Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	74.68	74.85	74.68	74.83	710,126	+0.06(+0.08%)
Apr 28, 2011	74.70	74.78	74.62	74.77	815,319	+0.18(+0.24%)
Apr 27, 2011	74.52	74.61	74.42	74.59	673,278	-0.06(-0.08%)
Apr 26, 2011	74.44	74.66	74.44	74.66	810,487	+0.27(+0.37%)
Apr 25, 2011	74.32	74.45	74.30	74.38	770,518	+0.04(+0.06%)
Apr 21, 2011	74.30	74.39	74.28	74.34	636,953	+0.05(+0.07%)
Apr 20, 2011	74.33	74.39	74.26	74.29	553,096	-0.11(-0.14%)
Apr 19, 2011	74.37	74.42	74.33	74.40	669,724	+0.15(+0.20%)
Apr 18, 2011	74.15	74.34	74.11	74.25	1,024,844	+0.13(+0.17%)
Apr 15, 2011	74.02	74.16	74.02	74.12	556,329	+0.27(+0.36%)
Apr 14, 2011	73.94	73.99	73.85	73.85	930,498	-0.07(-0.10%)
Apr 13, 2011	73.73	73.97	73.73	73.92	756,081	+0.08(+0.10%)
Apr 12, 2011	73.69	73.89	73.69	73.85	800,885	+0.28(+0.38%)
Apr 11, 2011	73.52	73.63	73.49	73.57	550,482	+0.07(+0.10%)
Apr 08, 2011	73.54	73.59	73.47	73.50	558,893	-0.14(-0.19%)
Apr 07, 2011	73.59	73.75	73.57	73.64	969,788	+0.11(+0.15%)
Apr 06, 2011	73.73	73.74	73.52	73.52	1,394,743	-0.22(-0.30%)
Apr 05, 2011	73.87	73.88	73.70	73.74	1,140,801	-0.15(-0.21%)
Apr 04, 2011	73.83	73.98	73.82	73.90	736,104	+0.12(+0.16%)
Apr 01, 2011	73.60	73.83	73.58	73.78	1,399,454	+0.10(+0.14%)
Mar 31, 2011	73.84	73.87	73.68	73.68	1,447,406	-0.08(-0.11%)
Mar 30, 2011	73.76	73.76	73.76	73.76	1,129,377	+0.13(+0.17%)
Mar 29, 2011	73.67	73.80	73.61	73.63	767,788	-0.09(-0.12%)
Mar 28, 2011	73.68	73.77	73.64	73.73	2,059,777	-0.04(-0.05%)
Mar 25, 2011	73.96	73.96	73.71	73.76	1,157,503	-0.06(-0.09%)
Mar 24, 2011	73.91	73.96	73.78	73.82	2,240,173	-0.20(-0.27%)
Mar 23, 2011	74.17	74.18	73.99	74.03	673,806	-0.03(-0.05%)
Mar 22, 2011	73.98	74.10	73.96	74.06	862,930	+0.01(+0.01%)
Mar 21, 2011	74.05	74.13	74.03	74.06	657,559	-0.18(-0.24%)
Mar 18, 2011	74.15	74.26	74.10	74.23	546,254	-0.03(-0.04%)
Mar 17, 2011	74.20	74.34	74.10	74.26	834,388	-0.18(-0.24%)
Mar 16, 2011	74.26	74.66	74.19	74.43	1,444,247	+0.34(+0.45%)
Mar 15, 2011	74.24	74.26	74.08	74.10	959,625	+0.03(+0.04%)
Mar 14, 2011	74.16	74.27	74.07	74.07	593,435	+0.04(+0.06%)
Mar 11, 2011	74.03	74.10	73.94	74.03	676,003	+0.01(+0.02%)
Mar 10, 2011	73.87	74.05	73.78	74.01	667,634	+0.26(+0.35%)
Mar 09, 2011	73.62	73.84	73.56	73.75	842,715	+0.18(+0.24%)
Mar 08, 2011	73.63	73.63	73.52	73.58	752,260	-0.06(-0.08%)
Mar 07, 2011	73.54	73.74	73.45	73.63	886,263	+0.03(+0.05%)
Mar 04, 2011	73.51	73.66	73.48	73.60	1,086,767	+0.20(+0.27%)
Mar 03, 2011	73.52	73.53	73.36	73.40	882,796	-0.26(-0.35%)
Mar 02, 2011	73.80	73.86	73.65	73.66	722,297	-0.12(-0.16%)
Mar 01, 2011	73.66	73.85	73.62	73.78	1,049,749	-0.06(-0.08%)
Feb 28, 2011	73.76	73.84	73.71	73.84	798,627	+0.14(+0.19%)
Feb 25, 2011	73.58	73.72	73.56	73.70	775,386	+0.20(+0.27%)
Feb 24, 2011	73.55	73.62	73.50	73.51	1,624,282	+0.01(+0.02%)
Feb 23, 2011	73.53	73.59	73.42	73.49	1,011,510	+0.06(+0.08%)
Feb 22, 2011	73.25	73.48	73.25	73.44	1,478,522	+0.27(+0.36%)
Feb 18, 2011	73.09	73.19	73.04	73.17	993,448	-0.03(-0.04%)
Feb 17, 2011	73.18	73.26	73.15	73.20	867,384	+0.17(+0.24%)
Feb 16, 2011	73.02	73.14	72.97	73.02	679,264	+0.00(+0.00%)
Feb 15, 2011	72.93	73.03	72.91	73.02	734,649	+0.09(+0.12%)
Feb 14, 2011	72.83	73.00	72.83	72.93	1,466,345	+0.03(+0.05%)
Feb 11, 2011	72.90	72.94	72.74	72.90	1,140,566	+0.29(+0.39%)
Feb 10, 2011	72.77	72.81	72.58	72.61	745,033	-0.21(-0.29%)
Feb 09, 2011	72.72	72.91	72.64	72.82	741,275	+0.13(+0.18%)
Feb 08, 2011	72.90	72.91	72.63	72.69	1,060,135	-0.21(-0.29%)
Feb 07, 2011	72.81	72.92	72.77	72.90	865,059	+0.03(+0.04%)
Feb 04, 2011	73.02	73.13	72.83	72.87	1,597,587	-0.24(-0.33%)
Feb 03, 2011	73.24	73.30	73.11	73.11	1,305,276	-0.27(-0.37%)
Feb 02, 2011	73.49	73.55	73.30	73.39	733,906	-0.08(-0.11%)

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