Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	53.56	53.78	53.51	53.67	1,325,842	+0.11(+0.21%)
Apr 28, 2011	53.40	53.63	53.35	53.56	1,921,746	+0.07(+0.13%)
Apr 27, 2011	53.32	53.54	52.98	53.49	1,660,691	+0.29(+0.55%)
Apr 26, 2011	52.91	53.30	52.83	53.20	1,381,604	+0.46(+0.88%)
Apr 25, 2011	52.83	52.85	52.55	52.73	2,312,717	-0.10(-0.20%)
Apr 21, 2011	52.72	52.85	52.59	52.84	1,383,435	+0.39(+0.74%)
Apr 20, 2011	52.24	52.49	52.16	52.45	2,333,249	+0.93(+1.80%)
Apr 19, 2011	51.33	51.54	51.18	51.52	2,387,651	+0.28(+0.55%)
Apr 18, 2011	51.21	51.30	50.72	51.24	2,247,365	-0.52(-1.00%)
Apr 15, 2011	51.75	51.88	51.45	51.75	3,010,188	+0.14(+0.27%)
Apr 14, 2011	51.30	51.69	51.14	51.62	3,366,185	+0.00(+0.00%)
Apr 13, 2011	51.71	51.80	51.34	51.62	2,664,562	+0.18(+0.35%)
Apr 12, 2011	51.54	51.66	51.25	51.44	1,894,917	-0.40(-0.78%)
Apr 11, 2011	52.09	52.22	51.69	51.84	2,715,223	-0.19(-0.36%)
Apr 08, 2011	52.48	52.50	51.78	52.03	1,731,510	-0.21(-0.41%)
Apr 07, 2011	52.27	52.50	51.95	52.24	1,963,533	-0.09(-0.16%)
Apr 06, 2011	52.54	52.61	52.15	52.33	3,723,656	+0.05(+0.10%)
Apr 05, 2011	52.08	52.51	52.08	52.28	2,428,132	+0.08(+0.15%)
Apr 04, 2011	52.31	52.39	52.06	52.20	1,907,410	+0.03(+0.05%)
Apr 01, 2011	52.35	52.43	52.05	52.18	2,223,198	+0.21(+0.41%)
Mar 31, 2011	51.94	52.08	51.86	51.96	3,698,264	-0.01(-0.02%)
Mar 30, 2011	51.97	51.97	51.97	51.97	3,969,056	+0.34(+0.67%)
Mar 29, 2011	51.23	51.65	51.05	51.63	3,055,126	+0.35(+0.69%)
Mar 28, 2011	51.49	51.66	51.26	51.27	2,683,854	-0.13(-0.25%)
Mar 25, 2011	51.38	51.66	51.29	51.40	4,325,280	+0.17(+0.34%)
Mar 24, 2011	50.97	51.30	50.71	51.23	3,321,292	+0.58(+1.15%)
Mar 23, 2011	50.32	50.79	50.07	50.65	3,106,254	+0.21(+0.42%)
Mar 22, 2011	50.57	50.64	50.35	50.43	1,887,641	-0.12(-0.24%)
Mar 21, 2011	50.62	50.69	50.49	50.55	2,931,269	+0.86(+1.72%)
Mar 18, 2011	50.24	50.36	49.62	49.70	3,800,486	+0.04(+0.09%)
Mar 17, 2011	49.85	49.96	49.48	49.65	3,762,708	+0.40(+0.80%)
Mar 16, 2011	49.95	50.09	48.76	49.26	5,700,291	-0.82(-1.65%)
Mar 15, 2011	49.82	50.35	49.77	50.08	5,188,391	-0.56(-1.10%)
Mar 14, 2011	50.66	50.83	50.24	50.64	3,194,367	-0.26(-0.50%)
Mar 11, 2011	50.36	51.07	50.32	50.90	4,218,283	+0.35(+0.69%)
Mar 10, 2011	50.93	50.97	50.48	50.55	2,945,826	-0.94(-1.83%)
Mar 09, 2011	51.52	51.64	51.21	51.49	2,472,459	-0.12(-0.23%)
Mar 08, 2011	51.32	51.81	51.04	51.61	5,300,235	+0.30(+0.58%)
Mar 07, 2011	52.01	52.10	47.96	51.31	2,754,259	-0.52(-1.01%)
Mar 04, 2011	52.11	52.22	51.50	51.83	3,406,865	-0.34(-0.66%)
Mar 03, 2011	51.69	52.22	51.69	52.17	2,115,192	+0.91(+1.77%)
Mar 02, 2011	50.96	51.49	50.96	51.27	2,651,031	+0.16(+0.32%)
Mar 01, 2011	52.18	52.18	51.04	51.10	3,110,896	-0.86(-1.65%)
Feb 28, 2011	51.98	52.07	51.65	51.96	3,182,784	+0.26(+0.50%)
Feb 25, 2011	51.39	51.77	51.36	51.70	3,906,005	+0.57(+1.11%)
Feb 24, 2011	51.10	51.37	50.65	51.14	3,788,165	-0.01(-0.02%)
Feb 23, 2011	51.57	51.61	50.76	51.15	4,128,907	-0.41(-0.80%)
Feb 22, 2011	52.16	52.42	51.46	51.56	5,642,699	-1.13(-2.15%)
Feb 18, 2011	52.68	52.78	52.51	52.69	1,754,926	+0.06(+0.11%)
Feb 17, 2011	52.31	52.67	52.30	52.63	1,653,488	+0.12(+0.23%)
Feb 16, 2011	52.37	52.60	52.28	52.51	2,992,410	+0.37(+0.70%)
Feb 15, 2011	52.16	52.27	51.98	52.14	1,688,354	-0.20(-0.38%)
Feb 14, 2011	52.17	52.40	52.15	52.34	1,914,530	+0.14(+0.26%)
Feb 11, 2011	51.74	52.23	51.64	52.20	2,740,502	+0.36(+0.69%)
Feb 10, 2011	51.50	51.89	51.40	51.84	3,439,403	+0.02(+0.03%)
Feb 09, 2011	51.80	51.95	51.59	51.82	3,210,798	-0.09(-0.17%)
Feb 08, 2011	51.75	51.91	51.56	51.91	2,930,835	+0.23(+0.45%)
Feb 07, 2011	51.52	51.86	51.46	51.68	3,262,977	+0.31(+0.60%)
Feb 04, 2011	51.15	51.38	51.00	51.37	2,440,528	+0.27(+0.54%)
Feb 03, 2011	50.97	51.19	50.65	51.09	2,353,839	+0.12(+0.24%)
Feb 02, 2011	50.86	51.13	50.86	50.97	2,738,151	-0.04(-0.08%)

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