.20	13.39	12.76	13.20
1696	NYSE	NGS	Tue, Jul 21, 2009	12.88	13.29	12.85	13.26
1695	NYSE	NGS	Mon, Jul 20, 2009	12.61	12.94	12.38	12.82
1694	NYSE	NGS	Fri, Jul 17, 2009	12.26	12.71	12.11	12.53
1693	NYSE	NGS	Thu, Jul 16, 2009	12.35	12.54	11.93	12.25
1692	NYSE	NGS	Wed, Jul 15, 2009	12.03	12.42	11.98	12.28
1691	NYSE	NGS	Tue, Jul 14, 2009	11.39	12.08	11.39	11.90
1690	NYSE	NGS	Mon, Jul 13, 2009	11.15	11.40	10.65	11.36
1689	NYSE	NGS	Fri, Jul 10, 2009	10.85	11.10	10.75	10.98
1688	NYSE	NGS	Thu, Jul 9, 2009	11.18	11.25	10.85	10.97
1687	NYSE	NGS	Wed, Jul 8, 2009	11.25	11.46	10.99	11.02
1686	NYSE	NGS	Tue, Jul 7, 2009	11.68	11.68	11.15	11.28
1685	NYSE	NGS	Mon, Jul 6, 2009	11.66	11.79	11.20	11.64
1684	NYSE	NGS	Thu, Jul 2, 2009	12.81	12.99	11.54	11.80
1683	NYSE	NGS	Wed, Jul 1, 2009	13.49	13.66	12.84	13.00
1682	NYSE	NGS	Tue, Jun 30, 2009	13.29	13.50	13.02	13.30
1681	NYSE	NGS	Mon, Jun 29, 2009	13.60	13.74	13.22	13.32
1680	NYSE	NGS	Fri, Jun 26, 2009	12.99	13.57	12.76	13.54
1679	NYSE	NGS	Thu, Jun 25, 2009	12.54	13.20	12.54	13.05
1678	NYSE	NGS	Wed, Jun 24, 2009	12.67	13.19	12.54	12.62
1677	NYSE	NGS	Tue, Jun 23, 2009	12.72	12.98	12.16	12.37
1676	NYSE	NGS	Mon, Jun 22, 2009	13.99	13.99	12.26	12.48
1675	NYSE	NGS	Fri, Jun 19, 2009	14.24	14.68	13.71	13.79
1674	NYSE	NGS	Thu, Jun 18, 2009	14.32	14.58	13.89	14.01
1673	NYSE	NGS	Wed, Jun 17, 2009	14.08	14.69	13.25	14.32
1672	NYSE	NGS	Tue, Jun 16, 2009	15.49	15.49	14.19	14.38
1671	NYSE	NGS	Mon, Jun 15, 2009	15.59	15.59	15.00	15.23
1670	NYSE	NGS	Fri, Jun 12, 2009	15.53	15.96	15.03	15.91
1669	NYSE	NGS	Thu, Jun 11, 2009	15.53	15.92	15.49	15.67
1668	NYSE	NGS	Wed, Jun 10, 2009	15.43	15.52	14.64	15.47
1667	NYSE	NGS	Tue, Jun 9, 2009	14.02	14.98	14.02	14.57
1666	NYSE	NGS	Mon, Jun 8, 2009	14.26	14.76	13.76	13.82
1665	NYSE	NGS	Fri, Jun 5, 2009	14.29	15.25	14.29	14.61
1664	NYSE	NGS	Thu, Jun 4, 2009	14.28	14.99	14.12	14.85
1663	NYSE	NGS	Wed, Jun 3, 2009	15.25	15.25	13.59	14.15
1662	NYSE	NGS	Tue, Jun 2, 2009	15.00	15.49	14.93	15.41
1661	NYSE	NGS	Mon, Jun 1, 2009	15.35	15.75	15.00	15.26
1660	NYSE	NGS	Fri, May 29, 2009	14.27	14.86	13.90	14.86
1659	NYSE	NGS	Thu, May 28, 2009	13.90	14.25	13.45	14.15
1658	NYSE	NGS	Wed, May 27, 2009	13.85	14.00	13.70	13.80
1657	NYSE	NGS	Tue, May 26, 2009	12.44	13.90	12.24	13.89
1656	NYSE	NGS	Fri, May 22, 2009	12.76	13.38	12.56	12.67
1655	NYSE	NGS	Thu, May 21, 2009	12.86	13.10	12.17	12.50
1654	NYSE	NGS	Wed, May 20, 2009	13.34	14.19	13.18	13.23
1653	NYSE	NGS	Tue, May 19, 2009	12.77	13.82	12.76	13.25
1652	NYSE	NGS	Mon, May 18, 2009	12.02	13.04	11.98	12.95
1651	NYSE	NGS	Fri, May 15, 2009	11.62	12.24	11.59	11.82
1650	NYSE	NGS	Thu, May 14, 2009	11.50	12.30	11.30	11.67
1649	NYSE	NGS	Wed, May 13, 2009	12.69	12.94	11.15	11.51
1648	NYSE	NGS	Tue, May 12, 2009	12.76	13.24	12.30	12.89
1647	NYSE	NGS	Mon, May 11, 2009	12.53	12.89	12.46	12.73
1646	NYSE	NGS	Fri, May 8, 2009	11.58	13.00	11.49	12.91
1645	NYSE	NGS	Thu, May 7, 2009	12.34	12.34	10.51	10.85
1644	NYSE	NGS	Wed, May 6, 2009	11.17	11.90	10.78	11.60
1643	NYSE	NGS	Tue, May 5, 2009	11.07	11.13	10.43	10.98
1642	NYSE	NGS	Mon, May 4, 2009	10.43	11.12	10.37	11.00
1641	NYSE	NGS	Fri, May 1, 2009	9.98	10.45	9.95	10.39
1640	NYSE	NGS	Thu, Apr 30, 2009	10.10	10.53	9.80	9.98
1639	NYSE	NGS	Wed, Apr 29, 2009	9.42	10.60	9.42	10.27
1638	NYSE	NGS	Tue, Apr 28, 2009	9.61	10.12	9.52	9.78
1637	NYSE	NGS	Mon, Apr 27, 2009	9.73	9.96	9.55	9.69
1636	NYSE	NGS	Fri, Apr 24, 2009	9.23	10.29	9.23	10.12
1635	NYSE	NGS	Thu, Apr 23, 2009	10.21	10.45	9.62	9.88
1634	NYSE	NGS	Wed, Apr 22, 2009	9.83	10.45	9.55	10.14
1633	NYSE	NGS	Tue, Apr 21, 2009	9.20	10.30	9.20	9.97
1632	NYSE	NGS	Mon, Apr 20, 2009	9.18	9.27	8.85	9.10
1631	NYSE	NGS	Fri, Apr 17, 2009	9.53	9.65	9.25	9.52
1630	NYSE	NGS	Thu, Apr 16, 2009	9.61	9.61	9.32	9.48
1629	NYSE	NGS	Wed, Apr 15, 2009	9.15	9.40	9.15	9.34
1628	NYSE	NGS	Tue, Apr 14, 2009	9.26	9.49	9.05	9.33
1627	NYSE	NGS	Mon, Apr 13, 2009	9.40	9.60	9.20	9.41
1626	NYSE	NGS	Thu, Apr 9, 2009	9.58	9.85	9.31	9.59
1625	NYSE	NGS	Wed, Apr 8, 2009	9.57	9.70	8.92	9.15
1624	NYSE	NGS	Tue, Apr 7, 2009	9.60	9.97	9.33	9.43
1623	NYSE	NGS	Mon, Apr 6, 2009	10.29	10.29	9.54	9.85
1622	NYSE	NGS	Fri, Apr 3, 2009	10.06	10.55	9.66	10.50
1621	NYSE	NGS	Thu, Apr 2, 2009	9.41	10.07	9.12	10.04
1620	NYSE	NGS	Wed, Apr 1, 2009	8.74	9.25	8.51	9.02
1619	NYSE	NGS	Tue, Mar 31, 2009	8.88	9.12	8.68	9.00
1618	NYSE	NGS	Mon, Mar 30, 2009	8.65	8.67	8.20	8.56
1617	NYSE	NGS	Fri, Mar 27, 2009	9.03	9.24	8.85	8.98
1616	NYSE	NGS	Thu, Mar 26, 2009	9.08	9.36	8.88	9.27
1615	NYSE	NGS	Wed, Mar 25, 2009	8.94	9.25	8.53	9.03
1614	NYSE	NGS	Tue, Mar 24, 2009	9.29	9.46	8.75	8.82
1613	NYSE	NGS	Mon, Mar 23, 2009	8.29	9.44	8.18	9.44
1612	NYSE	NGS	Fri, Mar 20, 2009	8.60	8.89	8.03	8.04
1611	NYSE	NGS	Thu, Mar 19, 2009	8.52	9.15	8.43	8.50
1610	NYSE	NGS	Wed, Mar 18, 2009	8.17	8.48	7.53	8.34
1609	NYSE	NGS	Tue, Mar 17, 2009	7.44	8.24	7.25	8.21
1608	NYSE	NGS	Mon, Mar 16, 2009	7.84	7.96	7.42	7.42
1607	NYSE	NGS	Fri, Mar 13, 2009	8.25	8.30	7.75	7.88
1606	NYSE	NGS	Thu, Mar 12, 2009	7.33	8.50	7.27	8.33
1605	NYSE	NGS	Wed, Mar 11, 2009	8.63	8.67	7.23	7.35
1604	NYSE	NGS	Tue, Mar 10, 2009	7.40	8.01	7.29	7.98
1603	NYSE	NGS	Mon, Mar 9, 2009	7.19	7.59	6.93	7.01
1602	NYSE	NGS	Fri, Mar 6, 2009	7.20	7.60	6.98	7.31
1601	NYSE	NGS	Thu, Mar 5, 2009	7.53	7.87	6.96	7.08
1600	NYSE	NGS	Wed, Mar 4, 2009	6.86	8.19	6.86	7.77
1599	NYSE	NGS	Tue, Mar 3, 2009	6.79	7.05	6.67	6.72
1598	NYSE	NGS	Mon, Mar 2, 2009	7.27	7.37	6.75	6.88
1597	NYSE	NGS	Fri, Feb 27, 2009	7.57	7.92	7.44	7.50
1596	NYSE	NGS	Thu, Feb 26, 2009	7.61	8.25	7.61	7.72
1595	NYSE	NGS	Wed, Feb 25, 2009	7.99	7.99	7.35	7.49
1594	NYSE	NGS	Tue, Feb 24, 2009	7.00	8.00	7.00	7.98
1593	NYSE	NGS	Mon, Feb 23, 2009	7.96	7.98	7.00	7.10
1592	NYSE	NGS	Fri, Feb 20, 2009	7.83	8.18	7.15	7.85
1591	NYSE	NGS	Thu, Feb 19, 2009	8.06	8.64	7.92	7.97
1590	NYSE	NGS	Wed, Feb 18, 2009	8.27	8.40	7.75	8.06
1589	NYSE	NGS	Tue, Feb 17, 2009	8.69	8.86	8.05	8.08
1588	NYSE	NGS	Fri, Feb 13, 2009	9.42	9.42	8.73	8.83
1587	NYSE	NGS	Thu, Feb 12, 2009	8.58	9.45	8.55	9.38
1586	NYSE	NGS	Wed, Feb 11, 2009	8.62	9.53	8.39	8.90
1585	NYSE	NGS	Tue, Feb 10, 2009	9.29	9.74	8.51	8.51
1584	NYSE	NGS	Mon, Feb 9, 2009	9.00	9.50	9.00	9.33
1583	NYSE	NGS	Fri, Feb 6, 2009	8.87	9.55	8.79	9.54
1582	NYSE	NGS	Thu, Feb 5, 2009	8.86	9.37	8.55	9.17
1581	NYSE	NGS	Wed, Feb 4, 2009	9.19	9.64	8.80	8.92
1580	NYSE	NGS	Tue, Feb 3, 2009	9.30	9.31	8.78	9.20
1579	NYSE	NGS	Mon, Feb 2, 2009	8.52	9.23	8.15	9.23
1578	NYSE	NGS	Fri, Jan 30, 2009	9.18	9.28	8.55	8.55
1577	NYSE	NGS	Thu, Jan 29, 2009	10.44	10.44	8.90	9.04
1576	NYSE	NGS	Wed, Jan 28, 2009	9.42	10.67	9.22	10.67
1575	NYSE	NGS	Tue, Jan 27, 2009	8.56	9.46	8.56	9.43
1574	NYSE	NGS	Mon, Jan 26, 2009	8.25	8.60	7.61	8.55
1573	NYSE	NGS	Fri, Jan 23, 2009	8.26	8.26	7.87	8.13
1572	NYSE	NGS	Thu, Jan 22, 2009	9.17	9.17	8.20	8.28
1571	NYSE	NGS	Wed, Jan 21, 2009	8.29	9.46	8.26	9.46
1570	NYSE	NGS	Tue, Jan 20, 2009	9.20	9.29	8.17	8.17
1569	NYSE	NGS	Fri, Jan 16, 2009	10.24	10.30	9.31	9.33
1568	NYSE	NGS	Thu, Jan 15, 2009	10.30	10.74	9.74	10.08
1567	NYSE	NGS	Wed, Jan 14, 2009	11.06	11.17	10.27	10.65
1566	NYSE	NGS	Tue, Jan 13, 2009	11.20	11.42	10.73	11.29
1565	NYSE	NGS	Mon, Jan 12, 2009	11.10	11.69	11.10	11.21
1564	NYSE	NGS	Fri, Jan 9, 2009	13.09	13.09	11.45	11.45
1563	NYSE	NGS	Thu, Jan 8, 2009	11.57	12.62	11.55	12.60
1562	NYSE	NGS	Wed, Jan 7, 2009	12.46	12.46	11.03	11.98
1561	NYSE	NGS	Tue, Jan 6, 2009	12.29	12.90	11.97	12.42
1560	NYSE	NGS	Mon, Jan 5, 2009	10.52	11.90	10.50	11.80
1559	NYSE	NGS	Fri, Jan 2, 2009	10.24	10.76	10.12	10.51
1558	NYSE	NGS	Wed, Dec 31, 2008	9.99	10.27	9.95	10.13
1557	NYSE	NGS	Tue, Dec 30, 2008	9.62	10.27	9.53	10.27
1556	NYSE	NGS	Mon, Dec 29, 2008	9.01	9.95	9.01	9.80
1555	NYSE	NGS	Fri, Dec 26, 2008	8.93	9.33	8.80	9.01
1554	NYSE	NGS	Wed, Dec 24, 2008	8.61	9.00	8.23	8.91
1553	NYSE	NGS	Tue, Dec 23, 2008	9.21	9.21	8.20	8.66
1552	NYSE	NGS	Mon, Dec 22, 2008	10.24	10.60	9.00	9.05
1551	NYSE	NGS	Fri, Dec 19, 2008	10.40	10.78	9.77	10.25
1550	NYSE	NGS	Thu, Dec 18, 2008	10.88	10.88	9.63	10.25
1549	NYSE	NGS	Wed, Dec 17, 2008	11.10	11.27	10.36	10.57
1548	NYSE	NGS	Tue, Dec 16, 2008	10.47	11.49	10.36	11.15
1547	NYSE	NGS	Mon, Dec 15, 2008	10.32	10.85	10.01	10.32
1546	NYSE	NGS	Fri, Dec 12, 2008	9.46	10.44	8.64	10.30
1545	NYSE	NGS	Thu, Dec 11, 2008	10.22	10.85	9.50	9.60
1544	NYSE	NGS	Wed, Dec 10, 2008	9.24	10.27	9.10	10.00
1543	NYSE	NGS	Tue, Dec 9, 2008	9.35	9.99	8.91	9.15
1542	NYSE	NGS	Mon, Dec 8, 2008	8.70	10.10	8.45	9.65
1541	NYSE	NGS	Fri, Dec 5, 2008	7.75	8.30	7.15	8.25
1540	NYSE	NGS	Thu, Dec 4, 2008	8.15	8.20	7.53	7.76
1539	NYSE	NGS	Wed, Dec 3, 2008	8.10	8.44	7.50	8.18
1538	NYSE	NGS	Tue, Dec 2, 2008	8.48	8.91	7.80	8.24
1537	NYSE	NGS	Mon, Dec 1, 2008	10.18	10.18	8.26	8.29
1536	NYSE	NGS	Fri, Nov 28, 2008	10.03	10.40	9.06	10.30
1535	NYSE	NGS	Wed, Nov 26, 2008	8.39	10.35	8.25	10.35
1534	NYSE	NGS	Tue, Nov 25, 2008	8.71	9.23	7.90	8.43
1533	NYSE	NGS	Mon, Nov 24, 2008	7.56	8.70	7.07	8.70
1532	NYSE	NGS	Fri, Nov 21, 2008	6.83	7.77	6.54	7.18
1531	NYSE	NGS	Thu, Nov 20, 2008	8.53	8.53	6.51	6.60
1530	NYSE	NGS	Wed, Nov 19, 2008	9.40	9.42	8.56	8.56
1529	NYSE	NGS	Tue, Nov 18, 2008	9.80	10.06	8.90	9.40
1528	NYSE	NGS	Mon, Nov 17, 2008	10.09	10.51	9.60	9.72
1527	NYSE	NGS	Fri, Nov 14, 2008	11.67	11.67	10.06	10.09
1526	NYSE	NGS	Thu, Nov 13, 2008	11.03	11.94	9.77	11.94
1525	NYSE	NGS	Wed, Nov 12, 2008	13.10	13.10	10.60	10.97
1524	NYSE	NGS	Tue, Nov 11, 2008	13.44	14.27	13.31	13.53
1523	NYSE	NGS	Mon, Nov 10, 2008	14.37	14.87	13.52	13.61
1522	NYSE	NGS	Fri, Nov 7, 2008	13.85	14.34	13.01	14.24
1521	NYSE	NGS	Thu, Nov 6, 2008	14.39	14.90	12.62	13.70
1520	NYSE	NGS	Wed, Nov 5, 2008	12.41	15.99	12.41	14.89
1519	NYSE	NGS	Tue, Nov 4, 2008	12.99	13.95	12.80	13.64
1518	NYSE	NGS	Mon, Nov 3, 2008	13.12	13.17	12.30	12.59
1517	NYSE	NGS	Fri, Oct 31, 2008	12.55	13.25	12.15	13.25
1516	NYSE	NGS	Thu, Oct 30, 2008	12.42	13.17	12.04	12.75
1515	NYSE	NGS	Wed, Oct 29, 2008	11.82	12.95	11.68	12.11
1514	NYSE	NGS	Tue, Oct 28, 2008	10.24	11.61	10.05	11.61
1513	NYSE	NGS	Mon, Oct 27, 2008	10.06	10.80	9.94	9.99
1512	NYSE	NGS	Fri, Oct 24, 2008	11.12	11.12	10.03	10.60
1511	NYSE	NGS	Thu, Oct 23, 2008	11.05	11.42	10.05	11.29
1510	NYSE	NGS	Wed, Oct 22, 2008	12.02	12.02	10.97	11.08
1509	NYSE	NGS	Tue, Oct 21, 2008	12.74	13.06	12.03	12.08
1508	NYSE	NGS	Mon, Oct 20, 2008	11.18	12.77	10.90	12.77
1507	NYSE	NGS	Fri, Oct 17, 2008	10.16	11.40	9.10	10.84
1506	NYSE	NGS	Thu, Oct 16, 2008	9.86	10.66	9.03	10.32
1505	NYSE	NGS	Wed, Oct 15, 2008	10.74	11.40	9.69	9.69
1504	NYSE	NGS	Tue, Oct 14, 2008	12.90	13.74	11.07	11.25
1503	NYSE	NGS	Mon, Oct 13, 2008	13.39	13.50	12.29	13.50
1502	NYSE	NGS	Fri, Oct 10, 2008	11.54	12.08	9.39	12.08
1501	NYSE	NGS	Thu, Oct 9, 2008	13.52	14.19	11.84	11.84
1500	NYSE	NGS	Wed, Oct 8, 2008	13.74	14.19	12.23	13.64
1499	NYSE	NGS	Tue, Oct 7, 2008	15.14	15.30	14.01	14.06
1498	NYSE	NGS	Mon, Oct 6, 2008	14.75	15.24	13.62	15.03
1497	NYSE	NGS	Fri, Oct 3, 2008	15.88	17.49	14.88	15.58
1496	NYSE	NGS	Thu, Oct 2, 2008	16.61	16.69	15.50	15.90
1495	NYSE	NGS	Wed, Oct 1, 2008	17.21	17.43	16.71	16.81
1494	NYSE	NGS	Tue, Sep 30, 2008	15.49	17.47	15.49	17.47
1493	NYSE	NGS	Mon, Sep 29, 2008	16.91	17.25	15.03	15.95
1492	NYSE	NGS	Fri, Sep 26, 2008	17.46	17.66	16.53	17.58
1491	NYSE	NGS	Thu, Sep 25, 2008	17.31	18.14	17.30	17.87
1490	NYSE	NGS	Wed, Sep 24, 2008	18.30	19.00	17.35	17.35
1489	NYSE	NGS	Tue, Sep 23, 2008	18.87	19.12	17.94	17.96
1488	NYSE	NGS	Mon, Sep 22, 2008	18.75	19.30	18.26	18.91
1487	NYSE	NGS	Fri, Sep 19, 2008	17.46	18.68	16.25	18.68
