Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	60.28	60.46	60.19	60.41	897,917	+0.17(+0.29%)
Apr 28, 2011	59.96	60.33	59.96	60.23	2,035,952	+0.19(+0.32%)
Apr 27, 2011	59.80	60.14	59.54	60.04	1,093,428	+0.37(+0.61%)
Apr 26, 2011	59.36	59.80	59.30	59.68	989,970	+0.52(+0.87%)
Apr 25, 2011	59.26	59.26	58.98	59.16	1,551,817	-0.06(-0.11%)
Apr 21, 2011	59.21	59.24	58.99	59.23	850,312	+0.30(+0.51%)
Apr 20, 2011	58.76	59.03	58.76	58.92	1,159,655	+0.85(+1.46%)
Apr 19, 2011	57.83	58.11	57.72	58.07	613,531	+0.30(+0.52%)
Apr 18, 2011	57.77	57.87	57.30	57.77	1,007,174	-0.68(-1.16%)
Apr 15, 2011	58.30	58.57	58.14	58.45	542,674	+0.25(+0.42%)
Apr 14, 2011	57.85	58.27	57.64	58.20	966,361	+0.03(+0.05%)
Apr 13, 2011	58.41	58.47	57.95	58.17	1,080,461	+0.02(+0.04%)
Apr 12, 2011	58.30	58.37	57.93	58.14	1,349,927	-0.45(-0.77%)
Apr 11, 2011	58.84	59.03	58.44	58.60	726,416	-0.18(-0.31%)
Apr 08, 2011	59.26	59.29	58.54	58.78	758,553	-0.24(-0.40%)
Apr 07, 2011	59.07	59.27	58.73	59.02	401,268	-0.13(-0.21%)
Apr 06, 2011	59.27	59.35	58.94	59.15	403,378	+0.14(+0.24%)
Apr 05, 2011	58.87	59.26	58.87	59.00	603,835	+0.02(+0.04%)
Apr 04, 2011	59.06	59.18	58.84	58.98	791,918	+0.05(+0.08%)
Apr 01, 2011	59.04	59.19	58.80	58.93	1,475,234	+0.25(+0.43%)
Mar 31, 2011	58.66	58.81	58.60	58.68	1,187,776	-0.03(-0.05%)
Mar 30, 2011	58.71	58.71	58.71	58.71	486,872	+0.42(+0.72%)
Mar 29, 2011	57.87	58.30	57.67	58.29	1,428,148	+0.38(+0.66%)
Mar 28, 2011	58.20	58.33	57.88	57.91	786,475	-0.14(-0.25%)
Mar 25, 2011	58.02	58.30	57.88	58.05	539,451	+0.21(+0.37%)
Mar 24, 2011	57.63	57.92	57.28	57.84	949,489	+0.56(+0.97%)
Mar 23, 2011	57.01	57.44	56.72	57.28	967,660	+0.15(+0.26%)
Mar 22, 2011	57.33	57.41	57.10	57.13	1,008,611	-0.20(-0.35%)
Mar 21, 2011	57.34	57.43	57.22	57.33	755,013	+0.87(+1.54%)
Mar 18, 2011	56.91	56.95	56.35	56.46	1,073,418	+0.22(+0.39%)
Mar 17, 2011	56.36	56.49	55.95	56.23	770,780	+0.49(+0.88%)
Mar 16, 2011	56.41	56.57	55.19	55.74	2,031,883	-0.83(-1.47%)
Mar 15, 2011	56.32	56.89	56.27	56.57	1,607,566	-0.62(-1.09%)
Mar 14, 2011	57.15	57.37	56.76	57.20	834,797	-0.32(-0.55%)
Mar 11, 2011	56.96	57.71	56.93	57.52	780,774	+0.37(+0.65%)
Mar 10, 2011	57.62	57.62	57.10	57.14	898,986	-1.04(-1.79%)
Mar 09, 2011	58.16	58.39	57.89	58.19	768,265	-0.10(-0.16%)
Mar 08, 2011	57.91	58.48	57.63	58.28	988,314	+0.49(+0.85%)
Mar 07, 2011	58.50	58.59	57.49	57.79	1,532,434	-0.49(-0.84%)
Mar 04, 2011	58.71	58.71	57.92	58.28	626,838	-0.43(-0.73%)
Mar 03, 2011	58.22	58.79	58.22	58.71	702,669	+1.00(+1.73%)
Mar 02, 2011	57.51	57.98	57.45	57.71	1,465,608	+0.13(+0.22%)
Mar 01, 2011	58.78	58.80	57.56	57.59	924,067	-0.96(-1.64%)
Feb 28, 2011	58.45	58.64	58.22	58.54	1,952,651	+0.34(+0.58%)
Feb 25, 2011	57.80	58.24	57.77	58.20	678,157	+0.66(+1.14%)
Feb 24, 2011	57.53	57.78	57.01	57.55	2,635,297	-0.03(-0.06%)
Feb 23, 2011	57.98	58.09	57.19	57.58	1,381,933	-0.40(-0.70%)
Feb 22, 2011	58.56	58.88	57.83	57.98	1,448,841	-1.21(-2.04%)
Feb 18, 2011	59.11	59.28	58.99	59.19	708,010	+0.10(+0.17%)
Feb 17, 2011	58.73	59.18	58.72	59.09	925,287	+0.17(+0.30%)
Feb 16, 2011	58.76	58.99	58.65	58.92	2,487,497	+0.40(+0.68%)
Feb 15, 2011	58.53	58.64	58.40	58.52	1,114,555	-0.22(-0.38%)
Feb 14, 2011	58.55	58.77	58.51	58.74	855,256	+0.16(+0.27%)
Feb 11, 2011	58.02	58.64	57.98	58.58	755,167	+0.36(+0.63%)
Feb 10, 2011	57.86	58.27	57.75	58.22	1,406,405	+0.06(+0.11%)
Feb 09, 2011	58.17	58.32	57.89	58.16	1,295,792	-0.16(-0.27%)
Feb 08, 2011	58.07	58.33	57.93	58.32	2,191,438	+0.28(+0.48%)
Feb 07, 2011	57.81	58.21	57.80	58.03	1,797,576	+0.38(+0.65%)
Feb 04, 2011	57.53	57.70	57.28	57.66	1,071,336	+0.17(+0.30%)
Feb 03, 2011	57.26	57.58	56.96	57.48	538,578	+0.10(+0.18%)
Feb 02, 2011	57.35	57.52	57.29	57.38	1,611,731	-0.09(-0.15%)

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