Date	Open	High	Low	Close	Volume	Change (%)
Jul 31, 2012	73.52	73.53	73.50	73.51	1,054,311	+0.02(+0.02%)
Jul 30, 2012	73.49	73.50	73.48	73.50	2,665,952	+0.03(+0.05%)
Jul 27, 2012	73.48	73.50	73.44	73.46	1,043,740	-0.05(-0.07%)
Jul 26, 2012	73.50	73.51	73.50	73.51	2,332,308	+0.00(+0.00%)
Jul 25, 2012	73.53	73.53	73.50	73.51	1,157,938	+0.01(+0.01%)
Jul 24, 2012	73.51	73.52	73.50	73.50	3,298,597	-0.02(-0.02%)
Jul 23, 2012	73.52	73.53	73.50	73.52	464,326	+0.01(+0.01%)
Jul 20, 2012	73.50	73.52	73.50	73.51	2,582,845	+0.01(+0.01%)
Jul 19, 2012	73.50	73.51	73.50	73.50	1,659,516	+0.02(+0.02%)
Jul 18, 2012	73.47	73.50	73.47	73.49	3,447,735	+0.02(+0.02%)
Jul 17, 2012	73.47	73.48	73.46	73.47	2,529,636	-0.01(-0.01%)
Jul 16, 2012	73.48	73.50	73.48	73.48	955,250	+0.03(+0.04%)
Jul 13, 2012	73.44	73.46	73.43	73.45	729,092	+0.02(+0.02%)
Jul 12, 2012	73.43	73.44	73.42	73.44	410,267	+0.02(+0.02%)
Jul 11, 2012	73.42	73.43	73.41	73.42	643,284	+0.01(+0.01%)
Jul 10, 2012	73.43	73.43	73.41	73.41	563,589	+0.00(+0.00%)
Jul 09, 2012	73.42	73.43	73.41	73.41	645,171	+0.00(+0.00%)
Jul 06, 2012	73.41	73.42	73.40	73.41	1,843,454	+0.02(+0.03%)
Jul 05, 2012	73.37	73.39	73.37	73.39	1,385,997	+0.03(+0.04%)
Jul 03, 2012	73.37	73.38	73.36	73.36	1,296,774	-0.02(-0.02%)
Jul 02, 2012	73.36	73.38	73.36	73.37	17,224,492	+0.02(+0.03%)
Jun 29, 2012	73.33	73.37	73.33	73.35	1,337,832	+0.00(+0.00%)
Jun 28, 2012	73.36	73.37	73.34	73.35	1,043,201	+0.01(+0.01%)
Jun 27, 2012	73.36	73.36	73.33	73.34	3,595,405	+0.00(+0.00%)
Jun 26, 2012	73.35	73.36	73.33	73.34	3,819,667	-0.02(-0.02%)
Jun 25, 2012	73.35	73.38	73.35	73.36	3,405,603	+0.00(+0.00%)
Jun 22, 2012	73.35	73.36	73.34	73.36	1,430,001	+0.01(+0.01%)
Jun 21, 2012	73.34	73.36	73.34	73.35	806,202	+0.01(+0.01%)
Jun 20, 2012	73.38	73.39	73.33	73.34	3,501,340	-0.03(-0.04%)
Jun 19, 2012	73.38	73.39	73.37	73.37	2,026,267	-0.01(-0.01%)
Jun 18, 2012	73.39	73.39	73.37	73.38	4,375,045	-0.02(-0.02%)
Jun 15, 2012	73.38	73.40	73.37	73.40	550,696	+0.03(+0.04%)
Jun 14, 2012	73.39	73.39	73.36	73.37	1,145,498	+0.01(+0.01%)
Jun 13, 2012	73.38	73.38	73.35	73.36	618,032	-0.01(-0.01%)
Jun 12, 2012	73.40	73.40	73.35	73.37	1,827,042	-0.03(-0.05%)
Jun 11, 2012	73.38	73.40	73.38	73.40	1,225,262	+0.00(+0.00%)
Jun 08, 2012	73.41	73.41	73.40	73.40	1,254,107	+0.00(+0.00%)
Jun 07, 2012	73.41	73.41	73.38	73.40	3,334,160	-0.01(-0.01%)
Jun 06, 2012	73.44	73.44	73.40	73.41	1,590,116	-0.03(-0.04%)
Jun 05, 2012	73.43	73.44	73.41	73.44	1,916,404	+0.02(+0.02%)
Jun 04, 2012	73.43	73.44	73.42	73.42	6,670,746	-0.01(-0.01%)
Jun 01, 2012	73.46	73.46	73.42	73.43	2,551,859	+0.01(+0.01%)
May 31, 2012	73.42	73.43	73.39	73.42	4,300,381	+0.03(+0.04%)
May 30, 2012	73.37	73.41	73.37	73.40	1,426,257	+0.03(+0.05%)
May 29, 2012	73.35	73.38	73.35	73.36	1,491,172	-0.02(-0.02%)
May 25, 2012	73.37	73.38	73.34	73.38	915,369	+0.03(+0.05%)
May 24, 2012	73.34	73.34	73.34	73.34	741,994	-0.03(-0.04%)
May 23, 2012	73.36	73.37	73.34	73.37	1,068,052	+0.03(+0.05%)
May 22, 2012	73.35	73.35	73.34	73.34	1,372,724	-0.03(-0.04%)
May 21, 2012	73.35	73.36	73.34	73.36	1,098,239	+0.01(+0.01%)
May 18, 2012	73.34	73.35	73.33	73.35	3,125,058	+0.01(+0.01%)
May 17, 2012	73.37	73.37	73.34	73.34	2,179,246	-0.03(-0.05%)
May 16, 2012	73.37	73.38	73.36	73.38	1,364,903	-0.01(-0.01%)
May 15, 2012	73.40	73.41	73.38	73.39	3,762,428	-0.01(-0.01%)
May 14, 2012	73.40	73.41	73.40	73.40	919,991	-0.01(-0.01%)
May 11, 2012	73.41	73.41	73.39	73.41	497,131	+0.01(+0.01%)
May 10, 2012	73.39	73.41	73.38	73.40	1,232,612	-0.01(-0.01%)
May 09, 2012	73.41	73.41	73.40	73.41	1,450,548	-0.01(-0.01%)
May 08, 2012	73.41	73.41	73.39	73.41	1,169,646	+0.01(+0.01%)
May 07, 2012	73.41	73.41	73.40	73.41	1,513,215	+0.00(+0.00%)
May 04, 2012	73.41	73.41	73.40	73.41	918,934	+0.03(+0.04%)
May 03, 2012	73.38	73.40	73.37	73.38	1,008,709	-0.01(-0.01%)
May 02, 2012	73.38	73.39	73.37	73.39	2,424,257	+0.01(+0.01%)

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