1486	NYSE	NGS	Thu, Sep 18, 2008	16.19	16.50	15.10	16.43
1485	NYSE	NGS	Wed, Sep 17, 2008	16.32	16.36	14.82	15.77
1484	NYSE	NGS	Tue, Sep 16, 2008	15.25	16.34	14.85	16.33
1483	NYSE	NGS	Mon, Sep 15, 2008	17.00	17.00	15.86	15.90
1482	NYSE	NGS	Fri, Sep 12, 2008	17.76	18.00	17.40	17.78
1481	NYSE	NGS	Thu, Sep 11, 2008	17.65	17.89	16.96	17.41
1480	NYSE	NGS	Wed, Sep 10, 2008	17.91	17.91	16.52	17.51
1479	NYSE	NGS	Tue, Sep 9, 2008	19.01	19.01	17.33	17.50
1478	NYSE	NGS	Mon, Sep 8, 2008	20.47	20.47	18.50	19.20
1477	NYSE	NGS	Fri, Sep 5, 2008	20.93	21.20	18.92	19.51
1476	NYSE	NGS	Thu, Sep 4, 2008	21.51	22.30	20.61	21.20
1475	NYSE	NGS	Wed, Sep 3, 2008	23.37	23.61	21.89	22.15
1474	NYSE	NGS	Tue, Sep 2, 2008	25.43	25.70	23.00	23.15
1473	NYSE	NGS	Fri, Aug 29, 2008	26.69	26.78	25.58	25.94
1472	NYSE	NGS	Thu, Aug 28, 2008	26.46	26.83	25.60	26.41
1471	NYSE	NGS	Wed, Aug 27, 2008	26.09	26.72	25.70	26.35
1470	NYSE	NGS	Tue, Aug 26, 2008	25.25	26.92	25.00	25.83
1469	NYSE	NGS	Mon, Aug 25, 2008	25.23	26.20	24.79	24.96
1468	NYSE	NGS	Fri, Aug 22, 2008	26.93	26.93	25.55	25.75
1467	NYSE	NGS	Thu, Aug 21, 2008	26.49	27.14	26.10	26.53
1466	NYSE	NGS	Wed, Aug 20, 2008	25.89	26.28	25.30	26.19
1465	NYSE	NGS	Tue, Aug 19, 2008	24.93	25.62	24.50	25.45
1464	NYSE	NGS	Mon, Aug 18, 2008	25.32	25.80	24.65	24.74
1463	NYSE	NGS	Fri, Aug 15, 2008	24.40	25.89	24.40	25.54
1462	NYSE	NGS	Thu, Aug 14, 2008	24.08	24.73	23.60	24.73
1461	NYSE	NGS	Wed, Aug 13, 2008	24.06	24.32	23.50	23.90
1460	NYSE	NGS	Tue, Aug 12, 2008	23.27	24.67	23.27	24.07
1459	NYSE	NGS	Mon, Aug 11, 2008	23.19	24.03	22.95	23.60
1458	NYSE	NGS	Fri, Aug 8, 2008	22.53	23.90	21.80	23.57
1457	NYSE	NGS	Thu, Aug 7, 2008	24.40	24.40	22.81	22.93
1456	NYSE	NGS	Wed, Aug 6, 2008	22.81	24.10	22.40	24.10
1455	NYSE	NGS	Tue, Aug 5, 2008	23.03	24.40	22.52	23.22
1454	NYSE	NGS	Mon, Aug 4, 2008	24.82	25.25	23.03	23.07
1453	NYSE	NGS	Fri, Aug 1, 2008	24.97	26.20	24.87	25.18
1452	NYSE	NGS	Thu, Jul 31, 2008	26.42	26.42	24.97	25.67
1451	NYSE	NGS	Wed, Jul 30, 2008	24.75	26.41	22.01	26.16
1450	NYSE	NGS	Tue, Jul 29, 2008	23.57	24.45	23.23	24.15
1449	NYSE	NGS	Mon, Jul 28, 2008	22.76	24.42	22.39	23.98
1448	NYSE	NGS	Fri, Jul 25, 2008	24.83	25.78	24.20	24.65
1447	NYSE	NGS	Thu, Jul 24, 2008	25.40	25.93	24.65	25.04
1446	NYSE	NGS	Wed, Jul 23, 2008	26.85	26.85	25.32	25.77
1445	NYSE	NGS	Tue, Jul 22, 2008	27.51	27.70	26.51	27.12
1444	NYSE	NGS	Mon, Jul 21, 2008	26.01	27.99	26.01	27.80
1443	NYSE	NGS	Fri, Jul 18, 2008	27.32	28.37	26.33	27.00
1442	NYSE	NGS	Thu, Jul 17, 2008	28.15	29.09	25.79	26.97
1441	NYSE	NGS	Wed, Jul 16, 2008	28.72	28.96	27.51	28.46
1440	NYSE	NGS	Tue, Jul 15, 2008	29.95	30.45	29.21	29.54
1439	NYSE	NGS	Mon, Jul 14, 2008	29.47	30.88	28.99	29.79
1438	NYSE	NGS	Fri, Jul 11, 2008	27.85	29.00	26.81	28.91
1437	NYSE	NGS	Thu, Jul 10, 2008	26.86	28.10	26.46	27.67
1436	NYSE	NGS	Wed, Jul 9, 2008	26.90	28.43	26.57	26.63
1435	NYSE	NGS	Tue, Jul 8, 2008	27.13	27.51	25.10	26.92
1434	NYSE	NGS	Mon, Jul 7, 2008	27.77	28.94	26.38	27.26
1433	NYSE	NGS	Thu, Jul 3, 2008	28.61	28.88	26.70	28.30
1432	NYSE	NGS	Wed, Jul 2, 2008	29.51	30.46	28.80	29.10
1431	NYSE	NGS	Tue, Jul 1, 2008	30.64	31.35	29.49	29.70
1430	NYSE	NGS	Mon, Jun 30, 2008	29.30	31.20	29.10	30.51
1429	NYSE	NGS	Fri, Jun 27, 2008	29.51	30.20	28.60	29.88
1428	NYSE	NGS	Thu, Jun 26, 2008	29.49	30.27	29.04	29.76
1427	NYSE	NGS	Wed, Jun 25, 2008	30.61	30.65	28.43	29.26
1426	NYSE	NGS	Tue, Jun 24, 2008	31.52	31.73	29.59	30.00
1425	NYSE	NGS	Mon, Jun 23, 2008	29.57	31.70	29.20	31.70
1424	NYSE	NGS	Fri, Jun 20, 2008	29.81	30.85	29.20	30.04
1423	NYSE	NGS	Thu, Jun 19, 2008	32.00	32.40	29.83	30.15
1422	NYSE	NGS	Wed, Jun 18, 2008	32.34	32.96	31.71	32.56
1421	NYSE	NGS	Tue, Jun 17, 2008	31.25	32.50	31.10	32.01
1420	NYSE	NGS	Mon, Jun 16, 2008	29.95	31.15	29.80	30.89
1419	NYSE	NGS	Fri, Jun 13, 2008	29.95	30.65	29.70	30.12
1418	NYSE	NGS	Thu, Jun 12, 2008	31.00	31.42	29.63	29.95
1417	NYSE	NGS	Wed, Jun 11, 2008	30.26	31.58	30.26	31.13
1416	NYSE	NGS	Tue, Jun 10, 2008	30.96	30.96	30.00	30.45
1415	NYSE	NGS	Mon, Jun 9, 2008	29.18	31.79	28.80	30.96
1414	NYSE	NGS	Fri, Jun 6, 2008	28.74	29.25	28.10	29.18
1413	NYSE	NGS	Thu, Jun 5, 2008	27.01	28.31	27.00	27.96
1412	NYSE	NGS	Wed, Jun 4, 2008	27.90	28.24	27.10	27.10
1411	NYSE	NGS	Tue, Jun 3, 2008	27.86	29.00	27.40	27.55
1410	NYSE	NGS	Mon, Jun 2, 2008	27.25	28.10	27.00	27.50
1409	NYSE	NGS	Fri, May 30, 2008	27.17	27.87	27.17	27.35
1408	NYSE	NGS	Thu, May 29, 2008	27.49	27.82	26.87	27.42
1407	NYSE	NGS	Wed, May 28, 2008	26.87	27.42	26.25	27.42
1406	NYSE	NGS	Tue, May 27, 2008	27.47	27.65	26.40	27.55
1405	NYSE	NGS	Fri, May 23, 2008	29.18	29.18	27.04	27.85
1404	NYSE	NGS	Thu, May 22, 2008	28.89	29.57	28.03	28.95
1403	NYSE	NGS	Wed, May 21, 2008	29.71	31.76	28.79	28.80
1402	NYSE	NGS	Tue, May 20, 2008	26.49	29.68	26.20	29.61
1401	NYSE	NGS	Mon, May 19, 2008	25.50	26.75	25.50	26.40
1400	NYSE	NGS	Fri, May 16, 2008	25.56	25.97	25.22	25.50
1399	NYSE	NGS	Thu, May 15, 2008	26.67	26.75	24.94	25.68
1398	NYSE	NGS	Wed, May 14, 2008	26.35	27.17	26.20	26.39
1397	NYSE	NGS	Tue, May 13, 2008	26.76	26.99	25.75	26.53
1396	NYSE	NGS	Mon, May 12, 2008	26.82	27.00	26.01	26.44
1395	NYSE	NGS	Fri, May 9, 2008	26.39	26.86	25.80	26.86
1394	NYSE	NGS	Thu, May 8, 2008	26.51	26.88	25.60	26.40
1393	NYSE	NGS	Wed, May 7, 2008	26.82	27.11	25.65	26.10
1392	NYSE	NGS	Tue, May 6, 2008	26.69	27.75	26.00	26.50
1391	NYSE	NGS	Mon, May 5, 2008	25.21	26.45	25.03	26.14
1390	NYSE	NGS	Fri, May 2, 2008	23.89	25.64	23.50	25.64
1389	NYSE	NGS	Thu, May 1, 2008	24.95	25.64	23.69	24.10
1388	NYSE	NGS	Wed, Apr 30, 2008	25.49	25.87	24.00	24.90
1387	NYSE	NGS	Tue, Apr 29, 2008	27.09	27.51	25.00	25.37
1386	NYSE	NGS	Mon, Apr 28, 2008	27.95	28.41	26.85	27.46
1385	NYSE	NGS	Fri, Apr 25, 2008	27.23	27.97	26.06	27.73
1384	NYSE	NGS	Thu, Apr 24, 2008	27.72	27.72	25.59	27.24
1383	NYSE	NGS	Wed, Apr 23, 2008	29.30	29.70	26.88	27.59
1382	NYSE	NGS	Tue, Apr 22, 2008	29.34	29.70	28.40	28.59
1381	NYSE	NGS	Mon, Apr 21, 2008	29.39	29.50	28.50	29.20
1380	NYSE	NGS	Fri, Apr 18, 2008	27.57	29.72	26.76	28.81
1379	NYSE	NGS	Thu, Apr 17, 2008	28.21	28.21	27.00	27.10
1378	NYSE	NGS	Wed, Apr 16, 2008	27.11	28.28	26.00	27.85
1377	NYSE	NGS	Tue, Apr 15, 2008	28.51	29.02	26.68	27.35
1376	NYSE	NGS	Mon, Apr 14, 2008	25.16	28.74	25.01	28.74
1375	NYSE	NGS	Fri, Apr 11, 2008	25.17	25.35	25.02	25.30
1374	NYSE	NGS	Thu, Apr 10, 2008	25.26	25.75	25.03	25.46
1373	NYSE	NGS	Wed, Apr 9, 2008	25.71	25.83	25.06	25.41
1372	NYSE	NGS	Tue, Apr 8, 2008	25.01	25.97	25.00	25.31
1371	NYSE	NGS	Mon, Apr 7, 2008	26.30	26.76	24.65	25.33
1370	NYSE	NGS	Fri, Apr 4, 2008	23.81	26.10	23.26	25.20
1369	NYSE	NGS	Thu, Apr 3, 2008	23.35	23.97	22.21	23.87
1368	NYSE	NGS	Wed, Apr 2, 2008	22.30	23.18	22.00	23.18
1367	NYSE	NGS	Tue, Apr 1, 2008	22.00	22.28	21.60	22.28
1366	NYSE	NGS	Mon, Mar 31, 2008	21.11	22.10	21.03	21.83
1365	NYSE	NGS	Fri, Mar 28, 2008	21.20	21.27	20.54	21.11
1364	NYSE	NGS	Thu, Mar 27, 2008	20.99	21.10	20.48	20.95
1363	NYSE	NGS	Wed, Mar 26, 2008	20.75	20.97	20.11	20.68
1362	NYSE	NGS	Tue, Mar 25, 2008	20.13	21.00	19.75	20.75
1361	NYSE	NGS	Mon, Mar 24, 2008	19.19	21.41	18.39	20.31
1360	NYSE	NGS	Thu, Mar 20, 2008	19.01	19.43	18.59	19.19
1359	NYSE	NGS	Wed, Mar 19, 2008	21.04	21.04	19.02	19.42
1358	NYSE	NGS	Tue, Mar 18, 2008	20.53	21.11	20.00	20.48
1357	NYSE	NGS	Mon, Mar 17, 2008	20.61	21.20	20.51	20.60
1356	NYSE	NGS	Fri, Mar 14, 2008	21.10	21.70	20.53	21.17
1355	NYSE	NGS	Thu, Mar 13, 2008	21.00	21.50	20.20	21.15
1354	NYSE	NGS	Wed, Mar 12, 2008	20.73	21.60	20.51	21.23
1353	NYSE	NGS	Tue, Mar 11, 2008	19.91	21.50	19.91	20.90
1352	NYSE	NGS	Mon, Mar 10, 2008	20.60	20.60	18.85	19.70
1351	NYSE	NGS	Fri, Mar 7, 2008	21.65	21.75	19.90	20.37
1350	NYSE	NGS	Thu, Mar 6, 2008	22.34	22.34	21.39	21.70
1349	NYSE	NGS	Wed, Mar 5, 2008	22.69	22.74	22.10	22.30
1348	NYSE	NGS	Tue, Mar 4, 2008	23.88	23.88	22.00	22.56
1347	NYSE	NGS	Mon, Mar 3, 2008	22.53	24.45	22.48	23.21
1346	NYSE	NGS	Fri, Feb 29, 2008	23.57	23.57	22.01	22.40
1345	NYSE	NGS	Thu, Feb 28, 2008	21.79	24.00	21.55	23.35
1344	NYSE	NGS	Wed, Feb 27, 2008	23.32	23.90	21.63	21.79
1343	NYSE	NGS	Tue, Feb 26, 2008	22.68	23.87	21.13	23.22
1342	NYSE	NGS	Mon, Feb 25, 2008	21.72	22.89	21.35	22.35
1341	NYSE	NGS	Fri, Feb 22, 2008	20.31	21.26	20.18	21.03
1340	NYSE	NGS	Thu, Feb 21, 2008	19.77	20.11	19.51	20.04
1339	NYSE	NGS	Wed, Feb 20, 2008	19.38	19.99	18.98	19.48
1338	NYSE	NGS	Tue, Feb 19, 2008	18.84	19.88	18.50	19.88
1337	NYSE	NGS	Fri, Feb 15, 2008	19.25	19.50	18.42	18.42
1336	NYSE	NGS	Thu, Feb 14, 2008	19.05	19.25	18.73	19.23
1335	NYSE	NGS	Wed, Feb 13, 2008	18.84	19.13	18.41	19.08
1334	NYSE	NGS	Tue, Feb 12, 2008	18.50	18.68	18.45	18.57
1333	NYSE	NGS	Mon, Feb 11, 2008	17.68	18.65	17.60	18.54
1332	NYSE	NGS	Fri, Feb 8, 2008	18.00	18.00	17.58	17.80
1331	NYSE	NGS	Thu, Feb 7, 2008	17.25	18.00	17.10	18.00
1330	NYSE	NGS	Wed, Feb 6, 2008	17.46	18.05	17.30	17.59
1329	NYSE	NGS	Tue, Feb 5, 2008	18.39	18.39	17.54	17.54
1328	NYSE	NGS	Mon, Feb 4, 2008	17.90	18.50	17.76	18.50
1327	NYSE	NGS	Fri, Feb 1, 2008	17.40	17.77	17.40	17.74
1326	NYSE	NGS	Thu, Jan 31, 2008	17.45	17.54	17.00	17.52
1325	NYSE	NGS	Wed, Jan 30, 2008	17.75	18.00	17.38	17.46
1324	NYSE	NGS	Tue, Jan 29, 2008	16.82	17.90	16.82	17.59
1323	NYSE	NGS	Mon, Jan 28, 2008	16.51	17.89	16.51	17.89
1322	NYSE	NGS	Fri, Jan 25, 2008	17.99	18.10	16.62	16.63
1321	NYSE	NGS	Thu, Jan 24, 2008	17.20	18.08	17.20	17.88
1320	NYSE	NGS	Wed, Jan 23, 2008	17.24	17.50	16.80	17.31
1319	NYSE	NGS	Tue, Jan 22, 2008	17.54	17.95	16.81	17.55
1318	NYSE	NGS	Fri, Jan 18, 2008	18.73	19.27	18.35	18.66
1317	NYSE	NGS	Thu, Jan 17, 2008	19.17	19.36	18.31	18.75
1316	NYSE	NGS	Wed, Jan 16, 2008	19.77	20.04	18.65	19.30
1315	NYSE	NGS	Tue, Jan 15, 2008	20.70	20.80	19.82	20.06
1314	NYSE	NGS	Mon, Jan 14, 2008	21.24	21.52	20.71	20.96
1313	NYSE	NGS	Fri, Jan 11, 2008	21.08	21.25	20.85	21.12
1312	NYSE	NGS	Thu, Jan 10, 2008	20.76	21.09	20.32	21.00
1311	NYSE	NGS	Wed, Jan 9, 2008	20.98	20.98	20.13	20.70
1310	NYSE	NGS	Tue, Jan 8, 2008	20.30	21.01	20.23	21.01
1309	NYSE	NGS	Mon, Jan 7, 2008	20.95	21.15	19.75	20.43
1308	NYSE	NGS	Fri, Jan 4, 2008	21.32	21.32	20.52	20.97
1307	NYSE	NGS	Thu, Jan 3, 2008	19.65	20.85	19.61	20.85
1306	NYSE	NGS	Wed, Jan 2, 2008	19.41	19.71	19.35	19.71
1305	NYSE	NGS	Mon, Dec 31, 2007	18.51	19.61	18.51	19.61
1304	NYSE	NGS	Fri, Dec 28, 2007	18.83	19.03	18.51	18.77
1303	NYSE	NGS	Thu, Dec 27, 2007	19.11	19.45	18.92	18.92
1302	NYSE	NGS	Wed, Dec 26, 2007	19.40	19.44	19.10	19.38
1301	NYSE	NGS	Mon, Dec 24, 2007	19.16	19.37	18.77	19.25
1300	NYSE	NGS	Fri, Dec 21, 2007	19.31	19.33	18.92	19.12
1299	NYSE	NGS	Thu, Dec 20, 2007	19.05	19.33	18.23	19.33
1298	NYSE	NGS	Wed, Dec 19, 2007	18.75	18.89	18.67	18.71
1297	NYSE	NGS	Tue, Dec 18, 2007	19.16	19.16	18.50	18.70
1296	NYSE	NGS	Mon, Dec 17, 2007	18.82	19.04	18.51	18.85
1295	NYSE	NGS	Fri, Dec 14, 2007	19.06	19.24	18.66	18.70
1294	NYSE	NGS	Thu, Dec 13, 2007	18.75	19.24	18.51	19.24
1293	NYSE	NGS	Wed, Dec 12, 2007	19.17	19.17	18.70	18.80
1292	NYSE	NGS	Tue, Dec 11, 2007	19.09	19.47	18.70	18.90
1291	NYSE	NGS	Mon, Dec 10, 2007	19.45	19.55	19.07	19.28
1290	NYSE	NGS	Fri, Dec 7, 2007	19.50	19.51	18.77	19.45
1289	NYSE	NGS	Thu, Dec 6, 2007	18.51	19.34	18.05	19.30
1288	NYSE	NGS	Wed, Dec 5, 2007	17.97	18.55	17.97	18.35
1287	NYSE	NGS	Tue, Dec 4, 2007	18.09	18.12	17.90	17.90
1286	NYSE	NGS	Mon, Dec 3, 2007	18.03	18.25	17.98	18.00
1285	NYSE	NGS	Fri, Nov 30, 2007	17.85	18.13	17.80	18.04
1284	NYSE	NGS	Thu, Nov 29, 2007	18.05	18.15	17.90	18.03
1283	NYSE	NGS	Wed, Nov 28, 2007	18.29	18.30	17.98	18.17
