Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	41.87	41.99	41.81	41.82	14,455	+0.07(+0.16%)
May 23, 2011	41.99	41.99	41.75	41.75	382,197	-0.24(-0.58%)
May 20, 2011	41.97	42.01	41.95	41.99	6,180	+0.06(+0.13%)
May 19, 2011	41.96	41.99	41.91	41.94	18,482	-0.06(-0.13%)
May 18, 2011	41.97	42.01	41.97	41.99	11,915	+0.08(+0.18%)
May 17, 2011	41.95	42.01	41.92	41.92	31,978	-0.01(-0.03%)
May 16, 2011	41.62	42.09	41.62	41.93	45,044	+0.13(+0.31%)
May 13, 2011	41.79	41.81	41.65	41.80	9,510	+0.02(+0.04%)
May 12, 2011	41.68	41.78	41.65	41.78	9,508	+0.13(+0.31%)
May 11, 2011	41.60	41.84	41.59	41.65	16,857	-0.03(-0.08%)
May 10, 2011	41.51	41.77	41.51	41.68	22,477	+0.12(+0.30%)
May 09, 2011	41.78	41.78	41.56	41.56	16,978	-0.04(-0.09%)
May 06, 2011	41.73	41.73	41.50	41.60	17,055	+0.00(+0.00%)
May 05, 2011	41.52	41.80	41.38	41.60	21,604	+0.19(+0.46%)
May 04, 2011	41.32	41.47	41.24	41.41	83,288	+0.03(+0.08%)
May 03, 2011	41.43	41.43	41.13	41.37	21,030	+0.04(+0.11%)

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