Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	54.85	55.17	54.59	54.92	1,834,229	+0.39(+0.72%)
Feb 25, 2011	54.35	55.08	54.01	54.53	2,256,217	+0.41(+0.76%)
Feb 24, 2011	54.22	55.07	53.31	54.12	4,065,841	-0.06(-0.11%)
Feb 23, 2011	56.35	56.35	53.41	54.18	4,982,137	-2.18(-3.87%)
Feb 22, 2011	56.52	57.67	56.22	56.36	3,060,769	-1.92(-3.29%)
Feb 18, 2011	56.55	58.28	56.53	58.28	3,187,355	+1.63(+2.88%)
Feb 17, 2011	56.96	57.49	56.59	56.65	2,203,321	-0.68(-1.19%)
Feb 16, 2011	57.55	58.10	57.11	57.33	1,794,936	-0.04(-0.07%)
Feb 15, 2011	57.73	57.99	57.22	57.37	1,954,918	-0.60(-1.04%)
Feb 14, 2011	57.72	58.04	57.50	57.97	1,844,450	+0.11(+0.19%)
Feb 11, 2011	57.44	58.02	57.16	57.86	2,057,278	+0.25(+0.43%)
Feb 10, 2011	57.12	57.65	56.87	57.61	2,107,701	+0.20(+0.35%)
Feb 09, 2011	57.05	57.80	56.70	57.41	2,612,167	+0.20(+0.35%)
Feb 08, 2011	56.03	57.26	55.96	57.21	3,101,134	+1.32(+2.36%)
Feb 07, 2011	55.02	56.19	54.95	55.89	4,060,061	+1.30(+2.38%)
Feb 04, 2011	54.20	54.70	53.71	54.59	3,381,961	+0.39(+0.72%)
Feb 03, 2011	54.10	54.68	53.77	54.20	3,095,122	+0.34(+0.63%)
Feb 02, 2011	53.86	54.04	52.93	53.86	3,068,766	-0.14(-0.26%)
Feb 01, 2011	54.39	54.76	53.82	54.00	2,929,708	-0.09(-0.17%)
Jan 31, 2011	52.97	54.17	52.90	54.09	3,749,053	+1.27(+2.40%)
Jan 28, 2011	54.12	54.43	52.58	52.82	3,398,640	-1.18(-2.19%)
Jan 27, 2011	54.21	54.33	53.58	54.00	3,666,967	-0.04(-0.07%)
Jan 26, 2011	53.39	54.68	53.39	54.04	6,528,323	+0.95(+1.79%)
Jan 25, 2011	52.00	53.24	51.74	53.09	8,195,377	-0.42(-0.78%)
Jan 24, 2011	53.10	53.82	52.92	53.51	3,346,899	+0.51(+0.96%)
Jan 21, 2011	53.90	53.90	52.99	53.00	2,859,532	-0.38(-0.71%)
Jan 20, 2011	53.25	53.86	53.00	53.38	3,350,923	-0.26(-0.48%)
Jan 19, 2011	54.20	54.31	53.24	53.64	3,191,179	-0.50(-0.92%)
Jan 18, 2011	54.40	55.27	53.85	54.14	3,485,906	-0.24(-0.44%)
Jan 14, 2011	53.75	54.45	53.50	54.38	2,085,737	+0.51(+0.95%)
Jan 13, 2011	54.44	54.59	53.59	53.87	2,355,382	-0.44(-0.81%)
Jan 12, 2011	54.77	54.91	53.96	54.31	2,967,652	+0.32(+0.59%)
Jan 11, 2011	54.43	54.59	53.57	53.99	4,420,737	+0.50(+0.93%)
Jan 10, 2011	52.47	53.84	52.29	53.49	4,217,514	+0.66(+1.25%)
Jan 07, 2011	53.04	53.12	52.26	52.83	3,723,316	-0.13(-0.24%)
Jan 06, 2011	52.39	53.16	52.14	52.96	4,226,741	+0.42(+0.80%)
Jan 05, 2011	51.89	52.55	51.25	52.54	5,581,837	+0.26(+0.50%)
Jan 04, 2011	54.49	54.50	52.19	52.28	7,769,697	-2.28(-4.18%)
Jan 03, 2011	54.79	55.03	54.20	54.56	3,510,272	-0.75(-1.36%)
Dec 31, 2010	56.00	56.02	55.16	55.31	1,303,649	-0.70(-1.25%)
Dec 30, 2010	55.31	56.16	55.25	56.01	1,652,159	+0.55(+0.99%)
Dec 29, 2010	55.79	55.96	55.45	55.46	1,725,134	-0.31(-0.56%)
Dec 28, 2010	56.11	56.13	55.33	55.77	1,701,091	-0.11(-0.20%)
Dec 27, 2010	55.75	55.98	55.29	55.88	1,491,416	-0.02(-0.04%)
Dec 23, 2010	56.22	56.38	55.53	55.90	2,308,793	-0.31(-0.55%)
Dec 22, 2010	57.79	57.87	56.12	56.21	3,627,620	-1.82(-3.14%)
Dec 21, 2010	57.75	58.21	57.64	58.03	2,280,203	+0.45(+0.78%)
Dec 20, 2010	58.35	58.55	57.45	57.58	2,564,304	-0.65(-1.12%)
Dec 17, 2010	57.80	58.53	57.53	58.23	3,549,603	+0.34(+0.59%)
Dec 16, 2010	57.75	58.18	57.25	57.89	2,634,475	+0.21(+0.36%)
Dec 15, 2010	57.91	58.42	57.14	57.68	4,115,228	+0.07(+0.12%)
Dec 14, 2010	57.41	58.01	57.30	57.61	2,724,674	+0.27(+0.47%)
Dec 13, 2010	57.98	58.36	57.30	57.34	4,842,934	-0.08(-0.14%)
Dec 10, 2010	57.17	57.52	56.57	57.42	2,409,540	+0.30(+0.53%)
Dec 09, 2010	56.31	57.20	56.10	57.12	3,184,261	+1.05(+1.87%)
Dec 08, 2010	56.08	56.24	55.53	56.07	1,855,121	-0.02(-0.04%)
Dec 07, 2010	56.70	56.80	56.00	56.09	3,043,275	+0.18(+0.32%)
Dec 06, 2010	56.58	56.58	55.35	55.91	3,311,189	-0.70(-1.24%)
Dec 03, 2010	56.71	57.07	55.85	56.61	3,622,632	-0.24(-0.42%)
Dec 02, 2010	56.44	57.00	56.44	56.85	4,546,677	+0.22(+0.39%)

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