1282	NYSE	NGS	Tue, Nov 27, 2007	18.48	18.51	17.88	18.00
1281	NYSE	NGS	Mon, Nov 26, 2007	18.59	18.85	18.32	18.68
1280	NYSE	NGS	Fri, Nov 23, 2007	18.02	18.44	17.80	18.34
1279	NYSE	NGS	Wed, Nov 21, 2007	18.40	18.60	18.00	18.09
1278	NYSE	NGS	Tue, Nov 20, 2007	18.80	19.07	18.39	18.41
1277	NYSE	NGS	Mon, Nov 19, 2007	19.20	19.25	18.37	18.75
1276	NYSE	NGS	Fri, Nov 16, 2007	18.95	19.25	18.50	19.25
1275	NYSE	NGS	Thu, Nov 15, 2007	18.91	18.91	18.41	18.55
1274	NYSE	NGS	Wed, Nov 14, 2007	18.25	19.05	18.18	18.75
1273	NYSE	NGS	Tue, Nov 13, 2007	18.32	18.75	17.91	18.15
1272	NYSE	NGS	Mon, Nov 12, 2007	18.00	18.43	17.90	17.96
1271	NYSE	NGS	Fri, Nov 9, 2007	18.24	18.50	17.70	18.00
1270	NYSE	NGS	Thu, Nov 8, 2007	18.69	18.85	17.91	18.27
1269	NYSE	NGS	Wed, Nov 7, 2007	19.29	19.57	18.65	18.85
1268	NYSE	NGS	Tue, Nov 6, 2007	17.15	19.36	17.15	19.30
1267	NYSE	NGS	Mon, Nov 5, 2007	19.23	19.23	18.51	18.85
1266	NYSE	NGS	Fri, Nov 2, 2007	18.55	19.01	18.44	19.01
1265	NYSE	NGS	Thu, Nov 1, 2007	18.55	18.95	18.30	18.65
1264	NYSE	NGS	Wed, Oct 31, 2007	18.30	18.75	18.06	18.53
1263	NYSE	NGS	Tue, Oct 30, 2007	18.61	18.88	18.00	18.07
1262	NYSE	NGS	Mon, Oct 29, 2007	18.60	18.72	18.35	18.64
1261	NYSE	NGS	Fri, Oct 26, 2007	18.24	18.43	18.01	18.39
1260	NYSE	NGS	Thu, Oct 25, 2007	18.20	18.20	17.87	18.05
1259	NYSE	NGS	Wed, Oct 24, 2007	18.00	18.15	17.87	18.10
1258	NYSE	NGS	Tue, Oct 23, 2007	18.99	19.09	17.75	18.00
1257	NYSE	NGS	Mon, Oct 22, 2007	17.51	18.20	17.49	18.20
1256	NYSE	NGS	Fri, Oct 19, 2007	18.32	18.41	17.73	18.04
1255	NYSE	NGS	Thu, Oct 18, 2007	17.99	18.40	17.70	18.40
1254	NYSE	NGS	Wed, Oct 17, 2007	18.43	18.43	17.57	18.05
1253	NYSE	NGS	Tue, Oct 16, 2007	17.85	17.85	17.00	17.54
1252	NYSE	NGS	Mon, Oct 15, 2007	18.80	19.00	17.40	17.85
1251	NYSE	NGS	Fri, Oct 12, 2007	17.75	17.92	17.50	17.77
1250	NYSE	NGS	Thu, Oct 11, 2007	17.38	17.84	17.37	17.70
1249	NYSE	NGS	Wed, Oct 10, 2007	16.56	17.38	16.55	17.34
1248	NYSE	NGS	Tue, Oct 9, 2007	16.94	17.16	16.45	16.69
1247	NYSE	NGS	Mon, Oct 8, 2007	17.30	17.35	17.00	17.00
1246	NYSE	NGS	Fri, Oct 5, 2007	17.89	17.97	16.89	17.30
1245	NYSE	NGS	Thu, Oct 4, 2007	18.20	18.20	17.51	17.78
1244	NYSE	NGS	Wed, Oct 3, 2007	18.42	18.42	17.95	18.09
1243	NYSE	NGS	Tue, Oct 2, 2007	18.40	18.49	17.89	18.30
1242	NYSE	NGS	Mon, Oct 1, 2007	17.54	18.91	17.54	18.15
1241	NYSE	NGS	Fri, Sep 28, 2007	17.12	17.49	17.12	17.17
1240	NYSE	NGS	Thu, Sep 27, 2007	16.48	17.23	16.35	17.01
1239	NYSE	NGS	Wed, Sep 26, 2007	16.60	16.60	16.28	16.35
1238	NYSE	NGS	Tue, Sep 25, 2007	15.95	16.75	15.95	16.60
1237	NYSE	NGS	Mon, Sep 24, 2007	16.00	16.40	15.90	15.93
1236	NYSE	NGS	Fri, Sep 21, 2007	16.59	16.77	16.40	16.77
1235	NYSE	NGS	Thu, Sep 20, 2007	16.65	16.65	16.37	16.60
1234	NYSE	NGS	Wed, Sep 19, 2007	16.52	16.72	16.41	16.66
1233	NYSE	NGS	Tue, Sep 18, 2007	16.61	16.67	16.30	16.63
1232	NYSE	NGS	Mon, Sep 17, 2007	16.70	16.71	16.50	16.63
1231	NYSE	NGS	Fri, Sep 14, 2007	16.30	16.50	16.00	16.43
1230	NYSE	NGS	Thu, Sep 13, 2007	16.47	16.68	16.30	16.34
1229	NYSE	NGS	Wed, Sep 12, 2007	16.69	16.75	16.50	16.54
1228	NYSE	NGS	Tue, Sep 11, 2007	16.25	16.87	16.05	16.70
1227	NYSE	NGS	Mon, Sep 10, 2007	16.30	16.55	16.00	16.30
1226	NYSE	NGS	Fri, Sep 7, 2007	16.72	16.85	16.31	16.35
1225	NYSE	NGS	Thu, Sep 6, 2007	16.94	17.06	16.79	16.95
1224	NYSE	NGS	Wed, Sep 5, 2007	17.17	17.17	16.61	16.94
1223	NYSE	NGS	Tue, Sep 4, 2007	16.96	17.15	16.72	17.15
1222	NYSE	NGS	Fri, Aug 31, 2007	16.76	16.95	16.53	16.91
1221	NYSE	NGS	Thu, Aug 30, 2007	16.80	17.03	16.46	16.65
1220	NYSE	NGS	Wed, Aug 29, 2007	16.93	16.93	16.10	16.70
1219	NYSE	NGS	Tue, Aug 28, 2007	16.52	16.62	16.04	16.04
1218	NYSE	NGS	Mon, Aug 27, 2007	16.77	16.78	16.22	16.53
1217	NYSE	NGS	Fri, Aug 24, 2007	16.40	16.78	16.36	16.68
1216	NYSE	NGS	Thu, Aug 23, 2007	16.65	16.99	16.23	16.32
1215	NYSE	NGS	Wed, Aug 22, 2007	16.20	16.50	16.16	16.50
1214	NYSE	NGS	Tue, Aug 21, 2007	15.85	16.32	15.35	16.15
1213	NYSE	NGS	Mon, Aug 20, 2007	15.30	16.27	15.30	15.69
1212	NYSE	NGS	Fri, Aug 17, 2007	14.73	16.50	14.73	15.85
1211	NYSE	NGS	Thu, Aug 16, 2007	15.25	15.48	15.10	15.30
1210	NYSE	NGS	Wed, Aug 15, 2007	15.28	16.19	15.20	15.28
1209	NYSE	NGS	Tue, Aug 14, 2007	15.60	15.75	15.32	15.45
1208	NYSE	NGS	Mon, Aug 13, 2007	15.60	15.68	15.21	15.60
1207	NYSE	NGS	Fri, Aug 10, 2007	14.50	15.71	14.47	15.53
1206	NYSE	NGS	Thu, Aug 9, 2007	15.45	15.49	14.54	14.78
1205	NYSE	NGS	Wed, Aug 8, 2007	15.50	15.69	15.11	15.45
1204	NYSE	NGS	Tue, Aug 7, 2007	14.30	15.19	14.30	15.11
1203	NYSE	NGS	Mon, Aug 6, 2007	13.99	14.37	13.55	14.16
1202	NYSE	NGS	Fri, Aug 3, 2007	14.35	14.36	13.82	13.98
1201	NYSE	NGS	Thu, Aug 2, 2007	14.50	14.69	14.15	14.31
1200	NYSE	NGS	Wed, Aug 1, 2007	14.65	14.86	14.25	14.40
1199	NYSE	NGS	Tue, Jul 31, 2007	14.99	15.33	14.50	14.81
1198	NYSE	NGS	Mon, Jul 30, 2007	15.25	15.25	14.17	15.16
1197	NYSE	NGS	Fri, Jul 27, 2007	14.95	15.70	14.85	15.12
1196	NYSE	NGS	Thu, Jul 26, 2007	14.72	14.89	14.35	14.48
1195	NYSE	NGS	Wed, Jul 25, 2007	14.60	15.15	14.60	14.70
1194	NYSE	NGS	Tue, Jul 24, 2007	15.66	15.66	14.64	14.78
1193	NYSE	NGS	Mon, Jul 23, 2007	16.18	16.18	15.75	15.78
1192	NYSE	NGS	Fri, Jul 20, 2007	15.80	16.20	15.75	15.90
1191	NYSE	NGS	Thu, Jul 19, 2007	16.23	16.23	15.53	15.87
1190	NYSE	NGS	Wed, Jul 18, 2007	16.25	16.45	15.78	15.95
1189	NYSE	NGS	Tue, Jul 17, 2007	16.01	17.12	15.52	16.50
1188	NYSE	NGS	Mon, Jul 16, 2007	17.37	17.49	15.70	15.85
1187	NYSE	NGS	Fri, Jul 13, 2007	17.44	17.90	17.09	17.44
1186	NYSE	NGS	Thu, Jul 12, 2007	18.60	18.80	17.44	17.44
1185	NYSE	NGS	Wed, Jul 11, 2007	18.70	18.81	18.40	18.40
1184	NYSE	NGS	Tue, Jul 10, 2007	18.47	18.80	18.30	18.78
1183	NYSE	NGS	Mon, Jul 9, 2007	18.52	18.74	18.23	18.50
1182	NYSE	NGS	Fri, Jul 6, 2007	17.96	18.52	17.92	18.33
1181	NYSE	NGS	Thu, Jul 5, 2007	18.55	18.65	17.94	17.96
1180	NYSE	NGS	Tue, Jul 3, 2007	18.55	18.61	18.41	18.42
1179	NYSE	NGS	Mon, Jul 2, 2007	17.89	18.60	17.77	18.38
1178	NYSE	NGS	Fri, Jun 29, 2007	18.08	18.59	17.84	17.88
1177	NYSE	NGS	Thu, Jun 28, 2007	17.83	18.15	17.54	18.06
1176	NYSE	NGS	Wed, Jun 27, 2007	17.36	17.94	17.36	17.81
1175	NYSE	NGS	Tue, Jun 26, 2007	17.80	17.80	17.26	17.59
1174	NYSE	NGS	Mon, Jun 25, 2007	17.90	17.99	17.29	17.72
1173	NYSE	NGS	Fri, Jun 22, 2007	18.56	18.80	18.20	18.61
1172	NYSE	NGS	Thu, Jun 21, 2007	18.56	18.90	18.22	18.40
1171	NYSE	NGS	Wed, Jun 20, 2007	19.04	19.24	18.20	18.26
1170	NYSE	NGS	Tue, Jun 19, 2007	18.54	19.16	18.54	19.06
1169	NYSE	NGS	Mon, Jun 18, 2007	18.69	19.10	18.39	18.84
1168	NYSE	NGS	Fri, Jun 15, 2007	19.00	19.24	18.60	18.90
1167	NYSE	NGS	Thu, Jun 14, 2007	19.00	19.43	18.84	18.98
1166	NYSE	NGS	Wed, Jun 13, 2007	19.01	19.50	18.85	18.99
1165	NYSE	NGS	Tue, Jun 12, 2007	19.45	19.58	18.85	19.13
1164	NYSE	NGS	Mon, Jun 11, 2007	19.70	19.80	19.00	19.50
1163	NYSE	NGS	Fri, Jun 8, 2007	19.50	19.50	17.51	18.83
1162	NYSE	NGS	Thu, Jun 7, 2007	19.48	19.90	19.29	19.65
1161	NYSE	NGS	Wed, Jun 6, 2007	18.63	19.24	18.50	19.23
1160	NYSE	NGS	Tue, Jun 5, 2007	17.74	18.23	17.56	18.22
1159	NYSE	NGS	Mon, Jun 4, 2007	17.32	18.00	17.30	17.74
1158	NYSE	NGS	Fri, Jun 1, 2007	16.76	17.25	16.70	17.02
1157	NYSE	NGS	Thu, May 31, 2007	16.99	17.17	16.72	16.89
1156	NYSE	NGS	Wed, May 30, 2007	16.95	17.33	16.59	16.98
1155	NYSE	NGS	Tue, May 29, 2007	16.98	17.10	16.50	16.91
1154	NYSE	NGS	Fri, May 25, 2007	16.28	16.70	16.00	16.64
1153	NYSE	NGS	Thu, May 24, 2007	16.55	17.15	16.19	16.28
1152	NYSE	NGS	Wed, May 23, 2007	17.19	17.20	16.90	16.90
1151	NYSE	NGS	Tue, May 22, 2007	16.99	17.13	16.35	17.01
1150	NYSE	NGS	Mon, May 21, 2007	16.56	17.04	16.56	16.86
1149	NYSE	NGS	Fri, May 18, 2007	15.99	16.61	15.96	16.56
1148	NYSE	NGS	Thu, May 17, 2007	15.01	15.85	15.00	15.84
1147	NYSE	NGS	Wed, May 16, 2007	15.19	15.23	14.97	15.07
1146	NYSE	NGS	Tue, May 15, 2007	14.91	15.25	14.91	15.11
1145	NYSE	NGS	Mon, May 14, 2007	15.24	15.25	14.70	15.00
1144	NYSE	NGS	Fri, May 11, 2007	15.17	15.22	14.96	15.15
1143	NYSE	NGS	Thu, May 10, 2007	15.00	15.20	14.85	15.05
1142	NYSE	NGS	Wed, May 9, 2007	14.60	15.00	14.30	14.82
1141	NYSE	NGS	Tue, May 8, 2007	13.91	14.54	13.86	14.54
1140	NYSE	NGS	Mon, May 7, 2007	14.09	14.09	13.90	13.90
1139	NYSE	NGS	Fri, May 4, 2007	13.83	14.10	13.83	13.96
1138	NYSE	NGS	Thu, May 3, 2007	13.81	14.10	13.81	13.89
1137	NYSE	NGS	Wed, May 2, 2007	13.80	14.02	13.76	13.92
1136	NYSE	NGS	Tue, May 1, 2007	14.25	14.42	13.85	13.86
1135	NYSE	NGS	Mon, Apr 30, 2007	14.48	14.48	14.10	14.20
1134	NYSE	NGS	Fri, Apr 27, 2007	14.44	14.55	14.20	14.39
1133	NYSE	NGS	Thu, Apr 26, 2007	14.25	14.25	14.10	14.25
1132	NYSE	NGS	Wed, Apr 25, 2007	13.81	14.45	13.81	14.20
1131	NYSE	NGS	Tue, Apr 24, 2007	13.63	13.88	13.63	13.81
1130	NYSE	NGS	Mon, Apr 23, 2007	13.80	13.88	13.80	13.87
1129	NYSE	NGS	Fri, Apr 20, 2007	13.84	13.93	13.79	13.87
1128	NYSE	NGS	Thu, Apr 19, 2007	13.75	14.02	13.55	13.88
1127	NYSE	NGS	Wed, Apr 18, 2007	13.95	14.02	13.78	13.86
1126	NYSE	NGS	Tue, Apr 17, 2007	14.01	14.20	14.01	14.18
1125	NYSE	NGS	Mon, Apr 16, 2007	14.36	14.50	14.12	14.25
1124	NYSE	NGS	Fri, Apr 13, 2007	14.46	14.50	14.08	14.39
1123	NYSE	NGS	Thu, Apr 12, 2007	14.20	14.46	14.00	14.40
1122	NYSE	NGS	Wed, Apr 11, 2007	14.10	14.20	13.86	14.20
1121	NYSE	NGS	Tue, Apr 10, 2007	13.84	14.15	13.80	14.10
1120	NYSE	NGS	Mon, Apr 9, 2007	14.00	14.09	13.80	13.92
1119	NYSE	NGS	Thu, Apr 5, 2007	13.88	14.21	13.88	13.95
1118	NYSE	NGS	Wed, Apr 4, 2007	14.21	14.21	13.85	13.95
1117	NYSE	NGS	Tue, Apr 3, 2007	14.25	14.25	14.08	14.21
1116	NYSE	NGS	Mon, Apr 2, 2007	14.02	14.27	14.02	14.27
1115	NYSE	NGS	Fri, Mar 30, 2007	14.31	14.31	14.17	14.17
1114	NYSE	NGS	Thu, Mar 29, 2007	14.03	14.37	13.96	14.30
1113	NYSE	NGS	Wed, Mar 28, 2007	13.95	14.33	13.95	14.19
1112	NYSE	NGS	Tue, Mar 27, 2007	14.14	14.25	13.84	14.01
1111	NYSE	NGS	Mon, Mar 26, 2007	14.10	14.40	14.10	14.18
1110	NYSE	NGS	Fri, Mar 23, 2007	13.96	14.35	13.86	14.03
1109	NYSE	NGS	Thu, Mar 22, 2007	14.19	14.40	13.81	14.12
1108	NYSE	NGS	Wed, Mar 21, 2007	14.14	14.48	13.97	14.03
1107	NYSE	NGS	Tue, Mar 20, 2007	13.99	14.18	13.68	14.10
1106	NYSE	NGS	Mon, Mar 19, 2007	13.86	14.10	13.78	13.86
1105	NYSE	NGS	Fri, Mar 16, 2007	13.66	13.90	13.52	13.84
1104	NYSE	NGS	Thu, Mar 15, 2007	13.60	13.80	13.57	13.65
1103	NYSE	NGS	Wed, Mar 14, 2007	12.96	13.67	12.96	13.53
1102	NYSE	NGS	Tue, Mar 13, 2007	13.22	13.25	13.00	13.12
1101	NYSE	NGS	Mon, Mar 12, 2007	12.85	13.04	12.63	13.00
1100	NYSE	NGS	Fri, Mar 9, 2007	13.02	13.25	12.80	12.96
1099	NYSE	NGS	Thu, Mar 8, 2007	12.68	13.20	12.68	13.05
1098	NYSE	NGS	Wed, Mar 7, 2007	12.88	13.20	12.58	12.90
1097	NYSE	NGS	Tue, Mar 6, 2007	12.52	12.96	11.68	12.96
1096	NYSE	NGS	Mon, Mar 5, 2007	12.81	12.85	12.67	12.68
1095	NYSE	NGS	Fri, Mar 2, 2007	13.39	13.50	12.90	13.03
1094	NYSE	NGS	Thu, Mar 1, 2007	13.13	13.64	12.86	13.30
1093	NYSE	NGS	Wed, Feb 28, 2007	13.10	13.45	12.83	13.20
1092	NYSE	NGS	Tue, Feb 27, 2007	13.42	13.54	12.92	13.12
1091	NYSE	NGS	Mon, Feb 26, 2007	13.40	13.71	13.34	13.62
1090	NYSE	NGS	Fri, Feb 23, 2007	13.60	13.93	13.40	13.42
1089	NYSE	NGS	Thu, Feb 22, 2007	13.14	13.83	13.14	13.66
1088	NYSE	NGS	Wed, Feb 21, 2007	13.23	13.34	13.09	13.24
1087	NYSE	NGS	Tue, Feb 20, 2007	13.34	13.70	13.29	13.32
1086	NYSE	NGS	Fri, Feb 16, 2007	13.60	13.69	13.47	13.59
1085	NYSE	NGS	Thu, Feb 15, 2007	13.90	13.90	13.56	13.75
1084	NYSE	NGS	Wed, Feb 14, 2007	13.53	14.11	13.53	13.97
1083	NYSE	NGS	Tue, Feb 13, 2007	13.85	13.93	13.55	13.71
1082	NYSE	NGS	Mon, Feb 12, 2007	14.10	14.10	13.77	13.82
1081	NYSE	NGS	Fri, Feb 9, 2007	14.50	14.50	13.85	14.10
1080	NYSE	NGS	Thu, Feb 8, 2007	14.32	14.86	14.32	14.39
