Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	20.10	20.21	20.06	20.10	2,551,681	+0.17(+0.86%)
Feb 25, 2011	19.76	19.92	19.72	19.92	2,117,649	+0.08(+0.39%)
Feb 24, 2011	19.84	19.91	19.70	19.85	4,042,706	-0.05(-0.24%)
Feb 23, 2011	19.99	20.07	19.86	19.89	5,105,195	+0.08(+0.39%)
Feb 22, 2011	19.97	20.08	19.76	19.82	5,661,586	-0.56(-2.76%)
Feb 18, 2011	20.25	20.46	20.21	20.38	9,327,009	+0.31(+1.56%)
Feb 17, 2011	19.93	20.12	19.92	20.07	4,188,077	+0.08(+0.42%)
Feb 16, 2011	19.84	20.05	19.82	19.98	5,435,087	+0.06(+0.31%)
Feb 15, 2011	19.89	19.95	19.86	19.92	4,101,677	+0.02(+0.08%)
Feb 14, 2011	19.65	19.92	19.63	19.90	5,429,808	+0.25(+1.30%)
Feb 11, 2011	19.82	19.83	19.63	19.65	4,526,550	-0.20(-1.00%)
Feb 10, 2011	19.70	19.90	19.64	19.85	5,226,337	-0.07(-0.34%)
Feb 09, 2011	19.78	19.93	19.76	19.91	5,432,951	-0.06(-0.30%)
Feb 08, 2011	19.84	20.00	19.80	19.97	8,944,318	-0.07(-0.36%)
Feb 07, 2011	19.67	20.07	19.64	20.05	11,256,986	+0.57(+2.95%)
Feb 04, 2011	19.38	19.47	19.32	19.47	4,860,227	+0.00(+0.00%)
Feb 03, 2011	19.47	19.57	19.35	19.47	7,664,245	+0.53(+2.79%)
Feb 02, 2011	18.89	18.95	18.84	18.94	5,342,621	-0.21(-1.10%)
Feb 01, 2011	18.89	19.17	18.85	19.15	5,267,756	+0.54(+2.92%)
Jan 31, 2011	18.60	18.73	18.59	18.61	8,368,427	-0.04(-0.19%)
Jan 28, 2011	18.80	18.88	18.61	18.65	13,709,961	-0.54(-2.83%)
Jan 27, 2011	19.31	19.34	19.17	19.19	5,814,648	-0.02(-0.11%)
Jan 26, 2011	19.32	19.32	19.18	19.21	5,039,133	+0.07(+0.37%)
Jan 25, 2011	19.01	19.15	18.98	19.14	5,227,308	-0.25(-1.29%)
Jan 24, 2011	19.32	19.46	19.31	19.39	4,613,867	+0.26(+1.34%)
Jan 21, 2011	19.16	19.19	19.01	19.13	4,457,171	+0.15(+0.81%)
Jan 20, 2011	19.47	19.04	18.81	18.98	9,835,419	-0.49(-2.53%)
Jan 19, 2011	19.71	19.79	19.32	19.47	8,396,837	-0.09(-0.45%)
Jan 18, 2011	19.37	19.59	19.36	19.56	8,254,441	-0.51(-2.55%)
Jan 14, 2011	20.00	20.12	19.98	20.07	3,980,965	+0.15(+0.77%)
Jan 13, 2011	20.03	20.04	19.88	19.92	3,263,152	-0.08(-0.38%)
Jan 12, 2011	19.84	20.01	19.75	19.99	3,775,898	+0.22(+1.11%)
Jan 11, 2011	19.67	19.77	19.60	19.77	4,081,228	-0.09(-0.44%)
Jan 10, 2011	19.79	19.86	19.76	19.86	3,930,891	+0.00(+0.00%)
Jan 07, 2011	19.85	19.94	19.81	19.86	4,669,354	-0.14(-0.72%)
Jan 06, 2011	20.04	20.09	19.89	20.00	4,567,606	+0.06(+0.28%)
Jan 05, 2011	19.94	20.05	19.89	19.95	7,510,410	-0.47(-2.31%)
Jan 04, 2011	20.40	20.44	20.28	20.42	3,565,374	+0.31(+1.55%)
Jan 03, 2011	20.07	20.24	20.07	20.11	2,435,336	+0.02(+0.08%)
Dec 31, 2010	20.01	20.16	19.98	20.09	2,665,092	+0.09(+0.44%)
Dec 30, 2010	20.08	20.13	19.94	20.00	2,650,501	-0.12(-0.59%)
Dec 29, 2010	20.07	20.19	20.06	20.12	2,904,442	+0.07(+0.36%)
Dec 28, 2010	20.15	20.15	20.05	20.05	1,674,739	-0.01(-0.03%)
Dec 27, 2010	20.03	20.08	19.94	20.06	1,204,949	-0.02(-0.08%)
Dec 23, 2010	20.03	20.10	20.02	20.07	1,615,949	+0.06(+0.28%)
Dec 22, 2010	19.94	20.04	19.90	20.01	2,634,857	-0.01(-0.05%)
Dec 21, 2010	20.07	20.13	19.96	20.03	2,652,556	-0.13(-0.66%)
Dec 20, 2010	20.26	20.32	20.13	20.16	2,125,295	-0.08(-0.41%)
Dec 17, 2010	20.24	20.32	20.15	20.24	3,511,505	-0.27(-1.32%)
Dec 16, 2010	20.39	20.54	20.36	20.51	2,327,966	+0.12(+0.60%)
Dec 15, 2010	20.37	20.49	20.35	20.39	2,742,450	-0.03(-0.15%)
Dec 14, 2010	20.28	20.45	20.26	20.42	2,491,746	-0.06(-0.30%)
Dec 13, 2010	20.30	20.50	20.28	20.48	2,318,389	+0.17(+0.86%)
Dec 10, 2010	20.24	20.34	20.21	20.31	1,760,053	+0.03(+0.15%)
Dec 09, 2010	20.28	20.29	20.13	20.28	2,134,873	+0.07(+0.33%)
Dec 08, 2010	20.16	20.25	20.08	20.21	2,623,724	+0.05(+0.25%)
Dec 07, 2010	20.22	20.28	20.16	20.16	3,926,269	+0.14(+0.69%)
Dec 06, 2010	19.84	20.03	19.80	20.02	2,814,162	-0.06(-0.28%)
Dec 03, 2010	19.98	20.11	19.87	20.08	3,276,707	+0.13(+0.64%)
Dec 02, 2010	19.63	19.97	19.62	19.95	3,600,786	+0.14(+0.72%)

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