Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	47.45	47.68	47.19	47.46	2,632,963	-0.02(-0.05%)
Feb 25, 2011	47.10	47.62	46.86	47.48	2,314,017	+0.48(+1.02%)
Feb 24, 2011	48.04	48.21	46.32	47.00	5,216,324	-1.24(-2.57%)
Feb 23, 2011	48.50	48.76	48.13	48.24	5,047,102	-0.41(-0.85%)
Feb 22, 2011	48.79	49.30	47.99	48.65	5,487,262	-0.68(-1.37%)
Feb 18, 2011	47.74	49.36	47.42	49.33	4,788,719	+1.80(+3.79%)
Feb 17, 2011	47.02	47.76	47.02	47.53	1,815,341	+0.35(+0.73%)
Feb 16, 2011	46.87	47.34	46.64	47.18	1,545,976	+0.38(+0.80%)
Feb 15, 2011	46.76	47.16	46.52	46.81	2,106,353	-0.09(-0.19%)
Feb 14, 2011	47.46	47.66	46.69	46.90	2,785,631	-0.71(-1.48%)
Feb 11, 2011	47.74	47.80	47.46	47.60	1,898,120	-0.23(-0.49%)
Feb 10, 2011	47.85	48.06	47.58	47.83	1,479,380	-0.25(-0.51%)
Feb 09, 2011	47.98	48.35	47.74	48.08	2,312,733	-0.14(-0.30%)
Feb 08, 2011	47.24	48.23	47.14	48.22	2,579,500	+1.08(+2.29%)
Feb 07, 2011	47.03	47.47	47.03	47.14	2,235,660	-0.17(-0.36%)
Feb 04, 2011	47.42	47.61	47.17	47.32	1,771,127	-0.17(-0.36%)
Feb 03, 2011	46.51	47.53	46.24	47.49	2,995,302	+0.59(+1.26%)
Feb 02, 2011	46.54	47.05	46.47	46.90	2,643,288	+0.26(+0.55%)
Feb 01, 2011	46.67	46.84	46.07	46.64	2,604,132	+0.43(+0.93%)
Jan 31, 2011	46.36	46.70	46.02	46.21	2,249,713	+0.32(+0.69%)
Jan 28, 2011	47.41	47.49	45.85	45.90	2,800,090	-1.52(-3.20%)
Jan 27, 2011	47.01	47.49	46.66	47.41	2,147,836	+0.56(+1.19%)
Jan 26, 2011	46.73	47.03	46.47	46.86	1,731,650	+0.24(+0.52%)
Jan 25, 2011	45.60	46.75	45.36	46.62	3,703,183	+1.13(+2.47%)
Jan 24, 2011	45.30	45.66	45.14	45.49	2,530,966	+0.09(+0.20%)
Jan 21, 2011	45.02	45.40	44.68	45.40	2,702,650	-0.15(-0.33%)
Jan 20, 2011	45.28	45.86	45.28	45.55	1,930,825	+0.11(+0.23%)
Jan 19, 2011	45.49	45.61	45.19	45.45	1,879,047	-0.07(-0.15%)
Jan 18, 2011	45.67	45.80	45.47	45.51	2,674,630	-0.10(-0.21%)
Jan 14, 2011	45.57	45.69	45.33	45.61	2,629,229	-0.06(-0.13%)
Jan 13, 2011	45.58	45.69	45.36	45.67	1,535,394	+0.02(+0.03%)
Jan 12, 2011	45.81	46.22	45.59	45.66	2,083,561	+0.08(+0.18%)
Jan 11, 2011	45.54	45.94	45.41	45.57	1,866,941	+0.21(+0.46%)
Jan 10, 2011	45.73	45.96	45.20	45.36	2,081,288	-0.60(-1.31%)
Jan 07, 2011	46.17	46.39	45.64	45.97	1,898,410	-0.34(-0.73%)
Jan 06, 2011	46.42	46.57	46.22	46.30	1,912,052	-0.21(-0.45%)
Jan 05, 2011	46.53	46.88	46.37	46.51	2,493,231	-0.16(-0.34%)
Jan 04, 2011	46.60	47.02	46.48	46.67	2,130,640	-0.19(-0.40%)
Jan 03, 2011	47.07	47.14	46.58	46.86	2,422,877	+0.15(+0.32%)
Dec 31, 2010	46.66	46.93	46.52	46.71	1,822,656	-0.09(-0.19%)
Dec 30, 2010	46.69	46.99	46.52	46.80	1,405,067	+0.07(+0.14%)
Dec 29, 2010	46.74	46.91	46.52	46.73	1,778,974	-0.01(-0.02%)
Dec 28, 2010	46.63	46.77	46.48	46.74	1,179,686	+0.17(+0.37%)
Dec 27, 2010	46.36	46.67	46.36	46.57	995,762	-0.05(-0.11%)
Dec 23, 2010	46.46	46.74	46.46	46.62	1,369,874	-0.01(-0.02%)
Dec 22, 2010	46.30	46.73	46.30	46.63	1,788,770	+0.26(+0.55%)
Dec 21, 2010	45.81	46.54	45.63	46.37	4,846,925	+0.63(+1.38%)
Dec 20, 2010	46.15	46.22	45.24	45.74	4,034,801	-0.07(-0.15%)
Dec 17, 2010	46.13	46.21	45.76	45.81	3,496,689	-0.33(-0.72%)
Dec 16, 2010	45.74	46.14	45.57	46.14	2,975,160	+0.53(+1.17%)
Dec 15, 2010	45.35	46.03	45.32	45.60	3,136,391	+0.08(+0.16%)
Dec 14, 2010	45.60	46.14	45.48	45.53	2,603,910	+0.05(+0.10%)
Dec 13, 2010	45.16	45.95	45.15	45.48	3,603,866	+0.50(+1.11%)
Dec 10, 2010	44.53	45.06	44.48	44.98	3,078,783	+0.58(+1.31%)
Dec 09, 2010	44.46	44.54	44.07	44.40	2,680,822	+0.07(+0.17%)
Dec 08, 2010	44.17	44.45	44.05	44.33	2,708,650	+0.12(+0.27%)
Dec 07, 2010	44.46	44.55	44.11	44.21	2,906,204	+0.13(+0.30%)
Dec 06, 2010	44.25	44.34	44.04	44.07	2,153,041	-0.28(-0.62%)
Dec 03, 2010	44.54	44.63	44.12	44.35	2,024,256	-0.31(-0.69%)
Dec 02, 2010	44.44	44.90	44.39	44.66	2,861,037	+0.27(+0.61%)

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