Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	57.53	57.66	57.38	57.57	578,132	+0.13(+0.23%)
Apr 28, 2011	57.22	57.51	57.19	57.44	582,791	+0.17(+0.30%)
Apr 27, 2011	57.09	57.33	56.75	57.27	365,987	+0.33(+0.59%)
Apr 26, 2011	56.73	57.09	56.58	56.93	515,808	+0.43(+0.76%)
Apr 25, 2011	56.63	56.63	56.33	56.50	299,877	-0.13(-0.23%)
Apr 21, 2011	56.46	56.64	56.39	56.63	519,709	+0.41(+0.73%)
Apr 20, 2011	56.05	56.28	56.02	56.23	468,092	+0.89(+1.62%)
Apr 19, 2011	55.11	55.35	54.95	55.33	496,259	+0.28(+0.50%)
Apr 18, 2011	54.98	55.11	54.50	55.05	509,342	-0.53(-0.95%)
Apr 15, 2011	55.53	55.70	55.23	55.58	461,494	+0.17(+0.30%)
Apr 14, 2011	55.16	55.51	54.95	55.42	355,788	-0.01(-0.02%)
Apr 13, 2011	55.54	55.65	55.15	55.43	366,926	+0.21(+0.38%)
Apr 12, 2011	55.34	55.44	55.02	55.21	497,947	-0.40(-0.73%)
Apr 11, 2011	55.89	55.99	55.44	55.62	264,114	-0.16(-0.28%)
Apr 08, 2011	56.31	56.31	55.55	55.77	393,874	-0.28(-0.50%)
Apr 07, 2011	56.10	56.33	55.76	56.05	291,126	-0.10(-0.17%)
Apr 06, 2011	56.42	56.47	55.96	56.15	319,700	+0.07(+0.12%)
Apr 05, 2011	56.03	56.36	55.98	56.08	512,062	-0.03(-0.05%)
Apr 04, 2011	56.23	56.31	55.95	56.10	374,003	+0.03(+0.06%)
Apr 01, 2011	56.23	56.35	55.92	56.07	453,554	+0.23(+0.40%)
Mar 31, 2011	55.84	55.97	55.75	55.84	399,806	-0.03(-0.05%)
Mar 30, 2011	55.84	56.00	55.34	55.87	542,738	+0.36(+0.64%)
Mar 29, 2011	55.03	55.54	54.87	55.51	292,015	+0.47(+0.85%)
Mar 28, 2011	55.41	55.48	55.04	55.04	473,767	-0.17(-0.31%)
Mar 25, 2011	55.24	55.50	55.12	55.22	328,897	+0.16(+0.30%)
Mar 24, 2011	54.76	55.11	54.43	55.05	607,388	+0.65(+1.19%)
Mar 23, 2011	54.08	54.54	53.76	54.40	359,356	+0.25(+0.46%)
Mar 22, 2011	54.36	54.39	54.09	54.15	328,586	-0.18(-0.33%)
Mar 21, 2011	54.36	54.42	54.21	54.33	494,081	+0.89(+1.67%)
Mar 18, 2011	53.99	54.02	53.31	53.44	470,210	+0.12(+0.23%)
Mar 17, 2011	53.51	53.68	53.17	53.32	607,191	+0.54(+1.02%)
Mar 16, 2011	53.62	53.80	52.37	52.78	962,423	-0.98(-1.82%)
Mar 15, 2011	53.50	54.06	53.43	53.76	657,943	-0.56(-1.04%)
Mar 14, 2011	54.38	54.52	53.91	54.33	530,899	-0.30(-0.56%)
Mar 11, 2011	54.02	54.82	54.01	54.63	598,768	+0.37(+0.67%)
Mar 10, 2011	54.70	54.72	54.19	54.26	490,669	-0.95(-1.73%)
Mar 09, 2011	55.32	55.42	54.97	55.22	347,529	-0.15(-0.27%)
Mar 08, 2011	55.10	55.54	54.74	55.37	382,954	+0.40(+0.72%)
Mar 07, 2011	55.81	55.87	54.66	54.97	443,006	-0.60(-1.08%)
Mar 04, 2011	55.91	55.93	55.19	55.56	489,083	-0.35(-0.62%)
Mar 03, 2011	55.37	55.98	55.37	55.91	503,400	+1.00(+1.81%)
Mar 02, 2011	54.70	55.17	54.66	54.91	1,298,352	+0.16(+0.30%)
Mar 01, 2011	55.88	55.92	54.71	54.75	971,725	-0.94(-1.70%)
Feb 28, 2011	55.75	55.82	55.37	55.69	498,715	+0.22(+0.39%)
Feb 25, 2011	55.10	55.52	55.08	55.48	380,218	+0.71(+1.30%)
Feb 24, 2011	54.66	54.98	54.22	54.77	582,163	+0.04(+0.08%)
Feb 23, 2011	55.17	55.25	54.29	54.72	779,949	-0.45(-0.82%)
Feb 22, 2011	55.97	56.13	55.05	55.17	696,883	-1.40(-2.48%)
Feb 18, 2011	56.56	56.66	56.37	56.58	433,201	+0.06(+0.11%)
Feb 17, 2011	56.26	56.58	56.16	56.51	337,223	+0.10(+0.18%)
Feb 16, 2011	56.27	56.50	56.16	56.41	356,740	+0.36(+0.63%)
Feb 15, 2011	56.12	56.15	55.92	56.06	450,859	-0.15(-0.26%)
Feb 14, 2011	56.13	56.26	56.07	56.21	632,875	+0.11(+0.19%)
Feb 11, 2011	55.57	56.16	55.49	56.10	361,189	+0.38(+0.68%)
Feb 10, 2011	55.41	55.76	55.24	55.72	357,565	+0.03(+0.05%)
Feb 09, 2011	55.71	55.89	55.47	55.69	541,267	-0.11(-0.20%)
Feb 08, 2011	55.62	55.82	55.47	55.81	459,900	+0.28(+0.50%)
Feb 07, 2011	55.42	55.79	55.40	55.53	470,209	+0.26(+0.47%)
Feb 04, 2011	55.06	55.27	54.86	55.27	434,881	+0.25(+0.46%)
Feb 03, 2011	54.81	55.10	54.53	55.02	454,968	+0.18(+0.33%)
Feb 02, 2011	54.80	55.03	54.74	54.84	548,977	-0.12(-0.21%)

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