Date	Open	High	Low	Close	Volume	Change (%)
Mar 30, 2012	81.99	82.10	81.51	81.61	636,058	-0.40(-0.49%)
Mar 29, 2012	81.96	82.01	81.84	82.01	920,844	+0.34(+0.42%)
Mar 28, 2012	81.67	81.97	81.67	81.67	398,215	-0.14(-0.17%)
Mar 27, 2012	81.51	81.87	81.50	81.81	732,420	+0.45(+0.55%)
Mar 26, 2012	81.40	81.49	81.13	81.36	596,917	-0.09(-0.12%)
Mar 23, 2012	81.37	81.58	81.35	81.46	501,190	+0.30(+0.37%)
Mar 22, 2012	81.24	81.31	81.09	81.16	412,722	+0.10(+0.13%)
Mar 21, 2012	80.81	81.09	80.80	81.05	579,661	+0.41(+0.51%)
Mar 20, 2012	80.68	80.79	80.41	80.64	973,289	+0.04(+0.05%)
Mar 19, 2012	80.99	81.04	80.46	80.60	1,434,091	-0.50(-0.61%)
Mar 16, 2012	80.79	81.11	80.71	81.10	861,992	-0.02(-0.03%)
Mar 15, 2012	81.05	81.31	81.04	81.13	2,913,682	-0.03(-0.03%)
Mar 14, 2012	81.69	81.73	81.09	81.15	2,193,296	-0.94(-1.14%)
Mar 13, 2012	82.49	82.52	82.07	82.09	782,887	-0.59(-0.72%)
Mar 12, 2012	82.86	82.89	82.68	82.68	636,690	-0.02(-0.03%)
Mar 09, 2012	82.67	82.74	82.52	82.71	362,869	-0.06(-0.08%)
Mar 08, 2012	82.94	83.02	82.74	82.77	417,467	-0.24(-0.30%)
Mar 07, 2012	83.13	83.16	82.97	83.01	551,835	-0.16(-0.19%)
Mar 06, 2012	83.15	83.30	83.12	83.17	766,617	+0.35(+0.42%)
Mar 05, 2012	82.92	83.04	82.79	82.82	1,779,517	-0.17(-0.20%)
Mar 02, 2012	82.75	83.05	82.75	82.99	455,721	+0.33(+0.40%)
Mar 01, 2012	82.56	82.68	82.44	82.66	1,499,956	-0.27(-0.32%)
Feb 29, 2012	83.23	83.25	82.82	82.93	998,213	-0.33(-0.40%)
Feb 28, 2012	83.38	83.46	83.20	83.26	1,036,768	+0.04(+0.05%)
Feb 27, 2012	83.31	83.35	83.19	83.22	746,041	+0.28(+0.33%)
Feb 24, 2012	82.93	83.00	82.88	82.94	456,361	+0.06(+0.08%)
Feb 23, 2012	82.69	82.98	82.58	82.88	1,021,559	+0.12(+0.14%)
Feb 22, 2012	82.56	82.83	82.56	82.76	682,150	+0.32(+0.39%)
Feb 21, 2012	82.57	82.60	82.34	82.44	804,710	-0.30(-0.36%)
Feb 17, 2012	82.57	82.77	82.55	82.74	828,753	-0.09(-0.10%)
Feb 16, 2012	83.00	83.10	82.68	82.82	1,952,754	-0.38(-0.46%)
Feb 15, 2012	83.12	83.37	83.11	83.20	436,188	+0.06(+0.08%)
Feb 14, 2012	83.08	83.27	83.01	83.14	780,115	+0.17(+0.21%)
Feb 13, 2012	82.86	83.07	82.83	82.97	379,278	-0.06(-0.07%)
Feb 10, 2012	82.95	83.10	82.85	83.02	1,676,489	+0.47(+0.56%)
Feb 09, 2012	82.60	82.67	82.34	82.56	2,284,808	-0.19(-0.23%)
Feb 08, 2012	82.70	82.83	82.62	82.75	513,083	+0.04(+0.05%)
Feb 07, 2012	82.89	82.95	82.64	82.71	1,476,583	-0.54(-0.64%)
Feb 06, 2012	83.05	83.30	82.95	83.24	3,762,868	+0.23(+0.28%)
Feb 03, 2012	83.05	83.16	82.90	83.01	1,410,252	-0.66(-0.79%)
Feb 02, 2012	83.61	83.72	83.53	83.68	1,064,635	+0.12(+0.14%)
Feb 01, 2012	83.65	83.68	83.50	83.56	2,153,556	-0.29(-0.35%)
Jan 31, 2012	83.42	83.86	83.42	83.85	1,272,119	+0.31(+0.38%)
Jan 30, 2012	83.55	83.72	83.49	83.53	1,463,430	+0.28(+0.34%)
Jan 27, 2012	83.12	83.28	82.98	83.25	974,650	+0.25(+0.30%)
Jan 26, 2012	82.78	83.05	82.78	83.00	1,339,739	+0.44(+0.53%)
Jan 25, 2012	82.12	83.03	82.08	82.56	1,459,244	+0.39(+0.48%)
Jan 24, 2012	82.16	82.16	81.94	82.16	1,762,744	+0.09(+0.12%)
Jan 23, 2012	82.01	82.15	81.90	82.07	932,066	-0.18(-0.22%)
Jan 20, 2012	82.38	82.51	82.23	82.25	826,168	-0.28(-0.34%)
Jan 19, 2012	82.86	82.92	82.44	82.53	2,015,536	-0.50(-0.60%)
Jan 18, 2012	83.41	83.41	82.99	83.03	577,987	-0.26(-0.31%)
Jan 17, 2012	83.17	83.34	83.16	83.29	1,470,554	+0.08(+0.09%)
Jan 13, 2012	83.24	83.40	83.19	83.21	703,465	+0.37(+0.45%)
Jan 12, 2012	82.97	83.01	82.75	82.84	869,869	-0.17(-0.21%)
Jan 11, 2012	82.75	83.04	82.75	83.01	1,182,948	+0.48(+0.58%)
Jan 10, 2012	82.48	82.69	82.44	82.53	2,077,647	-0.17(-0.20%)
Jan 09, 2012	82.64	82.90	82.61	82.70	482,323	+0.02(+0.02%)
Jan 06, 2012	82.46	82.73	82.46	82.68	1,267,539	+0.32(+0.39%)
Jan 05, 2012	82.42	82.69	82.31	82.36	1,665,169	+0.02(+0.02%)

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