Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	55.58	55.96	55.33	55.47	2,788,398	+0.13(+0.24%)
Feb 25, 2011	55.59	55.97	55.06	55.34	1,811,294	-0.12(-0.22%)
Feb 24, 2011	55.05	55.71	54.75	55.46	2,204,652	+0.48(+0.87%)
Feb 23, 2011	55.41	55.91	54.57	54.98	2,310,851	-0.56(-1.01%)
Feb 22, 2011	56.33	56.36	55.35	55.54	1,881,776	-1.38(-2.42%)
Feb 18, 2011	56.73	57.04	56.61	56.92	2,705,125	+0.59(+1.05%)
Feb 17, 2011	55.94	56.48	55.80	56.33	1,320,465	+0.18(+0.32%)
Feb 16, 2011	56.62	56.69	55.54	56.15	2,001,296	-0.42(-0.73%)
Feb 15, 2011	55.68	56.64	55.44	56.56	2,558,468	+0.55(+0.98%)
Feb 14, 2011	56.54	56.59	55.75	56.02	1,825,035	-0.42(-0.75%)
Feb 11, 2011	56.17	56.64	55.81	56.44	1,827,980	+0.14(+0.25%)
Feb 10, 2011	56.76	56.77	56.15	56.30	2,858,256	-0.47(-0.82%)
Feb 09, 2011	56.53	56.99	56.24	56.77	2,348,746	+0.04(+0.06%)
Feb 08, 2011	56.14	56.81	55.85	56.73	2,718,342	+1.03(+1.84%)
Feb 07, 2011	55.33	55.74	55.18	55.70	1,934,183	+0.60(+1.08%)
Feb 04, 2011	55.28	55.37	54.87	55.11	1,811,246	-0.03(-0.05%)
Feb 03, 2011	55.70	55.70	54.89	55.14	1,973,990	-0.31(-0.55%)
Feb 02, 2011	55.26	55.93	55.22	55.44	2,284,653	+0.04(+0.07%)
Feb 01, 2011	55.01	55.48	54.70	55.40	1,693,226	+0.46(+0.84%)
Jan 31, 2011	54.11	54.95	54.04	54.95	2,953,560	+0.93(+1.71%)
Jan 28, 2011	55.42	55.53	53.82	54.02	3,198,683	-1.51(-2.72%)
Jan 27, 2011	54.36	55.75	54.36	55.53	4,277,735	+1.14(+2.09%)
Jan 26, 2011	54.07	54.79	53.14	54.39	4,902,955	+0.34(+0.63%)
Jan 25, 2011	52.96	54.13	52.89	54.05	3,954,844	+1.04(+1.97%)
Jan 24, 2011	52.80	53.26	52.66	53.01	2,154,921	-0.17(-0.32%)
Jan 21, 2011	53.71	53.82	53.11	53.17	2,586,135	-0.35(-0.65%)
Jan 20, 2011	52.83	53.54	52.81	53.52	3,303,943	+0.57(+1.07%)
Jan 19, 2011	52.58	52.96	52.37	52.96	3,047,816	-0.04(-0.08%)
Jan 18, 2011	52.74	53.23	52.18	53.00	4,511,696	+0.40(+0.76%)
Jan 14, 2011	52.23	52.67	51.90	52.60	2,099,052	+0.29(+0.56%)
Jan 13, 2011	52.36	52.58	52.06	52.31	2,801,105	+0.45(+0.87%)
Jan 12, 2011	52.12	52.40	51.78	51.86	1,629,817	+0.24(+0.47%)
Jan 11, 2011	51.76	52.00	51.45	51.62	2,626,001	+0.05(+0.10%)
Jan 10, 2011	51.98	51.98	51.33	51.56	2,636,432	-0.60(-1.15%)
Jan 07, 2011	51.97	52.38	51.72	52.17	4,580,352	+0.63(+1.23%)
Jan 06, 2011	51.03	52.15	50.85	51.53	2,803,240	+0.38(+0.75%)
Jan 05, 2011	50.68	51.31	50.59	51.15	3,285,170	+0.23(+0.46%)
Jan 04, 2011	50.88	51.01	50.31	50.92	3,261,599	+0.20(+0.39%)
Jan 03, 2011	50.90	51.12	50.62	50.72	3,822,620	-0.68(-1.32%)
Dec 31, 2010	51.14	51.67	50.89	51.41	2,008,305	+0.14(+0.27%)
Dec 30, 2010	51.10	51.51	50.94	51.27	1,912,358	-0.04(-0.08%)
Dec 29, 2010	51.51	51.75	51.27	51.31	1,929,128	-0.14(-0.27%)
Dec 28, 2010	51.51	51.61	51.03	51.45	1,802,402	-0.06(-0.11%)
Dec 27, 2010	51.31	51.67	51.09	51.51	1,483,684	+0.06(+0.11%)
Dec 23, 2010	50.98	51.68	50.93	51.45	1,692,368	+0.36(+0.69%)
Dec 22, 2010	51.08	51.09	50.78	51.09	1,263,916	+0.25(+0.48%)
Dec 21, 2010	50.84	51.23	50.72	50.85	1,733,523	+0.13(+0.26%)
Dec 20, 2010	50.99	51.05	50.44	50.72	2,366,965	-0.20(-0.38%)
Dec 17, 2010	50.94	51.07	50.51	50.91	4,055,041	-0.10(-0.20%)
Dec 16, 2010	50.54	51.06	50.21	51.01	2,326,687	+0.78(+1.54%)
Dec 15, 2010	50.49	50.70	50.17	50.24	2,326,998	-0.46(-0.90%)
Dec 14, 2010	50.12	50.99	50.12	50.70	3,775,196	+0.42(+0.84%)
Dec 13, 2010	50.50	50.59	49.65	50.28	3,539,320	-0.12(-0.23%)
Dec 10, 2010	49.92	50.51	49.83	50.39	2,737,157	+0.49(+0.97%)
Dec 09, 2010	49.92	50.12	49.23	49.91	3,221,783	+0.30(+0.61%)
Dec 08, 2010	49.78	49.82	49.20	49.60	2,115,618	-0.19(-0.38%)
Dec 07, 2010	49.50	50.08	49.36	49.79	3,286,470	+0.80(+1.63%)
Dec 06, 2010	48.96	49.12	48.51	48.99	2,758,526	+0.04(+0.07%)
Dec 03, 2010	48.94	49.17	48.74	48.96	2,545,939	-0.16(-0.32%)
Dec 02, 2010	49.15	49.55	48.81	49.12	2,890,243	+0.13(+0.27%)

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