Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	44.08	44.27	44.00	44.25	8,453,543	+0.22(+0.50%)
Feb 25, 2011	43.92	44.05	43.91	44.03	3,994,488	+0.13(+0.31%)
Feb 24, 2011	43.94	43.97	43.87	43.90	1,791,962	+0.03(+0.08%)
Feb 23, 2011	43.83	43.93	43.82	43.86	2,221,270	+0.04(+0.10%)
Feb 22, 2011	44.10	44.13	43.82	43.82	2,728,994	-0.36(-0.82%)
Feb 18, 2011	44.10	44.19	44.07	44.18	1,819,140	+0.13(+0.30%)
Feb 17, 2011	44.01	44.06	43.99	44.05	1,377,070	+0.10(+0.23%)
Feb 16, 2011	44.02	44.05	43.95	43.95	2,880,617	+0.01(+0.03%)
Feb 15, 2011	44.04	44.04	43.90	43.94	2,318,250	-0.09(-0.20%)
Feb 14, 2011	43.94	44.02	43.94	44.02	1,379,539	+0.03(+0.08%)
Feb 11, 2011	43.95	43.99	43.84	43.99	1,226,406	+0.11(+0.25%)
Feb 10, 2011	43.82	43.97	43.77	43.88	1,676,035	+0.05(+0.11%)
Feb 09, 2011	44.08	44.08	43.83	43.83	1,958,307	-0.25(-0.56%)
Feb 08, 2011	44.07	44.09	44.01	44.08	5,502,623	+0.05(+0.11%)
Feb 07, 2011	44.02	44.04	43.91	44.03	4,725,379	+0.08(+0.18%)
Feb 04, 2011	43.87	43.96	43.78	43.95	3,485,694	+0.19(+0.44%)
Feb 03, 2011	43.76	43.80	43.66	43.76	2,593,600	+0.00(+0.00%)
Feb 02, 2011	43.77	43.78	43.71	43.76	1,150,349	+0.05(+0.11%)
Feb 01, 2011	43.68	43.75	43.63	43.71	1,974,411	+0.09(+0.20%)
Jan 31, 2011	43.51	43.63	43.43	43.63	2,489,168	+0.23(+0.54%)
Jan 28, 2011	43.67	43.68	43.38	43.39	4,239,233	-0.26(-0.60%)
Jan 27, 2011	43.62	43.66	43.58	43.65	1,429,279	+0.06(+0.13%)
Jan 26, 2011	43.56	43.60	43.51	43.60	2,073,328	+0.09(+0.21%)
Jan 25, 2011	43.46	43.51	43.41	43.51	1,444,016	+0.07(+0.15%)
Jan 24, 2011	43.39	43.47	43.39	43.44	1,466,879	+0.06(+0.14%)
Jan 21, 2011	43.24	43.42	43.24	43.38	1,433,655	+0.18(+0.41%)
Jan 20, 2011	43.29	43.32	43.14	43.20	1,611,330	-0.09(-0.20%)
Jan 19, 2011	43.38	43.44	43.28	43.29	2,257,807	-0.13(-0.31%)
Jan 18, 2011	43.49	43.49	43.37	43.42	2,496,710	-0.00(-0.01%)
Jan 14, 2011	43.42	43.44	43.37	43.43	1,919,559	+0.07(+0.16%)
Jan 13, 2011	43.37	43.47	43.34	43.35	3,290,080	-0.01(-0.02%)
Jan 12, 2011	43.28	43.41	43.28	43.36	1,282,419	+0.09(+0.21%)
Jan 11, 2011	43.21	43.30	43.18	43.27	1,037,783	+0.17(+0.39%)
Jan 10, 2011	43.07	43.13	43.05	43.11	1,088,418	-0.03(-0.08%)
Jan 07, 2011	43.31	43.31	43.11	43.14	1,931,079	-0.17(-0.38%)
Jan 06, 2011	43.27	43.31	43.11	43.31	4,305,513	+0.05(+0.12%)
Jan 05, 2011	43.08	43.26	43.08	43.25	5,339,105	+0.11(+0.25%)
Jan 04, 2011	43.05	43.15	43.01	43.15	2,267,491	+0.19(+0.45%)
Jan 03, 2011	42.92	43.12	42.91	42.95	3,047,866	+0.03(+0.08%)
Dec 31, 2010	42.84	42.93	42.80	42.92	1,505,587	+0.08(+0.18%)
Dec 30, 2010	42.85	42.85	42.76	42.84	705,535	+0.05(+0.11%)
Dec 29, 2010	42.70	42.81	42.65	42.79	1,126,971	+0.14(+0.33%)
Dec 28, 2010	42.72	42.73	42.56	42.65	1,209,832	+0.03(+0.06%)
Dec 27, 2010	42.66	42.68	42.56	42.62	1,250,896	+0.03(+0.08%)
Dec 23, 2010	42.58	42.62	42.56	42.59	1,186,627	+0.04(+0.10%)
Dec 22, 2010	42.43	42.57	42.40	42.55	1,700,166	+0.12(+0.28%)
Dec 21, 2010	42.42	42.45	42.35	42.43	1,662,784	+0.09(+0.21%)
Dec 20, 2010	42.33	42.34	42.27	42.34	1,244,349	+0.08(+0.18%)
Dec 17, 2010	42.20	42.28	42.14	42.26	2,095,444	+0.06(+0.15%)
Dec 16, 2010	41.99	42.20	41.93	42.20	1,055,700	+0.16(+0.37%)
Dec 15, 2010	42.22	42.22	41.99	42.05	1,199,416	-0.17(-0.39%)
Dec 14, 2010	42.22	42.22	41.98	42.21	2,894,122	+0.21(+0.49%)
Dec 13, 2010	42.22	42.30	41.95	42.01	2,491,281	-0.21(-0.50%)
Dec 10, 2010	42.27	42.32	42.18	42.22	1,298,098	+0.02(+0.04%)
Dec 09, 2010	42.35	42.35	42.19	42.20	968,048	-0.09(-0.21%)
Dec 08, 2010	42.38	42.51	42.23	42.29	2,575,080	-0.14(-0.32%)
Dec 07, 2010	42.42	42.46	42.35	42.43	2,003,631	+0.22(+0.52%)
Dec 06, 2010	42.23	42.23	42.14	42.21	1,643,512	-0.02(-0.06%)
Dec 03, 2010	42.13	42.25	42.11	42.23	3,432,189	+0.07(+0.17%)
Dec 02, 2010	42.16	42.18	42.03	42.16	1,642,091	+0.02(+0.06%)

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