Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	58.75	58.89	58.42	58.55	659,122	-0.02(-0.04%)
May 23, 2011	58.57	58.78	58.40	58.58	714,619	-0.75(-1.26%)
May 20, 2011	59.63	59.69	59.17	59.33	717,290	-0.41(-0.68%)
May 19, 2011	59.83	59.92	59.43	59.73	615,457	+0.12(+0.20%)
May 18, 2011	59.10	59.68	58.98	59.61	554,005	+0.56(+0.94%)
May 17, 2011	58.90	59.15	58.59	59.06	711,432	-0.06(-0.11%)
May 16, 2011	59.29	59.75	59.01	59.12	685,244	-0.38(-0.64%)
May 13, 2011	60.03	60.07	59.30	59.50	714,017	-0.49(-0.81%)
May 12, 2011	59.56	60.09	59.23	59.99	1,018,210	+0.27(+0.45%)
May 11, 2011	60.27	60.27	59.43	59.72	655,830	-0.61(-1.02%)
May 10, 2011	59.99	60.43	59.95	60.33	474,463	+0.53(+0.88%)
May 09, 2011	59.57	59.97	59.46	59.80	1,212,526	+0.29(+0.48%)
May 06, 2011	59.86	60.16	59.30	59.52	1,956,639	+0.22(+0.36%)
May 05, 2011	59.46	59.86	59.02	59.30	831,525	-0.46(-0.77%)
May 04, 2011	60.19	60.19	59.50	59.76	1,227,376	-0.43(-0.71%)
May 03, 2011	60.35	60.43	59.88	60.19	509,865	-0.26(-0.43%)
May 02, 2011	60.42	60.47	60.35	60.46	520,667	-0.10(-0.17%)
Apr 29, 2011	60.43	60.62	60.35	60.56	895,672	+0.18(+0.29%)
Apr 28, 2011	60.11	60.48	60.11	60.38	2,030,860	+0.19(+0.32%)
Apr 27, 2011	59.95	60.29	59.69	60.19	1,090,694	+0.37(+0.61%)
Apr 26, 2011	59.51	59.95	59.45	59.83	987,494	+0.52(+0.87%)
Apr 25, 2011	59.41	59.41	59.13	59.31	1,547,937	-0.06(-0.11%)
Apr 21, 2011	59.36	59.39	59.14	59.37	848,186	+0.30(+0.51%)
Apr 20, 2011	58.91	59.18	58.91	59.07	1,156,755	+0.85(+1.46%)
Apr 19, 2011	57.97	58.26	57.86	58.22	611,997	+0.30(+0.52%)
Apr 18, 2011	57.92	58.02	57.45	57.92	1,004,655	-0.68(-1.16%)
Apr 15, 2011	58.45	58.72	58.28	58.59	541,317	+0.25(+0.42%)
Apr 14, 2011	58.00	58.42	57.78	58.35	963,944	+0.03(+0.05%)
Apr 13, 2011	58.56	58.62	58.09	58.31	1,077,759	+0.02(+0.04%)
Apr 12, 2011	58.44	58.51	58.08	58.29	1,346,552	-0.45(-0.77%)
Apr 11, 2011	58.99	59.17	58.59	58.74	724,600	-0.18(-0.31%)
Apr 08, 2011	59.41	59.44	58.69	58.93	756,656	-0.24(-0.40%)
Apr 07, 2011	59.21	59.42	58.88	59.17	400,264	-0.13(-0.21%)
Apr 06, 2011	59.42	59.50	59.09	59.29	402,369	+0.14(+0.24%)
Apr 05, 2011	59.02	59.41	59.02	59.15	602,325	+0.02(+0.04%)
Apr 04, 2011	59.21	59.33	58.98	59.13	789,938	+0.05(+0.08%)
Apr 01, 2011	59.19	59.33	58.94	59.08	1,471,545	+0.25(+0.43%)
Mar 31, 2011	58.81	58.96	58.74	58.82	1,184,805	-0.03(-0.05%)
Mar 30, 2011	58.86	58.86	58.86	58.86	485,654	+0.42(+0.72%)
Mar 29, 2011	58.02	58.45	57.81	58.43	1,424,577	+0.38(+0.66%)
Mar 28, 2011	58.35	58.47	58.03	58.05	784,508	-0.14(-0.25%)
Mar 25, 2011	58.16	58.45	58.02	58.20	538,102	+0.21(+0.37%)
Mar 24, 2011	57.77	58.07	57.42	57.98	947,114	+0.56(+0.97%)
Mar 23, 2011	57.15	57.58	56.86	57.42	965,240	+0.15(+0.26%)
Mar 22, 2011	57.48	57.56	57.24	57.27	1,006,088	-0.20(-0.35%)
Mar 21, 2011	57.49	57.57	57.37	57.47	753,124	+0.87(+1.54%)
Mar 18, 2011	57.05	57.09	56.49	56.60	1,070,734	+0.22(+0.39%)
Mar 17, 2011	56.50	56.63	56.09	56.38	768,852	+0.49(+0.88%)
Mar 16, 2011	56.55	56.72	55.33	55.88	2,026,802	-0.83(-1.47%)
Mar 15, 2011	56.46	57.03	56.41	56.72	1,603,546	-0.63(-1.09%)
Mar 14, 2011	57.30	57.51	56.91	57.34	832,709	-0.32(-0.55%)
Mar 11, 2011	57.11	57.86	57.07	57.66	778,821	+0.37(+0.65%)
Mar 10, 2011	57.76	57.76	57.24	57.29	896,738	-1.05(-1.79%)
Mar 09, 2011	58.30	58.54	58.03	58.33	766,344	-0.10(-0.16%)
Mar 08, 2011	58.06	58.63	57.78	58.43	985,842	+0.49(+0.85%)
Mar 07, 2011	58.64	58.74	57.64	57.94	1,528,601	-0.49(-0.84%)
Mar 04, 2011	58.86	58.86	58.07	58.43	625,270	-0.43(-0.73%)
Mar 03, 2011	58.37	58.94	58.37	58.86	700,912	+1.00(+1.73%)
Mar 02, 2011	57.65	58.13	57.60	57.86	1,461,943	+0.13(+0.22%)

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