Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	50.65	50.93	50.61	50.93	2,754,029	+0.41(+0.81%)
Feb 25, 2011	50.12	50.54	50.11	50.52	2,284,177	+0.57(+1.14%)
Feb 24, 2011	49.94	50.12	49.49	49.95	2,900,409	-0.08(-0.16%)
Feb 23, 2011	50.26	50.40	49.69	50.03	4,407,066	-0.21(-0.41%)
Feb 22, 2011	50.73	51.02	50.11	50.24	6,411,506	-1.04(-2.04%)
Feb 18, 2011	51.29	51.33	51.11	51.28	2,033,833	+0.07(+0.14%)
Feb 17, 2011	50.83	51.27	50.83	51.21	1,787,144	+0.24(+0.46%)
Feb 16, 2011	50.89	51.01	50.72	50.97	2,284,887	+0.28(+0.55%)
Feb 15, 2011	50.61	50.77	50.56	50.69	1,531,736	-0.12(-0.23%)
Feb 14, 2011	50.71	50.84	50.57	50.81	1,827,913	+0.11(+0.22%)
Feb 11, 2011	50.22	50.78	50.17	50.70	1,929,003	+0.30(+0.59%)
Feb 10, 2011	50.08	50.45	50.03	50.40	2,737,043	+0.08(+0.16%)
Feb 09, 2011	50.36	50.49	50.09	50.32	3,258,297	-0.19(-0.38%)
Feb 08, 2011	50.30	50.53	50.18	50.51	2,195,800	+0.24(+0.47%)
Feb 07, 2011	50.04	50.40	50.03	50.28	2,204,959	+0.34(+0.68%)
Feb 04, 2011	49.90	49.94	49.60	49.94	1,800,851	+0.07(+0.13%)
Feb 03, 2011	49.69	49.94	49.40	49.87	2,559,588	+0.09(+0.18%)
Feb 02, 2011	49.78	49.93	49.74	49.78	1,576,790	-0.13(-0.25%)

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