Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	56.86	56.92	56.82	56.88	1,006,406	+0.13(+0.22%)
Apr 28, 2011	56.64	56.81	56.64	56.75	2,010,649	+0.11(+0.20%)
Apr 27, 2011	56.71	56.73	56.63	56.64	1,294,849	-0.03(-0.05%)
Apr 26, 2011	56.63	56.68	56.59	56.67	1,114,713	+0.11(+0.20%)
Apr 25, 2011	56.59	56.66	56.54	56.56	1,395,933	-0.06(-0.10%)
Apr 21, 2011	56.52	56.62	56.42	56.61	1,410,592	+0.19(+0.35%)
Apr 20, 2011	56.38	56.50	56.31	56.42	1,577,929	+0.15(+0.27%)
Apr 19, 2011	56.20	56.29	56.17	56.27	1,918,288	+0.24(+0.42%)
Apr 18, 2011	56.22	56.22	56.03	56.03	3,401,638	-0.28(-0.49%)
Apr 15, 2011	56.31	56.35	56.24	56.31	1,106,672	+0.11(+0.20%)
Apr 14, 2011	56.36	56.36	56.18	56.20	1,619,051	-0.21(-0.37%)
Apr 13, 2011	56.28	56.41	56.22	56.41	1,972,894	+0.31(+0.55%)
Apr 12, 2011	56.18	56.27	56.10	56.10	2,502,584	-0.17(-0.30%)
Apr 11, 2011	56.45	56.45	56.27	56.27	1,533,961	-0.07(-0.12%)
Apr 08, 2011	56.45	56.45	56.32	56.34	1,496,883	-0.07(-0.12%)
Apr 07, 2011	56.32	56.42	56.32	56.41	1,780,865	+0.08(+0.15%)
Apr 06, 2011	56.32	56.34	56.25	56.32	1,055,180	+0.14(+0.25%)
Apr 05, 2011	56.27	56.36	56.18	56.18	2,534,092	-0.15(-0.27%)
Apr 04, 2011	55.93	56.34	55.93	56.34	5,379,229	+0.42(+0.75%)
Apr 01, 2011	56.06	56.13	55.89	55.92	5,648,341	-0.06(-0.12%)
Mar 31, 2011	56.02	56.05	55.93	55.98	1,507,379	-0.01(-0.02%)
Mar 30, 2011	55.93	56.04	55.87	56.00	2,015,352	+0.14(+0.25%)
Mar 29, 2011	55.80	55.93	55.76	55.86	2,181,633	+0.03(+0.05%)
Mar 28, 2011	55.91	55.91	55.78	55.83	1,734,559	+0.00(+0.00%)
Mar 25, 2011	55.93	55.93	55.82	55.83	1,349,676	-0.03(-0.05%)
Mar 24, 2011	55.91	55.94	55.76	55.86	1,954,644	+0.04(+0.07%)
Mar 23, 2011	55.83	55.87	55.73	55.82	1,459,417	-0.10(-0.17%)
Mar 22, 2011	55.85	55.91	55.74	55.91	4,900,130	+0.01(+0.02%)
Mar 21, 2011	55.87	55.93	55.81	55.90	1,837,377	+0.30(+0.55%)
Mar 18, 2011	55.58	55.73	55.52	55.60	2,018,972	+0.29(+0.52%)
Mar 17, 2011	55.10	55.39	55.02	55.31	2,012,279	+0.59(+1.09%)
Mar 16, 2011	55.20	55.29	54.70	54.71	5,461,478	-0.39(-0.70%)
Mar 15, 2011	55.23	55.47	55.10	55.10	3,982,709	-0.37(-0.67%)
Mar 14, 2011	55.54	55.69	55.44	55.47	3,893,098	-0.19(-0.35%)
Mar 11, 2011	55.62	55.69	55.53	55.67	1,895,487	+0.07(+0.13%)
Mar 10, 2011	55.83	55.86	55.58	55.59	2,329,788	-0.22(-0.40%)
Mar 09, 2011	56.04	56.04	55.82	55.82	2,447,781	-0.19(-0.34%)
Mar 08, 2011	56.05	56.09	55.94	56.01	1,139,279	-0.06(-0.10%)
Mar 07, 2011	55.98	56.07	55.93	56.07	1,542,450	+0.11(+0.20%)
Mar 04, 2011	56.14	56.15	55.94	55.96	1,924,304	-0.19(-0.34%)
Mar 03, 2011	56.00	56.15	55.96	56.15	1,956,747	+0.28(+0.49%)
Mar 02, 2011	55.89	55.97	55.76	55.87	1,189,059	+0.14(+0.25%)
Mar 01, 2011	56.01	56.04	55.72	55.73	2,206,463	-0.27(-0.48%)
Feb 28, 2011	55.84	56.00	55.77	56.00	2,078,650	+0.22(+0.39%)
Feb 25, 2011	55.69	55.81	55.62	55.78	3,439,278	+0.24(+0.43%)
Feb 24, 2011	55.61	55.67	55.51	55.55	1,794,046	-0.00(-0.00%)
Feb 23, 2011	55.59	55.70	55.39	55.55	2,173,340	+0.05(+0.10%)
Feb 22, 2011	55.80	55.84	55.48	55.50	2,359,055	-0.43(-0.76%)
Feb 18, 2011	55.84	55.92	55.81	55.92	929,389	+0.19(+0.34%)
Feb 17, 2011	55.72	55.81	55.71	55.73	1,450,853	+0.01(+0.01%)
Feb 16, 2011	55.72	55.80	55.67	55.72	1,446,947	+0.09(+0.16%)
Feb 15, 2011	55.59	55.72	55.59	55.63	1,079,795	-0.05(-0.10%)
Feb 14, 2011	55.63	55.72	55.61	55.69	1,083,505	+0.10(+0.17%)
Feb 11, 2011	55.48	55.59	55.40	55.59	1,718,726	+0.12(+0.22%)
Feb 10, 2011	55.39	55.59	55.37	55.47	1,510,253	+0.07(+0.12%)
Feb 09, 2011	55.74	55.76	55.39	55.40	3,132,700	-0.34(-0.62%)
Feb 08, 2011	55.80	55.85	55.66	55.74	4,610,101	-0.11(-0.20%)
Feb 07, 2011	55.70	55.85	55.62	55.85	3,665,960	+0.18(+0.32%)
Feb 04, 2011	55.48	55.69	55.43	55.67	2,760,248	+0.21(+0.37%)
Feb 03, 2011	55.36	55.47	55.29	55.47	2,474,854	+0.10(+0.17%)
Feb 02, 2011	55.44	55.47	55.37	55.37	1,523,337	-0.01(-0.02%)

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