Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	72.51	72.53	72.50	72.52	1,048,880	+0.00(+0.00%)
May 23, 2011	72.54	72.55	72.52	72.52	822,851	+0.01(+0.01%)
May 20, 2011	72.51	72.53	72.50	72.52	1,231,177	+0.03(+0.04%)
May 19, 2011	72.40	72.51	72.40	72.49	878,219	+0.01(+0.01%)
May 18, 2011	72.50	72.51	72.46	72.48	1,535,401	-0.03(-0.05%)
May 17, 2011	72.50	72.54	72.49	72.52	1,103,197	+0.01(+0.01%)
May 16, 2011	72.47	72.51	72.46	72.51	1,694,359	+0.03(+0.05%)
May 13, 2011	72.46	72.49	72.45	72.47	793,611	+0.03(+0.05%)
May 12, 2011	72.47	72.47	72.42	72.44	864,968	-0.03(-0.05%)
May 11, 2011	72.42	72.48	72.41	72.47	1,629,854	+0.07(+0.10%)
May 10, 2011	72.46	72.46	72.40	72.40	842,631	-0.07(-0.10%)
May 09, 2011	72.47	72.48	72.46	72.47	616,734	+0.03(+0.05%)
May 06, 2011	72.39	72.47	72.37	72.44	1,890,230	+0.01(+0.01%)
May 05, 2011	72.40	72.43	72.40	72.43	1,044,985	+0.02(+0.02%)
May 04, 2011	72.38	72.43	72.34	72.41	1,774,271	+0.03(+0.05%)
May 03, 2011	72.38	72.39	72.35	72.38	523,824	+0.03(+0.04%)

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