Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	18.79	18.89	18.68	18.68	544,821	-0.04(-0.23%)
Apr 28, 2011	18.72	18.81	18.54	18.72	809,033	+0.01(+0.04%)
Apr 27, 2011	18.76	18.83	18.56	18.71	864,505	+0.02(+0.11%)
Apr 26, 2011	18.77	18.87	18.65	18.69	590,701	-0.04(-0.23%)
Apr 25, 2011	18.83	19.03	18.62	18.74	653,693	-0.16(-0.83%)
Apr 21, 2011	19.18	19.25	18.86	18.89	1,079,923	+0.35(+1.89%)
Apr 20, 2011	18.63	18.71	18.24	18.54	962,905	+0.14(+0.78%)
Apr 19, 2011	18.69	18.69	18.39	18.40	734,210	-0.14(-0.73%)
Apr 18, 2011	18.79	18.84	18.35	18.54	782,840	-0.41(-2.15%)
Apr 15, 2011	18.71	19.04	18.68	18.94	1,563,179	+0.18(+0.95%)
Apr 14, 2011	18.04	18.84	17.90	18.76	1,201,620	+0.69(+3.79%)
Apr 13, 2011	18.31	18.31	17.99	18.08	613,650	-0.10(-0.55%)
Apr 12, 2011	18.26	18.38	18.12	18.18	520,136	-0.13(-0.70%)
Apr 11, 2011	18.29	18.41	18.20	18.31	649,332	-0.03(-0.16%)
Apr 08, 2011	18.88	18.93	18.25	18.34	747,972	-0.37(-1.98%)
Apr 07, 2011	18.96	18.97	18.65	18.71	1,040,353	-0.16(-0.87%)
Apr 06, 2011	19.35	19.35	18.83	18.87	1,471,940	-0.28(-1.45%)
Apr 05, 2011	19.15	19.30	19.06	19.15	596,688	-0.03(-0.15%)
Apr 04, 2011	19.19	19.27	19.01	19.18	616,335	+0.11(+0.56%)
Apr 01, 2011	19.02	19.20	18.92	19.07	1,192,010	+0.21(+1.12%)
Mar 31, 2011	18.52	18.95	18.48	18.86	929,594	+0.33(+1.78%)
Mar 30, 2011	18.13	18.78	17.98	18.53	1,956,293	+0.56(+3.13%)
Mar 29, 2011	17.91	18.08	17.82	17.96	1,153,040	-0.04(-0.24%)
Mar 28, 2011	18.37	18.39	17.94	18.01	1,038,555	-0.38(-2.09%)
Mar 25, 2011	18.35	18.43	18.09	18.39	1,143,200	+0.14(+0.74%)
Mar 24, 2011	18.16	18.31	18.13	18.26	1,282,569	+0.13(+0.71%)
Mar 23, 2011	18.16	18.16	17.94	18.13	1,154,128	-0.03(-0.16%)
Mar 22, 2011	18.21	18.26	18.03	18.16	694,424	+0.01(+0.08%)
Mar 21, 2011	18.12	18.21	18.01	18.14	1,361,298	+0.30(+1.68%)
Mar 18, 2011	18.12	18.15	17.77	17.84	979,020	-0.11(-0.59%)
Mar 17, 2011	18.45	18.63	17.91	17.95	1,138,982	-0.26(-1.41%)
Mar 16, 2011	17.92	18.46	17.78	18.21	2,110,391	+0.28(+1.59%)
Mar 15, 2011	17.34	18.02	17.34	17.92	587,537	-0.01(-0.04%)
Mar 14, 2011	17.82	18.06	17.69	17.93	742,870	-0.02(-0.12%)
Mar 11, 2011	17.89	18.11	17.82	17.95	936,031	+0.06(+0.36%)
Mar 10, 2011	18.16	18.26	17.86	17.89	1,155,412	-0.38(-2.07%)
Mar 09, 2011	18.21	18.51	18.14	18.26	781,092	-0.01(-0.04%)
Mar 08, 2011	17.70	18.39	17.64	18.27	1,207,101	+0.63(+3.55%)
Mar 07, 2011	17.85	17.85	17.26	17.64	1,367,260	-0.06(-0.36%)
Mar 04, 2011	17.84	17.94	17.59	17.71	955,275	-0.11(-0.60%)
Mar 03, 2011	17.26	17.88	17.04	17.82	1,820,259	+0.78(+4.56%)
Mar 02, 2011	16.54	17.11	16.43	17.04	1,876,800	+0.51(+3.06%)
Mar 01, 2011	16.90	16.97	16.49	16.53	1,379,808	-0.24(-1.44%)
Feb 28, 2011	17.14	17.20	16.73	16.78	1,332,232	-0.25(-1.46%)
Feb 25, 2011	16.70	17.04	16.53	17.02	982,265	+0.36(+2.18%)
Feb 24, 2011	16.60	16.81	16.33	16.66	958,619	+0.11(+0.69%)
Feb 23, 2011	17.17	17.20	16.33	16.55	1,657,781	-0.58(-3.41%)
Feb 22, 2011	17.53	17.66	17.07	17.13	1,062,095	-0.53(-2.98%)
Feb 18, 2011	17.84	17.84	17.63	17.66	868,611	-0.14(-0.76%)
Feb 17, 2011	17.91	17.97	17.75	17.79	1,130,403	-0.11(-0.64%)
Feb 16, 2011	17.86	17.91	17.72	17.91	1,373,858	+0.08(+0.44%)
Feb 15, 2011	17.67	17.93	17.56	17.83	956,580	+0.12(+0.68%)
Feb 14, 2011	17.82	17.88	17.64	17.71	951,856	-0.10(-0.56%)
Feb 11, 2011	17.22	17.81	17.19	17.81	1,198,122	+0.43(+2.50%)
Feb 10, 2011	17.24	17.39	17.09	17.37	852,866	+0.01(+0.04%)
Feb 09, 2011	17.30	17.40	17.21	17.37	838,063	+0.08(+0.45%)
Feb 08, 2011	17.30	17.39	17.14	17.29	721,651	-0.05(-0.29%)
Feb 07, 2011	17.47	17.48	17.15	17.34	1,080,647	-0.13(-0.73%)
Feb 04, 2011	17.66	17.72	17.30	17.47	700,791	-0.14(-0.77%)
Feb 03, 2011	17.56	17.74	17.43	17.60	718,788	+0.08(+0.45%)
Feb 02, 2011	17.65	17.70	17.42	17.52	924,663	-0.19(-1.05%)

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