Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	40.51	40.63	40.27	40.46	30,042,432	+0.36(+0.90%)
Feb 25, 2011	39.90	40.13	39.87	40.10	23,707,754	+0.47(+1.19%)
Feb 24, 2011	39.68	39.79	39.31	39.63	26,908,970	+0.03(+0.08%)
Feb 23, 2011	39.72	39.86	39.36	39.60	28,531,714	+0.04(+0.11%)
Feb 22, 2011	39.86	40.16	39.50	39.55	36,623,900	-1.16(-2.84%)
Feb 18, 2011	40.56	40.75	40.48	40.71	15,441,183	+0.14(+0.34%)
Feb 17, 2011	40.34	40.67	40.32	40.57	23,950,834	+0.14(+0.34%)
Feb 16, 2011	40.10	40.47	40.06	40.43	22,307,174	+0.48(+1.20%)
Feb 15, 2011	40.03	40.07	39.86	39.95	22,352,490	-0.12(-0.30%)
Feb 14, 2011	39.91	40.12	39.87	40.07	14,984,492	+0.08(+0.20%)
Feb 11, 2011	39.62	40.06	39.61	39.99	18,428,368	+0.02(+0.05%)
Feb 10, 2011	39.68	39.98	39.56	39.97	20,063,986	-0.26(-0.65%)
Feb 09, 2011	40.12	40.31	40.02	40.23	26,407,134	-0.12(-0.29%)
Feb 08, 2011	40.13	40.37	39.99	40.35	21,960,978	+0.26(+0.66%)
Feb 07, 2011	39.88	40.14	39.86	40.09	20,101,116	+0.12(+0.31%)
Feb 04, 2011	39.85	39.98	39.60	39.96	19,239,316	-0.01(-0.03%)
Feb 03, 2011	39.78	40.00	39.49	39.98	17,634,306	+0.01(+0.02%)
Feb 02, 2011	39.92	40.08	39.85	39.97	25,954,518	-0.03(-0.08%)
Feb 01, 2011	39.58	40.08	39.52	40.00	39,057,740	+0.93(+2.37%)
Jan 31, 2011	39.06	39.24	38.97	39.08	31,583,240	+0.34(+0.87%)
Jan 28, 2011	39.39	39.50	38.66	38.74	27,750,978	-0.88(-2.22%)
Jan 27, 2011	39.57	39.72	39.41	39.62	18,084,144	+0.09(+0.23%)
Jan 26, 2011	39.47	39.60	39.35	39.53	31,098,062	+0.25(+0.64%)
Jan 25, 2011	39.04	39.29	38.92	39.28	20,265,858	-0.08(-0.20%)
Jan 24, 2011	38.88	39.36	38.88	39.36	20,525,458	+0.41(+1.06%)
Jan 21, 2011	39.06	39.14	38.84	38.95	20,795,464	+0.21(+0.54%)
Jan 20, 2011	38.72	38.88	38.42	38.74	26,174,634	-0.34(-0.86%)
Jan 19, 2011	39.47	39.49	38.96	39.07	29,932,890	-0.27(-0.69%)
Jan 18, 2011	39.25	39.41	39.20	39.34	18,218,088	+0.26(+0.66%)
Jan 14, 2011	38.74	39.12	38.71	39.08	33,287,782	+0.24(+0.61%)
Jan 13, 2011	39.01	39.12	38.79	38.85	25,008,336	+0.11(+0.27%)
Jan 12, 2011	38.36	38.74	38.29	38.74	31,139,758	+0.83(+2.20%)
Jan 11, 2011	37.88	37.97	37.71	37.91	22,837,704	+0.26(+0.68%)
Jan 10, 2011	37.45	37.70	37.29	37.65	19,266,850	-0.07(-0.17%)
Jan 07, 2011	37.93	38.02	37.52	37.72	24,865,746	-0.15(-0.40%)
Jan 06, 2011	38.33	38.36	37.78	37.87	35,931,236	-0.44(-1.15%)
Jan 05, 2011	37.91	38.31	37.90	38.31	19,787,542	-0.16(-0.43%)
Jan 04, 2011	38.76	38.77	38.28	38.47	22,182,192	-0.12(-0.31%)
Jan 03, 2011	38.53	38.70	38.50	38.59	24,710,648	+0.32(+0.82%)
Dec 31, 2010	38.05	38.54	38.03	38.28	43,184,884	+0.23(+0.60%)
Dec 30, 2010	38.15	38.18	37.90	38.05	16,041,736	-0.18(-0.48%)
Dec 29, 2010	38.14	38.32	38.09	38.23	14,062,236	+0.33(+0.87%)
Dec 28, 2010	38.07	38.08	37.81	37.90	14,604,182	+0.03(+0.09%)
Dec 27, 2010	37.72	37.88	37.66	37.87	9,656,662	-0.08(-0.21%)
Dec 23, 2010	37.85	37.97	37.83	37.95	15,825,358	-0.02(-0.05%)
Dec 22, 2010	37.90	37.97	37.83	37.97	13,976,868	+0.07(+0.19%)
Dec 21, 2010	37.90	37.95	37.82	37.89	27,641,972	+0.67(+1.80%)
Dec 20, 2010	37.32	37.33	37.06	37.22	19,663,086	+0.08(+0.23%)
Dec 17, 2010	37.13	37.17	36.94	37.14	26,087,066	-0.21(-0.55%)
Dec 16, 2010	37.16	37.41	37.04	37.35	23,908,978	+0.21(+0.56%)
Dec 15, 2010	37.39	37.54	37.04	37.14	29,971,124	-0.50(-1.32%)
Dec 14, 2010	37.65	37.88	37.56	37.64	24,872,858	+0.06(+0.15%)
Dec 13, 2010	37.48	37.78	37.41	37.58	23,482,278	+0.40(+1.08%)
Dec 10, 2010	37.07	37.22	36.92	37.18	20,796,784	+0.08(+0.23%)
Dec 09, 2010	37.11	37.15	36.83	37.10	23,203,720	+0.10(+0.26%)
Dec 08, 2010	36.93	37.13	36.71	37.00	20,811,494	+0.11(+0.30%)
Dec 07, 2010	37.36	37.41	36.85	36.89	38,422,084	+0.02(+0.05%)
Dec 06, 2010	36.71	36.94	36.65	36.87	23,889,144	-0.17(-0.45%)
Dec 03, 2010	36.71	37.07	36.68	37.04	27,589,328	+0.35(+0.97%)
Dec 02, 2010	35.93	36.71	35.90	36.68	34,729,752	+0.68(+1.90%)

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