Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.18	20.21	20.05	20.16	23,438	+0.11(+0.52%)
May 23, 2011	20.03	20.08	19.95	20.05	19,853	-0.37(-1.80%)
May 20, 2011	20.38	20.53	20.32	20.42	20,268	-0.14(-0.68%)
May 19, 2011	20.55	20.56	20.46	20.56	10,408	+0.12(+0.60%)
May 18, 2011	20.33	20.46	20.33	20.44	17,322	+0.24(+1.19%)
May 17, 2011	20.16	20.21	19.93	20.20	344,535	+0.00(+0.00%)
May 16, 2011	20.25	20.37	20.19	20.20	13,286	-0.09(-0.43%)
May 13, 2011	20.40	20.40	20.17	20.28	7,733	-0.21(-1.00%)
May 12, 2011	20.39	20.55	20.33	20.49	75,204	+0.07(+0.32%)
May 11, 2011	20.70	20.70	20.38	20.42	17,876	-0.41(-1.96%)
May 10, 2011	20.68	20.84	20.68	20.83	33,181	+0.16(+0.80%)
May 09, 2011	20.59	20.68	20.50	20.67	26,650	+0.15(+0.73%)
May 06, 2011	20.68	20.78	20.48	20.52	9,361	+0.21(+1.04%)
May 05, 2011	20.49	20.52	20.28	20.31	22,084	-0.33(-1.61%)
May 04, 2011	20.75	20.75	20.52	20.64	24,367	-0.17(-0.81%)
May 03, 2011	20.90	20.91	20.77	20.81	16,791	-0.15(-0.70%)

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