Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	51.80	52.20	50.50	51.08	3,380,009	+0.02(+0.04%)
Feb 25, 2011	49.34	51.23	48.45	51.06	3,018,717	+2.06(+4.20%)
Feb 24, 2011	49.76	50.73	48.82	49.00	3,305,134	-0.15(-0.31%)
Feb 23, 2011	45.80	50.18	45.80	49.15	6,499,310	+3.38(+7.38%)
Feb 22, 2011	45.64	46.40	45.29	45.77	2,726,178	+0.33(+0.72%)
Feb 18, 2011	45.72	45.72	44.97	45.45	1,984,834	-0.36(-0.78%)
Feb 17, 2011	46.36	46.78	45.46	45.80	2,386,597	-0.46(-1.00%)
Feb 16, 2011	46.07	46.40	45.77	46.26	1,871,418	+0.42(+0.92%)
Feb 15, 2011	46.16	46.39	45.35	45.84	2,103,704	-0.41(-0.89%)
Feb 14, 2011	45.93	46.43	45.83	46.25	2,393,952	+0.37(+0.80%)
Feb 11, 2011	45.89	46.47	45.63	45.89	2,084,279	-0.09(-0.20%)
Feb 10, 2011	44.78	46.06	44.78	45.98	2,526,054	+0.98(+2.17%)
Feb 09, 2011	46.42	46.56	44.81	45.00	3,021,179	-1.68(-3.61%)
Feb 08, 2011	46.08	46.98	45.91	46.69	2,238,130	+0.56(+1.22%)
Feb 07, 2011	46.38	47.02	46.08	46.12	1,592,324	-0.03(-0.06%)
Feb 04, 2011	46.67	47.20	45.89	46.15	2,880,967	-0.57(-1.23%)
Feb 03, 2011	46.11	46.87	45.91	46.72	1,461,341	+0.52(+1.12%)
Feb 02, 2011	46.10	46.71	45.96	46.21	1,707,350	-0.06(-0.12%)
Feb 01, 2011	45.92	47.04	45.86	46.26	2,720,442	-0.65(-1.38%)
Jan 31, 2011	44.91	47.05	44.91	46.91	2,339,354	+2.08(+4.64%)
Jan 28, 2011	45.09	45.40	44.67	44.83	2,079,155	-0.24(-0.54%)
Jan 27, 2011	44.99	45.29	44.53	45.08	1,612,496	+0.02(+0.04%)
Jan 26, 2011	43.98	45.22	43.93	45.06	1,730,306	+1.28(+2.92%)
Jan 25, 2011	43.87	44.88	43.39	43.78	4,102,654	-0.17(-0.39%)
Jan 24, 2011	42.45	43.99	42.45	43.95	2,959,482	+1.03(+2.41%)
Jan 21, 2011	43.49	43.50	42.57	42.91	4,055,916	-0.22(-0.50%)
Jan 20, 2011	44.29	44.49	42.88	43.13	6,036,377	-1.68(-3.76%)
Jan 19, 2011	45.19	45.33	44.48	44.81	2,489,511	-0.33(-0.73%)
Jan 18, 2011	44.93	45.51	44.73	45.14	3,020,675	-0.40(-0.89%)
Jan 14, 2011	45.20	45.57	44.87	45.55	2,922,503	+0.24(+0.54%)
Jan 13, 2011	44.88	45.32	44.34	45.30	3,605,868	+0.30(+0.67%)
Jan 12, 2011	45.40	45.40	44.41	45.00	2,191,195	+0.16(+0.36%)
Jan 11, 2011	44.30	45.31	44.24	44.84	3,483,016	+1.14(+2.60%)
Jan 10, 2011	42.96	43.85	42.47	43.70	3,087,236	+0.55(+1.29%)
Jan 07, 2011	42.37	43.18	42.18	43.15	3,720,002	+1.06(+2.53%)
Jan 06, 2011	41.72	42.33	41.68	42.09	2,104,264	-0.03(-0.07%)
Jan 05, 2011	41.64	42.33	41.58	42.12	1,767,934	-0.03(-0.07%)
Jan 04, 2011	43.30	43.49	41.86	42.14	2,265,378	-0.77(-1.80%)
Jan 03, 2011	42.92	43.14	42.53	42.91	1,744,443	+0.60(+1.42%)
Dec 31, 2010	42.29	42.66	42.02	42.31	1,083,732	+0.01(+0.02%)
Dec 30, 2010	42.16	42.66	41.97	42.30	1,648,022	+0.15(+0.36%)
Dec 29, 2010	42.43	42.64	42.04	42.15	1,806,016	-0.23(-0.53%)
Dec 28, 2010	42.25	42.64	41.94	42.38	1,396,477	+0.26(+0.63%)
Dec 27, 2010	41.78	42.26	41.63	42.12	1,217,486	+0.20(+0.47%)
Dec 23, 2010	41.89	42.20	41.75	41.92	1,924,995	-0.13(-0.31%)
Dec 22, 2010	41.75	42.10	41.61	42.05	1,927,161	+0.47(+1.13%)
Dec 21, 2010	41.15	41.96	41.03	41.58	2,047,985	+0.63(+1.54%)
Dec 20, 2010	40.37	40.99	40.03	40.95	1,842,684	+0.77(+1.92%)
Dec 17, 2010	39.68	40.20	39.68	40.18	2,966,228	+0.42(+1.07%)
Dec 16, 2010	39.51	39.86	39.16	39.75	2,529,821	+0.25(+0.64%)
Dec 15, 2010	39.28	40.15	39.07	39.50	1,915,183	+0.11(+0.29%)
Dec 14, 2010	39.76	39.91	39.26	39.39	1,862,980	-0.39(-0.97%)
Dec 13, 2010	40.05	40.45	39.73	39.77	1,948,956	-0.04(-0.09%)
Dec 10, 2010	39.95	40.11	39.48	39.81	2,074,240	-0.08(-0.19%)
Dec 09, 2010	41.31	41.45	38.79	39.89	6,612,260	-1.33(-3.24%)
Dec 08, 2010	41.62	41.85	40.61	41.22	4,774,036	-1.17(-2.77%)
Dec 07, 2010	43.37	43.47	42.26	42.40	1,670,924	-0.36(-0.84%)
Dec 06, 2010	43.01	43.01	42.33	42.75	3,562,387	-0.14(-0.33%)
Dec 03, 2010	41.12	43.09	40.70	42.89	5,007,976	+1.55(+3.75%)
Dec 02, 2010	40.30	41.38	40.25	41.34	3,586,152	+1.09(+2.71%)

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