1079	NYSE	NGS	Wed, Feb 7, 2007	14.81	14.94	14.46	14.68
1078	NYSE	NGS	Tue, Feb 6, 2007	14.75	14.94	14.43	14.85
1077	NYSE	NGS	Mon, Feb 5, 2007	13.20	15.00	13.18	14.78
1076	NYSE	NGS	Fri, Feb 2, 2007	13.16	13.22	12.95	13.22
1075	NYSE	NGS	Thu, Feb 1, 2007	13.33	13.40	12.80	13.15
1074	NYSE	NGS	Wed, Jan 31, 2007	13.20	13.25	12.92	13.10
1073	NYSE	NGS	Tue, Jan 30, 2007	12.80	13.25	12.76	13.12
1072	NYSE	NGS	Mon, Jan 29, 2007	13.06	13.09	12.80	12.90
1071	NYSE	NGS	Fri, Jan 26, 2007	13.05	13.23	12.76	12.97
1070	NYSE	NGS	Thu, Jan 25, 2007	13.27	13.42	13.05	13.19
1069	NYSE	NGS	Wed, Jan 24, 2007	13.39	13.70	13.05	13.33
1068	NYSE	NGS	Tue, Jan 23, 2007	13.36	13.81	13.36	13.69
1067	NYSE	NGS	Mon, Jan 22, 2007	13.54	13.63	13.01	13.36
1066	NYSE	NGS	Fri, Jan 19, 2007	13.18	13.59	13.10	13.50
1065	NYSE	NGS	Thu, Jan 18, 2007	13.45	13.51	13.15	13.28
1064	NYSE	NGS	Wed, Jan 17, 2007	13.44	13.70	13.44	13.45
1063	NYSE	NGS	Tue, Jan 16, 2007	13.37	13.81	13.06	13.44
1062	NYSE	NGS	Fri, Jan 12, 2007	13.25	13.45	13.06	13.37
1061	NYSE	NGS	Thu, Jan 11, 2007	13.00	13.50	12.90	13.23
1060	NYSE	NGS	Wed, Jan 10, 2007	13.43	13.65	13.00	13.14
1059	NYSE	NGS	Tue, Jan 9, 2007	13.68	14.00	13.40	13.78
1058	NYSE	NGS	Mon, Jan 8, 2007	13.89	14.25	13.65	13.88
1057	NYSE	NGS	Fri, Jan 5, 2007	12.63	13.95	12.63	13.59
1056	NYSE	NGS	Thu, Jan 4, 2007	13.07	13.20	12.99	13.03
1055	NYSE	NGS	Wed, Jan 3, 2007	13.82	13.90	13.07	13.31
1054	NYSE	NGS	Fri, Dec 29, 2006	14.39	14.39	13.54	13.90
1053	NYSE	NGS	Thu, Dec 28, 2006	14.46	14.86	14.16	14.44
1052	NYSE	NGS	Wed, Dec 27, 2006	15.13	15.29	14.45	14.57
1051	NYSE	NGS	Tue, Dec 26, 2006	15.35	15.58	14.75	15.33
1050	NYSE	NGS	Fri, Dec 22, 2006	14.90	15.57	14.90	15.45
1049	NYSE	NGS	Thu, Dec 21, 2006	14.85	15.00	14.60	14.97
1048	NYSE	NGS	Wed, Dec 20, 2006	15.06	15.25	14.90	15.00
1047	NYSE	NGS	Tue, Dec 19, 2006	15.50	15.60	14.70	15.22
1046	NYSE	NGS	Mon, Dec 18, 2006	15.75	15.84	15.45	15.62
1045	NYSE	NGS	Fri, Dec 15, 2006	15.85	15.88	15.75	15.75
1044	NYSE	NGS	Thu, Dec 14, 2006	15.60	15.88	15.51	15.75
1043	NYSE	NGS	Wed, Dec 13, 2006	15.60	15.90	15.60	15.60
1042	NYSE	NGS	Tue, Dec 12, 2006	15.52	15.80	15.52	15.57
1041	NYSE	NGS	Mon, Dec 11, 2006	15.76	15.90	15.50	15.54
1040	NYSE	NGS	Fri, Dec 8, 2006	15.64	16.12	15.56	16.00
1039	NYSE	NGS	Thu, Dec 7, 2006	16.12	16.28	15.77	15.82
1038	NYSE	NGS	Wed, Dec 6, 2006	15.82	16.39	15.82	16.22
1037	NYSE	NGS	Tue, Dec 5, 2006	16.20	16.34	15.77	15.96
1036	NYSE	NGS	Mon, Dec 4, 2006	16.49	16.49	16.08	16.35
1035	NYSE	NGS	Fri, Dec 1, 2006	15.59	16.49	15.51	16.43
1034	NYSE	NGS	Thu, Nov 30, 2006	15.35	15.99	15.25	15.67
1033	NYSE	NGS	Wed, Nov 29, 2006	14.76	15.43	14.76	15.38
1032	NYSE	NGS	Tue, Nov 28, 2006	14.91	15.05	14.90	14.96
1031	NYSE	NGS	Mon, Nov 27, 2006	14.90	15.10	14.60	14.91
1030	NYSE	NGS	Fri, Nov 24, 2006	14.80	15.15	14.70	14.90
1029	NYSE	NGS	Wed, Nov 22, 2006	14.42	14.85	14.18	14.79
1028	NYSE	NGS	Tue, Nov 21, 2006	14.35	14.50	14.02	14.22
1027	NYSE	NGS	Mon, Nov 20, 2006	14.50	14.59	13.91	14.11
1026	NYSE	NGS	Fri, Nov 17, 2006	14.74	14.85	14.40	14.42
1025	NYSE	NGS	Thu, Nov 16, 2006	15.20	15.26	14.70	14.74
1024	NYSE	NGS	Wed, Nov 15, 2006	14.98	15.36	14.82	15.20
1023	NYSE	NGS	Tue, Nov 14, 2006	15.18	15.19	14.57	14.63
1022	NYSE	NGS	Mon, Nov 13, 2006	15.18	15.31	14.74	15.09
1021	NYSE	NGS	Fri, Nov 10, 2006	15.49	15.50	15.00	15.05
1020	NYSE	NGS	Thu, Nov 9, 2006	15.17	15.50	14.80	15.43
1019	NYSE	NGS	Wed, Nov 8, 2006	13.46	15.10	13.46	14.86
1018	NYSE	NGS	Tue, Nov 7, 2006	13.60	13.80	13.10	13.70
1017	NYSE	NGS	Mon, Nov 6, 2006	13.82	13.85	13.25	13.70
1016	NYSE	NGS	Fri, Nov 3, 2006	13.60	13.65	13.45	13.60
1015	NYSE	NGS	Thu, Nov 2, 2006	13.50	13.70	13.44	13.45
1014	NYSE	NGS	Wed, Nov 1, 2006	13.77	13.95	13.02	13.35
1013	NYSE	NGS	Tue, Oct 31, 2006	13.25	13.73	13.22	13.73
1012	NYSE	NGS	Mon, Oct 30, 2006	13.65	13.75	13.25	13.40
1011	NYSE	NGS	Fri, Oct 27, 2006	13.98	14.05	13.75	13.77
1010	NYSE	NGS	Thu, Oct 26, 2006	13.95	14.10	13.80	13.89
1009	NYSE	NGS	Wed, Oct 25, 2006	14.10	14.15	13.81	13.87
1008	NYSE	NGS	Tue, Oct 24, 2006	14.07	14.20	13.67	13.90
1007	NYSE	NGS	Mon, Oct 23, 2006	13.85	13.99	12.06	13.91
1006	NYSE	NGS	Fri, Oct 20, 2006	14.25	14.34	13.87	14.07
1005	NYSE	NGS	Thu, Oct 19, 2006	14.05	14.44	14.05	14.27
1004	NYSE	NGS	Wed, Oct 18, 2006	14.75	15.25	14.03	14.30
1003	NYSE	NGS	Tue, Oct 17, 2006	14.38	14.47	13.90	14.41
1002	NYSE	NGS	Mon, Oct 16, 2006	13.55	14.38	13.44	14.30
1001	NYSE	NGS	Fri, Oct 13, 2006	13.44	13.70	13.31	13.60
1000	NYSE	NGS	Thu, Oct 12, 2006	13.02	13.39	13.02	13.31
999	NYSE	NGS	Wed, Oct 11, 2006	13.36	13.46	13.04	13.10
998	NYSE	NGS	Tue, Oct 10, 2006	13.06	13.45	13.06	13.36
997	NYSE	NGS	Mon, Oct 9, 2006	12.75	13.06	12.65	13.01
996	NYSE	NGS	Fri, Oct 6, 2006	12.29	12.95	12.00	12.76
995	NYSE	NGS	Thu, Oct 5, 2006	12.38	12.50	12.20	12.49
994	NYSE	NGS	Wed, Oct 4, 2006	11.90	12.29	11.70	12.22
993	NYSE	NGS	Tue, Oct 3, 2006	12.28	12.35	11.85	12.09
992	NYSE	NGS	Mon, Oct 2, 2006	12.90	12.96	12.40	12.51
991	NYSE	NGS	Fri, Sep 29, 2006	12.22	13.00	12.22	12.90
990	NYSE	NGS	Thu, Sep 28, 2006	12.25	12.54	12.12	12.16
989	NYSE	NGS	Wed, Sep 27, 2006	12.13	12.39	11.75	12.28
988	NYSE	NGS	Tue, Sep 26, 2006	11.51	12.10	11.50	11.91
987	NYSE	NGS	Mon, Sep 25, 2006	11.72	11.93	11.15	11.84
986	NYSE	NGS	Fri, Sep 22, 2006	12.17	12.30	11.82	12.01
985	NYSE	NGS	Thu, Sep 21, 2006	12.20	12.50	12.05	12.18
984	NYSE	NGS	Wed, Sep 20, 2006	12.58	12.58	12.30	12.45
983	NYSE	NGS	Tue, Sep 19, 2006	12.20	12.58	12.05	12.57
982	NYSE	NGS	Mon, Sep 18, 2006	12.35	12.50	12.21	12.45
981	NYSE	NGS	Fri, Sep 15, 2006	11.99	12.89	11.85	12.50
980	NYSE	NGS	Thu, Sep 14, 2006	11.90	12.18	11.51	11.93
979	NYSE	NGS	Wed, Sep 13, 2006	12.30	12.50	11.67	12.00
978	NYSE	NGS	Tue, Sep 12, 2006	12.02	12.50	12.01	12.37
977	NYSE	NGS	Mon, Sep 11, 2006	13.00	13.00	12.05	12.20
976	NYSE	NGS	Fri, Sep 8, 2006	13.75	13.90	13.28	13.28
975	NYSE	NGS	Thu, Sep 7, 2006	13.69	14.00	13.60	13.80
974	NYSE	NGS	Wed, Sep 6, 2006	13.99	14.00	13.75	13.76
973	NYSE	NGS	Tue, Sep 5, 2006	13.81	14.00	13.81	13.98
972	NYSE	NGS	Fri, Sep 1, 2006	14.15	14.15	13.71	13.84
971	NYSE	NGS	Thu, Aug 31, 2006	13.85	14.40	13.81	14.21
970	NYSE	NGS	Wed, Aug 30, 2006	14.15	14.29	13.86	13.96
969	NYSE	NGS	Tue, Aug 29, 2006	14.50	14.50	14.01	14.24
968	NYSE	NGS	Mon, Aug 28, 2006	14.50	15.10	13.82	14.60
967	NYSE	NGS	Fri, Aug 25, 2006	14.00	14.98	14.00	14.80
966	NYSE	NGS	Thu, Aug 24, 2006	13.55	13.99	13.55	13.95
965	NYSE	NGS	Wed, Aug 23, 2006	13.75	13.90	13.50	13.53
964	NYSE	NGS	Tue, Aug 22, 2006	13.54	13.78	13.42	13.60
963	NYSE	NGS	Mon, Aug 21, 2006	13.40	13.55	13.25	13.54
962	NYSE	NGS	Fri, Aug 18, 2006	13.41	13.63	13.08	13.50
961	NYSE	NGS	Thu, Aug 17, 2006	13.49	13.65	13.01	13.42
960	NYSE	NGS	Wed, Aug 16, 2006	13.36	13.74	13.35	13.41
959	NYSE	NGS	Tue, Aug 15, 2006	13.10	13.49	12.89	13.39
958	NYSE	NGS	Mon, Aug 14, 2006	13.32	13.33	12.51	12.95
957	NYSE	NGS	Fri, Aug 11, 2006	14.25	14.62	13.34	13.49
956	NYSE	NGS	Thu, Aug 10, 2006	16.55	16.55	14.16	14.18
955	NYSE	NGS	Wed, Aug 9, 2006	16.60	17.12	16.60	16.65
954	NYSE	NGS	Tue, Aug 8, 2006	16.84	16.84	16.49	16.52
953	NYSE	NGS	Mon, Aug 7, 2006	16.40	16.85	16.01	16.76
952	NYSE	NGS	Fri, Aug 4, 2006	16.61	16.78	16.05	16.30
951	NYSE	NGS	Thu, Aug 3, 2006	16.80	16.84	16.33	16.61
950	NYSE	NGS	Wed, Aug 2, 2006	17.75	18.18	16.77	17.04
949	NYSE	NGS	Tue, Aug 1, 2006	17.88	18.00	17.55	17.60
948	NYSE	NGS	Mon, Jul 31, 2006	16.95	17.95	16.75	17.68
947	NYSE	NGS	Fri, Jul 28, 2006	16.25	16.69	16.10	16.69
946	NYSE	NGS	Thu, Jul 27, 2006	15.96	16.26	15.65	16.16
945	NYSE	NGS	Wed, Jul 26, 2006	15.10	15.88	15.00	15.88
944	NYSE	NGS	Tue, Jul 25, 2006	15.52	15.72	15.22	15.50
943	NYSE	NGS	Mon, Jul 24, 2006	14.05	15.46	14.05	15.24
942	NYSE	NGS	Fri, Jul 21, 2006	14.74	14.77	14.03	14.09
941	NYSE	NGS	Thu, Jul 20, 2006	15.35	15.50	14.68	14.76
940	NYSE	NGS	Wed, Jul 19, 2006	13.86	15.06	13.80	15.00
939	NYSE	NGS	Tue, Jul 18, 2006	14.48	14.48	13.65	14.02
938	NYSE	NGS	Mon, Jul 17, 2006	14.55	14.82	14.25	14.31
937	NYSE	NGS	Fri, Jul 14, 2006	14.93	14.93	14.26	14.68
936	NYSE	NGS	Thu, Jul 13, 2006	15.02	15.38	14.62	14.86
935	NYSE	NGS	Wed, Jul 12, 2006	15.30	15.52	15.01	15.05
934	NYSE	NGS	Tue, Jul 11, 2006	15.88	15.88	15.25	15.36
933	NYSE	NGS	Mon, Jul 10, 2006	16.01	16.35	15.25	15.38
932	NYSE	NGS	Fri, Jul 7, 2006	16.25	16.35	16.01	16.02
931	NYSE	NGS	Thu, Jul 6, 2006	16.27	16.39	15.75	16.25
930	NYSE	NGS	Wed, Jul 5, 2006	16.40	16.40	15.71	16.27
929	NYSE	NGS	Mon, Jul 3, 2006	15.20	16.35	15.12	16.20
928	NYSE	NGS	Fri, Jun 30, 2006	14.80	15.04	14.78	14.97
927	NYSE	NGS	Thu, Jun 29, 2006	14.87	15.02	14.72	14.95
926	NYSE	NGS	Wed, Jun 28, 2006	14.36	15.18	14.33	14.96
925	NYSE	NGS	Tue, Jun 27, 2006	14.00	14.75	13.93	14.50
924	NYSE	NGS	Mon, Jun 26, 2006	13.70	14.10	13.68	13.90
923	NYSE	NGS	Fri, Jun 23, 2006	13.82	14.00	13.55	13.77
922	NYSE	NGS	Thu, Jun 22, 2006	13.45	13.82	13.25	13.52
921	NYSE	NGS	Wed, Jun 21, 2006	13.49	13.77	13.25	13.27
920	NYSE	NGS	Tue, Jun 20, 2006	13.79	13.90	13.02	13.49
919	NYSE	NGS	Mon, Jun 19, 2006	14.10	14.19	13.52	13.55
918	NYSE	NGS	Fri, Jun 16, 2006	14.35	14.35	13.90	14.14
917	NYSE	NGS	Thu, Jun 15, 2006	13.42	14.47	13.00	14.35
916	NYSE	NGS	Wed, Jun 14, 2006	12.70	12.96	12.07	12.92
915	NYSE	NGS	Tue, Jun 13, 2006	13.62	13.67	12.68	12.70
914	NYSE	NGS	Mon, Jun 12, 2006	14.90	14.90	13.51	13.69
913	NYSE	NGS	Fri, Jun 9, 2006	14.44	14.68	14.01	14.15
912	NYSE	NGS	Thu, Jun 8, 2006	14.65	14.79	13.41	14.21
911	NYSE	NGS	Wed, Jun 7, 2006	15.55	15.55	14.75	14.85
910	NYSE	NGS	Tue, Jun 6, 2006	15.92	15.92	15.22	15.55
909	NYSE	NGS	Mon, Jun 5, 2006	15.96	16.20	15.75	15.79
908	NYSE	NGS	Fri, Jun 2, 2006	15.32	15.80	15.26	15.72
907	NYSE	NGS	Thu, Jun 1, 2006	15.60	15.87	15.30	15.52
906	NYSE	NGS	Wed, May 31, 2006	15.22	15.89	15.00	15.80
905	NYSE	NGS	Tue, May 30, 2006	15.50	15.75	15.03	15.22
904	NYSE	NGS	Fri, May 26, 2006	15.21	16.00	14.70	15.30
903	NYSE	NGS	Thu, May 25, 2006	15.22	15.54	14.86	15.20
902	NYSE	NGS	Wed, May 24, 2006	15.02	15.50	14.91	15.10
901	NYSE	NGS	Tue, May 23, 2006	15.59	15.79	15.00	15.27
900	NYSE	NGS	Mon, May 22, 2006	15.06	15.40	14.40	15.35
899	NYSE	NGS	Fri, May 19, 2006	14.39	15.15	14.05	15.09
898	NYSE	NGS	Thu, May 18, 2006	15.01	15.50	13.84	14.59
897	NYSE	NGS	Wed, May 17, 2006	15.98	16.14	14.94	14.98
896	NYSE	NGS	Tue, May 16, 2006	16.33	16.41	15.83	15.98
895	NYSE	NGS	Mon, May 15, 2006	17.15	17.15	16.00	16.15
894	NYSE	NGS	Fri, May 12, 2006	18.22	18.24	17.00	17.40
893	NYSE	NGS	Thu, May 11, 2006	19.71	20.25	17.68	18.00
892	NYSE	NGS	Wed, May 10, 2006	17.90	19.60	17.87	19.48
891	NYSE	NGS	Tue, May 9, 2006	17.60	17.70	17.35	17.56
890	NYSE	NGS	Mon, May 8, 2006	17.57	17.80	17.20	17.55
889	NYSE	NGS	Fri, May 5, 2006	17.50	17.78	17.36	17.58
888	NYSE	NGS	Thu, May 4, 2006	17.65	17.72	17.20	17.52
887	NYSE	NGS	Wed, May 3, 2006	17.28	17.65	17.20	17.58
886	NYSE	NGS	Tue, May 2, 2006	17.48	17.60	17.11	17.35
885	NYSE	NGS	Mon, May 1, 2006	17.00	17.45	16.86	17.33
884	NYSE	NGS	Fri, Apr 28, 2006	17.00	17.15	16.93	17.09
883	NYSE	NGS	Thu, Apr 27, 2006	17.19	17.30	16.90	17.04
882	NYSE	NGS	Wed, Apr 26, 2006	17.05	17.39	16.85	17.23
881	NYSE	NGS	Tue, Apr 25, 2006	17.83	17.83	16.84	17.09
880	NYSE	NGS	Mon, Apr 24, 2006	18.00	18.07	17.61	17.68
879	NYSE	NGS	Fri, Apr 21, 2006	18.25	18.29	17.61	18.00
878	NYSE	NGS	Thu, Apr 20, 2006	18.75	18.88	17.95	18.14
877	NYSE	NGS	Wed, Apr 19, 2006	18.20	18.57	18.03	18.57
876	NYSE	NGS	Tue, Apr 18, 2006	17.90	18.29	17.70	18.17
875	NYSE	NGS	Mon, Apr 17, 2006	17.20	17.58	17.20	17.50
874	NYSE	NGS	Thu, Apr 13, 2006	17.10	17.20	16.90	17.20
