Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	70.21	71.14	70.21	70.82	253,050	+0.15(+0.21%)
Apr 27, 2012	70.75	71.05	70.30	70.67	263,300	-0.03(-0.04%)
Apr 26, 2012	70.02	70.90	70.01	70.70	243,005	+0.54(+0.77%)
Apr 25, 2012	70.97	70.97	70.05	70.16	198,125	-0.37(-0.52%)
Apr 24, 2012	70.71	71.00	70.21	70.53	168,201	-0.09(-0.13%)
Apr 23, 2012	70.70	70.96	70.08	70.62	177,361	-0.16(-0.23%)
Apr 20, 2012	71.15	71.31	70.56	70.78	313,708	-0.18(-0.25%)
Apr 19, 2012	70.88	71.19	70.75	70.96	255,648	+0.07(+0.10%)
Apr 18, 2012	71.39	71.49	70.76	70.89	221,598	-0.67(-0.94%)
Apr 17, 2012	71.06	71.80	70.95	71.56	169,307	+0.74(+1.04%)
Apr 16, 2012	71.34	71.36	70.63	70.82	145,835	-0.17(-0.24%)
Apr 13, 2012	70.53	71.10	70.39	70.99	143,425	+0.29(+0.41%)
Apr 12, 2012	70.80	70.98	70.49	70.70	196,528	+0.20(+0.28%)
Apr 11, 2012	70.31	70.95	70.00	70.50	132,211	+0.36(+0.51%)
Apr 10, 2012	71.29	71.54	69.66	70.14	259,950	-1.35(-1.89%)
Apr 09, 2012	71.06	71.50	70.84	71.49	140,190	-0.28(-0.39%)
Apr 05, 2012	71.25	72.24	71.24	71.77	248,856	+0.25(+0.35%)
Apr 04, 2012	72.02	72.21	71.04	71.52	200,798	-0.75(-1.04%)
Apr 03, 2012	71.80	72.40	71.09	72.27	283,801	+0.25(+0.35%)
Apr 02, 2012	72.40	72.91	71.46	72.02	239,452	-0.32(-0.44%)
Mar 30, 2012	71.99	72.65	71.71	72.34	193,366	+0.45(+0.63%)
Mar 29, 2012	72.55	72.88	71.10	71.89	179,407	-1.06(-1.45%)
Mar 28, 2012	72.90	73.19	72.38	72.95	142,936	-0.11(-0.15%)
Mar 27, 2012	72.72	73.39	72.69	73.06	139,231	+0.19(+0.26%)
Mar 26, 2012	73.00	73.23	72.12	72.87	120,304	+0.21(+0.29%)
Mar 23, 2012	72.00	73.15	71.75	72.66	167,200	+0.21(+0.29%)
Mar 22, 2012	72.64	72.64	71.78	72.45	181,392	-0.36(-0.49%)
Mar 21, 2012	72.66	72.99	71.75	72.81	229,067	+0.51(+0.71%)
Mar 20, 2012	72.12	72.56	71.85	72.30	233,185	+0.02(+0.03%)
Mar 19, 2012	70.63	72.52	70.59	72.28	250,591	+1.70(+2.41%)
Mar 16, 2012	70.90	71.33	70.31	70.58	414,828	-0.34(-0.48%)
Mar 15, 2012	70.86	71.40	70.15	70.92	354,475	-0.21(-0.30%)
Mar 14, 2012	72.20	72.20	70.56	71.13	282,900	-1.10(-1.52%)
Mar 13, 2012	72.05	72.23	71.60	72.23	171,247	+0.13(+0.18%)
Mar 12, 2012	72.57	72.61	71.72	72.10	169,505	-0.26(-0.36%)
Mar 09, 2012	71.66	72.57	71.48	72.36	169,387	+0.50(+0.70%)
Mar 08, 2012	72.55	72.91	71.50	71.86	174,847	-0.67(-0.92%)
Mar 07, 2012	71.40	72.54	71.14	72.53	204,544	+1.11(+1.55%)
Mar 06, 2012	71.11	71.76	70.65	71.42	252,986	-0.33(-0.46%)
Mar 05, 2012	72.00	72.22	71.04	71.75	262,816	-0.47(-0.65%)
Mar 02, 2012	72.29	73.28	71.77	72.22	246,851	-1.15(-1.57%)
Mar 01, 2012	73.04	73.74	72.85	73.37	228,888	+0.20(+0.27%)
Feb 29, 2012	72.70	73.23	72.35	73.17	292,265	+0.49(+0.67%)
Feb 28, 2012	72.90	73.29	71.96	72.68	171,312	-0.25(-0.34%)
Feb 27, 2012	72.88	73.32	72.54	72.93	176,081	+0.05(+0.07%)
Feb 24, 2012	72.67	72.88	72.21	72.88	252,460	+0.53(+0.73%)
Feb 23, 2012	72.13	72.39	71.64	72.35	135,073	+0.50(+0.70%)
Feb 22, 2012	72.06	72.53	71.07	71.85	237,269	-0.19(-0.26%)
Feb 21, 2012	71.50	72.06	71.29	72.04	253,684	+0.80(+1.12%)
Feb 17, 2012	70.86	71.60	70.43	71.24	229,923	+0.36(+0.51%)
Feb 16, 2012	70.36	70.93	70.15	70.88	350,379	+0.71(+1.01%)
Feb 15, 2012	69.71	70.17	69.27	70.17	482,365	+0.81(+1.17%)
Feb 14, 2012	69.51	69.89	69.25	69.36	347,954	-0.17(-0.24%)
Feb 13, 2012	69.50	69.73	69.27	69.53	247,926	+0.26(+0.38%)
Feb 10, 2012	68.84	69.43	68.29	69.27	263,354	+0.26(+0.38%)
Feb 09, 2012	69.05	69.25	68.87	69.01	208,445	+0.01(+0.01%)
Feb 08, 2012	68.25	69.10	68.13	69.00	361,241	+0.55(+0.80%)
Feb 07, 2012	68.20	68.86	67.51	68.45	333,591	+0.24(+0.35%)
Feb 06, 2012	67.70	68.21	67.19	68.21	148,023	+0.35(+0.52%)
Feb 03, 2012	67.43	67.95	66.90	67.86	202,865	-0.14(-0.21%)
Feb 02, 2012	67.49	68.21	67.24	68.00	242,388	+0.41(+0.61%)

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