Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	22.64	22.77	22.64	22.69	56,235	+0.10(+0.46%)
Feb 25, 2011	22.59	22.63	22.53	22.59	189,578	+0.11(+0.50%)
Feb 24, 2011	22.45	22.54	22.35	22.47	31,164	-0.04(-0.18%)
Feb 23, 2011	22.58	22.62	22.45	22.51	68,215	+0.06(+0.27%)
Feb 22, 2011	22.49	22.65	22.45	22.45	50,029	-0.23(-1.02%)
Feb 18, 2011	22.62	22.72	22.62	22.68	28,346	+0.09(+0.38%)
Feb 17, 2011	22.46	22.61	22.43	22.60	63,065	+0.16(+0.71%)
Feb 16, 2011	22.35	22.46	22.35	22.44	78,387	+0.11(+0.47%)
Feb 15, 2011	22.31	22.39	22.30	22.33	43,864	+0.06(+0.26%)
Feb 14, 2011	22.29	22.31	22.23	22.27	44,429	-0.10(-0.44%)
Feb 11, 2011	22.26	22.43	22.18	22.37	70,972	+0.05(+0.24%)
Feb 10, 2011	22.36	22.36	22.25	22.32	44,794	-0.09(-0.40%)
Feb 09, 2011	22.37	22.45	22.35	22.41	32,676	-0.03(-0.15%)
Feb 08, 2011	22.43	22.46	22.39	22.44	64,470	+0.03(+0.13%)
Feb 07, 2011	22.39	22.45	22.36	22.41	118,178	+0.03(+0.13%)
Feb 04, 2011	22.27	22.38	22.23	22.38	199,808	+0.04(+0.19%)
Feb 03, 2011	22.33	22.35	22.22	22.34	67,536	+0.04(+0.18%)
Feb 02, 2011	22.29	22.33	22.24	22.30	626,126	-0.03(-0.13%)
Feb 01, 2011	22.21	22.37	22.21	22.33	47,363	+0.31(+1.40%)
Jan 31, 2011	22.03	22.09	21.97	22.02	69,652	+0.09(+0.41%)
Jan 28, 2011	22.25	22.29	21.93	21.93	89,458	-0.36(-1.63%)
Jan 27, 2011	22.42	22.42	22.27	22.29	80,779	-0.23(-1.03%)
Jan 26, 2011	22.58	22.58	22.48	22.52	68,573	+0.00(+0.02%)
Jan 25, 2011	22.38	22.52	22.37	22.52	36,680	-0.03(-0.11%)
Jan 24, 2011	22.30	22.55	22.30	22.55	103,847	+0.21(+0.92%)
Jan 21, 2011	22.42	22.46	22.29	22.34	24,052	+0.07(+0.33%)
Jan 20, 2011	22.30	22.31	22.19	22.27	109,499	-0.11(-0.50%)
Jan 19, 2011	22.43	22.46	22.33	22.38	144,938	-0.05(-0.23%)
Jan 18, 2011	22.38	22.49	22.38	22.43	113,023	+0.08(+0.37%)
Jan 14, 2011	22.27	22.35	22.25	22.35	103,795	+0.07(+0.33%)
Jan 13, 2011	22.26	22.39	22.25	22.27	237,543	-0.04(-0.18%)
Jan 12, 2011	22.24	22.35	22.19	22.31	163,607	+0.15(+0.69%)
Jan 11, 2011	22.21	22.24	22.11	22.16	214,594	-0.06(-0.28%)
Jan 10, 2011	22.14	22.22	22.05	22.22	101,093	+0.05(+0.25%)
Jan 07, 2011	22.37	22.37	22.09	22.17	106,173	-0.12(-0.55%)
Jan 06, 2011	22.37	22.47	22.20	22.29	706,238	-0.17(-0.76%)
Jan 05, 2011	22.41	22.56	22.36	22.46	169,694	-0.09(-0.42%)
Jan 04, 2011	22.63	22.72	22.53	22.56	116,224	-0.12(-0.51%)
Jan 03, 2011	22.84	22.84	22.67	22.67	73,894	+0.04(+0.16%)
Dec 31, 2010	22.62	22.66	22.53	22.64	30,452	+0.07(+0.30%)
Dec 30, 2010	22.66	22.66	22.52	22.57	50,876	-0.07(-0.30%)
Dec 29, 2010	22.68	22.70	22.63	22.64	21,878	+0.04(+0.19%)
Dec 28, 2010	22.65	22.65	22.52	22.59	52,559	+0.03(+0.14%)
Dec 27, 2010	22.63	22.63	22.46	22.56	28,978	-0.08(-0.34%)
Dec 23, 2010	22.51	22.64	22.51	22.64	50,848	+0.05(+0.24%)
Dec 22, 2010	22.48	22.58	22.48	22.58	45,997	+0.08(+0.34%)
Dec 21, 2010	22.51	22.61	22.46	22.51	157,756	+0.01(+0.05%)
Dec 20, 2010	22.66	22.66	22.41	22.50	80,189	+0.30(+1.37%)
Dec 17, 2010	22.17	22.24	22.13	22.19	56,695	-0.07(-0.30%)
Dec 16, 2010	22.11	22.26	22.03	22.26	43,036	+0.24(+1.11%)
Dec 15, 2010	22.09	22.12	21.99	22.01	20,744	-0.10(-0.46%)
Dec 14, 2010	22.04	22.20	22.04	22.12	18,552	+0.01(+0.05%)
Dec 13, 2010	22.02	22.12	22.00	22.11	32,189	+0.13(+0.59%)
Dec 10, 2010	21.98	22.01	21.89	21.98	121,935	+0.03(+0.12%)
Dec 09, 2010	21.98	21.98	21.85	21.95	97,074	+0.00(+0.00%)
Dec 08, 2010	21.89	21.95	21.81	21.95	105,560	+0.15(+0.68%)
Dec 07, 2010	21.99	21.99	21.80	21.80	58,873	+0.08(+0.36%)
Dec 06, 2010	21.80	21.80	21.68	21.72	162,298	-0.16(-0.71%)
Dec 03, 2010	21.80	21.88	21.76	21.88	50,877	+0.09(+0.42%)
Dec 02, 2010	21.66	21.79	21.62	21.79	29,712	+0.16(+0.76%)

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