873	NYSE	NGS	Wed, Apr 12, 2006	17.18	17.18	16.55	16.83
872	NYSE	NGS	Tue, Apr 11, 2006	17.45	17.80	16.90	17.01
871	NYSE	NGS	Mon, Apr 10, 2006	17.45	17.56	17.20	17.45
870	NYSE	NGS	Fri, Apr 7, 2006	18.00	18.00	17.33	17.45
869	NYSE	NGS	Thu, Apr 6, 2006	18.51	18.80	18.16	18.17
868	NYSE	NGS	Wed, Apr 5, 2006	18.23	18.65	18.10	18.41
867	NYSE	NGS	Tue, Apr 4, 2006	18.30	18.30	17.96	18.23
866	NYSE	NGS	Mon, Apr 3, 2006	17.99	18.30	17.90	18.30
865	NYSE	NGS	Fri, Mar 31, 2006	17.98	17.98	17.20	17.88
864	NYSE	NGS	Thu, Mar 30, 2006	18.00	18.15	17.50	17.83
863	NYSE	NGS	Wed, Mar 29, 2006	17.40	17.87	17.36	17.85
862	NYSE	NGS	Tue, Mar 28, 2006	18.00	18.33	17.25	17.34
861	NYSE	NGS	Mon, Mar 27, 2006	17.50	17.90	17.27	17.75
860	NYSE	NGS	Fri, Mar 24, 2006	17.05	17.65	17.05	17.47
859	NYSE	NGS	Thu, Mar 23, 2006	16.39	17.24	16.39	17.05
858	NYSE	NGS	Wed, Mar 22, 2006	15.88	16.75	15.88	16.39
857	NYSE	NGS	Tue, Mar 21, 2006	15.96	16.08	15.82	15.98
856	NYSE	NGS	Mon, Mar 20, 2006	16.56	16.57	15.92	16.18
855	NYSE	NGS	Fri, Mar 17, 2006	17.00	17.01	16.57	16.57
854	NYSE	NGS	Thu, Mar 16, 2006	16.80	17.12	16.55	16.99
853	NYSE	NGS	Wed, Mar 15, 2006	16.82	16.82	16.55	16.80
852	NYSE	NGS	Tue, Mar 14, 2006	17.03	17.06	16.56	16.83
851	NYSE	NGS	Mon, Mar 13, 2006	17.00	17.30	16.91	17.03
850	NYSE	NGS	Fri, Mar 10, 2006	17.19	17.37	16.74	16.90
849	NYSE	NGS	Thu, Mar 9, 2006	16.96	17.50	16.66	17.10
848	NYSE	NGS	Wed, Mar 8, 2006	16.96	17.20	16.55	16.97
847	NYSE	NGS	Tue, Mar 7, 2006	17.00	17.40	16.85	17.04
846	NYSE	NGS	Mon, Mar 6, 2006	17.50	17.54	16.80	17.00
845	NYSE	NGS	Fri, Mar 3, 2006	17.81	18.21	17.25	17.50
844	NYSE	NGS	Thu, Mar 2, 2006	18.74	18.74	17.96	18.43
843	NYSE	NGS	Wed, Mar 1, 2006	19.70	19.71	18.60	18.73
842	NYSE	NGS	Tue, Feb 28, 2006	20.40	20.40	19.31	19.75
841	NYSE	NGS	Mon, Feb 27, 2006	20.97	20.97	20.00	20.50
840	NYSE	NGS	Fri, Feb 24, 2006	20.75	21.38	20.70	20.98
839	NYSE	NGS	Thu, Feb 23, 2006	20.80	20.91	20.25	20.46
838	NYSE	NGS	Wed, Feb 22, 2006	20.80	20.98	20.20	20.91
837	NYSE	NGS	Tue, Feb 21, 2006	22.30	22.47	21.24	21.51
836	NYSE	NGS	Fri, Feb 17, 2006	21.45	22.66	21.10	22.00
835	NYSE	NGS	Thu, Feb 16, 2006	19.50	21.23	19.11	20.85
834	NYSE	NGS	Wed, Feb 15, 2006	18.65	19.00	18.51	18.77
833	NYSE	NGS	Tue, Feb 14, 2006	19.00	19.00	17.90	18.41
832	NYSE	NGS	Mon, Feb 13, 2006	19.95	20.25	19.03	19.29
831	NYSE	NGS	Fri, Feb 10, 2006	20.22	20.41	19.50	19.88
830	NYSE	NGS	Thu, Feb 9, 2006	21.00	21.59	20.00	20.22
829	NYSE	NGS	Wed, Feb 8, 2006	21.90	22.22	21.00	21.03
828	NYSE	NGS	Tue, Feb 7, 2006	22.64	22.64	21.22	21.65
827	NYSE	NGS	Mon, Feb 6, 2006	22.40	23.95	22.40	22.65
826	NYSE	NGS	Fri, Feb 3, 2006	22.50	23.33	21.90	22.63
825	NYSE	NGS	Thu, Feb 2, 2006	23.35	23.74	21.90	22.55
824	NYSE	NGS	Wed, Feb 1, 2006	23.25	24.23	23.15	23.34
823	NYSE	NGS	Tue, Jan 31, 2006	23.75	25.40	23.03	23.83
822	NYSE	NGS	Mon, Jan 30, 2006	22.35	24.29	22.05	24.11
821	NYSE	NGS	Fri, Jan 27, 2006	23.48	23.50	22.41	22.80
820	NYSE	NGS	Thu, Jan 26, 2006	22.25	23.01	21.11	22.75
819	NYSE	NGS	Wed, Jan 25, 2006	23.94	23.95	22.10	22.34
818	NYSE	NGS	Tue, Jan 24, 2006	24.50	24.60	23.00	23.57
817	NYSE	NGS	Mon, Jan 23, 2006	22.50	24.47	22.41	24.40
816	NYSE	NGS	Fri, Jan 20, 2006	23.50	24.00	22.05	22.38
815	NYSE	NGS	Thu, Jan 19, 2006	18.19	22.28	17.80	22.28
814	NYSE	NGS	Wed, Jan 18, 2006	18.53	18.64	17.30	17.96
813	NYSE	NGS	Tue, Jan 17, 2006	17.15	19.00	17.15	18.27
812	NYSE	NGS	Fri, Jan 13, 2006	17.39	17.63	16.66	16.96
811	NYSE	NGS	Thu, Jan 12, 2006	17.51	18.15	17.39	17.43
810	NYSE	NGS	Wed, Jan 11, 2006	17.01	17.75	17.01	17.37
809	NYSE	NGS	Tue, Jan 10, 2006	16.06	17.00	15.86	16.95
808	NYSE	NGS	Mon, Jan 9, 2006	16.90	17.03	16.20	16.34
807	NYSE	NGS	Fri, Jan 6, 2006	16.95	17.60	16.95	17.10
806	NYSE	NGS	Thu, Jan 5, 2006	17.50	17.74	16.79	16.99
805	NYSE	NGS	Wed, Jan 4, 2006	17.20	17.79	16.80	17.65
804	NYSE	NGS	Tue, Jan 3, 2006	17.10	17.90	17.01	17.22
803	NYSE	NGS	Fri, Dec 30, 2005	17.00	17.35	16.91	16.96
802	NYSE	NGS	Thu, Dec 29, 2005	18.15	18.15	17.50	17.50
801	NYSE	NGS	Wed, Dec 28, 2005	17.80	18.43	17.41	18.00
800	NYSE	NGS	Tue, Dec 27, 2005	18.60	18.65	17.40	17.70
799	NYSE	NGS	Fri, Dec 23, 2005	16.75	18.75	15.67	18.68
798	NYSE	NGS	Thu, Dec 22, 2005	18.00	18.29	17.05	17.07
797	NYSE	NGS	Wed, Dec 21, 2005	17.76	19.00	17.76	18.27
796	NYSE	NGS	Tue, Dec 20, 2005	18.17	18.60	17.62	18.05
795	NYSE	NGS	Mon, Dec 19, 2005	19.54	19.64	18.46	18.87
794	NYSE	NGS	Fri, Dec 16, 2005	20.25	20.25	19.45	19.79
793	NYSE	NGS	Thu, Dec 15, 2005	20.40	21.32	20.00	20.30
792	NYSE	NGS	Wed, Dec 14, 2005	21.00	21.00	19.75	20.65
791	NYSE	NGS	Tue, Dec 13, 2005	22.95	23.25	21.20	21.26
790	NYSE	NGS	Mon, Dec 12, 2005	23.98	24.20	22.50	22.79
789	NYSE	NGS	Fri, Dec 9, 2005	24.44	24.45	23.38	23.45
788	NYSE	NGS	Thu, Dec 8, 2005	23.85	24.35	23.22	24.19
787	NYSE	NGS	Wed, Dec 7, 2005	24.00	24.75	23.40	23.85
786	NYSE	NGS	Tue, Dec 6, 2005	24.05	24.80	23.70	23.99
785	NYSE	NGS	Mon, Dec 5, 2005	24.19	25.88	23.80	24.53
784	NYSE	NGS	Fri, Dec 2, 2005	22.90	23.25	22.76	23.10
783	NYSE	NGS	Thu, Dec 1, 2005	23.35	23.35	22.45	22.66
782	NYSE	NGS	Wed, Nov 30, 2005	21.65	23.10	21.54	22.75
781	NYSE	NGS	Tue, Nov 29, 2005	22.74	23.08	21.56	22.24
780	NYSE	NGS	Mon, Nov 28, 2005	23.75	24.17	22.30	22.65
779	NYSE	NGS	Fri, Nov 25, 2005	23.50	23.78	23.30	23.70
778	NYSE	NGS	Wed, Nov 23, 2005	23.81	24.10	22.75	23.19
777	NYSE	NGS	Tue, Nov 22, 2005	24.15	24.19	23.56	23.86
776	NYSE	NGS	Mon, Nov 21, 2005	22.15	23.35	22.15	23.23
775	NYSE	NGS	Fri, Nov 18, 2005	22.70	22.70	20.93	22.05
774	NYSE	NGS	Thu, Nov 17, 2005	22.80	24.14	22.11	22.55
773	NYSE	NGS	Wed, Nov 16, 2005	20.45	21.89	19.84	21.89
772	NYSE	NGS	Tue, Nov 15, 2005	21.15	21.48	19.45	19.85
771	NYSE	NGS	Mon, Nov 14, 2005	21.00	21.84	20.90	21.08
770	NYSE	NGS	Fri, Nov 11, 2005	18.90	20.68	18.83	20.50
769	NYSE	NGS	Thu, Nov 10, 2005	19.60	21.27	19.45	19.62
768	NYSE	NGS	Wed, Nov 9, 2005	20.99	21.30	19.65	20.34
767	NYSE	NGS	Tue, Nov 8, 2005	20.20	21.60	19.20	21.06
766	NYSE	NGS	Mon, Nov 7, 2005	22.50	22.98	20.26	20.55
765	NYSE	NGS	Fri, Nov 4, 2005	26.00	26.01	23.60	24.16
764	NYSE	NGS	Thu, Nov 3, 2005	25.75	26.70	25.75	26.05
763	NYSE	NGS	Wed, Nov 2, 2005	26.00	26.40	25.51	25.72
762	NYSE	NGS	Tue, Nov 1, 2005	26.95	27.00	25.67	26.20
761	NYSE	NGS	Mon, Oct 31, 2005	26.12	27.60	26.10	27.18
760	NYSE	NGS	Fri, Oct 28, 2005	26.00	26.40	25.50	26.11
759	NYSE	NGS	Thu, Oct 27, 2005	27.70	28.45	26.20	26.39
758	NYSE	NGS	Wed, Oct 26, 2005	29.00	29.45	27.18	27.63
757	NYSE	NGS	Tue, Oct 25, 2005	28.30	29.65	28.28	29.19
756	NYSE	NGS	Mon, Oct 24, 2005	26.00	29.15	25.00	27.82
755	NYSE	NGS	Fri, Oct 21, 2005	28.18	28.18	26.01	26.72
754	NYSE	NGS	Thu, Oct 20, 2005	30.00	30.30	28.10	28.18
753	NYSE	NGS	Wed, Oct 19, 2005	30.50	31.15	27.80	30.83
752	NYSE	NGS	Tue, Oct 18, 2005	31.25	31.25	29.00	29.91
751	NYSE	NGS	Mon, Oct 17, 2005	32.50	34.50	32.25	33.03
750	NYSE	NGS	Fri, Oct 14, 2005	28.75	31.00	28.20	30.60
749	NYSE	NGS	Thu, Oct 13, 2005	30.61	30.61	26.20	28.12
748	NYSE	NGS	Wed, Oct 12, 2005	35.73	35.73	30.25	31.32
747	NYSE	NGS	Tue, Oct 11, 2005	32.96	35.18	32.54	34.34
746	NYSE	NGS	Mon, Oct 10, 2005	30.02	32.00	29.25	31.76
745	NYSE	NGS	Fri, Oct 7, 2005	25.39	30.50	25.18	28.15
744	NYSE	NGS	Thu, Oct 6, 2005	30.00	30.00	23.53	24.30
743	NYSE	NGS	Wed, Oct 5, 2005	38.81	39.00	30.24	31.81
742	NYSE	NGS	Tue, Oct 4, 2005	39.49	39.99	37.21	38.81
741	NYSE	NGS	Mon, Oct 3, 2005	36.50	39.80	35.20	39.37
740	NYSE	NGS	Fri, Sep 30, 2005	32.82	36.00	32.80	35.23
739	NYSE	NGS	Thu, Sep 29, 2005	34.55	34.60	32.43	32.82
738	NYSE	NGS	Wed, Sep 28, 2005	35.26	35.74	33.00	34.45
737	NYSE	NGS	Tue, Sep 27, 2005	32.22	35.50	32.22	35.21
736	NYSE	NGS	Mon, Sep 26, 2005	29.00	32.00	27.65	31.99
735	NYSE	NGS	Fri, Sep 23, 2005	29.74	29.74	27.06	28.41
734	NYSE	NGS	Thu, Sep 22, 2005	30.24	31.43	26.60	29.78
733	NYSE	NGS	Wed, Sep 21, 2005	29.17	29.59	28.01	29.19
732	NYSE	NGS	Tue, Sep 20, 2005	29.79	29.79	26.70	27.96
731	NYSE	NGS	Mon, Sep 19, 2005	27.30	28.25	25.70	28.25
730	NYSE	NGS	Fri, Sep 16, 2005	24.99	25.59	23.85	25.45
729	NYSE	NGS	Thu, Sep 15, 2005	25.04	25.10	24.45	24.76
728	NYSE	NGS	Wed, Sep 14, 2005	24.44	24.99	23.76	24.99
727	NYSE	NGS	Tue, Sep 13, 2005	24.00	24.00	23.05	23.69
726	NYSE	NGS	Mon, Sep 12, 2005	22.39	23.59	22.02	23.02
725	NYSE	NGS	Fri, Sep 9, 2005	23.98	23.98	21.18	21.94
724	NYSE	NGS	Thu, Sep 8, 2005	22.97	23.35	22.75	23.28
723	NYSE	NGS	Wed, Sep 7, 2005	22.22	22.61	21.91	22.57
722	NYSE	NGS	Tue, Sep 6, 2005	20.50	21.95	20.50	21.80
721	NYSE	NGS	Fri, Sep 2, 2005	22.00	22.09	19.55	20.35
720	NYSE	NGS	Thu, Sep 1, 2005	20.72	22.00	20.50	21.75
719	NYSE	NGS	Wed, Aug 31, 2005	19.12	20.61	19.12	20.10
718	NYSE	NGS	Tue, Aug 30, 2005	18.98	18.99	18.30	18.70
717	NYSE	NGS	Mon, Aug 29, 2005	17.47	19.38	17.45	18.24
716	NYSE	NGS	Fri, Aug 26, 2005	17.45	17.50	16.70	17.07
715	NYSE	NGS	Thu, Aug 25, 2005	18.37	18.38	16.66	17.30
714	NYSE	NGS	Wed, Aug 24, 2005	18.00	18.33	17.77	18.20
713	NYSE	NGS	Tue, Aug 23, 2005	18.31	18.43	17.65	17.76
712	NYSE	NGS	Mon, Aug 22, 2005	17.78	18.45	17.50	18.06
711	NYSE	NGS	Fri, Aug 19, 2005	15.01	17.17	15.01	16.80
710	NYSE	NGS	Thu, Aug 18, 2005	15.67	16.07	14.78	15.04
709	NYSE	NGS	Wed, Aug 17, 2005	17.82	18.97	15.56	16.07
708	NYSE	NGS	Tue, Aug 16, 2005	18.99	18.99	17.53	17.67
707	NYSE	NGS	Mon, Aug 15, 2005	18.50	19.00	17.67	18.99
706	NYSE	NGS	Fri, Aug 12, 2005	16.35	17.10	16.35	16.88
705	NYSE	NGS	Thu, Aug 11, 2005	16.65	16.96	15.70	16.34
704	NYSE	NGS	Wed, Aug 10, 2005	15.72	16.66	15.66	16.50
703	NYSE	NGS	Tue, Aug 9, 2005	14.85	15.64	14.70	15.50
702	NYSE	NGS	Mon, Aug 8, 2005	13.92	15.00	13.85	14.65
701	NYSE	NGS	Fri, Aug 5, 2005	13.62	13.99	13.62	13.76
700	NYSE	NGS	Thu, Aug 4, 2005	13.72	13.75	13.29	13.46
699	NYSE	NGS	Wed, Aug 3, 2005	13.53	13.79	13.52	13.70
698	NYSE	NGS	Tue, Aug 2, 2005	13.48	13.52	13.25	13.49
697	NYSE	NGS	Mon, Aug 1, 2005	13.60	13.78	13.53	13.53
696	NYSE	NGS	Fri, Jul 29, 2005	13.34	13.60	13.26	13.54
695	NYSE	NGS	Thu, Jul 28, 2005	13.72	13.75	13.32	13.40
694	NYSE	NGS	Wed, Jul 27, 2005	13.75	13.82	13.70	13.70
693	NYSE	NGS	Tue, Jul 26, 2005	13.92	14.01	13.76	13.90
692	NYSE	NGS	Mon, Jul 25, 2005	13.88	14.00	13.68	13.88
691	NYSE	NGS	Fri, Jul 22, 2005	13.70	14.00	13.50	13.63
690	NYSE	NGS	Thu, Jul 21, 2005	12.82	14.00	12.82	13.50
689	NYSE	NGS	Wed, Jul 20, 2005	12.92	12.92	12.81	12.85
688	NYSE	NGS	Tue, Jul 19, 2005	12.76	12.83	12.49	12.76
687	NYSE	NGS	Mon, Jul 18, 2005	12.40	13.22	12.30	12.76
686	NYSE	NGS	Fri, Jul 15, 2005	12.28	12.32	12.28	12.30
685	NYSE	NGS	Thu, Jul 14, 2005	12.50	12.51	12.12	12.30
684	NYSE	NGS	Wed, Jul 13, 2005	12.68	12.68	12.24	12.50
683	NYSE	NGS	Tue, Jul 12, 2005	12.84	12.95	12.73	12.73
682	NYSE	NGS	Mon, Jul 11, 2005	12.54	12.90	12.54	12.78
681	NYSE	NGS	Fri, Jul 8, 2005	12.42	12.55	12.15	12.45
680	NYSE	NGS	Thu, Jul 7, 2005	11.82	12.50	11.69	12.50
679	NYSE	NGS	Wed, Jul 6, 2005	11.67	11.91	11.55	11.91
678	NYSE	NGS	Tue, Jul 5, 2005	11.89	11.89	11.58	11.75
677	NYSE	NGS	Fri, Jul 1, 2005	11.75	11.86	11.75	11.83
676	NYSE	NGS	Thu, Jun 30, 2005	11.69	11.73	11.66	11.70
675	NYSE	NGS	Wed, Jun 29, 2005	11.60	11.62	11.58	11.59
674	NYSE	NGS	Tue, Jun 28, 2005	11.35	11.62	11.33	11.57
673	NYSE	NGS	Mon, Jun 27, 2005	11.25	11.45	11.25	11.39
672	NYSE	NGS	Fri, Jun 24, 2005	11.34	11.40	11.20	11.30
671	NYSE	NGS	Thu, Jun 23, 2005	11.15	11.30	11.15	11.28
670	NYSE	NGS	Wed, Jun 22, 2005	11.09	11.22	11.06	11.18
669	NYSE	NGS	Tue, Jun 21, 2005	11.28	11.28	11.05	11.11
668	NYSE	NGS	Mon, Jun 20, 2005	11.45	11.52	11.33	11.33
667	NYSE	NGS	Fri, Jun 17, 2005	11.42	11.45	11.38	11.41
666	NYSE	NGS	Thu, Jun 16, 2005	11.42	11.50	11.41	11.45
