Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	20.56	20.63	20.48	20.62	566,601	+0.07(+0.33%)
Apr 28, 2011	20.38	20.59	20.34	20.55	937,004	+0.17(+0.86%)
Apr 27, 2011	20.18	20.42	20.15	20.37	1,376,457	+0.27(+1.32%)
Apr 26, 2011	19.99	20.14	19.95	20.11	1,092,584	+0.18(+0.91%)
Apr 25, 2011	19.91	20.03	19.88	19.93	811,881	+0.04(+0.19%)
Apr 21, 2011	19.82	19.90	19.77	19.89	719,495	+0.11(+0.54%)
Apr 20, 2011	19.50	19.91	19.50	19.78	1,496,768	+0.17(+0.85%)
Apr 19, 2011	19.63	19.70	19.53	19.62	1,175,112	+0.03(+0.15%)
Apr 18, 2011	19.64	19.73	19.43	19.59	1,495,150	-0.20(-1.00%)
Apr 15, 2011	19.63	19.89	19.58	19.78	1,116,242	+0.20(+1.01%)
Apr 14, 2011	19.43	19.59	19.38	19.59	1,061,760	+0.08(+0.43%)
Apr 13, 2011	19.68	19.70	19.50	19.50	704,956	-0.01(-0.04%)
Apr 12, 2011	19.56	19.74	19.48	19.51	921,125	-0.11(-0.58%)
Apr 11, 2011	20.00	20.00	19.62	19.62	1,036,654	-0.31(-1.56%)
Apr 08, 2011	20.09	20.12	19.86	19.93	1,132,596	-0.03(-0.15%)
Apr 07, 2011	20.27	20.27	19.94	19.97	2,132,500	-0.32(-1.57%)
Apr 06, 2011	20.15	20.34	20.08	20.28	1,444,782	+0.15(+0.75%)
Apr 05, 2011	20.17	20.17	20.02	20.13	1,369,517	-0.03(-0.15%)
Apr 04, 2011	20.34	20.34	20.13	20.16	1,438,209	-0.10(-0.49%)
Apr 01, 2011	20.12	20.28	20.07	20.26	994,613	+0.24(+1.21%)
Mar 31, 2011	20.06	20.12	19.93	20.02	1,220,349	-0.02(-0.11%)
Mar 30, 2011	19.85	20.08	19.85	20.04	1,048,042	+0.20(+0.99%)
Mar 29, 2011	19.68	19.87	19.56	19.84	684,529	+0.19(+0.96%)
Mar 28, 2011	19.78	19.88	19.65	19.65	821,556	-0.08(-0.38%)
Mar 25, 2011	19.75	19.81	19.68	19.73	868,889	+0.04(+0.19%)
Mar 24, 2011	19.66	19.78	19.47	19.69	928,865	+0.09(+0.46%)
Mar 23, 2011	19.70	19.70	19.52	19.60	888,817	-0.08(-0.42%)
Mar 22, 2011	19.75	19.79	19.60	19.68	907,883	-0.03(-0.15%)
Mar 21, 2011	19.70	19.75	19.65	19.72	1,092,374	+0.39(+2.04%)
Mar 18, 2011	19.35	19.51	19.24	19.32	1,151,592	+0.13(+0.67%)
Mar 17, 2011	19.56	19.57	19.04	19.19	2,666,834	-0.13(-0.67%)
Mar 16, 2011	19.47	19.53	19.28	19.32	2,607,883	-0.14(-0.70%)
Mar 15, 2011	19.42	19.56	19.40	19.46	1,604,063	-0.11(-0.54%)
Mar 14, 2011	19.54	19.62	19.41	19.56	1,383,970	-0.13(-0.65%)
Mar 11, 2011	19.67	19.82	19.62	19.69	958,348	+0.04(+0.19%)
Mar 10, 2011	20.05	20.05	19.65	19.65	2,082,254	-0.48(-2.41%)
Mar 09, 2011	19.93	20.15	19.90	20.14	1,247,146	+0.22(+1.10%)
Mar 08, 2011	19.59	19.97	19.57	19.92	1,387,433	+0.36(+1.82%)
Mar 07, 2011	19.43	19.62	19.35	19.56	1,997,815	+0.25(+1.29%)
Mar 04, 2011	19.46	19.46	19.23	19.31	1,833,544	-0.10(-0.54%)
Mar 03, 2011	19.31	19.46	19.23	19.42	1,325,966	+0.19(+1.01%)
Mar 02, 2011	19.17	19.25	19.04	19.22	1,494,093	+0.01(+0.04%)
Mar 01, 2011	19.46	19.48	19.19	19.22	1,868,875	-0.24(-1.23%)
Feb 28, 2011	19.40	19.53	19.37	19.46	3,365,198	+0.08(+0.42%)
Feb 25, 2011	19.45	19.49	18.95	19.37	3,509,978	-0.07(-0.35%)
Feb 24, 2011	19.49	19.64	19.40	19.44	2,055,822	-0.04(-0.19%)
Feb 23, 2011	19.70	19.71	19.47	19.48	1,165,927	-0.19(-0.99%)
Feb 22, 2011	19.52	19.71	19.51	19.67	985,037	+0.01(+0.08%)
Feb 18, 2011	19.67	19.72	19.61	19.66	838,418	+0.00(+0.00%)
Feb 17, 2011	19.52	19.71	19.52	19.66	930,691	+0.16(+0.81%)
Feb 16, 2011	19.44	19.57	19.40	19.50	1,384,365	+0.11(+0.58%)
Feb 15, 2011	19.29	19.39	19.24	19.39	2,471,043	+0.09(+0.47%)
Feb 14, 2011	19.46	19.46	19.21	19.30	1,005,358	-0.13(-0.69%)
Feb 11, 2011	19.38	19.56	19.37	19.43	1,047,795	-0.01(-0.04%)
Feb 10, 2011	19.37	19.45	19.32	19.44	641,322	+0.07(+0.35%)
Feb 09, 2011	19.37	19.44	19.31	19.37	766,666	-0.04(-0.19%)
Feb 08, 2011	19.36	19.43	19.31	19.41	614,809	+0.06(+0.31%)
Feb 07, 2011	19.28	19.37	19.28	19.35	691,966	+0.10(+0.50%)
Feb 04, 2011	19.42	19.43	19.22	19.25	824,398	-0.15(-0.77%)
Feb 03, 2011	19.40	19.41	19.25	19.40	762,689	+0.01(+0.08%)
Feb 02, 2011	19.46	19.58	19.38	19.39	702,099	-0.13(-0.65%)

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