Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	57.73	57.99	57.39	57.73	392,620	+0.41(+0.72%)
May 30, 2012	57.48	57.72	57.27	57.32	652,104	-0.53(-0.92%)
May 29, 2012	57.88	58.30	57.59	57.85	579,398	+0.19(+0.33%)
May 25, 2012	57.83	57.92	57.52	57.66	265,829	-0.30(-0.52%)
May 24, 2012	58.00	58.18	57.62	57.96	477,827	-0.04(-0.06%)
May 23, 2012	57.95	58.02	57.26	58.00	320,808	+0.02(+0.04%)
May 22, 2012	58.13	58.51	57.70	57.98	375,626	+0.39(+0.68%)
May 21, 2012	56.89	57.65	56.87	57.59	760,546	+0.48(+0.84%)
May 18, 2012	57.70	57.82	56.96	57.11	487,292	-0.86(-1.49%)
May 17, 2012	58.20	58.43	57.92	57.97	1,173,980	+0.37(+0.64%)
May 16, 2012	58.11	58.34	57.53	57.60	749,948	-1.19(-2.02%)
May 15, 2012	59.25	59.27	58.67	58.79	572,588	-1.05(-1.76%)
May 14, 2012	60.06	60.21	59.76	59.84	513,643	-0.76(-1.25%)
May 11, 2012	60.84	61.27	60.55	60.60	597,886	+0.74(+1.23%)
May 10, 2012	60.26	60.35	59.82	59.86	636,119	-0.62(-1.02%)
May 09, 2012	59.45	60.81	59.22	60.48	1,053,908	+1.79(+3.04%)
May 08, 2012	58.64	58.78	58.11	58.69	582,997	-0.39(-0.66%)
May 07, 2012	58.74	59.20	58.61	59.08	336,091	+0.04(+0.08%)
May 04, 2012	59.14	59.19	58.86	59.04	793,014	-0.44(-0.74%)
May 03, 2012	59.92	59.94	59.45	59.48	518,773	-0.47(-0.79%)
May 02, 2012	59.76	60.13	59.57	59.95	422,805	-0.23(-0.37%)
May 01, 2012	59.72	60.48	59.72	60.18	726,851	-1.22(-1.99%)
Apr 30, 2012	61.60	61.60	61.09	61.40	475,435	-0.38(-0.62%)
Apr 27, 2012	61.63	61.93	61.47	61.78	360,238	+0.35(+0.56%)
Apr 26, 2012	60.77	61.57	60.77	61.44	266,238	+0.35(+0.58%)
Apr 25, 2012	60.81	61.12	60.72	61.09	440,471	+0.47(+0.78%)
Apr 24, 2012	60.65	60.87	60.42	60.61	472,693	+0.98(+1.64%)
Apr 23, 2012	59.63	59.72	59.25	59.64	845,053	-0.83(-1.38%)
Apr 20, 2012	60.83	60.95	60.44	60.47	826,930	-0.94(-1.53%)
Apr 19, 2012	61.91	62.12	61.31	61.41	550,710	+0.18(+0.29%)
Apr 18, 2012	61.05	61.45	60.97	61.23	527,720	+0.08(+0.14%)
Apr 17, 2012	60.90	61.53	60.77	61.15	451,402	+0.15(+0.25%)
Apr 16, 2012	61.42	61.45	60.84	60.99	356,518	-0.14(-0.22%)
Apr 13, 2012	61.48	61.49	60.87	61.13	596,963	-1.19(-1.92%)
Apr 12, 2012	61.69	62.40	61.65	62.32	441,043	+0.38(+0.61%)
Apr 11, 2012	61.88	62.01	61.39	61.95	638,807	+1.18(+1.94%)
Apr 10, 2012	61.54	61.88	60.58	60.77	992,651	-0.57(-0.93%)
Apr 09, 2012	61.27	61.59	61.12	61.34	586,667	-1.62(-2.58%)
Apr 05, 2012	62.54	63.01	62.48	62.96	439,239	+0.20(+0.31%)
Apr 04, 2012	62.89	62.95	62.29	62.77	834,996	-1.97(-3.04%)
Apr 03, 2012	65.06	65.15	64.37	64.73	582,504	-0.35(-0.54%)
Apr 02, 2012	64.31	65.30	64.29	65.09	738,913	-0.10(-0.15%)
Mar 30, 2012	65.41	65.43	64.97	65.18	360,089	+0.57(+0.88%)
Mar 29, 2012	64.42	64.70	64.15	64.61	500,719	-0.48(-0.74%)
Mar 28, 2012	65.39	65.42	64.73	65.09	974,209	+0.80(+1.24%)
Mar 27, 2012	64.46	64.57	64.12	64.30	639,500	+0.97(+1.53%)
Mar 26, 2012	63.21	63.51	62.92	63.33	744,534	+0.44(+0.70%)
Mar 23, 2012	62.59	62.89	62.29	62.89	582,666	-0.50(-0.79%)
Mar 22, 2012	63.04	63.61	63.04	63.39	688,438	+0.35(+0.56%)
Mar 21, 2012	63.12	63.24	62.91	63.04	377,570	-0.53(-0.83%)
Mar 20, 2012	63.39	63.71	63.14	63.56	404,538	-0.44(-0.68%)
Mar 19, 2012	63.97	64.03	63.66	64.00	420,919	-0.12(-0.19%)
Mar 16, 2012	64.40	64.46	64.10	64.12	490,387	+0.05(+0.07%)
Mar 15, 2012	63.89	64.14	63.66	64.07	787,473	+1.35(+2.15%)
Mar 14, 2012	63.11	63.22	62.55	62.72	459,094	-0.32(-0.51%)
Mar 13, 2012	62.39	63.06	62.38	63.04	410,193	+0.89(+1.44%)
Mar 12, 2012	62.45	62.45	62.02	62.15	361,396	-0.77(-1.23%)
Mar 09, 2012	62.65	63.02	62.57	62.92	669,917	+0.97(+1.56%)
Mar 08, 2012	61.70	61.98	61.63	61.96	602,529	+1.35(+2.23%)
Mar 07, 2012	60.39	60.67	60.27	60.60	451,461	+0.43(+0.71%)
Mar 06, 2012	60.30	60.30	59.84	60.18	814,647	-0.82(-1.34%)
Mar 05, 2012	61.10	61.15	60.73	60.99	698,278	-0.25(-0.40%)
Mar 02, 2012	61.12	61.26	60.69	61.24	1,114,178	-1.13(-1.81%)

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