665	NYSE	NGS	Wed, Jun 15, 2005	11.30	11.42	11.25	11.36
664	NYSE	NGS	Tue, Jun 14, 2005	11.25	11.37	11.25	11.31
663	NYSE	NGS	Mon, Jun 13, 2005	11.20	11.30	11.20	11.30
662	NYSE	NGS	Fri, Jun 10, 2005	11.05	11.24	11.05	11.14
661	NYSE	NGS	Thu, Jun 9, 2005	10.56	11.10	10.50	10.99
660	NYSE	NGS	Wed, Jun 8, 2005	10.80	10.80	10.60	10.61
659	NYSE	NGS	Tue, Jun 7, 2005	10.80	10.90	10.67	10.80
658	NYSE	NGS	Mon, Jun 6, 2005	10.80	10.81	10.73	10.81
657	NYSE	NGS	Fri, Jun 3, 2005	10.52	10.85	10.52	10.73
656	NYSE	NGS	Thu, Jun 2, 2005	10.37	10.69	10.37	10.58
655	NYSE	NGS	Wed, Jun 1, 2005	10.29	10.42	10.29	10.35
654	NYSE	NGS	Tue, May 31, 2005	10.35	10.35	10.22	10.29
653	NYSE	NGS	Fri, May 27, 2005	10.33	10.40	10.20	10.37
652	NYSE	NGS	Thu, May 26, 2005	10.25	10.38	10.22	10.38
651	NYSE	NGS	Wed, May 25, 2005	10.30	10.30	10.21	10.22
650	NYSE	NGS	Tue, May 24, 2005	10.40	10.45	10.27	10.27
649	NYSE	NGS	Mon, May 23, 2005	10.18	10.30	10.11	10.30
648	NYSE	NGS	Fri, May 20, 2005	10.26	10.27	10.21	10.25
647	NYSE	NGS	Thu, May 19, 2005	10.34	10.34	10.25	10.26
646	NYSE	NGS	Wed, May 18, 2005	10.18	10.50	10.16	10.35
645	NYSE	NGS	Tue, May 17, 2005	10.18	10.26	10.16	10.23
644	NYSE	NGS	Mon, May 16, 2005	10.20	10.21	10.15	10.20
643	NYSE	NGS	Fri, May 13, 2005	9.93	10.21	9.83	10.20
642	NYSE	NGS	Thu, May 12, 2005	10.05	10.13	9.78	9.85
641	NYSE	NGS	Wed, May 11, 2005	9.91	10.05	9.51	10.05
640	NYSE	NGS	Tue, May 10, 2005	10.20	10.20	10.01	10.01
639	NYSE	NGS	Mon, May 9, 2005	10.29	10.35	10.20	10.25
638	NYSE	NGS	Fri, May 6, 2005	10.22	10.41	10.22	10.30
637	NYSE	NGS	Thu, May 5, 2005	10.25	10.35	10.16	10.26
636	NYSE	NGS	Wed, May 4, 2005	10.27	10.31	10.27	10.31
635	NYSE	NGS	Tue, May 3, 2005	10.31	10.35	10.19	10.35
634	NYSE	NGS	Mon, May 2, 2005	10.20	10.35	10.20	10.35
633	NYSE	NGS	Fri, Apr 29, 2005	9.95	10.25	9.95	10.25
632	NYSE	NGS	Thu, Apr 28, 2005	10.02	10.03	9.93	9.94
631	NYSE	NGS	Wed, Apr 27, 2005	10.36	10.36	10.00	10.02
630	NYSE	NGS	Tue, Apr 26, 2005	10.55	10.55	10.39	10.39
629	NYSE	NGS	Mon, Apr 25, 2005	10.50	10.69	10.48	10.55
628	NYSE	NGS	Fri, Apr 22, 2005	10.67	10.77	10.51	10.56
627	NYSE	NGS	Thu, Apr 21, 2005	10.41	10.67	10.36	10.60
626	NYSE	NGS	Wed, Apr 20, 2005	9.91	10.55	9.91	10.41
625	NYSE	NGS	Tue, Apr 19, 2005	10.48	10.53	9.87	9.96
624	NYSE	NGS	Mon, Apr 18, 2005	10.71	10.71	10.39	10.48
623	NYSE	NGS	Fri, Apr 15, 2005	10.79	10.84	10.70	10.76
622	NYSE	NGS	Thu, Apr 14, 2005	10.60	10.90	10.60	10.70
621	NYSE	NGS	Wed, Apr 13, 2005	10.94	11.00	10.66	10.67
620	NYSE	NGS	Tue, Apr 12, 2005	11.17	11.17	10.94	10.94
619	NYSE	NGS	Mon, Apr 11, 2005	11.38	11.40	11.00	11.07
618	NYSE	NGS	Fri, Apr 8, 2005	11.26	11.52	11.20	11.38
617	NYSE	NGS	Thu, Apr 7, 2005	11.42	11.72	11.20	11.20
616	NYSE	NGS	Wed, Apr 6, 2005	11.70	11.70	11.45	11.48
615	NYSE	NGS	Tue, Apr 5, 2005	11.68	11.90	11.68	11.70
614	NYSE	NGS	Mon, Apr 4, 2005	11.30	11.85	11.30	11.65
613	NYSE	NGS	Fri, Apr 1, 2005	10.99	11.33	10.99	11.25
612	NYSE	NGS	Thu, Mar 31, 2005	10.79	10.99	10.79	10.99
611	NYSE	NGS	Wed, Mar 30, 2005	10.75	10.90	10.61	10.71
610	NYSE	NGS	Tue, Mar 29, 2005	10.64	11.00	10.64	10.85
609	NYSE	NGS	Mon, Mar 28, 2005	10.74	10.80	10.48	10.60
608	NYSE	NGS	Thu, Mar 24, 2005	10.80	10.90	10.75	10.75
607	NYSE	NGS	Wed, Mar 23, 2005	10.90	10.92	10.66	10.76
606	NYSE	NGS	Tue, Mar 22, 2005	11.05	11.06	10.90	10.97
605	NYSE	NGS	Mon, Mar 21, 2005	10.98	11.11	10.77	11.04
604	NYSE	NGS	Fri, Mar 18, 2005	10.94	11.00	10.85	10.95
603	NYSE	NGS	Thu, Mar 17, 2005	10.70	10.89	10.69	10.74
602	NYSE	NGS	Wed, Mar 16, 2005	10.70	10.70	10.60	10.69
601	NYSE	NGS	Tue, Mar 15, 2005	10.52	10.70	10.52	10.68
600	NYSE	NGS	Mon, Mar 14, 2005	10.25	10.65	10.25	10.49
599	NYSE	NGS	Fri, Mar 11, 2005	10.25	10.32	10.19	10.24
598	NYSE	NGS	Thu, Mar 10, 2005	10.37	10.43	10.10	10.24
597	NYSE	NGS	Wed, Mar 9, 2005	10.34	10.50	10.34	10.37
596	NYSE	NGS	Tue, Mar 8, 2005	10.63	10.66	10.36	10.42
595	NYSE	NGS	Mon, Mar 7, 2005	10.78	10.80	10.60	10.60
594	NYSE	NGS	Fri, Mar 4, 2005	10.70	11.00	10.63	10.78
593	NYSE	NGS	Thu, Mar 3, 2005	10.70	10.70	10.51	10.70
592	NYSE	NGS	Wed, Mar 2, 2005	10.60	10.73	10.44	10.69
591	NYSE	NGS	Tue, Mar 1, 2005	10.46	10.70	10.46	10.64
590	NYSE	NGS	Mon, Feb 28, 2005	10.40	10.80	10.24	10.66
589	NYSE	NGS	Fri, Feb 25, 2005	10.01	10.45	10.01	10.41
588	NYSE	NGS	Thu, Feb 24, 2005	10.11	10.30	9.96	9.97
587	NYSE	NGS	Wed, Feb 23, 2005	10.27	10.27	9.90	10.05
586	NYSE	NGS	Tue, Feb 22, 2005	10.18	10.24	10.05	10.12
585	NYSE	NGS	Fri, Feb 18, 2005	9.81	10.50	9.80	10.18
584	NYSE	NGS	Thu, Feb 17, 2005	10.10	10.10	9.89	9.89
583	NYSE	NGS	Wed, Feb 16, 2005	10.05	10.06	9.99	10.02
582	NYSE	NGS	Tue, Feb 15, 2005	10.02	10.26	10.02	10.05
581	NYSE	NGS	Mon, Feb 14, 2005	10.08	10.10	9.99	10.00
580	NYSE	NGS	Fri, Feb 11, 2005	9.84	10.19	9.84	10.02
579	NYSE	NGS	Thu, Feb 10, 2005	9.80	9.83	9.75	9.77
578	NYSE	NGS	Wed, Feb 9, 2005	9.81	9.97	9.75	9.79
577	NYSE	NGS	Tue, Feb 8, 2005	10.06	10.21	9.87	9.87
576	NYSE	NGS	Mon, Feb 7, 2005	10.38	10.38	10.05	10.15
575	NYSE	NGS	Fri, Feb 4, 2005	9.75	10.39	9.75	10.25
574	NYSE	NGS	Thu, Feb 3, 2005	9.75	9.77	9.70	9.74
573	NYSE	NGS	Wed, Feb 2, 2005	9.74	9.76	9.63	9.76
572	NYSE	NGS	Tue, Feb 1, 2005	9.53	9.75	9.50	9.71
571	NYSE	NGS	Mon, Jan 31, 2005	9.39	9.52	9.39	9.52
570	NYSE	NGS	Fri, Jan 28, 2005	9.29	9.44	9.29	9.44
569	NYSE	NGS	Thu, Jan 27, 2005	9.38	9.38	9.30	9.30
568	NYSE	NGS	Wed, Jan 26, 2005	9.74	9.74	9.16	9.38
567	NYSE	NGS	Tue, Jan 25, 2005	9.64	9.74	9.59	9.69
566	NYSE	NGS	Mon, Jan 24, 2005	9.70	9.73	9.60	9.64
565	NYSE	NGS	Fri, Jan 21, 2005	9.43	9.65	9.43	9.63
564	NYSE	NGS	Thu, Jan 20, 2005	9.65	9.65	9.33	9.41
563	NYSE	NGS	Wed, Jan 19, 2005	9.60	9.75	9.60	9.65
562	NYSE	NGS	Tue, Jan 18, 2005	9.36	9.67	9.36	9.62
561	NYSE	NGS	Fri, Jan 14, 2005	9.25	9.45	9.25	9.34
560	NYSE	NGS	Thu, Jan 13, 2005	9.20	9.29	9.15	9.22
559	NYSE	NGS	Wed, Jan 12, 2005	9.17	9.21	9.12	9.15
558	NYSE	NGS	Tue, Jan 11, 2005	9.26	9.26	9.11	9.25
557	NYSE	NGS	Mon, Jan 10, 2005	9.28	9.30	9.25	9.26
556	NYSE	NGS	Fri, Jan 7, 2005	9.25	9.28	9.25	9.26
555	NYSE	NGS	Thu, Jan 6, 2005	9.17	9.29	9.14	9.29
554	NYSE	NGS	Wed, Jan 5, 2005	9.17	9.26	9.12	9.17
553	NYSE	NGS	Tue, Jan 4, 2005	9.40	9.40	9.08	9.08
552	NYSE	NGS	Mon, Jan 3, 2005	9.52	9.66	9.26	9.26
551	NYSE	NGS	Fri, Dec 31, 2004	9.29	9.46	9.29	9.43
550	NYSE	NGS	Thu, Dec 30, 2004	9.40	9.43	9.35	9.37
549	NYSE	NGS	Wed, Dec 29, 2004	9.43	9.43	9.30	9.31
548	NYSE	NGS	Tue, Dec 28, 2004	9.22	9.42	9.20	9.36
547	NYSE	NGS	Mon, Dec 27, 2004	9.28	9.29	9.07	9.20
546	NYSE	NGS	Thu, Dec 23, 2004	9.12	9.32	9.12	9.30
545	NYSE	NGS	Wed, Dec 22, 2004	9.00	9.15	9.00	9.15
544	NYSE	NGS	Tue, Dec 21, 2004	9.07	9.07	9.01	9.03
543	NYSE	NGS	Mon, Dec 20, 2004	9.10	9.10	8.98	9.10
542	NYSE	NGS	Fri, Dec 17, 2004	9.15	9.15	9.05	9.06
541	NYSE	NGS	Thu, Dec 16, 2004	9.05	9.18	9.05	9.16
540	NYSE	NGS	Wed, Dec 15, 2004	9.10	9.19	9.01	9.03
539	NYSE	NGS	Tue, Dec 14, 2004	9.00	9.05	9.00	9.05
538	NYSE	NGS	Mon, Dec 13, 2004	9.03	9.06	9.01	9.04
537	NYSE	NGS	Fri, Dec 10, 2004	9.09	9.10	9.00	9.08
536	NYSE	NGS	Thu, Dec 9, 2004	8.80	9.05	8.80	9.00
535	NYSE	NGS	Wed, Dec 8, 2004	8.76	8.82	8.74	8.80
534	NYSE	NGS	Tue, Dec 7, 2004	9.09	9.09	8.72	8.75
533	NYSE	NGS	Mon, Dec 6, 2004	9.15	9.15	9.12	9.12
532	NYSE	NGS	Fri, Dec 3, 2004	9.13	9.16	9.11	9.13
531	NYSE	NGS	Thu, Dec 2, 2004	9.11	9.23	9.10	9.13
530	NYSE	NGS	Wed, Dec 1, 2004	9.05	9.11	8.95	9.11
529	NYSE	NGS	Tue, Nov 30, 2004	9.20	9.22	9.05	9.05
528	NYSE	NGS	Mon, Nov 29, 2004	9.43	9.43	9.18	9.18
527	NYSE	NGS	Fri, Nov 26, 2004	9.42	9.43	9.39	9.43
526	NYSE	NGS	Wed, Nov 24, 2004	9.38	9.40	9.35	9.39
525	NYSE	NGS	Tue, Nov 23, 2004	9.26	9.35	9.21	9.35
524	NYSE	NGS	Mon, Nov 22, 2004	9.30	9.30	9.19	9.26
523	NYSE	NGS	Fri, Nov 19, 2004	9.20	9.30	9.20	9.22
522	NYSE	NGS	Thu, Nov 18, 2004	9.08	9.29	9.05	9.18
521	NYSE	NGS	Wed, Nov 17, 2004	8.95	9.08	8.90	9.05
520	NYSE	NGS	Tue, Nov 16, 2004	8.98	8.99	8.75	8.96
519	NYSE	NGS	Mon, Nov 15, 2004	9.09	9.10	8.97	9.00
518	NYSE	NGS	Fri, Nov 12, 2004	8.83	9.10	8.70	9.07
517	NYSE	NGS	Thu, Nov 11, 2004	8.65	8.83	8.58	8.79
516	NYSE	NGS	Wed, Nov 10, 2004	8.70	8.70	8.65	8.70
515	NYSE	NGS	Tue, Nov 9, 2004	8.60	8.70	8.60	8.70
514	NYSE	NGS	Mon, Nov 8, 2004	8.75	8.75	8.35	8.60
513	NYSE	NGS	Fri, Nov 5, 2004	8.70	8.75	8.60	8.74
512	NYSE	NGS	Thu, Nov 4, 2004	8.39	8.70	8.35	8.70
511	NYSE	NGS	Wed, Nov 3, 2004	8.09	8.43	8.09	8.39
510	NYSE	NGS	Tue, Nov 2, 2004	8.15	8.15	7.95	8.09
509	NYSE	NGS	Mon, Nov 1, 2004	8.15	8.31	8.05	8.14
508	NYSE	NGS	Fri, Oct 29, 2004	8.10	8.40	8.10	8.40
507	NYSE	NGS	Thu, Oct 28, 2004	8.25	8.25	8.04	8.11
506	NYSE	NGS	Wed, Oct 27, 2004	8.39	8.40	8.20	8.29
505	NYSE	NGS	Tue, Oct 26, 2004	8.40	8.40	8.06	8.28
504	NYSE	NGS	Mon, Oct 25, 2004	8.50	8.50	8.47	8.47
503	NYSE	NGS	Fri, Oct 22, 2004	8.65	8.65	8.50	8.54
502	NYSE	NGS	Thu, Oct 21, 2004	8.69	8.74	8.60	8.74
501	NYSE	NGS	Wed, Oct 20, 2004	8.65	8.75	8.65	8.68
500	NYSE	NGS	Tue, Oct 19, 2004	8.30	8.65	8.29	8.55
499	NYSE	NGS	Mon, Oct 18, 2004	8.00	8.23	8.00	8.23
498	NYSE	NGS	Fri, Oct 15, 2004	8.02	8.12	8.00	8.09
497	NYSE	NGS	Thu, Oct 14, 2004	8.18	8.19	8.10	8.10
496	NYSE	NGS	Wed, Oct 13, 2004	8.20	8.20	8.02	8.07
495	NYSE	NGS	Tue, Oct 12, 2004	8.29	8.32	8.25	8.29
494	NYSE	NGS	Mon, Oct 11, 2004	8.22	8.30	8.20	8.23
493	NYSE	NGS	Fri, Oct 8, 2004	8.30	8.35	8.30	8.32
492	NYSE	NGS	Thu, Oct 7, 2004	8.40	8.40	8.34	8.35
491	NYSE	NGS	Wed, Oct 6, 2004	8.40	8.40	8.25	8.35
490	NYSE	NGS	Tue, Oct 5, 2004	8.15	8.40	8.15	8.40
489	NYSE	NGS	Mon, Oct 4, 2004	8.29	8.30	8.25	8.30
488	NYSE	NGS	Fri, Oct 1, 2004	8.30	8.30	8.28	8.28
487	NYSE	NGS	Thu, Sep 30, 2004	7.90	8.30	7.90	8.29
486	NYSE	NGS	Wed, Sep 29, 2004	7.80	7.90	7.75	7.89
485	NYSE	NGS	Tue, Sep 28, 2004	7.49	7.69	7.49	7.60
484	NYSE	NGS	Mon, Sep 27, 2004	7.30	7.50	7.30	7.49
483	NYSE	NGS	Fri, Sep 24, 2004	7.46	7.48	7.42	7.45
482	NYSE	NGS	Thu, Sep 23, 2004	7.50	7.52	7.45	7.52
481	NYSE	NGS	Wed, Sep 22, 2004	7.21	7.40	7.21	7.40
480	NYSE	NGS	Tue, Sep 21, 2004	7.20	7.30	7.20	7.25
479	NYSE	NGS	Mon, Sep 20, 2004	7.60	7.60	7.26	7.30
478	NYSE	NGS	Fri, Sep 17, 2004	7.51	7.70	7.51	7.70
477	NYSE	NGS	Thu, Sep 16, 2004	7.96	7.96	7.50	7.50
476	NYSE	NGS	Wed, Sep 15, 2004	7.85	7.98	7.85	7.96
475	NYSE	NGS	Tue, Sep 14, 2004	8.03	8.03	7.90	7.99
474	NYSE	NGS	Mon, Sep 13, 2004	8.10	8.16	8.05	8.05
473	NYSE	NGS	Fri, Sep 10, 2004	8.05	8.13	8.05	8.10
472	NYSE	NGS	Thu, Sep 9, 2004	8.05	8.14	8.04	8.14
471	NYSE	NGS	Wed, Sep 8, 2004	8.08	8.20	8.05	8.06
470	NYSE	NGS	Tue, Sep 7, 2004	7.95	8.15	7.95	8.10
469	NYSE	NGS	Fri, Sep 3, 2004	7.89	7.94	7.80	7.91
468	NYSE	NGS	Thu, Sep 2, 2004	7.78	7.89	7.78	7.89
467	NYSE	NGS	Wed, Sep 1, 2004	7.45	7.74	7.45	7.74
466	NYSE	NGS	Tue, Aug 31, 2004	7.46	7.51	7.45	7.51
465	NYSE	NGS	Mon, Aug 30, 2004	7.45	7.48	7.40	7.46
464	NYSE	NGS	Fri, Aug 27, 2004	7.45	7.46	7.42	7.46
463	NYSE	NGS	Thu, Aug 26, 2004	7.41	7.45	7.41	7.43
462	NYSE	NGS	Wed, Aug 25, 2004	7.25	7.50	7.25	7.41
461	NYSE	NGS	Tue, Aug 24, 2004	7.41	7.41	7.11	7.12
460	NYSE	NGS	Mon, Aug 23, 2004	7.40	7.55	7.40	7.41
459	NYSE	NGS	Fri, Aug 20, 2004	7.25	7.47	7.12	7.21
458	NYSE	NGS	Thu, Aug 19, 2004	7.30	7.48	7.30	7.38
457	NYSE	NGS	Wed, Aug 18, 2004	7.55	7.55	7.25	7.30
456	NYSE	NGS	Tue, Aug 17, 2004	7.50	7.59	7.46	7.46
455	NYSE	NGS	Mon, Aug 16, 2004	7.64	7.64	7.37	7.50
454	NYSE	NGS	Fri, Aug 13, 2004	7.71	7.79	7.60	7.64
453	NYSE	NGS	Thu, Aug 12, 2004	7.66	7.78	7.66	7.71
452	NYSE	NGS	Wed, Aug 11, 2004	7.55	7.74	7.50	7.65
451	NYSE	NGS	Tue, Aug 10, 2004	7.41	7.45	7.16	7.45
450	NYSE	NGS	Mon, Aug 9, 2004	8.12	8.17	6.90	7.41
449	NYSE	NGS	Fri, Aug 6, 2004	8.10	8.30	8.10	8.12
