Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	81.03	81.03	80.93	80.94	1,205,080	-0.03(-0.04%)
Apr 27, 2012	80.95	80.99	80.90	80.97	845,461	-0.01(-0.01%)
Apr 26, 2012	80.97	81.00	80.89	80.97	1,396,034	+0.12(+0.15%)
Apr 25, 2012	80.80	80.87	80.67	80.85	1,342,278	+0.04(+0.05%)
Apr 24, 2012	80.89	80.92	80.80	80.81	857,426	-0.12(-0.14%)
Apr 23, 2012	81.04	81.04	80.89	80.93	1,075,479	+0.08(+0.10%)
Apr 20, 2012	80.85	80.88	80.77	80.85	2,090,970	+0.01(+0.02%)
Apr 19, 2012	80.87	80.92	80.84	80.84	845,405	-0.06(-0.07%)
Apr 18, 2012	80.82	80.89	80.76	80.89	1,208,293	+0.10(+0.13%)
Apr 17, 2012	80.72	80.79	80.68	80.79	1,007,821	+0.01(+0.02%)
Apr 16, 2012	80.67	80.86	80.67	80.78	1,532,059	+0.01(+0.02%)
Apr 13, 2012	80.72	80.78	80.65	80.76	1,509,383	+0.25(+0.31%)
Apr 12, 2012	80.57	80.60	80.50	80.51	691,266	-0.08(-0.10%)
Apr 11, 2012	80.54	80.59	80.42	80.59	1,643,962	+0.01(+0.01%)
Apr 10, 2012	80.64	80.75	80.55	80.59	2,587,837	+0.01(+0.01%)
Apr 09, 2012	80.63	80.64	80.53	80.58	786,506	+0.35(+0.44%)
Apr 05, 2012	80.21	80.23	80.07	80.23	1,023,496	+0.18(+0.23%)
Apr 04, 2012	80.02	80.07	79.92	80.05	1,553,858	+0.17(+0.21%)
Apr 03, 2012	80.29	80.35	79.82	79.88	1,048,092	-0.34(-0.43%)

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