Date	Open	High	Low	Close	Volume	Change (%)
Mar 30, 2012	82.20	82.31	81.71	81.81	634,447	-0.40(-0.49%)
Mar 29, 2012	82.17	82.22	82.05	82.22	918,512	+0.34(+0.42%)
Mar 28, 2012	81.88	82.18	81.88	81.88	397,207	-0.14(-0.17%)
Mar 27, 2012	81.72	82.07	81.70	82.02	730,565	+0.45(+0.55%)
Mar 26, 2012	81.61	81.69	81.33	81.57	595,405	-0.09(-0.12%)
Mar 23, 2012	81.58	81.79	81.55	81.66	499,921	+0.30(+0.37%)
Mar 22, 2012	81.45	81.51	81.30	81.36	411,676	+0.10(+0.13%)
Mar 21, 2012	81.01	81.30	81.01	81.26	578,193	+0.41(+0.51%)
Mar 20, 2012	80.89	81.00	80.62	80.85	970,824	+0.04(+0.05%)
Mar 19, 2012	81.20	81.24	80.67	80.81	1,430,459	-0.50(-0.61%)
Mar 16, 2012	80.99	81.32	80.92	81.31	859,809	-0.02(-0.03%)
Mar 15, 2012	81.25	81.51	81.25	81.33	2,906,302	-0.03(-0.03%)
Mar 14, 2012	81.90	81.94	81.29	81.36	2,187,741	-0.94(-1.14%)
Mar 13, 2012	82.70	82.73	82.28	82.30	780,905	-0.59(-0.72%)
Mar 12, 2012	83.07	83.10	82.89	82.89	635,078	-0.02(-0.03%)
Mar 09, 2012	82.88	82.95	82.73	82.92	361,950	-0.06(-0.08%)
Mar 08, 2012	83.15	83.23	82.95	82.98	416,410	-0.25(-0.30%)
Mar 07, 2012	83.34	83.37	83.19	83.22	550,437	-0.16(-0.19%)
Mar 06, 2012	83.36	83.51	83.34	83.38	764,675	+0.35(+0.42%)
Mar 05, 2012	83.13	83.25	83.00	83.03	1,775,010	-0.17(-0.20%)
Mar 02, 2012	82.96	83.26	82.96	83.20	454,567	+0.33(+0.40%)
Mar 01, 2012	82.76	82.89	82.65	82.87	1,496,157	-0.27(-0.32%)
Feb 29, 2012	83.44	83.46	83.03	83.14	995,685	-0.33(-0.40%)
Feb 28, 2012	83.59	83.68	83.41	83.47	1,034,142	+0.04(+0.05%)
Feb 27, 2012	83.52	83.56	83.40	83.43	744,152	+0.28(+0.33%)
Feb 24, 2012	83.15	83.21	83.09	83.15	455,205	+0.06(+0.08%)
Feb 23, 2012	82.90	83.19	82.79	83.09	1,018,972	+0.12(+0.14%)
Feb 22, 2012	82.77	83.04	82.77	82.97	680,422	+0.32(+0.39%)
Feb 21, 2012	82.78	82.81	82.54	82.65	802,672	-0.30(-0.36%)
Feb 17, 2012	82.78	82.98	82.76	82.95	826,654	-0.09(-0.10%)
Feb 16, 2012	83.21	83.31	82.89	83.03	1,947,808	-0.38(-0.46%)
Feb 15, 2012	83.33	83.58	83.32	83.41	435,083	+0.06(+0.08%)
Feb 14, 2012	83.30	83.48	83.22	83.35	778,139	+0.17(+0.21%)
Feb 13, 2012	83.07	83.28	83.04	83.18	378,318	-0.06(-0.07%)
Feb 10, 2012	83.16	83.31	83.06	83.23	1,672,244	+0.47(+0.56%)
Feb 09, 2012	82.81	82.88	82.55	82.77	2,279,022	-0.19(-0.23%)
Feb 08, 2012	82.91	83.04	82.83	82.96	511,784	+0.04(+0.05%)
Feb 07, 2012	83.10	83.17	82.85	82.92	1,472,843	-0.54(-0.64%)
Feb 06, 2012	83.26	83.51	83.16	83.45	3,753,339	+0.23(+0.28%)
Feb 03, 2012	83.26	83.37	83.11	83.22	1,406,681	-0.66(-0.79%)
Feb 02, 2012	83.82	83.94	83.74	83.89	1,061,939	+0.12(+0.14%)
Feb 01, 2012	83.87	83.90	83.71	83.77	2,148,102	-0.29(-0.35%)
Jan 31, 2012	83.63	84.07	83.63	84.06	1,268,897	+0.32(+0.38%)
Jan 30, 2012	83.76	83.93	83.70	83.75	1,459,724	+0.28(+0.34%)
Jan 27, 2012	83.34	83.49	83.19	83.46	972,182	+0.25(+0.30%)
Jan 26, 2012	82.99	83.26	82.99	83.21	1,336,346	+0.44(+0.53%)
Jan 25, 2012	82.33	83.24	82.29	82.77	1,455,549	+0.39(+0.48%)
Jan 24, 2012	82.37	82.37	82.14	82.37	1,758,280	+0.09(+0.12%)
Jan 23, 2012	82.21	82.36	82.10	82.28	929,705	-0.18(-0.22%)
Jan 20, 2012	82.59	82.72	82.44	82.46	824,075	-0.28(-0.34%)
Jan 19, 2012	83.08	83.13	82.65	82.74	2,010,432	-0.50(-0.60%)
Jan 18, 2012	83.62	83.62	83.20	83.24	576,523	-0.26(-0.31%)
Jan 17, 2012	83.38	83.55	83.37	83.50	1,466,830	+0.08(+0.09%)
Jan 13, 2012	83.45	83.61	83.40	83.42	701,684	+0.37(+0.45%)
Jan 12, 2012	83.18	83.22	82.96	83.05	867,666	-0.17(-0.21%)
Jan 11, 2012	82.96	83.25	82.96	83.23	1,179,952	+0.48(+0.58%)
Jan 10, 2012	82.69	82.90	82.65	82.74	2,072,385	-0.17(-0.20%)
Jan 09, 2012	82.85	83.11	82.81	82.91	481,101	+0.02(+0.02%)
Jan 06, 2012	82.67	82.94	82.67	82.89	1,264,329	+0.32(+0.39%)
Jan 05, 2012	82.63	82.90	82.51	82.57	1,660,952	+0.02(+0.02%)

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