Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.76	20.77	20.42	20.44	4,333,852	-0.25(-1.21%)
May 23, 2011	20.80	20.88	20.66	20.69	3,544,485	-0.18(-0.88%)
May 20, 2011	20.85	20.94	20.71	20.87	3,856,501	-0.04(-0.20%)
May 19, 2011	20.78	20.93	20.74	20.92	4,015,032	+0.15(+0.74%)
May 18, 2011	20.70	20.78	20.46	20.76	3,905,409	+0.07(+0.33%)
May 17, 2011	20.49	20.75	20.46	20.70	3,618,409	+0.18(+0.87%)
May 16, 2011	20.41	20.70	20.26	20.52	5,778,997	+0.05(+0.24%)
May 13, 2011	20.69	20.77	20.37	20.47	5,566,328	-0.15(-0.74%)
May 12, 2011	20.35	20.70	20.26	20.62	6,036,320	+0.28(+1.35%)
May 11, 2011	20.16	20.37	20.05	20.35	5,982,174	+0.16(+0.79%)
May 10, 2011	19.86	20.26	19.81	20.19	4,458,335	+0.40(+2.01%)
May 09, 2011	19.81	19.92	19.67	19.79	4,146,850	+0.02(+0.12%)
May 06, 2011	19.67	19.96	19.63	19.77	11,947,359	+0.15(+0.78%)
May 05, 2011	19.75	19.86	19.42	19.61	5,247,718	-0.18(-0.90%)
May 04, 2011	19.67	19.84	19.38	19.79	7,129,808	+0.07(+0.37%)
May 03, 2011	19.70	20.07	19.55	19.72	7,391,966	+0.02(+0.12%)

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