Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	57.16	57.30	57.10	57.27	4,425,722	+0.17(+0.30%)
Apr 27, 2012	57.23	57.23	57.01	57.10	2,346,950	-0.09(-0.15%)
Apr 26, 2012	57.08	57.26	57.07	57.18	2,420,751	+0.06(+0.10%)
Apr 25, 2012	56.92	57.13	56.84	57.13	1,877,983	+0.43(+0.76%)
Apr 24, 2012	56.66	56.74	56.60	56.69	1,886,246	+0.10(+0.18%)
Apr 23, 2012	56.48	56.69	56.39	56.59	2,510,865	-0.04(-0.08%)
Apr 20, 2012	56.71	56.75	56.56	56.64	3,228,934	+0.12(+0.20%)
Apr 19, 2012	56.69	56.74	56.51	56.52	1,936,075	-0.16(-0.28%)
Apr 18, 2012	56.61	56.77	56.61	56.68	3,776,283	-0.01(-0.01%)
Apr 17, 2012	56.54	56.77	56.45	56.69	2,635,946	+0.28(+0.50%)
Apr 16, 2012	56.43	56.54	56.17	56.41	2,970,851	+0.09(+0.15%)
Apr 13, 2012	56.49	56.54	56.26	56.32	2,930,241	-0.19(-0.33%)
Apr 12, 2012	56.20	56.54	56.16	56.51	2,761,800	+0.40(+0.72%)
Apr 11, 2012	56.05	56.20	55.87	56.10	4,099,065	+0.33(+0.59%)
Apr 10, 2012	55.97	56.15	55.70	55.77	5,545,174	-0.20(-0.36%)
Apr 09, 2012	56.12	56.15	55.93	55.97	6,939,129	-0.20(-0.36%)
Apr 05, 2012	56.42	56.45	56.17	56.17	3,396,770	-0.27(-0.49%)
Apr 04, 2012	56.45	56.55	56.33	56.45	3,548,244	-0.07(-0.13%)
Apr 03, 2012	56.59	56.72	56.49	56.52	3,333,889	-0.01(-0.03%)
Apr 02, 2012	56.61	56.75	56.52	56.54	6,618,339	+0.13(+0.23%)
Mar 30, 2012	56.72	56.73	56.40	56.40	4,880,873	-0.19(-0.33%)
Mar 29, 2012	56.47	56.76	56.47	56.59	2,571,464	+0.00(+0.00%)
Mar 28, 2012	56.90	56.90	56.56	56.59	2,511,857	-0.33(-0.58%)
Mar 27, 2012	56.86	57.03	56.83	56.92	4,016,569	+0.06(+0.10%)
Mar 26, 2012	56.62	56.86	56.62	56.86	2,868,948	+0.40(+0.71%)
Mar 23, 2012	56.66	56.67	56.46	56.46	4,695,499	-0.19(-0.33%)
Mar 22, 2012	56.59	56.76	56.57	56.65	2,998,665	-0.03(-0.05%)
Mar 21, 2012	56.82	56.82	56.57	56.67	2,099,188	-0.09(-0.15%)
Mar 20, 2012	56.70	56.85	56.66	56.76	3,391,038	-0.09(-0.15%)
Mar 19, 2012	56.66	56.89	56.59	56.85	2,297,810	+0.16(+0.28%)
Mar 16, 2012	56.76	56.83	56.47	56.69	3,123,713	-0.07(-0.13%)
Mar 15, 2012	56.90	56.92	56.67	56.76	2,114,655	-0.17(-0.30%)
Mar 14, 2012	57.09	57.06	56.70	56.93	3,875,493	-0.16(-0.28%)
Mar 13, 2012	56.82	57.10	56.72	57.09	3,401,999	+0.46(+0.81%)
Mar 12, 2012	56.75	56.75	56.57	56.63	2,804,161	-0.09(-0.15%)
Mar 09, 2012	56.80	56.85	56.67	56.72	2,881,185	+0.00(+0.00%)
Mar 08, 2012	56.50	56.73	56.42	56.72	3,426,362	+0.46(+0.81%)
Mar 07, 2012	56.27	56.40	56.19	56.26	6,912,586	+0.10(+0.18%)
Mar 06, 2012	56.59	56.60	56.15	56.16	6,039,866	-0.66(-1.16%)
Mar 05, 2012	56.99	57.06	56.66	56.82	2,559,981	-0.14(-0.25%)
Mar 02, 2012	57.15	57.18	56.96	56.96	1,822,488	-0.17(-0.30%)
Mar 01, 2012	57.10	57.23	57.10	57.13	2,451,072	+0.04(+0.06%)
Feb 29, 2012	57.10	57.20	56.97	57.10	4,185,132	+0.01(+0.03%)
Feb 28, 2012	56.97	57.14	56.97	57.08	1,746,134	+0.20(+0.35%)
Feb 27, 2012	56.90	57.03	56.84	56.88	2,103,270	-0.03(-0.05%)
Feb 24, 2012	56.87	57.01	55.60	56.91	2,043,876	+0.06(+0.10%)
Feb 23, 2012	56.63	56.95	56.54	56.85	3,463,837	+0.34(+0.60%)
Feb 22, 2012	56.41	56.60	56.40	56.51	2,796,339	+0.14(+0.25%)
Feb 21, 2012	56.33	56.50	56.19	56.37	2,831,152	+0.19(+0.33%)
Feb 17, 2012	56.31	56.31	56.06	56.19	2,467,963	+0.06(+0.10%)
Feb 16, 2012	56.01	56.20	55.81	56.13	3,930,740	+0.21(+0.38%)
Feb 15, 2012	56.17	56.27	55.90	55.91	2,771,855	-0.24(-0.43%)
Feb 14, 2012	56.26	56.27	56.16	56.16	4,230,336	-0.06(-0.10%)
Feb 13, 2012	56.40	56.41	56.19	56.21	3,459,865	+0.00(+0.00%)
Feb 10, 2012	56.23	56.33	56.17	56.21	4,616,063	-0.30(-0.53%)
Feb 09, 2012	56.46	56.56	56.33	56.51	11,319,686	+0.11(+0.20%)
Feb 08, 2012	56.46	56.53	56.30	56.40	3,608,668	+0.04(+0.08%)
Feb 07, 2012	56.33	56.48	56.19	56.36	5,273,807	+0.10(+0.18%)
Feb 06, 2012	56.24	56.26	56.09	56.26	2,465,893	+0.01(+0.03%)
Feb 03, 2012	56.36	56.38	56.14	56.24	2,870,572	+0.14(+0.25%)
Feb 02, 2012	56.16	56.16	55.99	56.10	3,178,542	-0.01(-0.03%)

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