Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.60	20.60	20.26	20.28	4,368,581	-0.25(-1.21%)
May 23, 2011	20.63	20.71	20.49	20.53	3,572,889	-0.18(-0.88%)
May 20, 2011	20.68	20.77	20.55	20.71	3,887,406	-0.04(-0.20%)
May 19, 2011	20.62	20.76	20.58	20.75	4,047,207	+0.15(+0.74%)
May 18, 2011	20.53	20.62	20.30	20.60	3,936,706	+0.07(+0.33%)
May 17, 2011	20.33	20.59	20.29	20.53	3,647,405	+0.18(+0.87%)
May 16, 2011	20.25	20.54	20.09	20.36	5,825,307	+0.05(+0.24%)
May 13, 2011	20.53	20.60	20.20	20.31	5,610,934	-0.15(-0.74%)
May 12, 2011	20.19	20.53	20.09	20.46	6,084,692	+0.27(+1.35%)
May 11, 2011	20.00	20.21	19.89	20.19	6,030,113	+0.16(+0.79%)
May 10, 2011	19.71	20.09	19.66	20.03	4,494,063	+0.39(+2.01%)
May 09, 2011	19.66	19.76	19.51	19.63	4,180,081	+0.02(+0.12%)
May 06, 2011	19.51	19.80	19.48	19.61	12,043,100	+0.15(+0.78%)
May 05, 2011	19.59	19.71	19.27	19.46	5,289,771	-0.18(-0.90%)
May 04, 2011	19.52	19.68	19.23	19.63	7,186,943	+0.07(+0.37%)
May 03, 2011	19.54	19.91	19.39	19.56	7,451,202	+0.02(+0.12%)

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