Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	56.83	56.98	56.78	56.95	4,450,759	+0.17(+0.30%)
Apr 27, 2012	56.91	56.91	56.69	56.78	2,360,227	-0.09(-0.15%)
Apr 26, 2012	56.76	56.93	56.75	56.86	2,434,446	+0.06(+0.10%)
Apr 25, 2012	56.60	56.80	56.52	56.80	1,888,607	+0.43(+0.76%)
Apr 24, 2012	56.35	56.42	56.28	56.37	1,896,917	+0.10(+0.18%)
Apr 23, 2012	56.16	56.37	56.07	56.27	2,525,070	-0.04(-0.08%)
Apr 20, 2012	56.39	56.43	56.24	56.32	3,247,201	+0.11(+0.20%)
Apr 19, 2012	56.37	56.42	56.19	56.20	1,947,028	-0.16(-0.28%)
Apr 18, 2012	56.29	56.45	56.29	56.36	3,797,646	-0.01(-0.01%)
Apr 17, 2012	56.22	56.45	56.13	56.37	2,650,859	+0.28(+0.50%)
Apr 16, 2012	56.12	56.22	55.86	56.09	2,987,657	+0.09(+0.15%)
Apr 13, 2012	56.17	56.22	55.95	56.00	2,946,818	-0.19(-0.33%)
Apr 12, 2012	55.89	56.22	55.84	56.19	2,777,424	+0.40(+0.72%)
Apr 11, 2012	55.73	55.89	55.56	55.79	4,122,254	+0.33(+0.59%)
Apr 10, 2012	55.66	55.83	55.39	55.46	5,576,544	-0.20(-0.36%)
Apr 09, 2012	55.80	55.83	55.62	55.66	6,978,385	-0.20(-0.36%)
Apr 05, 2012	56.10	56.13	55.86	55.86	3,415,987	-0.27(-0.49%)
Apr 04, 2012	56.13	56.23	56.02	56.13	3,568,317	-0.07(-0.13%)
Apr 03, 2012	56.27	56.40	56.17	56.20	3,352,749	-0.01(-0.03%)
Apr 02, 2012	56.29	56.43	56.20	56.22	6,655,780	+0.13(+0.23%)
Mar 30, 2012	56.40	56.41	56.09	56.09	4,908,485	-0.19(-0.33%)
Mar 29, 2012	56.16	56.44	56.16	56.27	2,586,012	+0.00(+0.00%)
Mar 28, 2012	56.58	56.58	56.24	56.27	2,526,067	-0.33(-0.58%)
Mar 27, 2012	56.54	56.71	56.51	56.60	4,039,291	+0.06(+0.10%)
Mar 26, 2012	56.30	56.54	56.30	56.54	2,885,178	+0.40(+0.71%)
Mar 23, 2012	56.34	56.36	56.14	56.14	4,722,062	-0.19(-0.33%)
Mar 22, 2012	56.27	56.44	56.26	56.33	3,015,629	-0.03(-0.05%)
Mar 21, 2012	56.50	56.50	56.26	56.36	2,111,063	-0.09(-0.15%)
Mar 20, 2012	56.38	56.53	56.34	56.44	3,410,222	-0.09(-0.15%)
Mar 19, 2012	56.34	56.57	56.27	56.53	2,310,809	+0.16(+0.28%)
Mar 16, 2012	56.44	56.51	56.16	56.37	3,141,384	-0.07(-0.13%)
Mar 15, 2012	56.58	56.60	56.36	56.44	2,126,618	-0.17(-0.30%)
Mar 14, 2012	56.77	56.74	56.38	56.61	3,897,417	-0.16(-0.28%)
Mar 13, 2012	56.50	56.78	56.40	56.77	3,421,245	+0.46(+0.81%)
Mar 12, 2012	56.43	56.43	56.26	56.31	2,820,025	-0.09(-0.15%)
Mar 09, 2012	56.48	56.53	56.36	56.40	2,897,484	+0.00(+0.00%)
Mar 08, 2012	56.19	56.41	56.10	56.40	3,445,745	+0.46(+0.81%)
Mar 07, 2012	55.96	56.09	55.87	55.94	6,951,693	+0.10(+0.18%)
Mar 06, 2012	56.27	56.28	55.83	55.84	6,074,035	-0.66(-1.16%)
Mar 05, 2012	56.67	56.74	56.34	56.50	2,574,464	-0.14(-0.25%)
Mar 02, 2012	56.83	56.86	56.64	56.64	1,832,798	-0.17(-0.30%)
Mar 01, 2012	56.78	56.91	56.78	56.81	2,464,938	+0.04(+0.06%)
Feb 29, 2012	56.78	56.87	56.65	56.78	4,208,808	+0.01(+0.03%)
Feb 28, 2012	56.65	56.82	56.65	56.76	1,756,012	+0.20(+0.35%)
Feb 27, 2012	56.58	56.70	56.52	56.56	2,115,169	-0.03(-0.05%)
Feb 24, 2012	56.55	56.69	55.29	56.59	2,055,438	+0.06(+0.10%)
Feb 23, 2012	56.31	56.63	56.22	56.53	3,483,432	+0.34(+0.60%)
Feb 22, 2012	56.10	56.28	56.08	56.19	2,812,158	+0.14(+0.25%)
Feb 21, 2012	56.01	56.18	55.87	56.05	2,847,168	+0.18(+0.33%)
Feb 17, 2012	56.00	56.00	55.74	55.87	2,481,925	+0.06(+0.10%)
Feb 16, 2012	55.70	55.88	55.50	55.81	3,952,977	+0.21(+0.38%)
Feb 15, 2012	55.85	55.95	55.59	55.60	2,787,536	-0.24(-0.43%)
Feb 14, 2012	55.94	55.95	55.84	55.84	4,254,268	-0.06(-0.10%)
Feb 13, 2012	56.08	56.10	55.87	55.90	3,479,438	+0.00(+0.00%)
Feb 10, 2012	55.91	56.01	55.85	55.90	4,642,177	-0.30(-0.53%)
Feb 09, 2012	56.14	56.24	56.01	56.19	11,383,724	+0.11(+0.20%)
Feb 08, 2012	56.14	56.21	55.98	56.08	3,629,083	+0.04(+0.08%)
Feb 07, 2012	56.01	56.17	55.87	56.04	5,303,642	+0.10(+0.18%)
Feb 06, 2012	55.93	55.94	55.77	55.94	2,479,843	+0.01(+0.03%)
Feb 03, 2012	56.04	56.07	55.83	55.93	2,886,812	+0.14(+0.25%)
Feb 02, 2012	55.84	55.84	55.67	55.78	3,196,523	-0.01(-0.03%)

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