Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	61.51	61.91	60.40	61.21	2,623,291	-0.22(-0.36%)
Apr 28, 2011	60.61	61.85	60.61	61.43	3,593,346	+0.80(+1.31%)
Apr 27, 2011	60.10	60.78	59.77	60.63	2,749,083	+0.77(+1.29%)
Apr 26, 2011	59.88	60.17	59.40	59.86	2,436,691	+0.16(+0.26%)
Apr 25, 2011	58.84	60.05	58.75	59.71	2,269,172	+0.67(+1.14%)
Apr 21, 2011	58.79	59.12	58.26	59.04	2,316,848	+0.45(+0.78%)
Apr 20, 2011	58.59	58.59	57.79	58.58	2,360,751	+0.67(+1.15%)
Apr 19, 2011	57.75	58.13	57.46	57.91	2,253,422	+0.17(+0.30%)
Apr 18, 2011	57.81	57.91	57.36	57.74	2,258,094	-0.36(-0.63%)
Apr 15, 2011	57.50	58.34	57.38	58.11	3,289,400	+0.68(+1.19%)
Apr 14, 2011	55.94	57.59	55.81	57.42	3,215,464	+1.28(+2.28%)
Apr 13, 2011	56.11	56.43	55.99	56.14	1,904,600	+0.15(+0.28%)
Apr 12, 2011	56.26	56.55	55.87	55.98	2,483,424	-0.53(-0.94%)
Apr 11, 2011	56.46	56.95	56.19	56.51	2,504,113	+0.05(+0.09%)
Apr 08, 2011	57.19	57.29	56.20	56.46	2,800,905	-0.38(-0.68%)
Apr 07, 2011	57.12	57.25	55.88	56.85	6,253,450	-0.51(-0.89%)
Apr 06, 2011	57.40	57.43	56.98	57.35	1,397,559	+0.09(+0.16%)
Apr 05, 2011	57.05	57.64	56.95	57.26	2,103,417	+0.11(+0.19%)
Apr 04, 2011	57.35	57.65	57.01	57.16	2,050,780	-0.09(-0.15%)
Apr 01, 2011	57.45	57.74	56.98	57.24	2,698,822	-0.03(-0.05%)
Mar 31, 2011	56.77	57.59	56.77	57.27	2,729,776	+0.26(+0.45%)
Mar 30, 2011	57.01	57.01	57.01	57.01	3,289,724	+0.40(+0.71%)
Mar 29, 2011	56.23	56.67	55.49	56.61	2,424,228	+0.42(+0.75%)
Mar 28, 2011	55.98	56.50	55.95	56.19	2,406,843	+0.27(+0.48%)
Mar 25, 2011	55.44	56.13	55.26	55.92	2,013,512	+0.51(+0.93%)
Mar 24, 2011	55.24	55.61	54.70	55.41	2,524,979	+0.43(+0.78%)
Mar 23, 2011	55.93	55.95	54.87	54.98	2,944,476	-1.08(-1.93%)
Mar 22, 2011	56.20	56.36	55.75	56.06	2,973,562	-0.21(-0.37%)
Mar 21, 2011	56.45	56.71	56.23	56.27	2,626,363	+0.76(+1.37%)
Mar 18, 2011	55.89	56.15	55.31	55.51	4,299,309	+0.34(+0.62%)
Mar 17, 2011	55.79	55.89	54.68	55.17	3,547,872	+0.18(+0.32%)
Mar 16, 2011	55.90	56.02	54.61	55.00	3,333,535	-1.05(-1.88%)
Mar 15, 2011	56.08	56.57	56.01	56.05	3,417,393	-0.40(-0.71%)
Mar 14, 2011	56.69	57.04	56.31	56.45	2,620,375	-0.66(-1.15%)
Mar 11, 2011	56.36	57.20	56.11	57.11	2,166,064	+0.79(+1.39%)
Mar 10, 2011	56.42	56.82	56.21	56.32	2,486,677	-0.60(-1.06%)
Mar 09, 2011	57.12	57.60	56.67	56.93	2,168,313	-0.38(-0.66%)
Mar 08, 2011	56.83	57.66	56.72	57.30	2,174,621	+0.68(+1.21%)
Mar 07, 2011	57.26	57.45	56.25	56.62	1,816,170	-0.37(-0.66%)
Mar 04, 2011	57.21	57.59	56.58	56.99	2,048,018	-0.39(-0.68%)
Mar 03, 2011	57.01	57.47	56.98	57.38	2,503,117	+1.04(+1.85%)
Mar 02, 2011	57.21	57.60	56.25	56.34	3,480,197	-0.86(-1.50%)
Mar 01, 2011	58.96	59.05	57.17	57.20	4,150,333	-1.60(-2.73%)
Feb 28, 2011	57.33	58.93	57.33	58.81	3,872,876	+1.64(+2.86%)
Feb 25, 2011	56.74	57.22	56.50	57.17	3,953,342	+0.72(+1.27%)
Feb 24, 2011	57.16	57.16	55.71	56.46	2,910,817	-0.72(-1.25%)
Feb 23, 2011	57.50	57.99	56.55	57.17	3,691,207	-0.48(-0.83%)
Feb 22, 2011	57.12	58.03	57.11	57.65	3,352,999	-0.03(-0.06%)
Feb 18, 2011	57.99	57.99	57.26	57.68	2,632,836	-0.10(-0.18%)
Feb 17, 2011	57.47	57.87	57.35	57.79	1,577,419	+0.17(+0.30%)
Feb 16, 2011	57.43	57.92	57.24	57.61	2,390,887	+0.51(+0.90%)
Feb 15, 2011	56.89	57.63	56.72	57.10	1,660,825	-0.10(-0.17%)
Feb 14, 2011	57.42	57.50	56.65	57.20	2,243,693	-0.07(-0.12%)
Feb 11, 2011	56.81	57.42	56.55	57.27	2,335,991	+0.40(+0.70%)
Feb 10, 2011	56.29	57.08	56.12	56.87	3,248,710	+0.51(+0.90%)
Feb 09, 2011	56.36	56.70	56.02	56.36	2,375,638	-0.01(-0.01%)
Feb 08, 2011	55.84	56.40	55.56	56.36	3,094,891	+0.66(+1.18%)
Feb 07, 2011	55.02	55.74	54.95	55.71	5,177,862	+0.83(+1.51%)
Feb 04, 2011	55.29	55.69	54.57	54.88	4,571,513	-0.65(-1.17%)
Feb 03, 2011	54.43	55.65	54.43	55.53	4,024,105	+0.97(+1.78%)
Feb 02, 2011	54.28	54.88	54.01	54.56	3,146,900	+0.21(+0.39%)

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