Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.95	20.96	20.86	20.89	109,370	-0.02(-0.09%)
May 23, 2011	20.92	20.95	20.84	20.90	91,347	-0.17(-0.83%)
May 20, 2011	21.19	21.19	21.03	21.08	133,467	-0.11(-0.51%)
May 19, 2011	21.14	21.20	21.07	21.19	1,042,398	+0.11(+0.51%)
May 18, 2011	20.96	21.09	20.91	21.08	1,042,617	+0.15(+0.72%)
May 17, 2011	20.88	20.96	20.83	20.93	178,461	+0.00(+0.00%)
May 16, 2011	20.93	21.02	20.91	20.93	431,707	-0.06(-0.29%)
May 13, 2011	21.08	21.12	20.96	20.99	185,626	-0.05(-0.24%)
May 12, 2011	20.76	21.06	20.76	21.04	1,051,793	+0.22(+1.07%)
May 11, 2011	20.87	20.93	20.75	20.82	63,308	-0.08(-0.36%)
May 10, 2011	20.79	20.92	20.79	20.89	1,008,803	+0.13(+0.64%)
May 09, 2011	20.74	20.79	20.69	20.76	43,708	+0.05(+0.22%)
May 06, 2011	20.76	20.89	20.66	20.71	83,883	+0.06(+0.31%)
May 05, 2011	20.67	20.81	20.60	20.65	129,592	-0.14(-0.68%)
May 04, 2011	20.85	20.86	20.75	20.79	27,503	-0.01(-0.06%)
May 03, 2011	20.80	20.83	20.75	20.80	305,179	-0.01(-0.06%)

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