Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	53.66	54.40	53.61	54.29	4,555,288	+0.89(+1.66%)
Feb 25, 2011	53.17	53.74	53.16	53.40	2,504,671	+0.43(+0.81%)
Feb 24, 2011	52.84	53.37	52.48	52.97	2,545,837	+0.10(+0.19%)
Feb 23, 2011	53.57	53.57	52.56	52.87	3,834,830	-0.76(-1.42%)
Feb 22, 2011	54.52	54.74	53.60	53.63	2,914,613	-1.12(-2.04%)
Feb 18, 2011	54.31	54.79	53.93	54.75	2,935,577	+0.43(+0.79%)
Feb 17, 2011	53.92	54.45	53.76	54.32	1,873,708	-0.09(-0.16%)
Feb 16, 2011	54.08	54.51	54.01	54.41	1,976,828	+0.46(+0.85%)
Feb 15, 2011	53.97	54.11	53.80	53.95	2,011,535	-0.24(-0.44%)
Feb 14, 2011	54.48	54.52	54.09	54.19	1,680,724	-0.28(-0.51%)
Feb 11, 2011	53.76	54.48	53.76	54.47	2,311,920	+0.36(+0.66%)
Feb 10, 2011	54.03	54.19	53.67	54.11	2,670,684	-0.09(-0.16%)
Feb 09, 2011	53.98	54.27	53.80	54.20	2,405,276	+0.05(+0.10%)
Feb 08, 2011	53.73	54.16	53.65	54.15	2,446,962	+0.40(+0.74%)
Feb 07, 2011	53.54	53.77	53.29	53.75	3,380,290	+0.09(+0.16%)
Feb 04, 2011	53.65	53.87	53.18	53.66	2,589,158	+0.07(+0.14%)
Feb 03, 2011	51.95	53.74	51.95	53.59	5,221,951	+2.30(+4.49%)
Feb 02, 2011	52.23	52.47	51.06	51.29	6,153,891	-1.14(-2.18%)
Feb 01, 2011	52.28	52.58	52.05	52.43	2,759,685	+0.43(+0.82%)
Jan 31, 2011	52.29	52.43	51.84	52.00	3,189,613	-0.07(-0.13%)
Jan 28, 2011	53.08	53.26	51.94	52.07	3,351,332	-0.86(-1.63%)
Jan 27, 2011	52.73	53.35	52.67	52.93	3,943,180	+0.36(+0.69%)
Jan 26, 2011	52.46	52.83	52.28	52.57	2,892,288	+0.12(+0.22%)
Jan 25, 2011	52.49	52.56	51.91	52.45	3,895,595	-0.12(-0.22%)
Jan 24, 2011	52.74	52.76	52.40	52.57	3,056,465	-0.11(-0.21%)
Jan 21, 2011	52.47	52.81	52.37	52.68	3,015,414	+0.30(+0.57%)
Jan 20, 2011	51.97	52.79	51.97	52.38	3,186,618	+0.21(+0.40%)
Jan 19, 2011	52.39	52.47	52.01	52.17	3,191,681	-0.38(-0.73%)
Jan 18, 2011	52.51	52.78	52.32	52.55	3,338,347	+0.07(+0.12%)
Jan 14, 2011	51.65	52.50	51.55	52.49	3,391,086	+0.66(+1.27%)
Jan 13, 2011	51.63	51.94	51.58	51.83	2,656,532	+0.08(+0.15%)
Jan 12, 2011	51.54	51.89	51.48	51.75	2,251,558	+0.30(+0.59%)
Jan 11, 2011	51.07	51.58	50.90	51.45	2,853,259	+0.43(+0.84%)
Jan 10, 2011	50.87	51.11	50.69	51.02	2,863,931	-0.12(-0.24%)
Jan 07, 2011	51.36	51.53	51.00	51.14	3,236,288	+0.00(+0.00%)
Jan 06, 2011	50.93	51.58	50.68	51.14	4,531,664	-0.25(-0.48%)
Jan 05, 2011	52.11	52.19	51.32	51.39	5,898,861	-0.97(-1.85%)
Jan 04, 2011	52.50	52.50	51.95	52.36	5,479,679	-0.10(-0.19%)
Jan 03, 2011	52.66	53.17	52.40	52.46	4,704,381	+0.19(+0.36%)
Dec 31, 2010	52.62	52.84	52.26	52.27	1,801,607	-0.46(-0.88%)
Dec 30, 2010	52.63	52.82	52.56	52.73	1,968,159	+0.11(+0.21%)
Dec 29, 2010	52.76	52.96	52.53	52.63	2,108,512	-0.01(-0.01%)
Dec 28, 2010	52.29	52.75	52.22	52.63	2,727,573	+0.46(+0.87%)
Dec 27, 2010	52.03	52.32	51.92	52.18	1,596,576	-0.12(-0.22%)
Dec 23, 2010	52.24	52.45	52.08	52.29	1,905,479	-0.02(-0.04%)
Dec 22, 2010	52.36	52.51	52.12	52.32	2,690,791	-0.04(-0.07%)
Dec 21, 2010	52.53	52.68	52.31	52.35	3,039,785	+0.01(+0.01%)
Dec 20, 2010	52.04	52.52	51.95	52.34	3,635,619	+0.34(+0.65%)
Dec 17, 2010	52.07	52.44	51.90	52.00	8,927,317	-0.20(-0.39%)
Dec 16, 2010	51.43	52.29	51.40	52.21	4,765,461	+0.77(+1.51%)
Dec 15, 2010	51.40	51.72	51.32	51.43	4,866,209	-0.12(-0.22%)
Dec 14, 2010	51.18	51.79	51.11	51.55	3,705,575	+0.34(+0.66%)
Dec 13, 2010	51.49	51.75	51.06	51.21	8,008,214	-0.37(-0.72%)
Dec 10, 2010	51.21	51.60	51.12	51.58	4,912,222	+0.17(+0.32%)
Dec 09, 2010	50.45	51.49	50.15	51.41	9,361,916	+1.28(+2.56%)
Dec 08, 2010	50.22	50.46	49.61	50.13	5,099,317	-0.28(-0.56%)
Dec 07, 2010	50.45	50.72	50.03	50.41	7,066,526	+0.33(+0.65%)
Dec 06, 2010	49.46	50.24	49.46	50.09	4,649,826	+0.58(+1.17%)
Dec 03, 2010	49.85	50.14	49.40	49.51	4,273,157	-0.45(-0.90%)
Dec 02, 2010	49.60	50.03	49.32	49.96	4,543,250	+0.51(+1.02%)

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