Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	22.78	22.79	22.72	22.74	14,916	+0.01(+0.05%)
Feb 25, 2011	22.68	22.73	22.68	22.73	24,791	+0.08(+0.34%)
Feb 24, 2011	22.65	22.66	22.61	22.65	12,383	+0.05(+0.21%)
Feb 23, 2011	22.62	22.64	22.58	22.61	24,303	-0.04(-0.16%)
Feb 22, 2011	22.67	22.71	22.62	22.64	28,814	-0.06(-0.26%)
Feb 18, 2011	22.68	22.72	22.65	22.70	28,211	+0.05(+0.21%)
Feb 17, 2011	22.61	22.68	22.59	22.65	9,586	+0.05(+0.21%)
Feb 16, 2011	22.62	22.63	22.60	22.61	6,416	+0.02(+0.07%)
Feb 15, 2011	22.60	22.61	22.56	22.59	6,400	+0.01(+0.03%)
Feb 14, 2011	22.58	22.61	22.58	22.58	9,565	+0.00(+0.00%)
Feb 11, 2011	22.55	22.58	22.54	22.58	5,372	+0.09(+0.38%)
Feb 10, 2011	22.49	22.51	22.48	22.50	16,185	-0.05(-0.24%)
Feb 09, 2011	22.52	22.56	22.50	22.55	12,702	+0.02(+0.11%)
Feb 08, 2011	22.57	22.58	22.53	22.53	14,252	-0.03(-0.15%)
Feb 07, 2011	22.54	22.58	22.52	22.56	5,832	+0.03(+0.12%)
Feb 04, 2011	22.53	22.54	22.49	22.54	7,030	-0.03(-0.14%)
Feb 03, 2011	22.57	22.57	22.54	22.57	25,704	-0.00(-0.02%)
Feb 02, 2011	22.60	22.63	22.57	22.57	1,895	-0.05(-0.24%)
Feb 01, 2011	22.59	22.65	22.59	22.63	15,393	+0.07(+0.30%)
Jan 31, 2011	22.55	22.56	22.55	22.56	6,281	+0.04(+0.17%)
Jan 28, 2011	22.59	22.64	22.51	22.52	9,705	-0.12(-0.55%)
Jan 27, 2011	22.59	22.65	22.59	22.65	17,597	+0.04(+0.17%)
Jan 26, 2011	22.61	22.63	22.59	22.61	26,034	+0.03(+0.14%)
Jan 25, 2011	22.55	22.58	22.50	22.57	10,896	+0.01(+0.06%)
Jan 24, 2011	22.52	22.56	22.50	22.56	5,755	+0.08(+0.34%)
Jan 21, 2011	22.53	22.53	22.47	22.48	7,963	+0.02(+0.08%)
Jan 20, 2011	22.53	22.53	22.47	22.47	7,017	-0.11(-0.48%)
Jan 19, 2011	22.61	22.64	22.54	22.58	20,523	-0.03(-0.14%)
Jan 18, 2011	22.61	22.63	22.58	22.61	15,270	-0.00(-0.01%)
Jan 14, 2011	22.58	22.62	22.58	22.61	21,636	+0.04(+0.19%)
Jan 13, 2011	22.57	22.59	22.54	22.57	9,970	+0.04(+0.17%)
Jan 12, 2011	22.54	22.57	22.50	22.53	17,292	+0.04(+0.17%)
Jan 11, 2011	22.49	22.50	22.45	22.49	5,891	+0.01(+0.04%)
Jan 10, 2011	22.46	22.48	22.40	22.48	14,894	+0.04(+0.19%)
Jan 07, 2011	22.47	22.47	22.40	22.44	16,546	-0.01(-0.05%)
Jan 06, 2011	22.47	22.47	22.41	22.45	8,947	-0.02(-0.07%)
Jan 05, 2011	22.42	22.47	22.41	22.47	8,706	-0.02(-0.10%)
Jan 04, 2011	22.56	22.56	22.46	22.49	65,152	-0.00(-0.00%)
Jan 03, 2011	22.47	22.54	22.42	22.49	14,027	+0.03(+0.13%)
Dec 31, 2010	22.42	22.47	22.42	22.46	3,948	+0.09(+0.39%)
Dec 30, 2010	22.37	22.42	22.36	22.37	4,741	-0.02(-0.10%)
Dec 29, 2010	22.33	22.42	22.33	22.40	10,590	+0.00(+0.00%)
Dec 28, 2010	22.40	22.44	22.37	22.39	4,862	-0.03(-0.14%)
Dec 23, 2010	22.40	22.43	22.43	22.43	11,665	-0.03(-0.14%)
Dec 22, 2010	22.50	22.50	22.41	22.46	12,580	+0.03(+0.13%)
Dec 21, 2010	22.43	22.43	22.38	22.43	2,957	+0.05(+0.22%)
Dec 20, 2010	22.40	22.40	22.35	22.38	135,348	+0.02(+0.07%)
Dec 17, 2010	22.28	22.36	22.27	22.36	11,977	+0.10(+0.44%)
Dec 16, 2010	22.26	22.29	22.21	22.27	11,537	+0.06(+0.29%)
Dec 15, 2010	22.30	22.34	22.20	22.20	5,480	-0.02(-0.10%)
Dec 14, 2010	22.32	22.33	22.22	22.22	6,780	-0.13(-0.59%)
Dec 13, 2010	22.33	22.39	22.30	22.36	13,924	+0.05(+0.23%)
Dec 10, 2010	22.34	22.34	22.26	22.31	14,956	+0.05(+0.23%)
Dec 09, 2010	22.27	22.33	22.24	22.26	29,000	-0.03(-0.14%)
Dec 08, 2010	22.30	22.31	22.24	22.29	10,958	-0.04(-0.17%)
Dec 07, 2010	22.43	22.44	22.33	22.33	64,362	-0.11(-0.49%)
Dec 06, 2010	22.40	22.43	22.37	22.43	13,484	+0.10(+0.45%)
Dec 03, 2010	22.29	22.35	22.29	22.33	11,510	+0.02(+0.07%)
Dec 02, 2010	22.33	22.36	22.29	22.32	10,656	+0.03(+0.14%)

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