Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	19.93	20.01	19.62	19.76	346,392	-0.18(-0.93%)
May 23, 2011	19.95	19.98	19.64	19.95	283,684	-0.21(-1.03%)
May 20, 2011	20.30	20.42	19.97	20.15	338,042	-0.20(-0.98%)
May 19, 2011	20.23	20.48	20.02	20.35	519,927	+0.24(+1.17%)
May 18, 2011	19.87	20.26	19.66	20.12	600,028	+0.29(+1.47%)
May 17, 2011	19.93	19.96	19.69	19.82	315,061	-0.21(-1.03%)
May 16, 2011	20.42	20.42	19.85	20.03	378,277	-0.44(-2.16%)
May 13, 2011	20.83	20.95	20.35	20.47	247,876	-0.38(-1.80%)
May 12, 2011	20.84	21.11	20.51	20.85	483,790	-0.10(-0.49%)
May 11, 2011	21.19	21.22	20.60	20.95	602,363	-0.22(-1.04%)
May 10, 2011	20.90	21.25	20.75	21.17	473,392	+0.27(+1.30%)
May 09, 2011	20.98	20.99	20.60	20.90	665,392	-0.10(-0.49%)
May 06, 2011	21.30	21.46	20.96	21.00	411,388	-0.18(-0.83%)
May 05, 2011	20.77	21.23	20.72	21.18	441,224	+0.24(+1.12%)
May 04, 2011	21.40	21.84	20.86	20.94	945,505	-0.96(-4.37%)
May 03, 2011	21.63	22.20	21.40	21.90	1,173,358	-0.26(-1.16%)

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