Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.39	20.40	20.28	20.28	6,079,281	-0.07(-0.34%)
May 23, 2011	20.36	20.40	20.34	20.35	5,610,507	-0.08(-0.37%)
May 20, 2011	20.42	20.44	20.40	20.43	2,186,340	+0.00(+0.02%)
May 19, 2011	20.44	20.45	20.41	20.42	2,236,663	-0.02(-0.10%)
May 18, 2011	20.42	20.44	20.39	20.44	3,640,239	+0.04(+0.17%)
May 17, 2011	20.36	20.41	20.33	20.41	3,837,322	+0.04(+0.20%)
May 16, 2011	20.38	20.40	20.34	20.37	3,397,318	+0.03(+0.15%)
May 13, 2011	20.41	20.42	20.33	20.34	4,535,736	-0.06(-0.27%)
May 12, 2011	20.38	20.40	20.32	20.39	3,389,245	+0.02(+0.07%)
May 11, 2011	20.44	20.44	20.36	20.38	3,483,281	-0.04(-0.17%)
May 10, 2011	20.40	20.43	20.37	20.41	3,062,723	+0.04(+0.17%)
May 09, 2011	20.38	20.39	20.35	20.38	3,582,766	-0.00(-0.02%)
May 06, 2011	20.31	20.38	20.31	20.38	6,204,502	+0.12(+0.57%)
May 05, 2011	20.33	20.34	20.24	20.27	6,315,068	-0.07(-0.34%)
May 04, 2011	20.36	20.36	20.31	20.34	3,945,683	-0.02(-0.07%)
May 03, 2011	20.35	20.37	20.30	20.35	3,863,058	+0.01(+0.05%)
May 02, 2011	20.36	20.37	20.34	20.34	3,431,224	+0.25(+1.27%)
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%)
Apr 01, 2011	19.80	19.82	19.74	19.75	15,992,381	+0.23(+1.15%)
Mar 31, 2011	19.54	19.55	19.51	19.52	4,322,207	-0.00(-0.02%)
Mar 30, 2011	19.51	19.54	19.49	19.53	5,778,752	+0.05(+0.25%)
Mar 29, 2011	19.46	19.51	19.45	19.48	6,255,540	+0.01(+0.05%)
Mar 28, 2011	19.50	19.50	19.45	19.47	4,973,616	+0.00(+0.00%)
Mar 25, 2011	19.51	19.51	19.47	19.47	3,870,015	-0.01(-0.05%)
Mar 24, 2011	19.50	19.51	19.45	19.48	5,604,679	+0.01(+0.07%)
Mar 23, 2011	19.47	19.49	19.44	19.47	4,184,684	-0.03(-0.17%)
Mar 22, 2011	19.48	19.50	19.44	19.50	14,050,464	+0.00(+0.02%)
Mar 21, 2011	19.49	19.51	19.46	19.50	5,268,432	+0.11(+0.55%)
Mar 18, 2011	19.38	19.44	19.36	19.39	5,789,132	+0.10(+0.52%)
Mar 17, 2011	19.22	19.32	19.19	19.29	5,769,942	+0.21(+1.09%)
Mar 16, 2011	19.25	19.28	19.08	19.08	15,660,056	-0.13(-0.70%)
Mar 15, 2011	19.26	19.35	19.22	19.22	11,419,884	-0.13(-0.67%)
Mar 14, 2011	19.37	19.42	19.34	19.35	11,162,938	-0.07(-0.35%)
Mar 11, 2011	19.40	19.42	19.37	19.41	5,435,056	+0.02(+0.13%)
Mar 10, 2011	19.47	19.48	19.38	19.39	6,680,354	-0.08(-0.40%)
Mar 09, 2011	19.54	19.54	19.47	19.47	7,018,684	-0.07(-0.34%)
Mar 08, 2011	19.55	19.56	19.51	19.53	3,266,730	-0.02(-0.10%)
Mar 07, 2011	19.52	19.55	19.51	19.55	4,422,768	+0.04(+0.20%)
Mar 04, 2011	19.58	19.58	19.51	19.51	5,517,683	-0.07(-0.34%)
Mar 03, 2011	19.53	19.58	19.51	19.58	5,610,710	+0.10(+0.49%)
Mar 02, 2011	19.49	19.52	19.45	19.49	3,409,469	+0.05(+0.25%)

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