Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	22.69	22.69	22.65	22.66	9,560	-0.01(-0.03%)
Mar 30, 2011	22.65	22.68	22.61	22.66	38,397	+0.09(+0.38%)
Mar 29, 2011	22.55	22.61	22.55	22.58	19,291	-0.00(-0.00%)
Mar 28, 2011	22.61	22.62	22.58	22.58	27,048	-0.03(-0.12%)
Mar 25, 2011	22.66	22.66	22.59	22.60	29,118	-0.00(-0.02%)
Mar 24, 2011	22.60	22.61	22.57	22.61	5,032	+0.05(+0.23%)
Mar 23, 2011	22.59	22.59	22.53	22.56	11,879	+0.01(+0.05%)
Mar 22, 2011	22.60	22.60	22.55	22.55	6,140	-0.07(-0.31%)
Mar 21, 2011	22.58	22.62	22.58	22.62	12,508	+0.08(+0.34%)
Mar 18, 2011	22.56	22.56	22.52	22.54	11,179	+0.05(+0.24%)
Mar 17, 2011	22.52	22.52	22.49	22.49	14,367	+0.06(+0.28%)
Mar 16, 2011	22.49	22.52	22.42	22.42	14,307	-0.09(-0.38%)
Mar 15, 2011	22.47	22.51	22.47	22.51	18,349	-0.03(-0.12%)
Mar 14, 2011	22.55	22.55	22.50	22.53	17,544	-0.04(-0.19%)
Mar 11, 2011	22.49	22.58	22.49	22.58	15,202	+0.01(+0.03%)
Mar 10, 2011	22.58	22.58	22.52	22.57	15,236	-0.04(-0.19%)
Mar 09, 2011	22.62	22.63	22.56	22.61	11,041	-0.00(-0.01%)
Mar 08, 2011	22.49	22.62	22.49	22.62	30,365	+0.04(+0.17%)
Mar 07, 2011	22.81	22.81	22.53	22.58	43,188	-0.01(-0.03%)
Mar 04, 2011	22.63	22.63	22.57	22.59	20,506	-0.02(-0.08%)
Mar 03, 2011	22.53	22.61	22.53	22.60	35,348	+0.06(+0.25%)
Mar 02, 2011	22.52	22.59	22.52	22.55	40,708	-0.03(-0.14%)
Mar 01, 2011	22.65	22.65	22.56	22.58	15,466	-0.03(-0.15%)
Feb 28, 2011	22.65	22.66	22.59	22.61	15,002	+0.01(+0.05%)
Feb 25, 2011	22.55	22.60	22.55	22.60	24,933	+0.08(+0.34%)
Feb 24, 2011	22.52	22.53	22.48	22.52	12,454	+0.05(+0.21%)
Feb 23, 2011	22.49	22.51	22.45	22.48	24,442	-0.03(-0.16%)
Feb 22, 2011	22.54	22.58	22.49	22.51	28,979	-0.06(-0.26%)
Feb 18, 2011	22.55	22.59	22.52	22.57	28,373	+0.05(+0.21%)
Feb 17, 2011	22.48	22.55	22.46	22.52	9,641	+0.05(+0.21%)
Feb 16, 2011	22.49	22.50	22.47	22.48	6,452	+0.02(+0.07%)
Feb 15, 2011	22.47	22.48	22.43	22.46	6,437	+0.01(+0.03%)
Feb 14, 2011	22.45	22.48	22.45	22.45	9,620	+0.00(+0.00%)
Feb 11, 2011	22.42	22.45	22.42	22.45	5,403	+0.09(+0.38%)
Feb 10, 2011	22.36	22.38	22.35	22.37	16,278	-0.05(-0.24%)
Feb 09, 2011	22.39	22.43	22.38	22.42	12,775	+0.02(+0.11%)
Feb 08, 2011	22.44	22.45	22.40	22.40	14,334	-0.03(-0.15%)
Feb 07, 2011	22.41	22.45	22.39	22.43	5,866	+0.03(+0.12%)
Feb 04, 2011	22.40	22.41	22.37	22.41	7,070	-0.03(-0.14%)
Feb 03, 2011	22.44	22.44	22.41	22.44	25,851	-0.00(-0.02%)
Feb 02, 2011	22.47	22.50	22.44	22.44	1,906	-0.05(-0.24%)
Feb 01, 2011	22.46	22.52	22.46	22.50	15,481	+0.07(+0.30%)
Jan 31, 2011	22.42	22.43	22.42	22.43	6,317	+0.04(+0.17%)
Jan 28, 2011	22.46	22.51	22.38	22.39	9,761	-0.12(-0.55%)
Jan 27, 2011	22.46	22.52	22.46	22.52	17,698	+0.04(+0.17%)
Jan 26, 2011	22.48	22.50	22.46	22.48	26,184	+0.03(+0.14%)
Jan 25, 2011	22.42	22.45	22.38	22.45	10,959	+0.01(+0.07%)
Jan 24, 2011	22.39	22.43	22.37	22.43	5,788	+0.08(+0.34%)
Jan 21, 2011	22.40	22.40	22.35	22.35	8,009	+0.02(+0.08%)
Jan 20, 2011	22.40	22.40	22.34	22.34	7,057	-0.11(-0.48%)
Jan 19, 2011	22.48	22.51	22.41	22.45	20,641	-0.03(-0.14%)
Jan 18, 2011	22.48	22.50	22.45	22.48	15,358	-0.00(-0.01%)
Jan 14, 2011	22.45	22.49	22.45	22.48	21,760	+0.04(+0.19%)
Jan 13, 2011	22.44	22.46	22.42	22.44	10,028	+0.04(+0.17%)
Jan 12, 2011	22.41	22.44	22.38	22.40	17,391	+0.04(+0.17%)
Jan 11, 2011	22.36	22.37	22.32	22.36	5,925	+0.01(+0.04%)
Jan 10, 2011	22.33	22.35	22.28	22.35	14,980	+0.04(+0.19%)
Jan 07, 2011	22.35	22.35	22.27	22.31	16,640	-0.01(-0.05%)
Jan 06, 2011	22.35	22.35	22.28	22.32	8,999	-0.02(-0.07%)
Jan 05, 2011	22.29	22.35	22.28	22.34	8,756	-0.02(-0.10%)
Jan 04, 2011	22.43	22.43	22.33	22.36	65,525	-0.00(-0.00%)

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