Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.97	21.13	20.96	21.11	606,045	+0.23(+1.12%)
May 23, 2011	20.80	20.95	20.73	20.87	198,276	-0.17(-0.80%)
May 20, 2011	20.95	21.13	20.84	21.04	532,965	+0.03(+0.12%)
May 19, 2011	21.06	21.06	20.86	21.01	547,662	+0.06(+0.28%)
May 18, 2011	20.79	20.96	20.77	20.96	227,104	+0.15(+0.72%)
May 17, 2011	20.74	20.82	20.61	20.80	1,140,226	+0.05(+0.24%)
May 16, 2011	20.89	20.96	20.72	20.75	673,480	-0.18(-0.88%)
May 13, 2011	21.08	21.16	20.83	20.94	379,508	-0.19(-0.91%)
May 12, 2011	20.93	21.20	20.88	21.13	174,520	+0.13(+0.60%)
May 11, 2011	21.14	21.16	20.88	21.01	260,288	-0.10(-0.48%)
May 10, 2011	20.86	21.11	20.83	21.11	1,291,188	+0.34(+1.65%)
May 09, 2011	20.59	20.79	20.59	20.76	790,790	+0.13(+0.61%)
May 06, 2011	20.65	20.79	20.58	20.64	555,957	+0.13(+0.61%)
May 05, 2011	20.44	20.67	20.44	20.51	294,036	-0.04(-0.20%)
May 04, 2011	20.65	20.67	20.49	20.55	305,969	-0.08(-0.41%)
May 03, 2011	20.49	20.70	20.49	20.64	693,733	+0.18(+0.86%)

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