Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	57.49	57.63	57.43	57.61	4,400,007	+0.17(+0.30%)
Apr 27, 2012	57.56	57.56	57.34	57.43	2,333,313	-0.09(-0.15%)
Apr 26, 2012	57.42	57.59	57.40	57.52	2,406,686	+0.06(+0.10%)
Apr 25, 2012	57.26	57.46	57.17	57.46	1,867,071	+0.43(+0.76%)
Apr 24, 2012	57.00	57.07	56.93	57.03	1,875,287	+0.10(+0.18%)
Apr 23, 2012	56.81	57.03	56.72	56.92	2,496,277	-0.04(-0.08%)
Apr 20, 2012	57.04	57.08	56.89	56.97	3,210,173	+0.12(+0.20%)
Apr 19, 2012	57.03	57.07	56.84	56.85	1,924,826	-0.16(-0.28%)
Apr 18, 2012	56.94	57.10	56.94	57.01	3,754,342	-0.01(-0.01%)
Apr 17, 2012	56.87	57.10	56.78	57.02	2,620,631	+0.28(+0.50%)
Apr 16, 2012	56.76	56.87	56.50	56.74	2,953,589	+0.09(+0.15%)
Apr 13, 2012	56.82	56.87	56.59	56.65	2,913,216	-0.19(-0.33%)
Apr 12, 2012	56.53	56.87	56.49	56.84	2,745,753	+0.41(+0.72%)
Apr 11, 2012	56.37	56.53	56.20	56.43	4,075,248	+0.33(+0.59%)
Apr 10, 2012	56.30	56.47	56.02	56.10	5,512,955	-0.20(-0.36%)
Apr 09, 2012	56.45	56.47	56.26	56.30	6,898,811	-0.20(-0.36%)
Apr 05, 2012	56.75	56.78	56.50	56.50	3,377,034	-0.28(-0.49%)
Apr 04, 2012	56.78	56.88	56.66	56.78	3,527,628	-0.07(-0.13%)
Apr 03, 2012	56.92	57.05	56.82	56.85	3,314,518	-0.01(-0.03%)
Apr 02, 2012	56.94	57.08	56.85	56.87	6,579,884	+0.13(+0.23%)
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%)

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