Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	81.03	81.03	80.93	80.94	1,205,097	-0.03(-0.04%)
Apr 27, 2012	80.94	80.99	80.90	80.97	845,473	-0.01(-0.01%)
Apr 26, 2012	80.97	81.00	80.89	80.97	1,396,053	+0.12(+0.15%)
Apr 25, 2012	80.80	80.86	80.67	80.85	1,342,297	+0.04(+0.05%)
Apr 24, 2012	80.89	80.92	80.80	80.81	857,438	-0.12(-0.14%)
Apr 23, 2012	81.04	81.04	80.89	80.93	1,075,494	+0.08(+0.10%)
Apr 20, 2012	80.85	80.88	80.77	80.85	2,090,999	+0.01(+0.02%)
Apr 19, 2012	80.86	80.92	80.83	80.83	845,417	-0.06(-0.07%)
Apr 18, 2012	80.82	80.89	80.75	80.89	1,208,310	+0.10(+0.13%)
Apr 17, 2012	80.72	80.79	80.68	80.79	1,007,835	+0.01(+0.02%)
Apr 16, 2012	80.67	80.86	80.67	80.78	1,532,080	+0.01(+0.02%)
Apr 13, 2012	80.72	80.78	80.65	80.76	1,509,404	+0.25(+0.31%)
Apr 12, 2012	80.57	80.60	80.50	80.51	691,275	-0.08(-0.10%)
Apr 11, 2012	80.53	80.59	80.42	80.59	1,643,985	+0.01(+0.01%)
Apr 10, 2012	80.64	80.75	80.55	80.59	2,587,873	+0.01(+0.01%)
Apr 09, 2012	80.63	80.64	80.53	80.58	786,517	+0.35(+0.44%)
Apr 05, 2012	80.21	80.23	80.06	80.23	1,023,510	+0.18(+0.23%)
Apr 04, 2012	80.02	80.07	79.92	80.04	1,553,880	+0.17(+0.21%)
Apr 03, 2012	80.29	80.34	79.82	79.88	1,048,107	-0.34(-0.43%)
Apr 02, 2012	80.41	80.41	80.10	80.22	3,277,324	+0.01(+0.01%)
Mar 30, 2012	80.40	80.40	80.09	80.21	1,535,534	-0.12(-0.15%)
Mar 29, 2012	80.28	80.36	80.20	80.33	1,654,391	+0.22(+0.27%)
Mar 28, 2012	80.12	80.23	80.09	80.12	1,112,953	-0.01(-0.02%)
Mar 27, 2012	80.09	80.18	80.04	80.13	3,491,101	+0.09(+0.11%)
Mar 26, 2012	80.06	80.09	79.91	80.04	1,188,434	-0.06(-0.07%)
Mar 23, 2012	79.93	80.10	79.91	80.10	1,038,587	+0.18(+0.23%)
Mar 22, 2012	79.85	79.93	79.85	79.92	913,137	+0.07(+0.09%)
Mar 21, 2012	79.76	79.87	79.68	79.85	808,961	+0.19(+0.24%)
Mar 20, 2012	79.53	79.66	79.47	79.66	1,315,172	+0.12(+0.15%)
Mar 19, 2012	79.81	79.81	79.51	79.54	1,570,520	-0.26(-0.32%)
Mar 16, 2012	79.70	79.82	79.63	79.79	1,278,958	+0.01(+0.01%)
Mar 15, 2012	79.78	79.93	79.77	79.79	1,096,198	-0.04(-0.05%)
Mar 14, 2012	80.14	80.20	79.77	79.82	1,533,479	-0.44(-0.55%)
Mar 13, 2012	80.48	80.49	80.25	80.26	1,978,491	-0.27(-0.34%)
Mar 12, 2012	80.60	80.65	80.50	80.53	1,501,802	+0.07(+0.09%)
Mar 09, 2012	80.49	80.49	80.42	80.46	973,570	-0.01(-0.02%)
Mar 08, 2012	80.65	80.67	80.45	80.47	1,330,172	-0.18(-0.23%)
Mar 07, 2012	80.72	80.73	80.63	80.66	1,144,938	-0.07(-0.09%)
Mar 06, 2012	80.72	80.77	80.65	80.73	1,446,789	+0.16(+0.20%)
Mar 05, 2012	80.67	80.70	80.55	80.57	1,503,867	-0.12(-0.14%)
Mar 02, 2012	80.55	80.69	80.54	80.69	1,183,006	+0.18(+0.22%)
Mar 01, 2012	80.49	80.55	80.38	80.51	1,701,866	-0.16(-0.20%)
Feb 29, 2012	80.80	80.80	80.56	80.67	2,737,065	-0.08(-0.10%)
Feb 28, 2012	80.86	80.88	80.71	80.75	1,091,810	-0.06(-0.07%)
Feb 27, 2012	80.72	80.81	80.67	80.81	977,498	+0.25(+0.32%)
Feb 24, 2012	80.59	80.69	80.54	80.56	1,872,993	+0.02(+0.03%)
Feb 23, 2012	80.43	80.56	80.39	80.53	1,082,333	+0.07(+0.08%)
Feb 22, 2012	80.37	80.47	80.32	80.47	1,338,782	+0.23(+0.28%)
Feb 21, 2012	80.32	80.35	80.24	80.24	1,433,086	-0.12(-0.15%)
Feb 17, 2012	80.35	80.39	80.27	80.37	1,172,051	-0.10(-0.13%)
Feb 16, 2012	80.48	80.54	80.40	80.47	1,261,334	-0.01(-0.02%)
Feb 15, 2012	80.59	80.61	80.48	80.48	1,202,006	-0.03(-0.04%)
Feb 14, 2012	80.53	80.64	80.50	80.51	1,202,963	+0.07(+0.08%)
Feb 13, 2012	80.47	80.52	80.40	80.45	1,255,967	+0.03(+0.04%)
Feb 10, 2012	80.37	80.51	80.37	80.42	981,521	+0.11(+0.14%)
Feb 09, 2012	80.39	80.43	80.25	80.31	1,466,805	-0.13(-0.16%)
Feb 08, 2012	80.46	80.52	80.36	80.44	2,031,419	-0.07(-0.08%)
Feb 07, 2012	80.45	80.53	80.37	80.51	1,326,994	-0.08(-0.10%)
Feb 06, 2012	80.50	80.59	80.41	80.59	2,545,918	+0.06(+0.07%)
Feb 03, 2012	80.34	80.56	80.28	80.53	1,568,450	-0.04(-0.05%)
Feb 02, 2012	80.52	80.61	80.46	80.56	1,623,003	+0.02(+0.03%)

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