Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.68	20.70	20.42	20.50	1,128,560	-0.15(-0.71%)
May 23, 2011	20.71	20.78	20.61	20.65	569,963	-0.41(-1.93%)
May 20, 2011	21.18	21.33	21.01	21.06	919,087	-0.30(-1.40%)
May 19, 2011	21.38	21.42	21.16	21.36	989,780	+0.05(+0.24%)
May 18, 2011	20.84	21.31	20.76	21.31	1,252,234	+0.41(+1.95%)
May 17, 2011	20.57	20.90	20.56	20.90	1,345,159	+0.24(+1.17%)
May 16, 2011	20.38	20.87	20.31	20.66	1,339,368	+0.11(+0.53%)
May 13, 2011	20.73	20.93	20.45	20.55	1,050,181	-0.25(-1.22%)
May 12, 2011	20.80	20.87	20.37	20.80	1,307,231	-0.10(-0.46%)
May 11, 2011	21.46	21.53	20.79	20.90	1,148,736	-0.59(-2.75%)
May 10, 2011	21.25	21.57	21.25	21.49	974,737	+0.26(+1.23%)
May 09, 2011	21.11	21.26	20.80	21.23	853,374	+0.18(+0.85%)
May 06, 2011	20.96	21.11	20.85	21.05	1,472,359	+0.32(+1.53%)
May 05, 2011	20.50	20.79	20.34	20.73	1,504,702	-0.01(-0.06%)
May 04, 2011	20.94	21.00	20.58	20.75	1,105,582	-0.22(-1.06%)
May 03, 2011	21.50	21.60	20.81	20.97	1,501,749	-0.57(-2.66%)
May 02, 2011	21.48	21.56	21.46	21.54	1,297,978	+0.15(+0.71%)
Apr 29, 2011	21.27	21.39	21.20	21.39	1,243,649	+0.05(+0.24%)
Apr 28, 2011	21.05	21.45	21.03	21.34	1,427,693	+0.23(+1.08%)
Apr 27, 2011	21.12	21.23	20.79	21.11	1,957,812	+0.01(+0.06%)
Apr 26, 2011	20.75	21.10	20.63	21.10	1,212,152	+0.39(+1.90%)
Apr 25, 2011	20.80	20.84	20.65	20.70	788,282	-0.11(-0.55%)
Apr 21, 2011	20.77	20.84	20.54	20.82	793,720	+0.21(+1.01%)
Apr 20, 2011	20.51	20.62	20.36	20.61	1,490,494	+0.32(+1.56%)
Apr 19, 2011	20.24	20.43	20.15	20.29	1,617,135	+0.11(+0.53%)
Apr 18, 2011	19.72	20.19	19.72	20.18	1,104,170	+0.19(+0.95%)
Apr 15, 2011	20.01	20.11	19.85	19.99	1,077,586	-0.08(-0.38%)
Apr 14, 2011	19.76	20.13	19.74	20.07	1,067,497	+0.18(+0.89%)
Apr 13, 2011	20.09	20.22	19.88	19.89	1,032,480	-0.15(-0.73%)
Apr 12, 2011	20.20	20.25	19.90	20.04	1,133,558	-0.28(-1.37%)
Apr 11, 2011	20.59	20.59	20.24	20.32	1,041,532	-0.22(-1.08%)
Apr 08, 2011	20.45	20.75	20.34	20.54	1,386,866	+0.25(+1.25%)
Apr 07, 2011	20.77	20.82	20.28	20.28	1,324,783	-0.56(-2.68%)
Apr 06, 2011	20.84	20.91	20.59	20.84	1,185,353	+0.14(+0.67%)
Apr 05, 2011	20.80	20.82	20.62	20.70	927,256	-0.13(-0.61%)
Apr 04, 2011	20.56	20.89	20.56	20.83	1,068,665	+0.18(+0.89%)
Apr 01, 2011	20.66	20.85	20.53	20.65	956,299	+0.08(+0.37%)
Mar 31, 2011	20.47	20.65	20.35	20.57	1,340,221	+0.11(+0.56%)
Mar 30, 2011	20.28	20.61	20.28	20.46	1,166,778	+0.34(+1.70%)
Mar 29, 2011	19.92	20.23	19.86	20.11	1,570,999	+0.24(+1.21%)
Mar 28, 2011	19.99	20.30	19.87	19.87	937,989	-0.08(-0.38%)
Mar 25, 2011	20.01	20.27	19.92	19.95	1,041,975	-0.01(-0.06%)
Mar 24, 2011	20.06	20.08	19.83	19.96	1,062,217	+0.03(+0.16%)
Mar 23, 2011	20.08	20.16	19.82	19.93	2,023,784	-0.11(-0.57%)
Mar 22, 2011	20.25	20.32	20.01	20.04	1,057,838	-0.11(-0.53%)
Mar 21, 2011	20.02	20.16	20.01	20.15	1,239,943	+0.20(+0.98%)
Mar 18, 2011	19.78	19.99	19.71	19.95	1,349,201	+0.39(+2.01%)
Mar 17, 2011	19.52	19.59	19.37	19.56	967,991	+0.27(+1.38%)
Mar 16, 2011	19.30	19.53	19.04	19.30	2,237,493	-0.21(-1.07%)
Mar 15, 2011	19.40	19.63	19.36	19.50	1,712,054	-0.42(-2.13%)
Mar 14, 2011	19.85	19.95	19.62	19.93	1,448,810	-0.09(-0.44%)
Mar 11, 2011	19.63	20.13	19.63	20.02	973,976	+0.20(+1.02%)
Mar 10, 2011	20.13	20.20	19.75	19.82	1,121,017	-0.45(-2.22%)
Mar 09, 2011	20.21	20.46	20.07	20.27	1,214,679	-0.04(-0.22%)
Mar 08, 2011	19.99	20.37	19.88	20.31	1,474,297	+0.35(+1.78%)
Mar 07, 2011	20.11	20.17	19.85	19.95	1,578,931	-0.06(-0.32%)
Mar 04, 2011	20.38	20.42	19.86	20.02	2,054,018	-0.29(-1.40%)
Mar 03, 2011	20.66	20.72	20.25	20.30	2,272,209	-0.30(-1.48%)
Mar 02, 2011	20.72	20.90	20.48	20.61	1,940,752	-0.14(-0.67%)

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