Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	57.25	57.29	56.59	56.59	1,003,910	-0.66(-1.16%)
Apr 27, 2012	56.98	57.34	56.29	57.25	2,877,805	+0.48(+0.85%)
Apr 26, 2012	56.35	56.87	56.20	56.77	901,994	+0.44(+0.78%)
Apr 25, 2012	56.37	56.70	56.07	56.33	1,957,227	+0.72(+1.30%)
Apr 24, 2012	55.05	55.71	54.94	55.60	1,708,102	+0.54(+0.99%)
Apr 23, 2012	55.01	55.11	54.63	55.06	2,077,573	-0.76(-1.37%)
Apr 20, 2012	55.83	56.32	55.74	55.82	1,913,678	+0.39(+0.70%)
Apr 19, 2012	55.76	56.12	55.08	55.44	3,870,970	-0.24(-0.44%)
Apr 18, 2012	55.92	56.10	55.48	55.68	1,599,213	-0.60(-1.06%)
Apr 17, 2012	55.99	56.75	55.85	56.28	1,749,644	+0.81(+1.46%)
Apr 16, 2012	55.45	55.84	54.88	55.47	2,645,470	+0.30(+0.54%)
Apr 13, 2012	55.81	55.85	55.14	55.17	2,164,838	-0.87(-1.55%)
Apr 12, 2012	55.33	56.23	55.25	56.03	2,035,794	+0.81(+1.47%)
Apr 11, 2012	54.92	55.29	54.85	55.22	2,454,018	+0.73(+1.34%)
Apr 10, 2012	55.48	55.67	54.39	54.49	3,627,923	-1.28(-2.29%)
Apr 09, 2012	55.66	55.96	55.47	55.77	1,461,485	-0.85(-1.50%)
Apr 05, 2012	56.65	56.96	56.51	56.62	4,081,478	-0.31(-0.55%)
Apr 04, 2012	57.18	57.25	56.62	56.93	2,092,610	-0.86(-1.49%)
Apr 03, 2012	58.19	58.37	57.55	57.79	3,564,315	-0.44(-0.76%)
Apr 02, 2012	57.29	58.25	57.23	58.23	3,987,620	+0.77(+1.34%)
Mar 30, 2012	58.08	58.08	57.35	57.46	2,100,999	-0.23(-0.40%)
Mar 29, 2012	57.47	57.82	56.97	57.69	1,816,594	-0.16(-0.27%)
Mar 28, 2012	58.05	58.15	57.36	57.85	2,068,700	-0.10(-0.18%)
Mar 27, 2012	58.48	58.59	57.95	57.95	1,445,069	-0.45(-0.77%)
Mar 26, 2012	57.99	58.44	57.91	58.40	2,106,929	+1.08(+1.88%)
Mar 23, 2012	56.81	57.38	56.31	57.32	2,698,618	+0.54(+0.94%)
Mar 22, 2012	56.74	56.96	56.40	56.78	2,026,214	-0.55(-0.95%)
Mar 21, 2012	57.55	57.70	57.19	57.33	2,291,923	-0.08(-0.14%)
Mar 20, 2012	57.45	57.68	57.20	57.41	1,612,742	-0.49(-0.85%)
Mar 19, 2012	57.28	58.34	57.17	57.90	2,934,879	+0.53(+0.92%)
Mar 16, 2012	57.50	57.51	57.10	57.38	1,451,885	-0.02(-0.04%)
Mar 15, 2012	56.80	57.41	56.66	57.40	4,016,005	+0.52(+0.91%)
Mar 14, 2012	57.31	57.46	56.65	56.88	2,276,316	-0.47(-0.82%)
Mar 13, 2012	56.56	57.37	56.37	57.35	3,400,847	+1.22(+2.18%)
Mar 12, 2012	56.30	56.35	55.85	56.13	1,061,390	-0.06(-0.11%)
Mar 09, 2012	55.37	56.53	55.37	56.19	1,809,570	+0.77(+1.39%)
Mar 08, 2012	55.20	55.52	54.66	55.43	1,333,001	+0.60(+1.09%)
Mar 07, 2012	54.46	54.85	54.33	54.83	2,009,194	+0.50(+0.92%)
Mar 06, 2012	54.66	54.98	54.14	54.33	5,748,151	-1.01(-1.83%)
Mar 05, 2012	54.93	55.40	54.68	55.34	2,861,116	+0.18(+0.33%)
Mar 02, 2012	55.93	56.12	54.95	55.16	3,149,961	-0.79(-1.42%)
Mar 01, 2012	56.05	56.66	55.95	55.95	3,075,223	+0.22(+0.39%)
Feb 29, 2012	56.81	57.10	55.73	55.73	7,078,409	-0.89(-1.58%)
Feb 28, 2012	56.81	57.11	56.32	56.63	1,728,634	-0.17(-0.30%)
Feb 27, 2012	56.27	57.04	55.92	56.80	2,053,459	-0.07(-0.12%)
Feb 24, 2012	57.14	57.17	56.77	56.87	2,026,355	-0.21(-0.37%)
Feb 23, 2012	56.33	57.13	56.12	57.08	3,905,491	+0.75(+1.34%)
Feb 22, 2012	56.81	57.02	56.31	56.33	1,317,813	-0.62(-1.09%)
Feb 21, 2012	57.38	57.46	56.69	56.95	1,300,082	-0.38(-0.66%)
Feb 17, 2012	57.55	57.56	57.25	57.32	1,483,083	+0.10(+0.18%)
Feb 16, 2012	56.14	57.30	56.12	57.22	1,976,947	+1.11(+1.98%)
Feb 15, 2012	56.97	56.97	55.94	56.11	2,210,556	-0.51(-0.90%)
Feb 14, 2012	56.67	56.76	56.19	56.62	1,594,938	-0.28(-0.50%)
Feb 13, 2012	56.84	57.02	56.48	56.90	2,631,742	+0.65(+1.16%)
Feb 10, 2012	56.48	56.59	56.15	56.25	1,310,516	-0.79(-1.39%)
Feb 09, 2012	57.51	57.55	56.74	57.04	1,582,607	-0.30(-0.52%)
Feb 08, 2012	57.34	57.78	56.84	57.34	2,863,655	+0.16(+0.27%)
Feb 07, 2012	57.17	57.52	56.92	57.18	1,689,464	-0.09(-0.16%)
Feb 06, 2012	57.19	57.47	57.09	57.28	1,926,893	-0.24(-0.41%)
Feb 03, 2012	57.26	57.72	57.03	57.51	1,978,953	+1.19(+2.12%)
Feb 02, 2012	56.20	56.54	55.95	56.32	4,093,658	+0.29(+0.53%)

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