448	NYSE	NGS	Thu, Aug 5, 2004	8.50	8.60	8.25	8.33
447	NYSE	NGS	Wed, Aug 4, 2004	8.75	8.75	8.65	8.69
446	NYSE	NGS	Tue, Aug 3, 2004	9.35	9.35	8.45	8.75
445	NYSE	NGS	Mon, Aug 2, 2004	9.45	9.45	9.20	9.35
444	NYSE	NGS	Fri, Jul 30, 2004	9.20	9.60	9.20	9.45
443	NYSE	NGS	Thu, Jul 29, 2004	9.29	9.30	9.20	9.29
442	NYSE	NGS	Wed, Jul 28, 2004	9.25	9.35	9.21	9.25
441	NYSE	NGS	Tue, Jul 27, 2004	9.00	9.19	9.00	9.12
440	NYSE	NGS	Mon, Jul 26, 2004	9.15	9.20	9.00	9.02
439	NYSE	NGS	Fri, Jul 23, 2004	9.05	9.29	9.05	9.28
438	NYSE	NGS	Thu, Jul 22, 2004	9.35	9.35	9.00	9.13
437	NYSE	NGS	Wed, Jul 21, 2004	8.95	9.40	8.95	9.38
436	NYSE	NGS	Tue, Jul 20, 2004	8.94	9.20	8.94	9.03
435	NYSE	NGS	Mon, Jul 19, 2004	8.98	8.99	8.85	8.88
434	NYSE	NGS	Fri, Jul 16, 2004	9.10	9.10	8.94	8.94
433	NYSE	NGS	Thu, Jul 15, 2004	9.03	9.17	9.00	9.10
432	NYSE	NGS	Wed, Jul 14, 2004	8.95	9.05	8.89	8.99
431	NYSE	NGS	Tue, Jul 13, 2004	9.10	9.10	8.90	8.97
430	NYSE	NGS	Mon, Jul 12, 2004	8.88	9.19	8.88	9.19
429	NYSE	NGS	Fri, Jul 9, 2004	8.95	8.96	8.85	8.92
428	NYSE	NGS	Thu, Jul 8, 2004	9.00	9.38	9.00	9.12
427	NYSE	NGS	Wed, Jul 7, 2004	8.82	8.95	8.70	8.95
426	NYSE	NGS	Tue, Jul 6, 2004	8.84	8.84	8.60	8.79
425	NYSE	NGS	Fri, Jul 2, 2004	8.64	8.84	8.64	8.83
424	NYSE	NGS	Thu, Jul 1, 2004	8.20	8.68	8.20	8.65
423	NYSE	NGS	Wed, Jun 30, 2004	8.20	8.60	8.11	8.38
422	NYSE	NGS	Tue, Jun 29, 2004	8.70	8.76	8.25	8.30
421	NYSE	NGS	Mon, Jun 28, 2004	8.90	8.90	8.75	8.78
420	NYSE	NGS	Fri, Jun 25, 2004	8.85	8.98	8.84	8.89
419	NYSE	NGS	Thu, Jun 24, 2004	8.40	8.85	8.35	8.81
418	NYSE	NGS	Wed, Jun 23, 2004	8.51	8.54	8.41	8.46
417	NYSE	NGS	Tue, Jun 22, 2004	8.50	8.55	8.50	8.54
416	NYSE	NGS	Mon, Jun 21, 2004	8.35	8.51	8.35	8.50
415	NYSE	NGS	Fri, Jun 18, 2004	8.30	8.65	8.26	8.47
414	NYSE	NGS	Thu, Jun 17, 2004	8.19	8.36	8.16	8.30
413	NYSE	NGS	Wed, Jun 16, 2004	8.05	8.27	8.00	8.20
412	NYSE	NGS	Tue, Jun 15, 2004	8.12	8.20	7.75	7.95
411	NYSE	NGS	Mon, Jun 14, 2004	8.60	8.60	8.11	8.12
410	NYSE	NGS	Thu, Jun 10, 2004	8.45	8.70	8.40	8.60
409	NYSE	NGS	Wed, Jun 9, 2004	8.85	9.00	8.60	8.70
408	NYSE	NGS	Tue, Jun 8, 2004	8.75	8.76	8.51	8.60
407	NYSE	NGS	Mon, Jun 7, 2004	9.00	9.09	8.75	8.80
406	NYSE	NGS	Fri, Jun 4, 2004	9.03	9.25	8.75	9.25
405	NYSE	NGS	Thu, Jun 3, 2004	9.31	9.35	9.10	9.28
404	NYSE	NGS	Wed, Jun 2, 2004	9.15	9.35	9.15	9.35
403	NYSE	NGS	Tue, Jun 1, 2004	8.99	9.32	8.30	9.14
402	NYSE	NGS	Fri, May 28, 2004	8.70	8.93	8.66	8.93
401	NYSE	NGS	Thu, May 27, 2004	8.35	8.75	8.35	8.70
400	NYSE	NGS	Wed, May 26, 2004	8.55	8.56	8.15	8.33
399	NYSE	NGS	Tue, May 25, 2004	8.87	9.15	8.52	8.75
398	NYSE	NGS	Mon, May 24, 2004	9.10	9.10	8.69	8.85
397	NYSE	NGS	Fri, May 21, 2004	9.39	9.39	8.50	8.94
396	NYSE	NGS	Thu, May 20, 2004	9.25	9.40	9.00	9.30
395	NYSE	NGS	Wed, May 19, 2004	9.39	9.40	9.25	9.33
394	NYSE	NGS	Tue, May 18, 2004	9.40	9.55	9.26	9.40
393	NYSE	NGS	Mon, May 17, 2004	9.41	9.50	9.38	9.40
392	NYSE	NGS	Fri, May 14, 2004	9.55	9.55	9.40	9.50
391	NYSE	NGS	Thu, May 13, 2004	9.37	9.65	9.35	9.54
390	NYSE	NGS	Wed, May 12, 2004	9.70	9.70	9.26	9.37
389	NYSE	NGS	Tue, May 11, 2004	9.65	9.80	9.60	9.70
388	NYSE	NGS	Mon, May 10, 2004	9.81	9.81	9.25	9.45
387	NYSE	NGS	Fri, May 7, 2004	9.80	9.90	9.77	9.80
386	NYSE	NGS	Thu, May 6, 2004	9.84	9.84	9.75	9.84
385	NYSE	NGS	Wed, May 5, 2004	10.04	10.05	9.50	9.85
384	NYSE	NGS	Tue, May 4, 2004	9.69	10.19	9.60	10.04
383	NYSE	NGS	Mon, May 3, 2004	9.30	9.51	9.15	9.51
382	NYSE	NGS	Fri, Apr 30, 2004	8.75	9.25	8.50	9.25
381	NYSE	NGS	Thu, Apr 29, 2004	9.24	9.30	8.90	9.00
380	NYSE	NGS	Wed, Apr 28, 2004	9.74	9.79	8.75	9.13
379	NYSE	NGS	Tue, Apr 27, 2004	9.25	9.75	9.20	9.73
378	NYSE	NGS	Mon, Apr 26, 2004	8.44	9.10	8.40	9.01
377	NYSE	NGS	Fri, Apr 23, 2004	8.30	8.30	7.75	8.19
376	NYSE	NGS	Thu, Apr 22, 2004	8.04	8.34	8.04	8.25
375	NYSE	NGS	Wed, Apr 21, 2004	7.68	8.15	7.65	8.01
374	NYSE	NGS	Tue, Apr 20, 2004	7.60	7.68	7.60	7.60
373	NYSE	NGS	Mon, Apr 19, 2004	7.65	7.69	7.55	7.62
372	NYSE	NGS	Fri, Apr 16, 2004	7.64	7.64	7.50	7.58
371	NYSE	NGS	Thu, Apr 15, 2004	7.55	7.55	7.40	7.50
370	NYSE	NGS	Wed, Apr 14, 2004	7.60	7.60	7.50	7.51
369	NYSE	NGS	Tue, Apr 13, 2004	7.79	7.84	7.51	7.69
368	NYSE	NGS	Mon, Apr 12, 2004	7.83	7.83	7.76	7.79
367	NYSE	NGS	Thu, Apr 8, 2004	7.70	7.84	7.65	7.79
366	NYSE	NGS	Wed, Apr 7, 2004	7.50	7.88	7.49	7.80
365	NYSE	NGS	Tue, Apr 6, 2004	7.26	7.55	7.25	7.50
364	NYSE	NGS	Mon, Apr 5, 2004	7.20	7.34	7.18	7.34
363	NYSE	NGS	Fri, Apr 2, 2004	7.20	7.22	7.12	7.22
362	NYSE	NGS	Thu, Apr 1, 2004	7.10	7.20	7.10	7.20
361	NYSE	NGS	Wed, Mar 31, 2004	6.90	7.12	6.90	7.10
360	NYSE	NGS	Tue, Mar 30, 2004	6.60	6.90	6.60	6.90
359	NYSE	NGS	Mon, Mar 29, 2004	6.69	6.69	6.55	6.60
358	NYSE	NGS	Fri, Mar 26, 2004	6.70	6.85	6.60	6.69
357	NYSE	NGS	Thu, Mar 25, 2004	6.75	6.80	6.61	6.62
356	NYSE	NGS	Wed, Mar 24, 2004	6.85	6.85	6.75	6.75
355	NYSE	NGS	Tue, Mar 23, 2004	6.84	6.85	6.75	6.84
354	NYSE	NGS	Mon, Mar 22, 2004	6.90	6.94	6.84	6.85
353	NYSE	NGS	Fri, Mar 19, 2004	7.14	7.14	6.83	6.98
352	NYSE	NGS	Thu, Mar 18, 2004	7.15	7.15	7.00	7.09
351	NYSE	NGS	Wed, Mar 17, 2004	6.60	7.25	6.60	7.05
350	NYSE	NGS	Tue, Mar 16, 2004	6.75	6.85	6.65	6.85
349	NYSE	NGS	Mon, Mar 15, 2004	6.62	6.75	6.60	6.70
348	NYSE	NGS	Fri, Mar 12, 2004	6.60	6.60	6.59	6.60
347	NYSE	NGS	Thu, Mar 11, 2004	6.70	6.75	6.55	6.56
346	NYSE	NGS	Wed, Mar 10, 2004	6.90	7.00	6.70	6.71
345	NYSE	NGS	Tue, Mar 9, 2004	7.00	7.19	6.90	6.90
344	NYSE	NGS	Mon, Mar 8, 2004	7.00	7.20	6.85	7.10
343	NYSE	NGS	Fri, Mar 5, 2004	6.60	6.85	6.60	6.85
342	NYSE	NGS	Thu, Mar 4, 2004	6.89	6.89	6.72	6.85
341	NYSE	NGS	Wed, Mar 3, 2004	6.90	7.10	6.75	6.82
340	NYSE	NGS	Tue, Mar 2, 2004	7.35	7.45	6.90	6.95
339	NYSE	NGS	Mon, Mar 1, 2004	6.40	7.20	6.40	7.20
338	NYSE	NGS	Fri, Feb 27, 2004	6.18	6.21	6.16	6.20
337	NYSE	NGS	Thu, Feb 26, 2004	6.20	6.28	6.17	6.18
336	NYSE	NGS	Wed, Feb 25, 2004	6.16	6.20	6.15	6.20
335	NYSE	NGS	Tue, Feb 24, 2004	6.05	6.19	6.05	6.15
334	NYSE	NGS	Mon, Feb 23, 2004	6.20	6.31	6.05	6.14
333	NYSE	NGS	Fri, Feb 20, 2004	6.30	6.30	6.01	6.30
332	NYSE	NGS	Thu, Feb 19, 2004	6.26	6.30	6.11	6.30
331	NYSE	NGS	Wed, Feb 18, 2004	6.40	6.40	6.31	6.31
330	NYSE	NGS	Tue, Feb 17, 2004	6.40	6.40	6.20	6.39
329	NYSE	NGS	Fri, Feb 13, 2004	6.35	6.35	6.25	6.29
328	NYSE	NGS	Thu, Feb 12, 2004	6.26	6.40	6.16	6.25
327	NYSE	NGS	Wed, Feb 11, 2004	6.39	6.39	6.17	6.17
326	NYSE	NGS	Tue, Feb 10, 2004	6.35	6.53	6.35	6.35
325	NYSE	NGS	Mon, Feb 9, 2004	6.05	6.24	5.98	6.22
324	NYSE	NGS	Fri, Feb 6, 2004	5.96	5.99	5.90	5.95
323	NYSE	NGS	Thu, Feb 5, 2004	5.90	6.00	5.90	6.00
322	NYSE	NGS	Wed, Feb 4, 2004	6.00	6.00	5.90	5.91
321	NYSE	NGS	Tue, Feb 3, 2004	5.90	6.00	5.90	6.00
320	NYSE	NGS	Mon, Feb 2, 2004	5.99	5.99	5.92	5.93
319	NYSE	NGS	Fri, Jan 30, 2004	5.59	5.99	5.59	5.95
318	NYSE	NGS	Thu, Jan 29, 2004	5.45	5.68	5.40	5.50
317	NYSE	NGS	Wed, Jan 28, 2004	5.76	5.76	5.40	5.43
316	NYSE	NGS	Tue, Jan 27, 2004	5.85	5.85	5.71	5.75
315	NYSE	NGS	Mon, Jan 26, 2004	5.84	5.84	5.71	5.75
314	NYSE	NGS	Fri, Jan 23, 2004	5.80	5.80	5.76	5.76
313	NYSE	NGS	Thu, Jan 22, 2004	5.60	5.75	5.60	5.72
312	NYSE	NGS	Wed, Jan 21, 2004	5.99	5.99	5.70	5.70
311	NYSE	NGS	Tue, Jan 20, 2004	5.64	5.95	5.64	5.95
310	NYSE	NGS	Fri, Jan 16, 2004	5.65	5.65	5.55	5.65
309	NYSE	NGS	Thu, Jan 15, 2004	5.68	5.68	5.65	5.68
308	NYSE	NGS	Wed, Jan 14, 2004	5.62	5.74	5.60	5.70
307	NYSE	NGS	Tue, Jan 13, 2004	5.50	5.69	5.50	5.69
306	NYSE	NGS	Mon, Jan 12, 2004	5.50	5.66	5.50	5.60
305	NYSE	NGS	Fri, Jan 9, 2004	5.41	5.61	5.40	5.60
304	NYSE	NGS	Thu, Jan 8, 2004	5.44	5.55	5.35	5.41
303	NYSE	NGS	Wed, Jan 7, 2004	5.47	5.50	5.35	5.50
302	NYSE	NGS	Tue, Jan 6, 2004	5.50	5.50	5.40	5.42
301	NYSE	NGS	Mon, Jan 5, 2004	5.54	5.54	5.45	5.50
300	NYSE	NGS	Fri, Jan 2, 2004	5.55	5.59	5.45	5.53
299	NYSE	NGS	Wed, Dec 31, 2003	5.50	5.55	5.45	5.55
298	NYSE	NGS	Tue, Dec 30, 2003	5.80	5.80	5.25	5.44
297	NYSE	NGS	Mon, Dec 29, 2003	5.98	5.98	5.80	5.85
296	NYSE	NGS	Fri, Dec 26, 2003	5.99	5.99	5.95	5.97
295	NYSE	NGS	Wed, Dec 24, 2003	5.97	5.98	5.96	5.96
294	NYSE	NGS	Tue, Dec 23, 2003	5.90	5.97	5.90	5.97
293	NYSE	NGS	Mon, Dec 22, 2003	5.83	5.95	5.80	5.95
292	NYSE	NGS	Fri, Dec 19, 2003	5.73	5.88	5.73	5.79
291	NYSE	NGS	Thu, Dec 18, 2003	5.53	5.70	5.51	5.70
290	NYSE	NGS	Wed, Dec 17, 2003	5.43	5.49	5.31	5.49
289	NYSE	NGS	Tue, Dec 16, 2003	5.39	5.44	5.31	5.44
288	NYSE	NGS	Mon, Dec 15, 2003	5.59	5.65	5.32	5.35
287	NYSE	NGS	Fri, Dec 12, 2003	5.63	5.63	5.59	5.60
286	NYSE	NGS	Thu, Dec 11, 2003	5.50	5.72	5.30	5.63
285	NYSE	NGS	Wed, Dec 10, 2003	5.56	5.65	5.56	5.60
284	NYSE	NGS	Tue, Dec 9, 2003	5.73	5.73	5.62	5.65
283	NYSE	NGS	Mon, Dec 8, 2003	5.78	5.78	5.70	5.71
282	NYSE	NGS	Fri, Dec 5, 2003	5.88	5.88	5.72	5.73
281	NYSE	NGS	Thu, Dec 4, 2003	5.59	5.74	5.54	5.74
280	NYSE	NGS	Wed, Dec 3, 2003	5.51	5.69	5.51	5.58
279	NYSE	NGS	Tue, Dec 2, 2003	5.55	5.55	5.50	5.50
278	NYSE	NGS	Mon, Dec 1, 2003	5.60	5.60	5.54	5.55
277	NYSE	NGS	Wed, Nov 26, 2003	5.71	5.71	5.65	5.66
276	NYSE	NGS	Tue, Nov 25, 2003	5.84	5.85	5.75	5.75
275	NYSE	NGS	Mon, Nov 24, 2003	5.85	5.85	5.75	5.75
274	NYSE	NGS	Fri, Nov 21, 2003	5.80	5.85	5.80	5.81
273	NYSE	NGS	Thu, Nov 20, 2003	5.93	5.95	5.85	5.85
272	NYSE	NGS	Wed, Nov 19, 2003	5.83	6.00	5.75	5.95
271	NYSE	NGS	Tue, Nov 18, 2003	5.86	5.86	5.61	5.75
270	NYSE	NGS	Mon, Nov 17, 2003	5.95	5.95	5.80	5.86
269	NYSE	NGS	Fri, Nov 14, 2003	5.87	6.00	5.85	5.93
268	NYSE	NGS	Thu, Nov 13, 2003	5.75	5.85	5.75	5.85
267	NYSE	NGS	Wed, Nov 12, 2003	5.76	5.79	5.75	5.79
266	NYSE	NGS	Tue, Nov 11, 2003	5.80	5.80	5.75	5.75
265	NYSE	NGS	Mon, Nov 10, 2003	5.81	5.82	5.80	5.82
264	NYSE	NGS	Fri, Nov 7, 2003	5.77	5.80	5.77	5.80
263	NYSE	NGS	Thu, Nov 6, 2003	5.80	5.80	5.80	5.80
262	NYSE	NGS	Wed, Nov 5, 2003	5.76	5.85	5.75	5.85
261	NYSE	NGS	Tue, Nov 4, 2003	5.82	5.82	5.80	5.80
260	NYSE	NGS	Mon, Nov 3, 2003	5.75	5.85	5.75	5.85
259	NYSE	NGS	Fri, Oct 31, 2003	5.50	5.76	5.50	5.76
258	NYSE	NGS	Thu, Oct 30, 2003	5.90	5.94	5.50	5.50
257	NYSE	NGS	Wed, Oct 29, 2003	5.83	5.89	5.75	5.88
256	NYSE	NGS	Tue, Oct 28, 2003	5.75	5.75	5.75	5.75
255	NYSE	NGS	Mon, Oct 27, 2003	5.90	5.90	5.74	5.74
254	NYSE	NGS	Fri, Oct 24, 2003	5.91	5.91	5.89	5.90
253	NYSE	NGS	Thu, Oct 23, 2003	6.00	6.00	5.90	5.90
252	NYSE	NGS	Wed, Oct 22, 2003	5.90	5.95	5.90	5.95
251	NYSE	NGS	Tue, Oct 21, 2003	5.91	5.93	5.90	5.90
250	NYSE	NGS	Mon, Oct 20, 2003	5.95	5.95	5.90	5.91
249	NYSE	NGS	Fri, Oct 17, 2003	5.96	5.96	5.96	5.96
248	NYSE	NGS	Thu, Oct 16, 2003	5.90	6.00	5.90	5.99
247	NYSE	NGS	Wed, Oct 15, 2003	6.18	6.18	5.90	5.90
246	NYSE	NGS	Tue, Oct 14, 2003	6.14	6.15	6.10	6.10
245	NYSE	NGS	Mon, Oct 13, 2003	6.15	6.24	6.11	6.11
244	NYSE	NGS	Fri, Oct 10, 2003	6.15	6.20	6.11	6.15
243	NYSE	NGS	Thu, Oct 9, 2003	5.85	6.14	5.85	6.10
242	NYSE	NGS	Wed, Oct 8, 2003	6.19	6.19	6.00	6.01
241	NYSE	NGS	Tue, Oct 7, 2003	5.95	6.15	5.95	6.15
240	NYSE	NGS	Mon, Oct 6, 2003	6.05	6.10	5.80	6.00
239	NYSE	NGS	Fri, Oct 3, 2003	6.00	6.15	5.80	6.15
238	NYSE	NGS	Thu, Oct 2, 2003	5.99	6.00	5.90	6.00
237	NYSE	NGS	Wed, Oct 1, 2003	5.80	5.99	5.79	5.99
236	NYSE	NGS	Tue, Sep 30, 2003	5.83	5.83	5.83	5.83
235	NYSE	NGS	Mon, Sep 29, 2003	5.91	5.98	5.82	5.82
234	NYSE	NGS	Fri, Sep 26, 2003	5.76	5.90	5.75	5.90
233	NYSE	NGS	Thu, Sep 25, 2003	6.00	6.00	5.76	5.90
232	NYSE	NGS	Wed, Sep 24, 2003	5.98	5.99	5.80	5.80
231	NYSE	NGS	Tue, Sep 23, 2003	6.00	6.00	5.95	5.97
230	NYSE	NGS	Mon, Sep 22, 2003	6.00	6.29	5.91	6.15
229	NYSE	NGS	Fri, Sep 19, 2003	6.31	6.31	6.00	6.10
228	NYSE	NGS	Thu, Sep 18, 2003	6.45	6.45	6.45	6.45
227	NYSE	NGS	Wed, Sep 17, 2003	6.40	6.50	6.16	6.40
226	NYSE	NGS	Tue, Sep 16, 2003	6.55	6.55	6.50	6.50
225	NYSE	NGS	Mon, Sep 15, 2003	6.25	6.30	6.25	6.30
