Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	23.53	23.74	23.50	23.69	636,572	+0.12(+0.52%)
Apr 27, 2012	23.47	23.61	23.34	23.57	459,792	+0.09(+0.37%)
Apr 26, 2012	23.42	23.53	23.34	23.48	420,135	+0.05(+0.22%)
Apr 25, 2012	23.38	23.50	23.31	23.43	621,018	+0.17(+0.72%)
Apr 24, 2012	23.04	23.27	23.00	23.26	858,615	+0.20(+0.85%)
Apr 23, 2012	23.16	23.16	22.95	23.07	766,458	-0.20(-0.87%)
Apr 20, 2012	23.02	23.36	23.02	23.27	835,369	+0.35(+1.52%)
Apr 19, 2012	22.85	22.94	22.61	22.92	919,693	+0.08(+0.35%)
Apr 18, 2012	23.03	23.06	22.77	22.84	468,955	-0.20(-0.85%)
Apr 17, 2012	22.91	23.18	22.77	23.04	752,303	+0.17(+0.73%)
Apr 16, 2012	22.51	22.95	22.47	22.87	751,017	+0.36(+1.62%)
Apr 13, 2012	22.55	22.81	22.47	22.51	395,492	-0.12(-0.55%)
Apr 12, 2012	22.44	22.67	22.41	22.63	476,134	+0.15(+0.68%)
Apr 11, 2012	22.72	22.72	22.44	22.48	391,132	-0.07(-0.32%)
Apr 10, 2012	22.67	22.67	22.40	22.55	730,390	-0.12(-0.51%)
Apr 09, 2012	22.69	22.73	22.51	22.67	796,529	-0.20(-0.86%)
Apr 05, 2012	23.05	23.10	22.74	22.86	428,802	-0.20(-0.88%)
Apr 04, 2012	22.96	23.09	22.84	23.07	719,901	-0.06(-0.25%)
Apr 03, 2012	22.87	23.14	22.87	23.13	916,937	+0.21(+0.92%)
Apr 02, 2012	22.86	23.24	22.75	22.92	905,456	+0.04(+0.16%)
Mar 30, 2012	22.76	22.98	22.65	22.88	840,112	+0.20(+0.87%)
Mar 29, 2012	22.35	22.70	22.20	22.68	868,766	+0.23(+1.00%)
Mar 28, 2012	22.60	22.69	22.36	22.46	482,887	-0.17(-0.74%)
Mar 27, 2012	22.47	22.70	22.45	22.62	569,165	+0.09(+0.39%)
Mar 26, 2012	22.54	22.68	22.46	22.54	668,946	+0.14(+0.62%)
Mar 23, 2012	22.23	22.40	22.14	22.40	494,316	+0.14(+0.62%)
Mar 22, 2012	22.17	22.27	22.10	22.26	534,743	+0.01(+0.03%)
Mar 21, 2012	22.32	22.35	22.12	22.25	418,566	-0.02(-0.10%)
Mar 20, 2012	22.36	22.47	22.22	22.28	523,171	-0.11(-0.49%)
Mar 19, 2012	22.33	22.57	22.24	22.38	419,810	+0.05(+0.23%)
Mar 16, 2012	22.41	22.47	22.30	22.33	839,261	-0.08(-0.36%)
Mar 15, 2012	22.65	22.66	22.35	22.41	489,880	-0.21(-0.93%)
Mar 14, 2012	22.90	22.93	22.58	22.62	447,888	-0.25(-1.11%)
Mar 13, 2012	22.81	22.88	22.65	22.88	406,189	+0.19(+0.83%)
Mar 12, 2012	22.67	22.80	22.62	22.69	625,651	+0.08(+0.35%)
Mar 09, 2012	22.54	22.75	22.46	22.61	373,245	+0.12(+0.55%)
Mar 08, 2012	22.41	22.59	22.23	22.49	498,064	+0.13(+0.59%)
Mar 07, 2012	22.41	22.47	22.20	22.36	430,123	-0.01(-0.03%)
Mar 06, 2012	22.54	22.60	22.29	22.36	418,794	-0.35(-1.54%)
Mar 05, 2012	22.46	22.71	22.33	22.71	515,863	+0.20(+0.90%)
Mar 02, 2012	22.50	22.58	22.37	22.51	654,877	-0.07(-0.29%)
Mar 01, 2012	22.40	22.61	22.33	22.57	1,101,094	+0.23(+1.01%)
Feb 29, 2012	22.37	22.71	22.31	22.35	1,348,263	-0.12(-0.52%)
Feb 28, 2012	22.78	22.88	22.34	22.46	804,208	-0.36(-1.56%)
Feb 27, 2012	22.96	23.02	22.70	22.82	865,545	-0.22(-0.95%)
Feb 24, 2012	23.28	23.28	23.04	23.04	648,091	-0.27(-1.15%)
Feb 23, 2012	23.14	23.35	23.04	23.31	549,031	+0.29(+1.28%)
Feb 22, 2012	23.11	23.19	22.86	23.01	946,653	-0.07(-0.31%)
Feb 21, 2012	22.94	23.14	22.81	23.09	571,404	+0.21(+0.91%)
Feb 17, 2012	22.80	23.08	22.66	22.88	401,466	+0.12(+0.51%)
Feb 16, 2012	22.60	23.01	22.60	22.76	621,235	+0.14(+0.60%)
Feb 15, 2012	22.68	22.83	22.50	22.62	388,685	-0.06(-0.29%)
Feb 14, 2012	22.86	22.93	22.61	22.69	330,319	-0.15(-0.66%)
Feb 13, 2012	22.92	23.13	22.67	22.84	458,653	+0.14(+0.60%)
Feb 10, 2012	23.02	23.06	22.67	22.70	445,246	-0.42(-1.83%)
Feb 09, 2012	23.41	23.50	23.02	23.13	595,524	-0.17(-0.71%)
Feb 08, 2012	23.57	23.57	23.02	23.29	782,000	-0.35(-1.49%)
Feb 07, 2012	23.38	23.78	23.34	23.65	345,745	+0.19(+0.83%)
Feb 06, 2012	23.52	23.60	23.31	23.45	339,092	-0.14(-0.61%)
Feb 03, 2012	23.67	23.75	23.50	23.60	445,779	+0.13(+0.55%)
Feb 02, 2012	23.46	23.65	23.34	23.47	369,324	+0.00(+0.00%)

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