Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	82.17	82.17	82.07	82.07	1,188,412	-0.03(-0.04%)
Apr 27, 2012	82.08	82.13	82.04	82.10	833,767	-0.01(-0.01%)
Apr 26, 2012	82.10	82.14	82.03	82.11	1,376,725	+0.13(+0.15%)
Apr 25, 2012	81.93	82.00	81.81	81.98	1,323,713	+0.04(+0.05%)
Apr 24, 2012	82.02	82.06	81.93	81.95	845,566	-0.12(-0.14%)
Apr 23, 2012	82.18	82.18	82.02	82.07	1,060,603	+0.08(+0.10%)
Apr 20, 2012	81.98	82.01	81.90	81.98	2,062,049	+0.01(+0.02%)
Apr 19, 2012	82.00	82.06	81.97	81.97	833,712	-0.06(-0.07%)
Apr 18, 2012	81.95	82.03	81.89	82.03	1,191,581	+0.10(+0.13%)
Apr 17, 2012	81.85	81.93	81.81	81.93	993,881	+0.01(+0.02%)
Apr 16, 2012	81.81	81.99	81.81	81.91	1,510,869	+0.01(+0.02%)
Apr 13, 2012	81.85	81.91	81.78	81.90	1,488,506	+0.25(+0.31%)
Apr 12, 2012	81.70	81.73	81.63	81.64	681,704	-0.08(-0.10%)
Apr 11, 2012	81.67	81.72	81.55	81.72	1,621,224	+0.01(+0.01%)
Apr 10, 2012	81.77	81.88	81.68	81.72	2,552,043	+0.01(+0.01%)
Apr 09, 2012	81.76	81.77	81.66	81.71	775,627	+0.36(+0.44%)
Apr 05, 2012	81.33	81.35	81.19	81.35	1,009,339	+0.19(+0.23%)
Apr 04, 2012	81.15	81.19	81.04	81.17	1,532,366	+0.17(+0.21%)
Apr 03, 2012	81.41	81.47	80.94	81.00	1,033,595	-0.35(-0.43%)

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