Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	51.99	52.22	51.66	52.04	2,321,910	-0.01(-0.02%)
Apr 27, 2012	51.76	52.26	51.75	52.04	1,948,591	+0.34(+0.66%)
Apr 26, 2012	51.43	51.89	51.31	51.70	1,994,466	+0.18(+0.35%)
Apr 25, 2012	51.09	51.86	50.87	51.52	3,091,400	+1.00(+1.97%)
Apr 24, 2012	50.89	50.95	50.33	50.53	3,545,269	-0.41(-0.81%)
Apr 23, 2012	50.90	51.06	50.37	50.94	5,002,730	-0.45(-0.87%)
Apr 20, 2012	51.96	52.95	50.23	51.39	14,697,698	-3.28(-5.99%)
Apr 19, 2012	55.02	55.46	54.23	54.67	2,300,754	-0.47(-0.85%)
Apr 18, 2012	55.20	55.49	54.79	55.14	1,737,231	-0.10(-0.19%)
Apr 17, 2012	54.52	55.38	54.40	55.24	2,337,536	+1.10(+2.04%)
Apr 16, 2012	54.37	54.41	53.71	54.14	2,417,251	-0.03(-0.05%)
Apr 13, 2012	54.00	54.62	53.65	54.16	2,553,766	-0.23(-0.43%)
Apr 12, 2012	53.97	54.45	53.86	54.40	1,766,912	+0.51(+0.95%)
Apr 11, 2012	52.91	53.91	52.65	53.88	2,868,705	+1.29(+2.46%)
Apr 10, 2012	52.82	53.16	52.39	52.59	2,422,606	-0.46(-0.87%)
Apr 09, 2012	52.87	53.24	52.60	53.05	1,571,180	-0.60(-1.11%)
Apr 05, 2012	52.95	53.73	52.86	53.65	1,571,701	+0.48(+0.91%)
Apr 04, 2012	53.55	53.70	52.88	53.17	1,101,403	-0.85(-1.57%)
Apr 03, 2012	54.07	54.09	53.54	54.02	1,754,033	-0.26(-0.48%)
Apr 02, 2012	53.78	54.55	53.48	54.28	2,020,538	+0.41(+0.76%)
Mar 30, 2012	53.86	54.09	53.46	53.86	2,764,146	+0.30(+0.55%)
Mar 29, 2012	53.09	53.67	52.75	53.57	2,519,470	+0.29(+0.54%)
Mar 28, 2012	53.01	53.31	52.75	53.28	2,466,430	+0.03(+0.05%)
Mar 27, 2012	52.78	53.41	52.38	53.26	2,889,262	+0.67(+1.28%)
Mar 26, 2012	52.16	52.71	51.92	52.58	2,171,577	+0.91(+1.77%)
Mar 23, 2012	51.81	51.96	51.01	51.67	3,168,397	-0.02(-0.03%)
Mar 22, 2012	52.44	52.89	51.63	51.69	4,951,951	-2.14(-3.98%)
Mar 21, 2012	53.76	53.97	53.52	53.83	1,256,494	+0.07(+0.13%)
Mar 20, 2012	53.61	53.83	53.41	53.76	1,037,562	-0.26(-0.48%)
Mar 19, 2012	53.56	54.40	53.56	54.02	1,239,178	+0.17(+0.32%)
Mar 16, 2012	53.77	54.22	53.63	53.85	3,026,281	-0.04(-0.07%)
Mar 15, 2012	53.43	53.91	52.98	53.88	1,752,345	+0.44(+0.82%)
Mar 14, 2012	53.39	53.61	53.22	53.44	1,737,124	-0.11(-0.20%)
Mar 13, 2012	52.63	53.56	52.37	53.55	1,661,741	+1.07(+2.03%)
Mar 12, 2012	52.20	52.60	52.07	52.49	1,190,146	+0.40(+0.77%)
Mar 09, 2012	51.59	52.08	51.17	52.08	1,791,753	+0.85(+1.66%)
Mar 08, 2012	51.37	51.51	51.11	51.23	1,874,344	+0.08(+0.16%)
Mar 07, 2012	50.53	51.48	50.37	51.15	3,172,446	+0.94(+1.87%)
Mar 06, 2012	50.60	51.10	50.09	50.21	1,855,070	-0.71(-1.39%)
Mar 05, 2012	51.15	51.38	50.53	50.92	1,610,010	-0.36(-0.70%)
Mar 02, 2012	51.83	51.87	51.20	51.28	1,593,234	-0.60(-1.16%)
Mar 01, 2012	52.14	52.24	51.68	51.88	2,547,753	+0.09(+0.17%)
Feb 29, 2012	51.74	51.94	51.45	51.79	2,891,631	+0.05(+0.10%)
Feb 28, 2012	51.92	52.13	51.45	51.73	1,810,889	-0.10(-0.19%)
Feb 27, 2012	51.67	52.18	51.53	51.83	1,991,762	-0.15(-0.29%)
Feb 24, 2012	52.58	52.98	51.96	51.98	2,813,367	-0.56(-1.06%)
Feb 23, 2012	52.90	53.72	52.41	52.54	6,992,794	-2.01(-3.68%)
Feb 22, 2012	52.90	55.81	52.27	54.55	7,406,219	+3.04(+5.91%)
Feb 21, 2012	51.74	51.88	51.22	51.50	2,459,897	+0.13(+0.24%)
Feb 17, 2012	51.83	51.94	51.31	51.38	2,041,455	-0.56(-1.09%)
Feb 16, 2012	50.88	52.01	50.77	51.94	1,850,609	+1.22(+2.40%)
Feb 15, 2012	51.08	51.24	50.53	50.72	1,947,337	-0.11(-0.21%)
Feb 14, 2012	50.52	50.84	50.50	50.83	2,295,254	+0.16(+0.32%)
Feb 13, 2012	51.08	51.19	50.66	50.67	2,032,203	-0.08(-0.16%)
Feb 10, 2012	51.02	51.12	50.44	50.75	2,508,720	-0.82(-1.60%)
Feb 09, 2012	51.53	51.87	51.23	51.57	1,812,981	+0.04(+0.07%)
Feb 08, 2012	51.54	51.64	50.53	51.54	1,957,055	-0.05(-0.10%)
Feb 07, 2012	51.67	51.79	51.29	51.59	2,246,531	-0.25(-0.48%)
Feb 06, 2012	51.82	52.33	51.77	51.84	2,409,140	-0.51(-0.97%)
Feb 03, 2012	52.15	52.74	52.08	52.35	1,743,745	+0.55(+1.05%)
Feb 02, 2012	51.82	52.33	51.65	51.81	1,184,175	-0.02(-0.03%)

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