Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2013	57.86	58.19	57.14	57.15	743,983	-0.28(-0.48%)
Feb 27, 2013	56.59	57.66	56.25	57.43	614,862	+0.72(+1.26%)
Feb 26, 2013	56.48	56.83	56.03	56.71	402,452	+0.50(+0.90%)
Feb 25, 2013	57.02	57.78	56.21	56.21	786,280	-0.66(-1.16%)
Feb 22, 2013	56.05	56.99	55.93	56.86	647,351	+1.11(+1.99%)
Feb 21, 2013	56.73	56.73	55.61	55.75	700,760	-0.85(-1.51%)
Feb 20, 2013	57.57	57.67	56.60	56.61	1,121,240	-0.96(-1.67%)
Feb 19, 2013	56.43	58.40	56.40	57.57	1,760,720	+1.18(+2.09%)
Feb 15, 2013	56.18	56.64	55.99	56.40	613,920	+0.13(+0.23%)
Feb 14, 2013	56.56	56.84	56.21	56.26	445,510	-0.47(-0.84%)
Feb 13, 2013	56.25	56.86	56.13	56.74	665,784	+0.54(+0.96%)
Feb 12, 2013	55.40	56.35	54.95	56.20	552,968	+0.69(+1.24%)
Feb 11, 2013	55.81	55.99	55.43	55.51	578,166	-0.30(-0.54%)
Feb 08, 2013	55.51	56.45	55.45	55.81	496,786	+0.31(+0.55%)
Feb 07, 2013	55.33	55.88	54.95	55.51	582,703	-0.07(-0.12%)
Feb 06, 2013	55.36	55.72	55.29	55.57	816,328	-0.46(-0.82%)
Feb 04, 2013	55.81	56.25	55.59	56.03	857,920	-0.05(-0.09%)
Feb 01, 2013	55.99	56.54	55.37	56.08	1,099,478	+0.42(+0.75%)
Jan 31, 2013	53.96	55.78	53.88	55.67	1,333,816	+1.35(+2.49%)
Jan 30, 2013	54.22	54.88	54.16	54.31	1,079,115	+0.44(+0.81%)
Jan 29, 2013	52.77	54.17	52.67	53.88	1,498,252	+2.50(+4.86%)
Jan 28, 2013	51.14	51.52	50.68	51.38	709,354	+0.33(+0.64%)
Jan 25, 2013	50.53	51.06	50.39	51.05	721,651	+0.74(+1.47%)
Jan 24, 2013	50.15	50.60	50.06	50.31	931,531	+0.13(+0.26%)
Jan 23, 2013	49.47	50.23	49.43	50.18	518,046	+0.76(+1.54%)
Jan 22, 2013	49.43	49.49	49.05	49.42	231,252	+0.01(+0.01%)
Jan 18, 2013	48.93	49.60	48.63	49.41	315,807	+0.52(+1.06%)
Jan 17, 2013	48.65	49.27	48.39	48.89	681,480	+0.28(+0.57%)
Jan 16, 2013	47.97	48.85	47.78	48.62	530,058	+0.61(+1.28%)
Jan 15, 2013	47.05	48.18	46.83	48.00	491,190	+0.67(+1.42%)
Jan 14, 2013	46.75	47.34	46.70	47.33	560,872	+0.58(+1.23%)
Jan 11, 2013	46.96	47.02	46.62	46.75	478,112	-0.21(-0.45%)
Jan 10, 2013	47.34	47.34	46.91	46.97	602,571	-0.18(-0.37%)
Jan 09, 2013	47.51	47.62	47.00	47.14	736,602	-0.22(-0.46%)
Jan 08, 2013	47.34	47.51	47.30	47.36	611,162	+0.01(+0.02%)
Jan 07, 2013	47.39	47.62	47.32	47.35	812,152	-0.01(-0.03%)
Jan 04, 2013	47.49	47.83	47.35	47.37	621,669	-0.12(-0.25%)
Jan 03, 2013	46.44	47.96	46.44	47.48	741,609	+0.14(+0.29%)
Jan 02, 2013	47.65	47.65	46.93	47.35	568,097	+0.52(+1.11%)
Dec 31, 2012	45.58	46.92	45.42	46.83	360,814	+1.04(+2.28%)
Dec 28, 2012	45.55	46.10	45.53	45.78	419,799	-0.06(-0.13%)
Dec 27, 2012	45.64	45.98	45.35	45.84	295,098	+0.34(+0.75%)
Dec 26, 2012	46.00	46.15	45.40	45.50	433,089	-0.54(-1.17%)
Dec 24, 2012	46.56	46.56	45.79	46.04	346,399	-0.37(-0.80%)
Dec 21, 2012	46.62	47.23	46.35	46.41	1,336,130	-0.85(-1.81%)
Dec 20, 2012	47.24	47.50	46.70	47.26	668,277	-0.01(-0.02%)
Dec 19, 2012	48.05	48.08	46.99	47.27	899,125	-0.69(-1.43%)
Dec 18, 2012	47.90	48.06	47.75	47.96	752,622	+0.04(+0.09%)
Dec 17, 2012	47.94	48.14	47.71	47.91	861,935	+0.14(+0.29%)
Dec 14, 2012	48.90	48.90	47.73	47.78	601,018	-0.46(-0.95%)
Dec 13, 2012	48.34	48.59	48.01	48.23	638,861	-0.12(-0.26%)
Dec 12, 2012	48.34	48.68	48.19	48.36	423,950	+0.13(+0.27%)
Dec 11, 2012	48.65	49.27	48.14	48.23	730,686	-0.03(-0.06%)
Dec 10, 2012	47.29	48.31	47.04	48.26	857,758	+0.88(+1.86%)
Dec 07, 2012	47.22	47.49	46.86	47.38	556,341	+0.33(+0.69%)
Dec 06, 2012	47.15	47.43	46.90	47.05	766,826	-0.22(-0.46%)
Dec 05, 2012	47.19	48.30	47.12	47.27	1,215,523	+0.60(+1.29%)

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