Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2013	73.59	73.61	73.59	73.59	761,780	-0.01(-0.01%)
Feb 27, 2013	73.59	73.60	73.59	73.60	1,329,908	+0.00(+0.00%)
Feb 26, 2013	73.58	73.60	73.58	73.60	1,573,081	+0.02(+0.02%)
Feb 25, 2013	73.55	73.59	73.55	73.58	497,480	+0.02(+0.02%)
Feb 22, 2013	73.56	73.57	73.56	73.56	795,589	+0.00(+0.00%)
Feb 21, 2013	73.56	73.57	73.55	73.56	700,827	+0.03(+0.04%)
Feb 20, 2013	73.54	73.54	73.54	73.54	551,253	+0.00(+0.00%)
Feb 19, 2013	73.54	73.55	73.54	73.54	910,081	-0.01(-0.01%)
Feb 15, 2013	73.54	73.54	73.54	73.54	1,278,045	+0.01(+0.01%)
Feb 14, 2013	73.54	73.54	73.54	73.54	666,138	+0.01(+0.01%)
Feb 13, 2013	73.55	73.55	73.53	73.53	580,463	-0.01(-0.01%)
Feb 12, 2013	73.55	73.55	73.54	73.54	607,836	-0.02(-0.03%)
Feb 11, 2013	73.56	73.57	73.55	73.55	866,653	-0.02(-0.03%)
Feb 08, 2013	73.55	73.58	73.55	73.58	677,677	+0.01(+0.01%)
Feb 07, 2013	73.58	73.58	73.56	73.57	772,189	+0.00(+0.00%)
Feb 06, 2013	73.56	73.57	73.56	73.57	1,941,466	+0.02(+0.02%)
Feb 04, 2013	73.55	73.57	73.54	73.55	860,413	+0.02(+0.02%)
Feb 01, 2013	73.55	73.58	73.54	73.54	1,240,885	-0.01(-0.01%)
Jan 31, 2013	73.55	73.55	73.54	73.54	736,474	+0.01(+0.01%)
Jan 30, 2013	73.52	73.54	73.51	73.54	604,330	+0.03(+0.04%)
Jan 29, 2013	73.54	73.54	73.51	73.51	771,817	+0.01(+0.01%)
Jan 28, 2013	73.49	73.52	73.49	73.50	737,275	-0.03(-0.04%)
Jan 25, 2013	73.55	73.55	73.52	73.53	796,721	-0.03(-0.05%)
Jan 24, 2013	73.56	73.57	73.55	73.56	683,613	+0.00(+0.00%)
Jan 23, 2013	73.56	73.57	73.56	73.56	857,827	+0.00(+0.00%)
Jan 22, 2013	73.55	73.57	73.54	73.56	1,097,542	+0.02(+0.02%)
Jan 18, 2013	73.55	73.55	73.54	73.54	448,203	+0.00(+0.00%)
Jan 17, 2013	73.54	73.55	73.54	73.54	6,368,935	-0.01(-0.01%)
Jan 16, 2013	73.55	73.56	73.55	73.55	573,760	+0.00(+0.00%)
Jan 15, 2013	73.56	73.57	73.55	73.55	598,518	+0.01(+0.01%)
Jan 14, 2013	73.56	73.56	73.54	73.54	542,277	+0.00(+0.00%)
Jan 11, 2013	73.54	73.55	73.54	73.54	945,949	-0.01(-0.01%)
Jan 10, 2013	73.54	73.56	73.54	73.55	1,937,015	-0.01(-0.01%)
Jan 09, 2013	73.55	73.56	73.54	73.56	1,330,675	+0.03(+0.04%)
Jan 08, 2013	73.52	73.54	73.52	73.54	817,725	+0.01(+0.01%)
Jan 07, 2013	73.51	73.53	73.51	73.53	771,802	+0.00(+0.00%)
Jan 04, 2013	73.51	73.53	73.51	73.53	1,180,969	+0.01(+0.01%)
Jan 03, 2013	73.53	73.54	73.51	73.52	2,084,866	+0.00(+0.00%)
Jan 02, 2013	73.52	73.54	73.52	73.52	2,834,564	-0.02(-0.02%)
Dec 31, 2012	73.56	73.56	73.51	73.54	939,376	+0.00(+0.00%)
Dec 28, 2012	73.53	73.54	73.53	73.54	1,532,010	+0.00(+0.00%)
Dec 27, 2012	73.51	73.54	73.51	73.54	1,551,196	+0.03(+0.04%)
Dec 26, 2012	73.51	73.52	73.51	73.51	777,403	+0.00(+0.00%)
Dec 24, 2012	73.51	73.52	73.51	73.51	445,993	+0.00(+0.00%)
Dec 21, 2012	73.52	73.53	73.51	73.51	1,032,597	+0.01(+0.01%)
Dec 20, 2012	73.52	73.52	73.50	73.50	1,340,554	-0.01(-0.01%)
Dec 19, 2012	73.50	73.51	73.50	73.51	1,705,304	+0.02(+0.02%)
Dec 18, 2012	73.52	73.53	73.49	73.49	1,487,707	-0.04(-0.06%)
Dec 17, 2012	73.54	73.55	73.52	73.53	578,617	-0.02(-0.02%)
Dec 14, 2012	73.53	73.55	73.53	73.55	650,245	+0.02(+0.02%)
Dec 13, 2012	73.53	73.54	73.53	73.53	907,522	+0.00(+0.00%)
Dec 12, 2012	73.53	73.54	73.53	73.53	1,272,882	-0.01(-0.01%)
Dec 11, 2012	73.54	73.54	73.53	73.54	1,329,303	+0.00(+0.00%)
Dec 10, 2012	73.53	73.54	73.53	73.54	884,731	+0.00(+0.00%)
Dec 07, 2012	73.52	73.54	73.52	73.54	1,067,269	+0.00(+0.00%)
Dec 06, 2012	73.55	73.55	73.53	73.54	786,852	+0.00(+0.00%)
Dec 05, 2012	73.53	73.54	73.53	73.54	678,600	+0.02(+0.02%)

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