Date	Open	High	Low	Close	Volume	Change (%)
Mar 30, 2012	43.21	43.22	43.21	43.21	14,191	-0.03(-0.06%)
Mar 29, 2012	43.20	43.24	43.20	43.24	84,830	+0.01(+0.02%)
Mar 28, 2012	43.23	43.23	43.21	43.23	51,446	+0.00(+0.00%)
Mar 27, 2012	43.19	43.23	43.19	43.23	35,475	+0.03(+0.06%)
Mar 26, 2012	43.20	43.20	43.19	43.20	23,342	-0.00(-0.00%)
Mar 23, 2012	43.17	43.20	43.17	43.20	24,149	+0.02(+0.04%)
Mar 22, 2012	43.18	43.20	43.18	43.19	15,363	+0.00(+0.00%)
Mar 21, 2012	43.18	43.19	43.16	43.19	30,021	+0.04(+0.08%)
Mar 20, 2012	43.14	43.17	43.14	43.15	28,286	+0.01(+0.02%)
Mar 19, 2012	43.21	43.21	43.14	43.14	45,330	-0.02(-0.04%)
Mar 16, 2012	43.16	43.17	43.14	43.16	71,332	+0.01(+0.02%)
Mar 15, 2012	43.18	43.20	43.15	43.15	83,014	-0.01(-0.02%)
Mar 14, 2012	43.19	43.19	43.15	43.16	32,490	-0.04(-0.10%)
Mar 13, 2012	43.20	43.21	43.20	43.20	44,385	-0.03(-0.08%)
Mar 12, 2012	43.21	43.25	43.20	43.24	72,471	+0.02(+0.05%)
Mar 09, 2012	43.20	43.24	43.20	43.22	21,227	-0.02(-0.05%)
Mar 08, 2012	43.24	43.25	43.22	43.24	29,530	+0.01(+0.02%)
Mar 07, 2012	43.23	43.26	43.23	43.23	22,547	+0.00(+0.00%)
Mar 06, 2012	43.24	43.26	43.23	43.23	53,461	+0.01(+0.02%)
Mar 05, 2012	43.26	43.26	43.21	43.22	194,756	-0.04(-0.10%)
Mar 02, 2012	43.25	43.27	43.25	43.26	23,573	+0.01(+0.02%)
Mar 01, 2012	43.25	43.26	43.23	43.26	40,852	-0.00(-0.00%)
Feb 29, 2012	43.24	43.26	43.24	43.26	28,352	+0.01(+0.02%)
Feb 28, 2012	43.25	43.27	43.25	43.25	30,730	-0.01(-0.02%)
Feb 27, 2012	43.26	43.27	43.24	43.26	25,234	+0.01(+0.02%)
Feb 24, 2012	43.26	43.26	43.23	43.25	38,764	+0.01(+0.03%)
Feb 23, 2012	43.23	43.25	43.22	43.23	53,577	-0.01(-0.03%)
Feb 22, 2012	43.24	43.26	43.23	43.25	47,650	+0.00(+0.01%)
Feb 21, 2012	43.26	43.28	43.23	43.24	54,074	-0.01(-0.02%)
Feb 17, 2012	43.26	43.26	43.23	43.25	43,871	+0.01(+0.01%)
Feb 16, 2012	43.27	43.28	43.24	43.25	62,618	-0.03(-0.08%)
Feb 15, 2012	43.26	43.31	43.25	43.28	54,925	+0.01(+0.02%)
Feb 14, 2012	43.26	43.27	43.25	43.27	50,760	+0.02(+0.04%)
Feb 13, 2012	43.26	43.29	43.25	43.26	42,850	-0.01(-0.02%)
Feb 10, 2012	43.30	43.30	43.25	43.27	62,770	-0.01(-0.02%)
Feb 09, 2012	43.32	43.32	43.26	43.27	88,092	-0.03(-0.06%)
Feb 08, 2012	43.28	43.31	43.28	43.30	50,174	-0.03(-0.08%)
Feb 07, 2012	43.32	43.33	43.31	43.33	50,279	+0.02(+0.04%)
Feb 06, 2012	43.32	43.32	43.29	43.31	44,039	+0.03(+0.08%)
Feb 03, 2012	43.32	43.32	43.23	43.28	300,774	-0.06(-0.14%)
Feb 02, 2012	43.34	43.34	43.32	43.34	46,501	+0.00(+0.00%)
Feb 01, 2012	43.38	43.38	43.31	43.34	174,627	+0.01(+0.02%)
Jan 31, 2012	43.32	43.36	43.32	43.33	73,351	-0.02(-0.06%)
Jan 30, 2012	43.32	43.38	43.32	43.36	80,539	+0.01(+0.02%)
Jan 27, 2012	43.34	43.35	43.32	43.35	8,139	+0.02(+0.04%)
Jan 26, 2012	43.35	43.35	43.33	43.33	18,036	-0.01(-0.02%)
Jan 25, 2012	43.34	43.35	43.32	43.34	30,947	+0.02(+0.04%)
Jan 24, 2012	43.29	43.34	43.29	43.32	53,967	+0.02(+0.05%)
Jan 23, 2012	43.31	43.31	43.29	43.30	26,532	-0.00(-0.01%)
Jan 20, 2012	43.32	43.32	43.30	43.31	32,429	-0.00(-0.00%)
Jan 19, 2012	43.33	43.33	43.29	43.31	36,958	+0.01(+0.02%)
Jan 18, 2012	43.34	43.34	43.30	43.30	67,853	-0.03(-0.08%)
Jan 17, 2012	43.30	43.34	43.30	43.33	62,871	+0.02(+0.04%)
Jan 13, 2012	43.32	43.32	43.31	43.32	24,955	+0.00(+0.00%)
Jan 12, 2012	43.29	43.32	43.29	43.31	21,635	-0.00(-0.00%)
Jan 11, 2012	43.28	43.32	43.28	43.32	39,547	+0.02(+0.04%)
Jan 10, 2012	43.29	43.30	43.27	43.30	17,413	+0.02(+0.05%)
Jan 09, 2012	43.29	43.29	43.26	43.27	79,754	-0.02(-0.04%)
Jan 06, 2012	43.26	43.29	43.26	43.29	34,652	+0.02(+0.04%)
Jan 05, 2012	43.28	43.28	43.26	43.27	25,390	+0.01(+0.02%)

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