224	NYSE	NGS	Fri, Sep 12, 2003	6.41	6.50	6.41	6.50
223	NYSE	NGS	Thu, Sep 11, 2003	6.48	6.50	6.48	6.50
222	NYSE	NGS	Wed, Sep 10, 2003	6.52	6.52	6.48	6.48
221	NYSE	NGS	Tue, Sep 9, 2003	6.40	6.50	6.38	6.50
220	NYSE	NGS	Mon, Sep 8, 2003	6.54	6.54	6.45	6.45
219	NYSE	NGS	Fri, Sep 5, 2003	6.46	6.54	6.45	6.54
218	NYSE	NGS	Thu, Sep 4, 2003	6.54	6.54	6.43	6.50
217	NYSE	NGS	Wed, Sep 3, 2003	6.60	6.60	6.45	6.55
216	NYSE	NGS	Tue, Sep 2, 2003	6.38	6.70	6.30	6.65
215	NYSE	NGS	Fri, Aug 29, 2003	6.39	6.39	6.35	6.39
214	NYSE	NGS	Thu, Aug 28, 2003	6.40	6.40	6.35	6.39
213	NYSE	NGS	Wed, Aug 27, 2003	6.40	6.40	6.36	6.36
212	NYSE	NGS	Tue, Aug 26, 2003	6.40	6.45	6.40	6.40
211	NYSE	NGS	Mon, Aug 25, 2003	6.35	6.45	6.35	6.35
210	NYSE	NGS	Fri, Aug 22, 2003	6.30	6.35	6.20	6.35
209	NYSE	NGS	Thu, Aug 21, 2003	6.40	6.40	6.30	6.39
208	NYSE	NGS	Wed, Aug 20, 2003	6.39	6.40	6.39	6.40
207	NYSE	NGS	Tue, Aug 19, 2003	6.40	6.40	6.30	6.39
206	NYSE	NGS	Mon, Aug 18, 2003	6.29	6.40	6.29	6.40
205	NYSE	NGS	Fri, Aug 15, 2003	6.29	6.29	6.29	6.29
204	NYSE	NGS	Thu, Aug 14, 2003	6.21	6.23	6.21	6.21
203	NYSE	NGS	Wed, Aug 13, 2003	6.26	6.26	6.10	6.25
202	NYSE	NGS	Tue, Aug 12, 2003	6.39	6.40	6.30	6.40
201	NYSE	NGS	Mon, Aug 11, 2003	6.51	6.55	6.45	6.45
200	NYSE	NGS	Fri, Aug 8, 2003	6.48	6.51	6.40	6.51
199	NYSE	NGS	Thu, Aug 7, 2003	6.20	6.52	6.20	6.49
198	NYSE	NGS	Wed, Aug 6, 2003	6.60	6.60	6.20	6.20
197	NYSE	NGS	Tue, Aug 5, 2003	6.56	6.63	6.51	6.60
196	NYSE	NGS	Mon, Aug 4, 2003	6.55	6.64	6.52	6.58
195	NYSE	NGS	Fri, Aug 1, 2003	6.40	6.65	6.28	6.60
194	NYSE	NGS	Thu, Jul 31, 2003	6.71	6.73	6.35	6.44
193	NYSE	NGS	Wed, Jul 30, 2003	6.74	6.75	6.65	6.70
192	NYSE	NGS	Tue, Jul 29, 2003	6.60	6.75	6.60	6.74
191	NYSE	NGS	Mon, Jul 28, 2003	6.50	6.69	6.41	6.64
190	NYSE	NGS	Fri, Jul 25, 2003	6.24	6.34	6.22	6.30
189	NYSE	NGS	Thu, Jul 24, 2003	5.95	6.16	5.95	6.16
188	NYSE	NGS	Wed, Jul 23, 2003	5.94	5.99	5.85	5.95
187	NYSE	NGS	Tue, Jul 22, 2003	5.80	5.88	5.80	5.85
186	NYSE	NGS	Mon, Jul 21, 2003	5.66	5.95	5.66	5.80
185	NYSE	NGS	Fri, Jul 18, 2003	5.91	6.03	5.91	5.91
184	NYSE	NGS	Thu, Jul 17, 2003	5.90	6.00	5.75	6.00
183	NYSE	NGS	Wed, Jul 16, 2003	6.20	6.30	5.90	6.00
182	NYSE	NGS	Tue, Jul 15, 2003	6.25	6.34	6.20	6.20
181	NYSE	NGS	Mon, Jul 14, 2003	6.25	6.26	6.24	6.24
180	NYSE	NGS	Fri, Jul 11, 2003	6.00	6.32	5.99	6.24
179	NYSE	NGS	Thu, Jul 10, 2003	5.94	6.01	5.90	6.00
178	NYSE	NGS	Wed, Jul 9, 2003	5.74	5.94	5.74	5.94
177	NYSE	NGS	Tue, Jul 8, 2003	5.79	5.79	5.45	5.60
176	NYSE	NGS	Mon, Jul 7, 2003	5.75	5.81	5.65	5.78
175	NYSE	NGS	Thu, Jul 3, 2003	5.81	5.81	5.76	5.76
174	NYSE	NGS	Wed, Jul 2, 2003	6.09	6.09	5.80	5.81
173	NYSE	NGS	Tue, Jul 1, 2003	5.60	6.10	5.55	6.10
172	NYSE	NGS	Mon, Jun 30, 2003	5.97	5.97	5.60	5.60
171	NYSE	NGS	Fri, Jun 27, 2003	5.75	5.90	5.60	5.88
170	NYSE	NGS	Thu, Jun 26, 2003	5.81	6.05	5.79	5.80
169	NYSE	NGS	Wed, Jun 25, 2003	6.09	6.09	5.86	5.90
168	NYSE	NGS	Tue, Jun 24, 2003	5.85	6.08	5.85	6.05
167	NYSE	NGS	Mon, Jun 23, 2003	6.55	6.55	5.75	6.00
166	NYSE	NGS	Fri, Jun 20, 2003	6.65	6.65	6.40	6.45
165	NYSE	NGS	Thu, Jun 19, 2003	6.00	6.45	5.90	6.45
164	NYSE	NGS	Wed, Jun 18, 2003	6.50	6.54	5.94	6.18
163	NYSE	NGS	Tue, Jun 17, 2003	6.60	6.79	6.50	6.50
162	NYSE	NGS	Mon, Jun 16, 2003	6.70	7.25	6.50	6.59
161	NYSE	NGS	Fri, Jun 13, 2003	6.24	6.45	5.90	6.45
160	NYSE	NGS	Thu, Jun 12, 2003	5.85	6.10	5.76	6.04
159	NYSE	NGS	Wed, Jun 11, 2003	5.65	5.85	5.10	5.60
158	NYSE	NGS	Tue, Jun 10, 2003	4.98	5.43	4.90	5.40
157	NYSE	NGS	Mon, Jun 9, 2003	4.84	5.08	4.75	4.90
156	NYSE	NGS	Fri, Jun 6, 2003	4.59	4.85	4.59	4.84
155	NYSE	NGS	Thu, Jun 5, 2003	4.50	4.60	4.40	4.60
154	NYSE	NGS	Wed, Jun 4, 2003	4.25	4.36	4.25	4.35
153	NYSE	NGS	Tue, Jun 3, 2003	4.25	4.25	4.21	4.21
152	NYSE	NGS	Mon, Jun 2, 2003	4.29	4.29	4.21	4.28
151	NYSE	NGS	Fri, May 30, 2003	4.29	4.30	4.20	4.29
150	NYSE	NGS	Thu, May 29, 2003	4.22	4.28	4.22	4.28
149	NYSE	NGS	Wed, May 28, 2003	4.29	4.29	4.20	4.21
148	NYSE	NGS	Tue, May 27, 2003	4.24	4.30	4.20	4.23
147	NYSE	NGS	Fri, May 23, 2003	4.20	4.20	4.20	4.20
146	NYSE	NGS	Thu, May 22, 2003	4.29	4.29	4.20	4.20
145	NYSE	NGS	Wed, May 21, 2003	4.30	4.30	4.25	4.30
144	NYSE	NGS	Tue, May 20, 2003	4.30	4.30	4.30	4.30
143	NYSE	NGS	Mon, May 19, 2003	4.39	4.50	4.30	4.31
142	NYSE	NGS	Fri, May 16, 2003	4.45	4.49	4.33	4.39
141	NYSE	NGS	Thu, May 15, 2003	4.41	4.41	4.25	4.32
140	NYSE	NGS	Wed, May 14, 2003	4.36	4.45	4.30	4.45
139	NYSE	NGS	Tue, May 13, 2003	4.26	4.40	4.25	4.40
138	NYSE	NGS	Mon, May 12, 2003	4.25	4.40	4.25	4.31
137	NYSE	NGS	Fri, May 9, 2003	4.17	4.34	4.17	4.33
136	NYSE	NGS	Thu, May 8, 2003	4.21	4.21	4.10	4.18
135	NYSE	NGS	Wed, May 7, 2003	4.26	4.29	4.26	4.29
134	NYSE	NGS	Tue, May 6, 2003	4.17	4.35	4.17	4.35
133	NYSE	NGS	Mon, May 5, 2003	4.15	4.25	4.10	4.25
132	NYSE	NGS	Fri, May 2, 2003	4.00	4.20	4.00	4.10
131	NYSE	NGS	Thu, May 1, 2003	3.90	3.95	3.89	3.95
130	NYSE	NGS	Wed, Apr 30, 2003	3.90	3.90	3.85	3.89
129	NYSE	NGS	Tue, Apr 29, 2003	3.90	4.00	3.85	3.94
128	NYSE	NGS	Mon, Apr 28, 2003	3.78	3.86	3.65	3.65
127	NYSE	NGS	Fri, Apr 25, 2003	3.66	3.79	3.65	3.79
126	NYSE	NGS	Thu, Apr 24, 2003	3.70	3.70	3.65	3.65
125	NYSE	NGS	Wed, Apr 23, 2003	3.76	3.76	3.70	3.73
124	NYSE	NGS	Tue, Apr 22, 2003	3.81	3.81	3.75	3.75
123	NYSE	NGS	Mon, Apr 21, 2003	3.81	3.81	3.80	3.80
122	NYSE	NGS	Thu, Apr 17, 2003	3.96	3.96	3.81	3.81
121	NYSE	NGS	Wed, Apr 16, 2003	3.75	3.90	3.75	3.90
120	NYSE	NGS	Tue, Apr 15, 2003	3.75	3.76	3.75	3.75
119	NYSE	NGS	Mon, Apr 14, 2003	3.83	3.83	3.75	3.75
118	NYSE	NGS	Fri, Apr 11, 2003	3.85	3.85	3.75	3.76
117	NYSE	NGS	Thu, Apr 10, 2003	3.75	3.78	3.75	3.75
116	NYSE	NGS	Wed, Apr 9, 2003	3.86	3.86	3.75	3.75
115	NYSE	NGS	Tue, Apr 8, 2003	3.82	3.90	3.75	3.90
114	NYSE	NGS	Mon, Apr 7, 2003	3.85	3.90	3.85	3.90
113	NYSE	NGS	Fri, Apr 4, 2003	3.70	3.85	3.70	3.85
112	NYSE	NGS	Thu, Apr 3, 2003	3.75	3.75	3.65	3.70
111	NYSE	NGS	Wed, Apr 2, 2003	3.92	3.92	3.75	3.76
110	NYSE	NGS	Tue, Apr 1, 2003	3.86	3.86	3.75	3.84
109	NYSE	NGS	Mon, Mar 31, 2003	3.91	3.96	3.81	3.90
108	NYSE	NGS	Fri, Mar 28, 2003	4.06	4.06	3.90	4.05
107	NYSE	NGS	Thu, Mar 27, 2003	4.18	4.18	4.00	4.15
106	NYSE	NGS	Wed, Mar 26, 2003	4.10	4.19	4.05	4.18
105	NYSE	NGS	Tue, Mar 25, 2003	4.09	4.18	4.00	4.18
104	NYSE	NGS	Mon, Mar 24, 2003	4.11	4.11	4.10	4.10
103	NYSE	NGS	Fri, Mar 21, 2003	4.18	4.18	4.10	4.15
102	NYSE	NGS	Thu, Mar 20, 2003	4.06	4.17	4.00	4.17
101	NYSE	NGS	Wed, Mar 19, 2003	4.04	4.10	4.01	4.09
100	NYSE	NGS	Tue, Mar 18, 2003	3.98	4.00	3.95	4.00
99	NYSE	NGS	Mon, Mar 17, 2003	3.94	3.99	3.94	3.99
98	NYSE	NGS	Fri, Mar 14, 2003	3.90	3.94	3.85	3.94
97	NYSE	NGS	Thu, Mar 13, 2003	3.90	3.90	3.90	3.90
96	NYSE	NGS	Wed, Mar 12, 2003	3.96	3.96	3.90	3.90
95	NYSE	NGS	Tue, Mar 11, 2003	3.98	3.98	3.95	3.95
94	NYSE	NGS	Mon, Mar 10, 2003	3.97	3.99	3.90	3.90
93	NYSE	NGS	Fri, Mar 7, 2003	3.97	3.97	3.97	3.97
92	NYSE	NGS	Thu, Mar 6, 2003	3.91	3.98	3.82	3.91
91	NYSE	NGS	Wed, Mar 5, 2003	3.95	3.99	3.94	3.95
90	NYSE	NGS	Tue, Mar 4, 2003	4.05	4.05	3.70	3.90
89	NYSE	NGS	Mon, Mar 3, 2003	4.19	4.20	4.05	4.06
88	NYSE	NGS	Fri, Feb 28, 2003	4.00	4.19	4.00	4.19
87	NYSE	NGS	Thu, Feb 27, 2003	4.15	4.15	3.95	3.95
86	NYSE	NGS	Wed, Feb 26, 2003	4.09	4.15	4.05	4.10
85	NYSE	NGS	Tue, Feb 25, 2003	4.05	4.05	4.02	4.03
84	NYSE	NGS	Mon, Feb 24, 2003	3.90	4.05	3.80	4.05
83	NYSE	NGS	Fri, Feb 21, 2003	3.76	3.89	3.75	3.80
82	NYSE	NGS	Thu, Feb 20, 2003	3.88	3.88	3.82	3.85
81	NYSE	NGS	Wed, Feb 19, 2003	3.86	3.90	3.84	3.85
80	NYSE	NGS	Tue, Feb 18, 2003	3.82	3.89	3.82	3.85
79	NYSE	NGS	Fri, Feb 14, 2003	3.81	3.84	3.78	3.84
78	NYSE	NGS	Thu, Feb 13, 2003	3.91	3.94	3.85	3.88
77	NYSE	NGS	Wed, Feb 12, 2003	3.92	4.00	3.85	3.91
76	NYSE	NGS	Tue, Feb 11, 2003	4.04	4.04	3.96	3.97
75	NYSE	NGS	Mon, Feb 10, 2003	3.91	3.99	3.90	3.90
74	NYSE	NGS	Fri, Feb 7, 2003	3.89	4.10	3.89	3.90
73	NYSE	NGS	Thu, Feb 6, 2003	4.00	4.00	3.88	3.89
72	NYSE	NGS	Wed, Feb 5, 2003	3.93	4.00	3.93	3.96
71	NYSE	NGS	Tue, Feb 4, 2003	3.90	4.00	3.90	4.00
70	NYSE	NGS	Mon, Feb 3, 2003	4.00	4.05	3.94	3.94
69	NYSE	NGS	Fri, Jan 31, 2003	4.05	4.05	3.90	4.00
68	NYSE	NGS	Thu, Jan 30, 2003	4.01	4.01	3.90	4.01
67	NYSE	NGS	Wed, Jan 29, 2003	4.00	4.10	4.00	4.00
66	NYSE	NGS	Tue, Jan 28, 2003	3.94	4.10	3.91	4.10
65	NYSE	NGS	Mon, Jan 27, 2003	4.00	4.00	3.91	3.95
64	NYSE	NGS	Fri, Jan 24, 2003	4.15	4.15	3.91	3.99
63	NYSE	NGS	Thu, Jan 23, 2003	4.19	4.20	4.15	4.20
62	NYSE	NGS	Wed, Jan 22, 2003	4.05	4.25	4.05	4.15
61	NYSE	NGS	Tue, Jan 21, 2003	4.05	4.15	4.00	4.10
60	NYSE	NGS	Fri, Jan 17, 2003	3.95	4.00	3.95	4.00
59	NYSE	NGS	Thu, Jan 16, 2003	4.00	4.00	3.95	3.95
58	NYSE	NGS	Wed, Jan 15, 2003	4.20	4.20	3.90	3.95
57	NYSE	NGS	Tue, Jan 14, 2003	4.20	4.22	4.20	4.20
56	NYSE	NGS	Mon, Jan 13, 2003	4.20	4.23	4.11	4.20
55	NYSE	NGS	Fri, Jan 10, 2003	4.30	4.30	4.20	4.28
54	NYSE	NGS	Thu, Jan 9, 2003	4.10	4.30	4.05	4.25
53	NYSE	NGS	Wed, Jan 8, 2003	3.96	4.01	3.96	4.01
52	NYSE	NGS	Tue, Jan 7, 2003	3.99	4.00	3.96	3.96
51	NYSE	NGS	Mon, Jan 6, 2003	3.90	3.95	3.90	3.95
50	NYSE	NGS	Fri, Jan 3, 2003	3.87	4.00	3.85	3.90
49	NYSE	NGS	Thu, Jan 2, 2003	3.83	3.84	3.75	3.75
48	NYSE	NGS	Tue, Dec 31, 2002	3.85	3.88	3.80	3.88
47	NYSE	NGS	Mon, Dec 30, 2002	3.85	3.86	3.76	3.80
46	NYSE	NGS	Fri, Dec 27, 2002	3.70	3.76	3.65	3.76
45	NYSE	NGS	Thu, Dec 26, 2002	3.50	3.64	3.50	3.60
44	NYSE	NGS	Tue, Dec 24, 2002	3.40	3.47	3.40	3.47
43	NYSE	NGS	Mon, Dec 23, 2002	3.49	3.49	3.35	3.40
42	NYSE	NGS	Fri, Dec 20, 2002	3.49	3.50	3.40	3.41
41	NYSE	NGS	Thu, Dec 19, 2002	3.39	3.44	3.39	3.44
40	NYSE	NGS	Wed, Dec 18, 2002	3.39	3.40	3.25	3.40
39	NYSE	NGS	Tue, Dec 17, 2002	3.40	3.40	3.30	3.39
38	NYSE	NGS	Mon, Dec 16, 2002	3.45	3.51	3.40	3.40
37	NYSE	NGS	Fri, Dec 13, 2002	3.64	3.66	3.46	3.46
36	NYSE	NGS	Thu, Dec 12, 2002	3.63	3.63	3.50	3.54
35	NYSE	NGS	Wed, Dec 11, 2002	3.59	3.59	3.53	3.53
34	NYSE	NGS	Tue, Dec 10, 2002	3.50	3.50	3.50	3.50
33	NYSE	NGS	Mon, Dec 9, 2002	3.69	3.69	3.55	3.60
32	NYSE	NGS	Fri, Dec 6, 2002	3.50	3.65	3.45	3.65
31	NYSE	NGS	Thu, Dec 5, 2002	3.55	3.55	3.50	3.55
30	NYSE	NGS	Wed, Dec 4, 2002	3.60	3.60	3.55	3.60
29	NYSE	NGS	Tue, Dec 3, 2002	3.80	3.80	3.65	3.65
28	NYSE	NGS	Fri, Nov 29, 2002	3.75	3.75	3.75	3.75
27	NYSE	NGS	Wed, Nov 27, 2002	3.75	3.75	3.65	3.65
26	NYSE	NGS	Tue, Nov 26, 2002	3.70	3.75	3.65	3.65
25	NYSE	NGS	Mon, Nov 25, 2002	3.80	3.90	3.73	3.73
24	NYSE	NGS	Fri, Nov 22, 2002	3.65	3.85	3.65	3.75
23	NYSE	NGS	Thu, Nov 21, 2002	4.00	4.00	3.60	3.60
22	NYSE	NGS	Wed, Nov 20, 2002	3.95	3.99	3.85	3.99
21	NYSE	NGS	Tue, Nov 19, 2002	3.75	3.85	3.75	3.85
20	NYSE	NGS	Mon, Nov 18, 2002	3.64	3.90	3.60	3.79
19	NYSE	NGS	Fri, Nov 15, 2002	3.60	3.65	3.60	3.60
18	NYSE	NGS	Thu, Nov 14, 2002	3.48	3.55	3.40	3.55
17	NYSE	NGS	Wed, Nov 13, 2002	3.50	3.50	3.48	3.50
16	NYSE	NGS	Tue, Nov 12, 2002	3.46	3.50	3.44	3.44
15	NYSE	NGS	Mon, Nov 11, 2002	3.52	3.52	3.45	3.45
14	NYSE	NGS	Fri, Nov 8, 2002	3.41	3.55	3.40	3.42
13	NYSE	NGS	Thu, Nov 7, 2002	4.00	4.00	3.40	3.41
12	NYSE	NGS	Wed, Nov 6, 2002	4.10	4.10	3.70	3.99
11	NYSE	NGS	Tue, Nov 5, 2002	3.80	4.10	3.75	4.00
10	NYSE	NGS	Mon, Nov 4, 2002	3.95	4.05	3.75	3.75
9	NYSE	NGS	Fri, Nov 1, 2002	3.99	4.15	3.90	3.90
8	NYSE	NGS	Thu, Oct 31, 2002	3.25	3.95	3.25	3.95
7	NYSE	NGS	Wed, Oct 30, 2002	3.80	3.80	3.20	3.35
6	NYSE	NGS	Tue, Oct 29, 2002	4.00	4.00	3.75	3.89
5	NYSE	NGS	Mon, Oct 28, 2002	4.15	4.15	3.95	4.00
4	NYSE	NGS	Fri, Oct 25, 2002	4.26	4.26	4.01	4.11
3	NYSE	NGS	Thu, Oct 24, 2002	4.20	4.40	4.20	4.25
2	NYSE	NGS	Wed, Oct 23, 2002	4.20	4.20	3.95	4.10
1	NYSE	NGS	Tue, Oct 22, 2002	4.55	4.55	4.00	4.25
#	Exchange	Symbol	Date	Open	High	Low	Close

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