Date	Open	High	Low	Close	Volume	Change (%)
Mar 30, 2012	57.05	57.06	56.73	56.73	4,852,512	-0.19(-0.33%)
Mar 29, 2012	56.80	57.09	56.80	56.92	2,556,523	+0.00(+0.00%)
Mar 28, 2012	57.24	57.24	56.89	56.92	2,497,261	-0.33(-0.58%)
Mar 27, 2012	57.19	57.37	57.16	57.25	3,993,230	+0.06(+0.10%)
Mar 26, 2012	56.95	57.19	56.95	57.19	2,852,277	+0.40(+0.71%)
Mar 23, 2012	56.99	57.01	56.79	56.79	4,668,215	-0.19(-0.33%)
Mar 22, 2012	56.92	57.09	56.91	56.98	2,981,241	-0.03(-0.05%)
Mar 21, 2012	57.15	57.15	56.91	57.01	2,086,990	-0.09(-0.15%)
Mar 20, 2012	57.04	57.18	56.99	57.09	3,371,334	-0.09(-0.15%)
Mar 19, 2012	56.99	57.22	56.92	57.18	2,284,458	+0.16(+0.28%)
Mar 16, 2012	57.09	57.16	56.80	57.02	3,105,562	-0.07(-0.13%)
Mar 15, 2012	57.24	57.25	57.01	57.09	2,102,368	-0.17(-0.30%)
Mar 14, 2012	57.42	57.40	57.04	57.27	3,852,974	-0.16(-0.28%)
Mar 13, 2012	57.15	57.44	57.05	57.42	3,382,231	+0.46(+0.81%)
Mar 12, 2012	57.08	57.08	56.91	56.96	2,787,867	-0.09(-0.15%)
Mar 09, 2012	57.14	57.18	57.01	57.05	2,864,443	+0.00(+0.00%)
Mar 08, 2012	56.83	57.06	56.75	57.05	3,406,453	+0.46(+0.81%)
Mar 07, 2012	56.60	56.73	56.52	56.59	6,872,420	+0.10(+0.18%)
Mar 06, 2012	56.92	56.93	56.47	56.49	6,004,771	-0.66(-1.16%)
Mar 05, 2012	57.32	57.40	56.99	57.15	2,545,106	-0.14(-0.25%)
Mar 02, 2012	57.48	57.52	57.29	57.29	1,811,898	-0.17(-0.30%)
Mar 01, 2012	57.44	57.57	57.44	57.47	2,436,829	+0.04(+0.06%)
Feb 29, 2012	57.43	57.53	57.30	57.43	4,160,815	+0.01(+0.03%)
Feb 28, 2012	57.30	57.47	57.30	57.42	1,735,989	+0.20(+0.35%)
Feb 27, 2012	57.23	57.36	57.17	57.22	2,091,050	-0.03(-0.05%)
Feb 24, 2012	57.20	57.34	55.93	57.24	2,032,001	+0.06(+0.10%)
Feb 23, 2012	56.96	57.29	56.87	57.19	3,443,711	+0.34(+0.60%)
Feb 22, 2012	56.74	56.93	56.73	56.84	2,780,091	+0.14(+0.25%)
Feb 21, 2012	56.66	56.83	56.51	56.70	2,814,702	+0.19(+0.33%)
Feb 17, 2012	56.64	56.64	56.38	56.51	2,453,624	+0.06(+0.10%)
Feb 16, 2012	56.34	56.53	56.14	56.46	3,907,902	+0.21(+0.38%)
Feb 15, 2012	56.50	56.60	56.23	56.24	2,755,750	-0.24(-0.43%)
Feb 14, 2012	56.59	56.60	56.48	56.48	4,205,757	-0.06(-0.10%)
Feb 13, 2012	56.73	56.74	56.51	56.54	3,439,762	+0.00(+0.00%)
Feb 10, 2012	56.56	56.66	56.50	56.54	4,589,243	-0.30(-0.53%)
Feb 09, 2012	56.79	56.89	56.66	56.84	11,253,917	+0.11(+0.20%)
Feb 08, 2012	56.79	56.86	56.63	56.73	3,587,701	+0.04(+0.08%)
Feb 07, 2012	56.66	56.81	56.51	56.69	5,243,165	+0.10(+0.18%)
Feb 06, 2012	56.57	56.59	56.41	56.59	2,451,566	+0.01(+0.03%)
Feb 03, 2012	56.69	56.71	56.47	56.57	2,853,894	+0.14(+0.25%)
Feb 02, 2012	56.48	56.48	56.31	56.43	3,160,074	-0.01(-0.03%)
Feb 01, 2012	56.34	56.61	56.31	56.44	4,282,224	+0.21(+0.37%)
Jan 31, 2012	56.40	56.40	56.18	56.23	3,065,075	+0.01(+0.03%)
Jan 30, 2012	56.05	56.29	55.98	56.22	3,094,476	+0.00(+0.00%)
Jan 27, 2012	56.39	56.45	56.22	56.22	2,417,445	-0.17(-0.30%)
Jan 26, 2012	56.49	56.60	56.32	56.39	7,254,190	+0.13(+0.23%)
Jan 25, 2012	55.83	56.36	55.72	56.26	3,906,661	+0.48(+0.87%)
Jan 24, 2012	55.72	55.92	55.61	55.78	3,301,362	+0.04(+0.08%)
Jan 23, 2012	55.59	55.89	55.58	55.73	3,973,465	+0.23(+0.41%)
Jan 20, 2012	55.46	55.61	55.42	55.51	3,307,703	+0.09(+0.15%)
Jan 19, 2012	55.38	55.63	55.26	55.42	5,773,005	+0.16(+0.28%)
Jan 18, 2012	55.01	55.35	54.92	55.26	4,214,528	+0.31(+0.57%)
Jan 17, 2012	55.12	55.18	54.92	54.95	3,952,444	-0.04(-0.08%)
Jan 13, 2012	54.92	55.04	54.54	54.99	2,753,989	+0.00(+0.00%)
Jan 12, 2012	55.14	55.14	54.87	54.99	3,011,728	+0.00(+0.00%)
Jan 11, 2012	55.02	55.15	54.99	54.99	3,146,589	-0.09(-0.16%)
Jan 10, 2012	55.12	55.18	55.04	55.08	4,900,653	+0.27(+0.49%)
Jan 09, 2012	54.88	54.99	54.81	54.81	2,920,894	+0.00(+0.00%)
Jan 06, 2012	54.97	55.01	54.71	54.81	2,630,241	-0.04(-0.08%)
Jan 05, 2012	55.01	55.01	54.74	54.85	4,090,593	-0.20(-0.36%)

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