Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	20.08	20.10	20.07	20.09	2,849,480	+0.04(+0.22%)
Apr 28, 2011	20.01	20.06	20.01	20.04	5,692,834	+0.04(+0.20%)
Apr 27, 2011	20.03	20.03	20.00	20.01	3,666,160	-0.01(-0.05%)
Apr 26, 2011	20.00	20.02	19.99	20.02	3,156,133	+0.04(+0.20%)
Apr 25, 2011	19.99	20.01	19.97	19.98	3,952,362	-0.02(-0.10%)
Apr 21, 2011	19.96	20.00	19.93	20.00	3,993,867	+0.07(+0.35%)
Apr 20, 2011	19.91	19.96	19.89	19.93	4,467,655	+0.05(+0.27%)
Apr 19, 2011	19.85	19.88	19.84	19.87	5,431,328	+0.08(+0.42%)
Apr 18, 2011	19.86	19.86	19.79	19.79	9,631,197	-0.10(-0.49%)
Apr 15, 2011	19.89	19.90	19.86	19.89	3,133,367	+0.04(+0.20%)
Apr 14, 2011	19.91	19.91	19.84	19.85	4,584,086	-0.07(-0.37%)
Apr 13, 2011	19.88	19.92	19.86	19.92	5,585,935	+0.11(+0.55%)
Apr 12, 2011	19.84	19.87	19.81	19.81	7,085,670	-0.06(-0.30%)
Apr 11, 2011	19.94	19.94	19.87	19.87	4,343,168	-0.02(-0.12%)
Apr 08, 2011	19.94	19.94	19.89	19.90	4,238,188	-0.02(-0.12%)
Apr 07, 2011	19.89	19.93	19.89	19.92	5,042,238	+0.03(+0.15%)
Apr 06, 2011	19.89	19.90	19.87	19.89	2,987,576	+0.05(+0.25%)
Apr 05, 2011	19.87	19.91	19.84	19.84	7,174,880	-0.05(-0.27%)
Apr 04, 2011	19.75	19.90	19.75	19.90	15,230,432	+0.15(+0.75%)

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