Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	56.49	56.68	56.20	56.65	770,138	+0.19(+0.33%)
Apr 27, 2012	56.61	56.78	56.43	56.47	434,055	-0.02(-0.04%)
Apr 26, 2012	55.94	56.50	55.77	56.49	685,247	+0.48(+0.85%)
Apr 25, 2012	56.06	56.13	55.77	56.01	945,945	+0.27(+0.49%)
Apr 24, 2012	55.69	56.25	55.63	55.74	501,521	+0.23(+0.41%)
Apr 23, 2012	56.46	56.51	55.31	55.52	1,419,012	-1.38(-2.43%)
Apr 20, 2012	56.45	57.24	56.44	56.90	750,050	+0.51(+0.91%)
Apr 19, 2012	56.58	56.72	56.23	56.38	496,524	-0.16(-0.28%)
Apr 18, 2012	56.68	56.79	56.33	56.54	495,914	-0.28(-0.49%)
Apr 17, 2012	56.34	56.91	56.25	56.82	797,659	+0.75(+1.33%)
Apr 16, 2012	56.58	56.67	56.06	56.07	906,134	-0.31(-0.56%)
Apr 13, 2012	56.45	56.88	56.38	56.38	1,034,272	-0.09(-0.15%)
Apr 12, 2012	56.77	56.77	56.30	56.47	1,101,462	-0.30(-0.53%)
Apr 11, 2012	57.61	57.71	56.61	56.77	828,642	-0.37(-0.65%)
Apr 10, 2012	57.45	57.71	57.09	57.14	996,087	-0.34(-0.59%)
Apr 09, 2012	57.24	57.67	57.23	57.48	705,042	-0.23(-0.41%)
Apr 05, 2012	57.73	57.86	57.51	57.71	797,858	-0.01(-0.02%)
Apr 04, 2012	57.64	58.04	57.58	57.73	1,148,109	-0.20(-0.34%)
Apr 03, 2012	57.96	58.32	57.56	57.93	958,058	-0.01(-0.02%)
Apr 02, 2012	57.88	58.09	57.49	57.94	803,266	+0.06(+0.10%)
Mar 30, 2012	57.98	58.10	57.47	57.88	754,306	+0.19(+0.33%)
Mar 29, 2012	57.47	57.69	57.12	57.69	848,540	+0.06(+0.10%)
Mar 28, 2012	57.44	57.66	57.31	57.64	634,225	+0.26(+0.46%)
Mar 27, 2012	56.97	57.39	56.97	57.37	686,526	+0.32(+0.56%)
Mar 26, 2012	57.14	57.44	56.87	57.05	895,889	+0.14(+0.24%)
Mar 23, 2012	56.63	57.09	56.56	56.92	1,060,790	+0.36(+0.63%)
Mar 22, 2012	56.12	56.58	55.88	56.56	1,063,835	+0.22(+0.39%)
Mar 21, 2012	56.21	56.60	55.81	56.34	1,375,027	+0.05(+0.09%)
Mar 20, 2012	55.49	56.37	55.34	56.29	1,095,491	+0.41(+0.73%)
Mar 19, 2012	55.28	56.01	55.13	55.89	1,030,051	+0.33(+0.60%)
Mar 16, 2012	55.29	55.70	55.08	55.55	1,601,122	+0.23(+0.41%)
Mar 15, 2012	54.36	55.33	54.18	55.32	1,520,909	+1.26(+2.33%)
Mar 14, 2012	54.14	54.35	53.91	54.06	926,332	-0.21(-0.39%)
Mar 13, 2012	53.79	54.31	53.61	54.28	745,632	+0.59(+1.10%)
Mar 12, 2012	53.23	53.90	53.02	53.69	1,202,538	+0.01(+0.03%)
Mar 09, 2012	53.72	53.81	53.31	53.67	757,231	-0.09(-0.17%)
Mar 08, 2012	53.72	53.86	53.28	53.77	1,028,829	+0.28(+0.53%)
Mar 07, 2012	53.54	53.72	53.04	53.48	1,587,848	+0.21(+0.40%)
Mar 06, 2012	54.01	54.16	53.25	53.27	1,330,194	-1.15(-2.11%)
Mar 05, 2012	54.19	54.41	54.04	54.41	1,117,055	+0.09(+0.17%)
Mar 02, 2012	54.06	54.32	53.79	54.32	1,188,042	+0.36(+0.66%)
Mar 01, 2012	53.64	54.11	53.33	53.96	1,650,684	+0.38(+0.70%)
Feb 29, 2012	52.92	53.79	52.65	53.59	1,417,407	+0.65(+1.24%)
Feb 28, 2012	53.23	53.52	52.93	52.93	1,431,706	-0.28(-0.52%)
Feb 27, 2012	52.92	53.32	52.71	53.21	1,315,552	+0.04(+0.07%)
Feb 24, 2012	52.48	53.22	52.08	53.17	1,806,926	+0.71(+1.36%)
Feb 23, 2012	51.75	52.54	51.69	52.46	1,107,879	+0.76(+1.47%)
Feb 22, 2012	51.30	51.70	51.09	51.70	1,504,126	+0.17(+0.33%)
Feb 21, 2012	52.04	52.10	51.41	51.53	2,206,356	-0.46(-0.88%)
Feb 17, 2012	51.28	52.29	51.28	51.99	3,935,191	+1.05(+2.05%)
Feb 16, 2012	51.39	51.67	50.16	50.94	6,764,139	-4.66(-8.38%)
Feb 15, 2012	56.75	56.89	55.31	55.60	1,082,196	-0.90(-1.60%)
Feb 14, 2012	56.34	56.56	56.10	56.50	475,175	+0.09(+0.16%)
Feb 13, 2012	56.35	56.52	56.13	56.41	570,154	+0.32(+0.57%)
Feb 10, 2012	56.01	56.25	55.81	56.09	436,388	-0.26(-0.47%)
Feb 09, 2012	56.06	56.40	55.92	56.35	705,082	+0.29(+0.52%)
Feb 08, 2012	56.18	56.40	55.94	56.06	764,128	-0.03(-0.05%)
Feb 07, 2012	56.22	56.35	55.96	56.09	378,767	-0.14(-0.25%)
Feb 06, 2012	55.98	56.74	55.97	56.23	404,139	-0.03(-0.05%)
Feb 03, 2012	56.81	56.84	56.16	56.26	389,673	-0.13(-0.23%)
Feb 02, 2012	56.35	56.65	56.21	56.39	478,837	+0.10(+0.18%)

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