Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.83	20.96	20.68	20.89	4,018,744	+0.05(+0.25%)
May 23, 2011	20.81	20.90	20.71	20.84	2,608,317	-0.24(-1.16%)
May 20, 2011	21.02	21.22	20.92	21.08	2,931,220	-0.02(-0.09%)
May 19, 2011	21.19	21.24	20.96	21.10	2,930,018	+0.02(+0.09%)
May 18, 2011	21.05	21.22	20.88	21.08	2,712,384	+0.00(+0.00%)
May 17, 2011	20.99	21.12	20.91	21.08	3,168,142	+0.09(+0.41%)
May 16, 2011	21.38	21.39	20.90	21.00	4,470,382	-0.42(-1.97%)
May 13, 2011	21.69	21.70	21.32	21.42	2,330,607	-0.24(-1.10%)
May 12, 2011	21.45	21.72	21.42	21.66	2,882,476	+0.11(+0.49%)
May 11, 2011	21.55	21.62	21.32	21.55	4,081,267	+0.01(+0.06%)
May 10, 2011	21.43	21.56	21.37	21.54	3,072,946	+0.21(+0.99%)
May 09, 2011	21.14	21.37	21.08	21.33	3,176,701	+0.19(+0.91%)
May 06, 2011	21.45	21.53	21.11	21.14	4,659,574	-0.11(-0.53%)
May 05, 2011	21.54	21.54	21.16	21.25	3,755,900	-0.38(-1.74%)
May 04, 2011	21.71	21.80	21.43	21.63	3,598,740	-0.17(-0.76%)
May 03, 2011	21.68	21.79	21.47	21.79	3,962,503	+0.08(+0.37%)

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