Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	60.45	60.94	59.93	60.67	7,292,808	+1.30(+2.19%)
Feb 25, 2011	59.04	59.64	59.00	59.37	4,346,930	+0.14(+0.24%)
Feb 24, 2011	59.49	59.68	58.72	59.22	6,074,740	-0.15(-0.25%)
Feb 23, 2011	60.89	60.90	59.12	59.37	8,150,150	-1.14(-1.89%)
Feb 22, 2011	61.00	61.60	60.40	60.52	7,649,991	-0.63(-1.03%)
Feb 18, 2011	61.00	61.16	60.55	61.15	5,222,069	+0.15(+0.25%)
Feb 17, 2011	60.61	61.15	60.53	61.00	4,764,412	+0.26(+0.43%)
Feb 16, 2011	60.16	61.14	60.16	60.74	5,938,490	+0.58(+0.96%)
Feb 15, 2011	59.84	60.25	59.50	60.16	4,544,930	+0.07(+0.11%)
Feb 14, 2011	59.97	60.35	59.97	60.09	5,228,630	+0.07(+0.11%)
Feb 11, 2011	59.07	60.12	58.89	60.03	5,214,992	+0.79(+1.34%)
Feb 10, 2011	59.01	59.29	58.82	59.24	4,262,938	-0.12(-0.21%)
Feb 09, 2011	58.50	59.40	58.62	59.36	7,320,105	+0.86(+1.46%)
Feb 08, 2011	58.18	58.52	58.05	58.50	4,142,229	+0.44(+0.77%)
Feb 07, 2011	57.65	58.36	57.42	58.06	4,009,366	+0.33(+0.57%)
Feb 04, 2011	57.49	57.80	57.31	57.73	3,018,663	+0.25(+0.43%)
Feb 03, 2011	57.42	57.72	57.25	57.48	3,031,318	+0.10(+0.18%)
Feb 02, 2011	57.33	57.84	57.33	57.38	4,423,581	-0.03(-0.05%)
Feb 01, 2011	57.55	57.74	57.18	57.40	6,109,930	-0.09(-0.15%)
Jan 31, 2011	57.50	57.67	57.09	57.49	6,295,441	+0.31(+0.55%)
Jan 28, 2011	58.48	58.65	57.05	57.18	7,535,665	-1.14(-1.96%)
Jan 27, 2011	58.33	59.04	58.21	58.32	5,019,775	-0.25(-0.42%)
Jan 26, 2011	57.92	58.67	57.82	58.57	6,266,938	+0.70(+1.21%)
Jan 25, 2011	58.46	58.52	57.02	57.87	11,440,629	-1.19(-2.01%)
Jan 24, 2011	58.33	59.18	58.23	59.06	9,664,627	+0.67(+1.15%)
Jan 21, 2011	57.97	58.45	57.78	58.39	5,981,754	+0.82(+1.42%)
Jan 20, 2011	57.45	57.79	57.05	57.57	3,315,564	+0.05(+0.09%)
Jan 19, 2011	57.71	58.03	57.32	57.52	3,520,808	-0.12(-0.20%)
Jan 18, 2011	57.44	57.87	57.35	57.63	3,553,646	+0.03(+0.05%)
Jan 14, 2011	57.37	57.61	57.18	57.61	3,202,737	+0.04(+0.07%)
Jan 13, 2011	57.85	58.11	57.38	57.57	3,596,811	-0.41(-0.70%)
Jan 12, 2011	57.55	58.04	57.49	57.97	4,179,419	+0.60(+1.05%)
Jan 11, 2011	57.10	57.76	57.10	57.37	4,627,523	+0.39(+0.68%)
Jan 10, 2011	56.05	57.10	56.05	56.99	5,314,682	+0.60(+1.07%)
Jan 07, 2011	56.59	57.09	56.20	56.38	5,131,590	+0.02(+0.04%)
Jan 06, 2011	56.80	57.01	55.99	56.36	5,280,713	-0.31(-0.54%)
Jan 05, 2011	56.42	57.48	56.31	56.67	6,241,994	+0.00(+0.00%)
Jan 04, 2011	56.89	57.07	56.42	56.67	4,043,610	-0.08(-0.14%)
Jan 03, 2011	56.72	57.10	56.72	56.75	4,026,370	+0.32(+0.57%)
Dec 31, 2010	56.58	56.87	56.24	56.43	2,739,652	-0.16(-0.28%)
Dec 30, 2010	56.74	56.91	56.48	56.59	2,298,394	-0.14(-0.25%)
Dec 29, 2010	56.78	57.02	56.59	56.73	2,549,080	+0.01(+0.02%)
Dec 28, 2010	56.89	57.16	56.52	56.72	2,706,770	-0.18(-0.31%)
Dec 27, 2010	56.48	57.05	56.23	56.89	2,424,654	+0.35(+0.62%)
Dec 23, 2010	56.75	56.80	56.38	56.54	2,890,931	-0.16(-0.29%)
Dec 22, 2010	56.50	56.82	56.12	56.70	3,665,466	+0.12(+0.22%)
Dec 21, 2010	57.23	57.28	56.38	56.58	4,995,638	-0.53(-0.93%)
Dec 20, 2010	56.63	57.42	56.31	57.11	6,100,954	+0.63(+1.12%)
Dec 17, 2010	56.49	56.66	56.17	56.48	5,592,996	-0.02(-0.03%)
Dec 16, 2010	56.16	56.61	55.68	56.50	4,084,191	+0.39(+0.69%)
Dec 15, 2010	56.13	56.89	55.87	56.11	7,277,266	-0.02(-0.03%)
Dec 14, 2010	55.73	56.18	55.59	56.13	4,394,413	+0.35(+0.63%)
Dec 13, 2010	55.28	56.05	55.21	55.78	6,522,880	+0.64(+1.16%)
Dec 10, 2010	55.16	55.20	54.76	55.14	6,810,431	+0.14(+0.25%)
Dec 09, 2010	55.57	55.61	54.74	55.00	5,502,428	-0.37(-0.67%)
Dec 08, 2010	54.42	55.46	54.42	55.37	7,869,086	+0.32(+0.58%)
Dec 07, 2010	56.68	56.93	54.80	55.05	15,846,429	-1.86(-3.27%)
Dec 06, 2010	56.89	57.16	56.64	56.91	4,840,783	+0.07(+0.12%)
Dec 03, 2010	56.27	57.04	56.11	56.85	4,452,557	+0.28(+0.50%)
Dec 02, 2010	56.39	56.97	56.33	56.57	6,514,246	+0.30(+0.53%)

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