Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	57.43	57.53	57.30	57.43	4,160,980	+0.01(+0.02%)
Feb 28, 2012	57.30	57.47	57.30	57.41	1,736,057	+0.20(+0.35%)
Feb 27, 2012	57.23	57.36	57.17	57.21	2,091,133	-0.03(-0.05%)
Feb 24, 2012	57.20	57.34	55.92	57.24	2,032,081	+0.06(+0.10%)
Feb 23, 2012	56.96	57.28	56.87	57.18	3,443,847	+0.34(+0.60%)
Feb 22, 2012	56.74	56.93	56.73	56.84	2,780,202	+0.14(+0.25%)
Feb 21, 2012	56.65	56.83	56.51	56.70	2,814,814	+0.19(+0.33%)
Feb 17, 2012	56.64	56.64	56.38	56.51	2,453,721	+0.06(+0.10%)
Feb 16, 2012	56.34	56.53	56.14	56.45	3,908,057	+0.21(+0.38%)
Feb 15, 2012	56.50	56.60	56.22	56.24	2,755,859	-0.24(-0.43%)
Feb 14, 2012	56.58	56.60	56.48	56.48	4,205,923	-0.06(-0.10%)
Feb 13, 2012	56.73	56.74	56.51	56.54	3,439,898	+0.00(+0.00%)
Feb 10, 2012	56.55	56.65	56.50	56.54	4,589,424	-0.30(-0.53%)
Feb 09, 2012	56.78	56.88	56.65	56.84	11,254,362	+0.11(+0.20%)
Feb 08, 2012	56.78	56.85	56.63	56.73	3,587,843	+0.04(+0.08%)
Feb 07, 2012	56.65	56.81	56.51	56.68	5,243,373	+0.10(+0.18%)
Feb 06, 2012	56.57	56.58	56.41	56.58	2,451,663	+0.01(+0.03%)
Feb 03, 2012	56.68	56.71	56.47	56.57	2,854,007	+0.14(+0.25%)
Feb 02, 2012	56.48	56.48	56.31	56.43	3,160,199	-0.01(-0.03%)
Feb 01, 2012	56.34	56.61	56.31	56.44	4,282,393	+0.21(+0.37%)
Jan 31, 2012	56.40	56.40	56.17	56.23	3,065,198	+0.01(+0.03%)
Jan 30, 2012	56.05	56.29	55.97	56.22	3,094,600	+0.00(+0.00%)
Jan 27, 2012	56.39	56.44	56.22	56.22	2,417,542	-0.17(-0.30%)
Jan 26, 2012	56.49	56.60	56.32	56.39	7,254,481	+0.13(+0.23%)
Jan 25, 2012	55.83	56.36	55.72	56.26	3,906,817	+0.48(+0.87%)
Jan 24, 2012	55.72	55.92	55.60	55.78	3,301,494	+0.04(+0.08%)
Jan 23, 2012	55.59	55.89	55.58	55.73	3,973,624	+0.23(+0.41%)
Jan 20, 2012	55.46	55.61	55.42	55.50	3,307,835	+0.09(+0.15%)
Jan 19, 2012	55.38	55.63	55.26	55.42	5,773,236	+0.16(+0.28%)
Jan 18, 2012	55.01	55.35	54.92	55.26	4,214,697	+0.31(+0.57%)
Jan 17, 2012	55.12	55.18	54.92	54.95	3,952,603	-0.04(-0.08%)
Jan 13, 2012	54.92	55.03	54.54	54.99	2,754,099	+0.00(+0.00%)
Jan 12, 2012	55.13	55.13	54.86	54.99	3,011,849	+0.00(+0.00%)
Jan 11, 2012	55.02	55.15	54.99	54.99	3,146,715	-0.09(-0.16%)
Jan 10, 2012	55.12	55.18	55.03	55.08	4,900,849	+0.27(+0.49%)
Jan 09, 2012	54.88	54.99	54.81	54.81	2,921,011	+0.00(+0.00%)
Jan 06, 2012	54.96	55.01	54.71	54.81	2,630,346	-0.04(-0.08%)
Jan 05, 2012	55.01	55.01	54.74	54.85	4,090,756	-0.20(-0.36%)
Jan 04, 2012	55.03	55.09	54.69	55.05	3,954,039	+0.27(+0.49%)
Dec 30, 2011	54.79	54.96	54.76	54.78	1,447,426	-0.07(-0.13%)
Dec 29, 2011	54.71	54.95	54.61	54.85	2,394,661	+0.28(+0.52%)
Dec 28, 2011	54.71	54.79	54.44	54.56	1,748,314	-0.22(-0.41%)
Dec 27, 2011	54.65	54.80	54.45	54.79	2,186,770	+0.13(+0.23%)
Dec 23, 2011	54.42	54.70	54.30	54.66	2,130,603	+0.28(+0.52%)
Dec 21, 2011	54.01	54.39	53.89	54.38	4,019,788	+0.20(+0.36%)
Dec 20, 2011	53.93	54.18	53.86	54.18	4,461,959	+0.66(+1.24%)
Dec 19, 2011	53.58	53.82	53.47	53.52	2,818,019	-0.07(-0.13%)
Dec 16, 2011	53.49	53.61	53.37	53.59	1,861,418	+0.20(+0.37%)
Dec 15, 2011	53.54	53.54	53.32	53.40	1,998,857	+0.21(+0.40%)
Dec 14, 2011	53.28	53.35	53.06	53.18	3,068,860	-0.11(-0.21%)
Dec 13, 2011	53.61	53.73	53.20	53.30	2,143,948	-0.25(-0.47%)
Dec 12, 2011	53.49	53.55	53.30	53.55	1,857,541	-0.15(-0.29%)
Dec 09, 2011	53.54	53.72	53.47	53.70	1,846,105	+0.42(+0.79%)
Dec 08, 2011	53.34	53.55	53.24	53.28	2,439,342	-0.23(-0.42%)
Dec 07, 2011	53.70	53.73	53.41	53.51	2,097,851	-0.38(-0.70%)
Dec 06, 2011	53.54	53.97	53.41	53.89	3,635,685	+0.27(+0.50%)
Dec 05, 2011	53.58	53.83	53.40	53.62	4,389,762	+0.28(+0.53%)
Dec 02, 2011	53.18	53.40	53.02	53.34	4,100,965	+0.32(+0.61%)

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