Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	73.39	73.39	73.37	73.38	741,976	+0.02(+0.02%)
Apr 27, 2012	73.39	73.39	73.36	73.36	818,978	-0.02(-0.02%)
Apr 26, 2012	73.38	73.39	73.36	73.38	818,994	+0.01(+0.01%)
Apr 25, 2012	73.35	73.38	73.35	73.37	1,052,060	+0.02(+0.02%)
Apr 24, 2012	73.38	73.39	73.36	73.36	1,323,096	-0.03(-0.04%)
Apr 23, 2012	73.38	73.38	73.36	73.38	852,831	+0.02(+0.02%)
Apr 20, 2012	73.36	73.36	73.34	73.36	579,080	+0.00(+0.00%)
Apr 19, 2012	73.35	73.36	73.35	73.36	643,079	+0.01(+0.01%)
Apr 18, 2012	73.36	73.36	73.35	73.36	540,011	+0.02(+0.02%)
Apr 17, 2012	73.35	73.36	73.33	73.34	889,638	+0.00(+0.00%)
Apr 16, 2012	73.35	73.36	73.34	73.34	655,928	+0.00(+0.00%)
Apr 13, 2012	73.35	73.35	73.33	73.34	3,291,515	+0.01(+0.01%)
Apr 12, 2012	73.34	73.34	73.32	73.33	973,329	+0.01(+0.01%)
Apr 11, 2012	73.30	73.33	73.30	73.32	2,646,164	-0.01(-0.01%)
Apr 10, 2012	73.30	73.33	73.29	73.33	1,179,612	+0.03(+0.05%)
Apr 09, 2012	73.27	73.30	73.27	73.30	1,034,168	+0.05(+0.07%)
Apr 05, 2012	73.23	73.24	73.23	73.24	873,457	+0.03(+0.04%)
Apr 04, 2012	73.24	73.24	73.21	73.22	1,606,625	+0.02(+0.02%)
Apr 03, 2012	73.25	73.25	73.19	73.20	1,877,878	-0.05(-0.07%)
Apr 02, 2012	73.27	73.27	73.23	73.25	800,706	+0.02(+0.02%)
Mar 30, 2012	73.23	73.24	73.23	73.23	1,092,952	-0.01(-0.01%)
Mar 29, 2012	73.24	73.24	73.23	73.24	851,067	+0.03(+0.04%)
Mar 28, 2012	73.23	73.25	73.22	73.22	848,093	-0.02(-0.02%)
Mar 27, 2012	73.23	73.24	73.21	73.23	1,256,216	+0.03(+0.04%)
Mar 26, 2012	73.20	73.21	73.19	73.21	1,192,319	+0.02(+0.02%)
Mar 23, 2012	73.20	73.21	73.19	73.19	804,104	+0.01(+0.01%)
Mar 22, 2012	73.19	73.19	73.17	73.18	967,059	+0.01(+0.01%)
Mar 21, 2012	73.16	73.17	73.14	73.17	658,815	+0.04(+0.06%)
Mar 20, 2012	73.15	73.16	73.11	73.13	913,912	-0.02(-0.02%)
Mar 19, 2012	73.16	73.17	73.13	73.15	2,602,991	-0.05(-0.07%)
Mar 16, 2012	73.19	73.21	73.16	73.20	3,213,131	+0.04(+0.06%)
Mar 15, 2012	73.15	73.18	73.14	73.16	4,294,675	+0.04(+0.06%)
Mar 14, 2012	73.18	73.19	73.11	73.11	1,556,058	-0.10(-0.14%)
Mar 13, 2012	73.23	73.24	73.21	73.22	1,479,097	-0.04(-0.06%)
Mar 12, 2012	73.27	73.28	73.25	73.26	876,906	+0.01(+0.01%)
Mar 09, 2012	73.27	73.28	73.25	73.25	760,367	+0.00(+0.00%)
Mar 08, 2012	73.28	73.28	73.25	73.25	1,105,388	-0.03(-0.04%)
Mar 07, 2012	73.29	73.30	73.28	73.28	676,892	-0.02(-0.02%)
Mar 06, 2012	73.31	73.31	73.29	73.29	2,628,174	+0.00(+0.00%)
Mar 05, 2012	73.29	73.29	73.28	73.29	1,342,712	+0.00(+0.00%)
Mar 02, 2012	73.29	73.30	73.29	73.29	1,052,848	+0.02(+0.02%)
Mar 01, 2012	73.26	73.28	73.26	73.28	1,201,944	-0.01(-0.02%)
Feb 29, 2012	73.29	73.29	73.26	73.29	756,117	+0.00(+0.00%)
Feb 28, 2012	73.29	73.31	73.28	73.29	1,131,948	+0.02(+0.02%)
Feb 27, 2012	73.29	73.30	73.27	73.27	1,221,946	+0.02(+0.02%)
Feb 24, 2012	73.27	73.28	73.26	73.26	4,260,615	-0.02(-0.02%)
Feb 23, 2012	73.26	73.29	73.26	73.27	3,849,318	-0.01(-0.01%)
Feb 22, 2012	73.26	73.28	73.26	73.28	1,848,476	+0.03(+0.05%)
Feb 21, 2012	73.27	73.27	73.25	73.25	2,251,368	-0.02(-0.02%)
Feb 17, 2012	73.28	73.29	73.26	73.26	953,513	-0.02(-0.02%)
Feb 16, 2012	73.31	73.32	73.28	73.28	1,689,963	-0.03(-0.04%)
Feb 15, 2012	73.29	73.32	73.28	73.31	1,416,346	+0.01(+0.01%)
Feb 14, 2012	73.28	73.30	73.28	73.30	1,231,792	+0.02(+0.02%)
Feb 13, 2012	73.31	73.32	73.28	73.28	1,248,002	-0.04(-0.06%)
Feb 10, 2012	73.31	73.33	73.31	73.32	1,180,998	+0.02(+0.02%)
Feb 09, 2012	73.34	73.34	73.31	73.31	882,808	-0.03(-0.05%)
Feb 08, 2012	73.32	73.35	73.32	73.34	1,390,640	+0.00(+0.00%)
Feb 07, 2012	73.36	73.36	73.33	73.34	2,223,132	-0.02(-0.02%)
Feb 06, 2012	73.38	73.38	73.36	73.36	2,746,516	-0.02(-0.02%)
Feb 03, 2012	73.37	73.39	73.36	73.38	2,804,532	+0.00(+0.00%)
Feb 02, 2012	73.38	73.39	73.37	73.38	3,444,475	+0.01(+0.01%)

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