Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	57.62	57.69	57.00	57.16	1,163,509	-0.28(-0.49%)
Feb 25, 2011	57.44	57.87	57.24	57.45	863,157	+0.45(+0.79%)
Feb 24, 2011	56.23	57.19	56.23	57.00	1,279,892	+0.62(+1.10%)
Feb 23, 2011	57.37	57.72	55.99	56.37	942,247	-0.91(-1.59%)
Feb 22, 2011	58.78	58.78	57.12	57.29	1,108,919	-2.03(-3.42%)
Feb 18, 2011	58.31	59.70	58.29	59.32	1,998,094	+1.14(+1.95%)
Feb 17, 2011	58.51	58.65	57.74	58.18	1,166,419	-0.45(-0.77%)
Feb 16, 2011	58.85	58.97	57.99	58.64	747,313	-0.01(-0.02%)
Feb 15, 2011	58.90	58.90	58.15	58.65	1,958,903	-0.38(-0.65%)
Feb 14, 2011	59.28	59.43	58.79	59.03	1,063,984	-0.31(-0.52%)
Feb 11, 2011	59.25	59.48	59.13	59.34	970,101	-0.27(-0.46%)
Feb 10, 2011	59.24	59.61	58.75	59.61	1,317,467	+0.39(+0.66%)
Feb 09, 2011	59.19	59.28	58.84	59.22	1,037,332	+0.04(+0.06%)
Feb 08, 2011	58.87	59.20	58.74	59.19	1,489,987	+0.42(+0.71%)
Feb 07, 2011	58.56	58.91	58.40	58.77	1,486,850	+0.39(+0.67%)
Feb 04, 2011	58.26	58.67	58.00	58.38	1,407,061	+0.06(+0.11%)
Feb 03, 2011	57.75	58.47	57.60	58.32	2,601,732	+0.46(+0.79%)
Feb 02, 2011	57.39	58.13	57.27	57.86	1,377,367	+0.26(+0.44%)
Feb 01, 2011	57.07	57.70	56.80	57.60	1,588,469	+0.91(+1.61%)
Jan 31, 2011	56.59	56.84	56.30	56.69	1,540,442	+0.29(+0.52%)
Jan 28, 2011	57.29	57.48	55.85	56.40	2,027,727	-0.96(-1.68%)
Jan 27, 2011	56.81	57.75	56.76	57.37	1,432,765	+0.56(+0.98%)
Jan 26, 2011	56.92	57.42	56.57	56.81	2,204,924	-0.08(-0.14%)
Jan 25, 2011	56.24	56.92	56.08	56.89	2,008,555	+0.67(+1.20%)
Jan 24, 2011	56.45	56.45	55.96	56.22	2,177,454	-0.10(-0.17%)
Jan 21, 2011	56.55	56.70	56.00	56.31	3,334,818	+0.77(+1.38%)
Jan 20, 2011	55.76	57.00	55.37	55.55	2,684,194	-0.37(-0.66%)
Jan 19, 2011	55.96	56.75	55.75	55.92	3,299,764	-0.14(-0.25%)
Jan 18, 2011	54.99	56.20	54.99	56.06	1,641,052	+1.10(+2.01%)
Jan 14, 2011	54.65	55.20	54.48	54.95	1,346,478	+0.19(+0.36%)
Jan 13, 2011	53.84	55.16	53.78	54.76	2,374,567	+0.98(+1.82%)
Jan 12, 2011	53.45	53.87	53.45	53.78	1,823,296	+0.55(+1.03%)
Jan 11, 2011	53.34	53.63	52.94	53.23	1,213,852	+0.02(+0.03%)
Jan 10, 2011	52.93	53.32	52.59	53.21	1,321,821	+0.09(+0.17%)
Jan 07, 2011	52.65	53.36	52.42	53.12	1,593,643	+0.59(+1.13%)
Jan 06, 2011	52.04	52.68	51.95	52.53	1,377,803	+0.42(+0.81%)
Jan 05, 2011	51.50	52.12	51.15	52.11	1,435,015	+0.32(+0.61%)
Jan 04, 2011	52.03	52.03	51.40	51.79	1,430,127	-0.05(-0.10%)
Jan 03, 2011	51.88	52.12	51.48	51.84	1,134,603	+0.34(+0.67%)
Dec 31, 2010	51.33	51.57	51.21	51.50	449,327	+0.11(+0.21%)
Dec 30, 2010	51.38	51.61	51.33	51.39	583,072	+0.01(+0.02%)
Dec 29, 2010	51.53	51.62	51.34	51.38	527,079	-0.12(-0.24%)
Dec 28, 2010	51.33	51.51	50.97	51.51	413,359	+0.26(+0.50%)
Dec 27, 2010	51.45	51.45	50.84	51.25	579,935	-0.29(-0.57%)
Dec 23, 2010	51.41	51.59	51.29	51.54	664,160	-0.01(-0.02%)
Dec 22, 2010	51.23	51.55	51.08	51.55	616,300	+0.32(+0.62%)
Dec 21, 2010	51.30	51.52	50.97	51.23	612,248	+0.24(+0.47%)
Dec 20, 2010	51.76	51.90	50.85	50.99	916,925	-0.57(-1.10%)
Dec 17, 2010	51.30	51.64	50.98	51.56	1,073,352	+0.16(+0.31%)
Dec 16, 2010	50.88	51.43	50.70	51.40	548,496	+0.54(+1.06%)
Dec 15, 2010	51.31	51.45	50.82	50.86	653,114	-0.62(-1.20%)
Dec 14, 2010	51.36	51.62	51.28	51.48	851,714	+0.27(+0.54%)
Dec 13, 2010	51.56	51.66	51.18	51.20	711,897	-0.23(-0.45%)
Dec 10, 2010	51.34	51.62	51.08	51.43	701,888	+0.26(+0.50%)
Dec 09, 2010	51.72	51.73	51.08	51.18	823,161	-0.30(-0.58%)
Dec 08, 2010	51.44	51.71	51.06	51.48	1,004,739	+0.02(+0.03%)
Dec 07, 2010	51.97	52.16	51.35	51.46	1,553,754	-0.07(-0.14%)
Dec 06, 2010	51.35	51.63	51.05	51.53	934,419	+0.14(+0.28%)
Dec 03, 2010	51.44	51.60	51.05	51.39	2,065,325	-0.18(-0.34%)
Dec 02, 2010	50.82	51.61	50.62	51.57	2,076,874	+0.86(+1.69%)

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