Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	22.81	22.84	22.68	22.77	3,573,189	+0.24(+1.06%)
May 23, 2011	22.57	22.63	22.42	22.54	5,710,619	-0.45(-1.94%)
May 20, 2011	23.09	23.12	22.91	22.98	2,963,305	-0.20(-0.85%)
May 19, 2011	23.02	23.18	22.98	23.18	5,074,493	+0.28(+1.23%)
May 18, 2011	22.72	22.97	22.68	22.90	6,974,998	+0.01(+0.05%)
May 17, 2011	22.81	22.91	22.70	22.89	6,489,624	-0.32(-1.37%)
May 16, 2011	23.17	23.37	23.12	23.20	7,157,080	-0.03(-0.14%)
May 13, 2011	23.41	23.43	23.10	23.24	7,141,817	+0.06(+0.27%)
May 12, 2011	22.96	23.21	22.87	23.17	3,682,839	+0.26(+1.14%)
May 11, 2011	22.90	23.00	22.70	22.91	4,540,634	+0.15(+0.65%)
May 10, 2011	22.68	22.83	22.64	22.76	2,430,389	+0.04(+0.16%)
May 09, 2011	22.74	22.79	22.60	22.73	5,576,820	-0.11(-0.49%)
May 06, 2011	22.93	23.04	22.73	22.84	3,407,360	+0.06(+0.28%)
May 05, 2011	22.80	22.94	22.70	22.77	3,643,572	-0.20(-0.86%)
May 04, 2011	23.18	23.24	22.91	22.97	4,544,088	+0.11(+0.48%)
May 03, 2011	22.76	22.95	22.73	22.86	4,751,702	-0.03(-0.14%)
May 02, 2011	22.90	22.94	22.89	22.89	4,031,825	-0.02(-0.09%)
Apr 29, 2011	22.77	22.93	22.71	22.91	3,911,878	+0.06(+0.25%)
Apr 28, 2011	22.86	22.93	22.74	22.86	16,275,870	+0.23(+1.02%)
Apr 27, 2011	22.17	22.67	22.10	22.62	15,093,095	+0.73(+3.33%)
Apr 26, 2011	21.55	21.93	21.50	21.90	4,299,467	+0.23(+1.04%)
Apr 25, 2011	21.63	21.71	21.60	21.67	1,947,643	-0.05(-0.22%)
Apr 21, 2011	21.84	21.84	21.61	21.72	2,378,900	-0.03(-0.14%)
Apr 20, 2011	21.73	21.80	21.66	21.75	4,243,725	+0.40(+1.89%)
Apr 19, 2011	21.31	21.37	21.22	21.34	3,460,111	+0.10(+0.47%)
Apr 18, 2011	21.31	21.34	21.11	21.24	3,060,126	-0.34(-1.58%)
Apr 15, 2011	21.61	21.67	21.53	21.59	3,942,332	+0.20(+0.93%)
Apr 14, 2011	21.35	21.49	21.32	21.39	4,870,826	+0.13(+0.62%)
Apr 13, 2011	21.34	21.39	21.21	21.26	4,208,669	+0.14(+0.65%)
Apr 12, 2011	21.13	21.20	21.05	21.12	4,594,598	+0.12(+0.55%)
Apr 11, 2011	21.10	21.19	20.96	21.00	3,481,800	+0.05(+0.25%)
Apr 08, 2011	21.09	21.11	20.87	20.95	4,304,533	-0.02(-0.10%)
Apr 07, 2011	20.96	21.01	20.87	20.97	4,282,405	+0.13(+0.60%)
Apr 06, 2011	20.76	20.89	20.74	20.85	3,799,833	+0.05(+0.25%)
Apr 05, 2011	20.81	20.88	20.69	20.79	4,930,288	+0.17(+0.81%)
Apr 04, 2011	20.76	20.76	20.57	20.63	4,907,738	+0.27(+1.34%)
Apr 01, 2011	20.20	20.37	20.17	20.35	2,942,182	+0.19(+0.96%)
Mar 31, 2011	20.28	20.33	20.07	20.16	5,305,785	-0.04(-0.18%)
Mar 30, 2011	20.20	20.20	20.20	20.20	3,793,675	+0.18(+0.89%)
Mar 29, 2011	19.84	20.02	19.78	20.02	3,920,010	+0.17(+0.87%)
Mar 28, 2011	19.98	20.02	19.80	19.84	3,567,173	+0.05(+0.24%)
Mar 25, 2011	19.85	19.96	19.78	19.80	4,117,586	+0.05(+0.24%)
Mar 24, 2011	19.66	19.83	19.63	19.75	4,158,796	+0.01(+0.03%)
Mar 23, 2011	19.72	19.80	19.69	19.74	4,377,145	-0.19(-0.95%)
Mar 22, 2011	19.98	20.00	19.86	19.93	2,833,115	+0.09(+0.45%)
Mar 21, 2011	19.81	19.86	19.78	19.84	2,895,379	+0.25(+1.26%)
Mar 18, 2011	19.61	19.64	19.51	19.60	4,530,178	+0.00(+0.00%)
Mar 17, 2011	19.46	19.72	19.43	19.60	5,031,350	+0.39(+2.02%)
Mar 16, 2011	19.51	19.58	19.10	19.21	8,371,835	-0.53(-2.69%)
Mar 15, 2011	19.65	19.80	19.65	19.74	4,723,064	-0.51(-2.51%)
Mar 14, 2011	20.26	20.35	20.11	20.25	4,505,047	-0.08(-0.41%)
Mar 11, 2011	20.17	20.37	20.12	20.33	4,214,124	+0.18(+0.89%)
Mar 10, 2011	20.30	20.32	20.08	20.15	5,946,374	-0.09(-0.47%)
Mar 09, 2011	20.26	20.32	20.17	20.25	4,588,230	+0.22(+1.10%)
Mar 08, 2011	19.97	20.13	19.94	20.03	3,063,030	-0.04(-0.18%)
Mar 07, 2011	20.31	20.33	19.99	20.06	2,546,390	-0.13(-0.65%)
Mar 04, 2011	20.30	20.32	20.03	20.20	3,604,367	+0.04(+0.21%)
Mar 03, 2011	20.04	20.20	19.96	20.15	3,106,752	+0.18(+0.89%)
Mar 02, 2011	20.01	20.11	19.89	19.97	2,373,658	-0.05(-0.26%)

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