Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.71	20.75	20.60	20.64	1,599,118	-0.02(-0.09%)
May 23, 2011	20.70	20.78	20.57	20.66	2,955,092	-0.29(-1.41%)
May 20, 2011	21.16	21.16	20.83	20.96	2,264,957	-0.34(-1.60%)
May 19, 2011	21.13	21.31	21.03	21.30	2,198,846	+0.20(+0.93%)
May 18, 2011	20.97	21.14	20.93	21.10	1,361,968	+0.06(+0.28%)
May 17, 2011	20.89	21.10	20.87	21.04	1,627,897	+0.06(+0.28%)
May 16, 2011	20.91	21.10	20.89	20.99	4,338,257	-0.12(-0.56%)
May 13, 2011	21.33	21.36	20.95	21.10	1,600,396	-0.28(-1.32%)
May 12, 2011	21.15	21.43	21.10	21.38	1,358,658	+0.20(+0.96%)
May 11, 2011	21.31	21.37	21.12	21.18	1,721,645	-0.19(-0.89%)
May 10, 2011	21.17	21.40	21.13	21.37	1,918,009	+0.41(+1.95%)
May 09, 2011	20.89	21.00	20.81	20.96	2,424,122	+0.05(+0.25%)
May 06, 2011	21.13	21.22	20.81	20.91	2,626,359	+0.16(+0.75%)
May 05, 2011	20.85	20.93	20.69	20.76	5,568,516	-0.40(-1.90%)
May 04, 2011	21.30	21.30	21.09	21.16	3,937,205	-0.10(-0.49%)
May 03, 2011	21.22	21.33	21.08	21.26	4,597,071	+0.05(+0.21%)
May 02, 2011	21.22	21.23	21.20	21.22	1,652,422	+0.10(+0.46%)
Apr 29, 2011	21.07	21.15	21.02	21.12	1,888,001	+0.03(+0.12%)
Apr 28, 2011	20.83	21.12	20.83	21.09	10,246,332	-0.21(-1.00%)
Apr 27, 2011	21.33	21.41	21.25	21.31	2,539,005	+0.09(+0.43%)
Apr 26, 2011	21.16	21.24	21.13	21.22	1,238,087	+0.21(+0.99%)
Apr 25, 2011	21.00	21.05	20.95	21.01	767,903	-0.07(-0.34%)
Apr 21, 2011	21.13	21.15	21.00	21.08	2,150,499	+0.21(+1.03%)
Apr 20, 2011	20.96	21.01	20.78	20.87	2,302,635	+0.15(+0.72%)
Apr 19, 2011	20.63	20.74	20.59	20.72	2,095,447	+0.36(+1.75%)
Apr 18, 2011	20.28	20.39	20.08	20.36	2,970,132	-0.48(-2.30%)
Apr 15, 2011	20.74	20.86	20.67	20.84	3,685,368	+0.23(+1.13%)
Apr 14, 2011	20.63	20.68	20.55	20.61	3,456,292	+0.29(+1.44%)
Apr 13, 2011	20.46	20.46	20.26	20.32	2,023,127	+0.14(+0.67%)
Apr 12, 2011	20.33	20.35	20.14	20.18	2,066,137	-0.13(-0.64%)
Apr 11, 2011	20.28	20.34	20.22	20.31	1,739,822	+0.14(+0.71%)
Apr 08, 2011	20.32	20.33	20.12	20.17	1,165,586	+0.06(+0.29%)
Apr 07, 2011	20.08	20.17	20.01	20.11	1,045,855	-0.01(-0.03%)
Apr 06, 2011	19.99	20.19	19.98	20.11	1,454,256	+0.15(+0.75%)
Apr 05, 2011	19.67	20.00	19.66	19.97	2,170,313	+0.13(+0.65%)
Apr 04, 2011	19.86	19.89	19.80	19.84	1,164,124	-0.05(-0.23%)
Apr 01, 2011	19.76	19.89	19.65	19.88	1,406,430	+0.03(+0.13%)
Mar 31, 2011	19.85	19.97	19.79	19.86	1,804,186	+0.07(+0.36%)
Mar 30, 2011	19.72	19.82	19.69	19.78	869,320	+0.08(+0.40%)
Mar 29, 2011	19.45	19.73	19.43	19.71	2,084,393	+0.06(+0.30%)
Mar 28, 2011	19.65	19.71	19.62	19.65	1,869,686	+0.08(+0.43%)
Mar 25, 2011	19.65	19.74	19.55	19.56	1,061,835	+0.03(+0.17%)
Mar 24, 2011	19.39	19.59	19.36	19.53	1,499,084	+0.21(+1.11%)
Mar 23, 2011	19.21	19.36	19.08	19.32	1,920,550	+0.16(+0.85%)
Mar 22, 2011	19.25	19.26	19.12	19.15	1,660,847	-0.27(-1.37%)
Mar 21, 2011	19.40	19.47	19.38	19.42	1,341,953	+0.31(+1.63%)
Mar 18, 2011	19.24	19.26	19.04	19.11	2,189,132	+0.34(+1.83%)
Mar 17, 2011	18.86	18.89	18.72	18.77	1,686,199	+0.18(+0.97%)
Mar 16, 2011	18.91	18.97	18.45	18.59	3,530,878	-0.28(-1.47%)
Mar 15, 2011	18.77	18.91	18.76	18.86	2,322,309	-0.38(-1.95%)
Mar 14, 2011	19.17	19.26	19.12	19.24	1,750,683	-0.10(-0.50%)
Mar 11, 2011	19.08	19.37	19.07	19.34	1,987,288	+0.11(+0.57%)
Mar 10, 2011	19.21	19.29	19.12	19.23	1,910,128	-0.21(-1.07%)
Mar 09, 2011	19.33	19.45	19.30	19.43	3,638,103	+0.18(+0.94%)
Mar 08, 2011	19.15	19.33	19.08	19.25	1,697,006	-0.02(-0.10%)
Mar 07, 2011	19.42	19.45	19.24	19.27	2,423,801	-0.08(-0.40%)
Mar 04, 2011	19.38	19.38	19.22	19.35	3,283,452	+0.05(+0.24%)
Mar 03, 2011	19.34	19.40	19.27	19.30	4,450,491	+0.10(+0.51%)
Mar 02, 2011	19.20	19.32	19.19	19.21	2,152,635	+0.03(+0.14%)

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