Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	20.59	20.71	20.55	20.67	7,716,839	+0.12(+0.58%)
Feb 25, 2011	20.48	20.55	20.45	20.55	5,833,369	+0.10(+0.51%)
Feb 24, 2011	20.50	20.59	20.36	20.45	10,667,579	-0.08(-0.41%)
Feb 23, 2011	20.58	20.64	20.51	20.53	10,629,253	-0.05(-0.24%)
Feb 22, 2011	20.57	20.71	20.52	20.58	24,189,016	-0.15(-0.70%)
Feb 18, 2011	20.71	20.74	20.61	20.73	7,942,638	+0.06(+0.27%)
Feb 17, 2011	20.47	20.67	20.47	20.67	9,642,078	+0.14(+0.68%)
Feb 16, 2011	20.48	20.55	20.46	20.53	5,926,671	+0.06(+0.27%)
Feb 15, 2011	20.43	20.50	20.39	20.48	7,518,946	-0.01(-0.03%)
Feb 14, 2011	20.52	20.57	20.44	20.48	8,380,572	-0.09(-0.44%)
Feb 11, 2011	20.35	20.58	20.32	20.57	9,730,283	+0.11(+0.54%)
Feb 10, 2011	20.50	20.55	20.37	20.46	8,335,375	-0.08(-0.37%)
Feb 09, 2011	20.48	20.56	20.47	20.54	3,719,695	+0.03(+0.17%)
Feb 08, 2011	20.41	20.52	20.38	20.50	5,210,576	+0.10(+0.48%)
Feb 07, 2011	20.38	20.46	20.36	20.41	7,565,708	+0.03(+0.14%)
Feb 04, 2011	20.28	20.39	20.23	20.38	6,669,462	+0.12(+0.58%)
Feb 03, 2011	20.11	20.28	20.11	20.26	4,753,643	+0.10(+0.52%)
Feb 02, 2011	20.17	20.21	20.09	20.16	11,809,719	-0.08(-0.38%)
Feb 01, 2011	20.17	20.29	20.16	20.23	16,749,860	+0.15(+0.73%)
Jan 31, 2011	20.14	20.18	20.03	20.09	9,813,210	-0.07(-0.34%)
Jan 28, 2011	20.37	20.42	20.11	20.16	13,992,522	-0.19(-0.96%)
Jan 27, 2011	20.45	20.48	20.30	20.35	21,946,248	-0.21(-1.01%)
Jan 26, 2011	20.66	20.67	20.54	20.56	8,667,604	-0.05(-0.25%)
Jan 25, 2011	20.53	20.63	20.50	20.61	13,097,384	+0.07(+0.32%)
Jan 24, 2011	20.50	20.57	20.46	20.55	7,133,556	+0.03(+0.17%)
Jan 21, 2011	20.54	20.58	20.46	20.51	6,481,644	+0.03(+0.17%)
Jan 20, 2011	20.37	20.53	20.37	20.48	22,265,514	+0.10(+0.51%)
Jan 19, 2011	20.43	20.46	20.32	20.37	7,426,598	-0.04(-0.20%)
Jan 18, 2011	20.41	20.49	20.39	20.41	4,775,478	+0.01(+0.06%)
Jan 14, 2011	20.37	20.42	20.35	20.40	5,890,556	+0.00(+0.00%)
Jan 13, 2011	20.32	20.43	20.32	20.40	6,870,953	+0.04(+0.21%)
Jan 12, 2011	20.29	20.39	20.23	20.36	6,452,508	+0.17(+0.83%)
Jan 11, 2011	20.26	20.27	20.15	20.19	4,948,853	-0.02(-0.08%)
Jan 10, 2011	20.16	20.23	20.12	20.21	6,449,970	+0.01(+0.07%)
Jan 07, 2011	20.29	20.30	20.14	20.19	7,835,413	-0.10(-0.51%)
Jan 06, 2011	20.37	20.38	20.24	20.30	7,817,801	-0.07(-0.34%)
Jan 05, 2011	20.32	20.43	20.30	20.37	6,462,201	+0.01(+0.03%)
Jan 04, 2011	20.40	20.41	20.29	20.36	7,457,938	-0.06(-0.27%)
Jan 03, 2011	20.47	20.48	20.38	20.41	7,558,480	+0.03(+0.14%)
Dec 31, 2010	20.37	20.43	20.33	20.39	5,211,952	+0.01(+0.03%)
Dec 30, 2010	20.38	20.40	20.34	20.38	5,499,329	-0.03(-0.17%)
Dec 29, 2010	20.43	20.45	20.39	20.41	3,593,475	+0.01(+0.03%)
Dec 28, 2010	20.39	20.41	20.33	20.41	2,826,272	+0.06(+0.27%)
Dec 27, 2010	20.41	20.41	20.35	20.35	2,167,689	-0.10(-0.48%)
Dec 23, 2010	20.39	20.46	20.38	20.45	4,296,847	+0.01(+0.04%)
Dec 22, 2010	20.36	20.44	20.34	20.44	3,315,824	+0.09(+0.44%)
Dec 21, 2010	20.46	20.48	20.33	20.35	4,534,879	-0.05(-0.24%)
Dec 20, 2010	20.48	20.48	20.37	20.40	7,524,385	-0.02(-0.10%)
Dec 17, 2010	20.39	20.44	20.33	20.42	11,645,417	+0.03(+0.17%)
Dec 16, 2010	20.24	20.40	20.15	20.39	10,394,303	+0.18(+0.88%)
Dec 15, 2010	20.16	20.26	20.15	20.21	6,204,953	+0.02(+0.10%)
Dec 14, 2010	20.13	20.23	20.12	20.19	6,742,702	+0.10(+0.48%)
Dec 13, 2010	20.17	20.17	20.07	20.09	9,311,477	+0.00(+0.00%)
Dec 10, 2010	20.09	20.16	20.06	20.09	4,596,749	+0.03(+0.17%)
Dec 09, 2010	20.07	20.09	20.00	20.06	5,459,944	+0.06(+0.28%)
Dec 08, 2010	19.95	20.01	19.91	20.00	6,933,435	+0.08(+0.38%)
Dec 07, 2010	19.93	20.00	19.90	19.93	12,418,119	+0.11(+0.56%)
Dec 06, 2010	19.83	19.88	19.82	19.82	7,014,381	-0.05(-0.24%)
Dec 03, 2010	19.78	19.90	19.78	19.86	7,463,408	+0.01(+0.03%)
Dec 02, 2010	19.82	19.87	19.79	19.86	13,191,267	+0.01(+0.07%)

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