Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2013	82.37	82.41	82.25	82.40	3,258,200	+0.03(+0.03%)
Feb 27, 2013	82.53	82.57	82.29	82.37	1,374,794	-0.03(-0.03%)
Feb 26, 2013	82.39	82.58	82.35	82.40	2,298,717	-0.10(-0.12%)
Feb 25, 2013	81.77	82.53	81.77	82.50	3,860,402	+0.49(+0.59%)
Feb 22, 2013	82.01	82.07	81.94	82.01	2,795,448	+0.05(+0.07%)
Feb 21, 2013	81.95	82.05	81.90	81.96	5,225,293	+0.13(+0.16%)
Feb 20, 2013	81.60	81.84	81.60	81.83	2,000,314	+0.14(+0.17%)
Feb 19, 2013	81.74	81.90	81.63	81.69	2,690,325	-0.02(-0.03%)
Feb 15, 2013	81.75	81.77	81.62	81.71	1,991,260	-0.03(-0.04%)
Feb 14, 2013	81.54	81.80	81.53	81.75	4,644,610	+0.23(+0.28%)
Feb 13, 2013	81.44	81.60	81.44	81.52	3,384,816	-0.19(-0.23%)
Feb 12, 2013	81.60	81.79	81.60	81.71	2,220,006	-0.08(-0.10%)
Feb 11, 2013	81.81	81.84	81.77	81.79	1,093,895	-0.04(-0.05%)
Feb 08, 2013	81.76	81.84	81.60	81.84	2,185,639	+0.18(+0.22%)
Feb 07, 2013	81.57	81.83	81.56	81.66	2,453,407	+0.03(+0.03%)
Feb 06, 2013	81.54	81.68	81.46	81.63	2,877,092	+0.05(+0.06%)
Feb 04, 2013	81.47	81.69	81.47	81.58	3,769,675	+0.27(+0.34%)
Feb 01, 2013	81.79	81.93	81.30	81.31	6,701,832	-0.21(-0.26%)
Jan 31, 2013	81.53	81.56	81.40	81.52	4,107,656	+0.06(+0.08%)
Jan 30, 2013	81.50	81.64	81.38	81.46	4,408,362	-0.27(-0.33%)
Jan 29, 2013	81.76	81.95	81.66	81.73	2,086,046	-0.18(-0.22%)
Jan 28, 2013	81.71	81.94	81.23	81.92	3,565,768	-0.07(-0.08%)
Jan 25, 2013	82.22	82.22	81.93	81.98	3,566,389	-0.38(-0.46%)
Jan 24, 2013	82.43	82.46	82.31	82.36	2,744,558	-0.12(-0.14%)
Jan 23, 2013	82.50	82.56	82.43	82.48	3,583,993	+0.10(+0.12%)
Jan 22, 2013	82.37	82.44	82.18	82.37	2,534,733	+0.00(+0.00%)
Jan 18, 2013	82.30	82.46	82.24	82.37	3,961,715	+0.08(+0.10%)
Jan 17, 2013	82.31	82.33	82.12	82.29	3,260,348	-0.14(-0.17%)
Jan 16, 2013	82.49	82.56	82.40	82.43	6,152,426	+0.00(+0.00%)
Jan 15, 2013	82.59	82.69	82.37	82.43	4,457,555	-0.07(-0.08%)
Jan 14, 2013	82.73	82.73	82.48	82.50	2,298,911	-0.16(-0.20%)
Jan 11, 2013	82.43	82.67	82.37	82.67	1,110,598	+0.15(+0.18%)
Jan 10, 2013	82.35	82.58	82.35	82.52	2,109,311	+0.04(+0.05%)
Jan 09, 2013	82.59	82.60	82.46	82.48	2,735,798	-0.03(-0.03%)
Jan 08, 2013	82.46	82.56	82.43	82.50	3,713,348	+0.08(+0.09%)
Jan 07, 2013	82.39	82.46	82.26	82.43	5,614,374	+0.14(+0.17%)
Jan 04, 2013	82.31	82.36	82.09	82.29	6,831,229	-0.04(-0.05%)
Jan 03, 2013	82.69	82.72	82.30	82.33	4,699,276	-0.45(-0.54%)
Jan 02, 2013	82.54	82.81	82.52	82.78	5,945,109	+0.19(+0.23%)
Dec 31, 2012	82.88	82.94	82.53	82.59	2,857,159	-0.44(-0.53%)
Dec 28, 2012	82.94	83.03	82.88	83.03	2,775,249	+0.18(+0.22%)
Dec 27, 2012	82.60	82.89	82.58	82.84	2,280,589	+0.27(+0.32%)
Dec 26, 2012	82.68	82.69	82.56	82.58	2,405,255	+0.12(+0.14%)
Dec 24, 2012	82.41	82.54	82.39	82.46	2,795,247	-0.05(-0.07%)
Dec 21, 2012	82.48	82.58	82.41	82.52	3,893,201	+0.14(+0.17%)
Dec 20, 2012	82.43	82.52	82.31	82.37	3,739,529	+0.08(+0.10%)
Dec 19, 2012	82.11	82.32	82.11	82.29	4,572,663	+0.32(+0.39%)
Dec 18, 2012	82.26	82.28	81.88	81.97	3,347,723	-0.20(-0.25%)
Dec 17, 2012	82.45	82.49	82.17	82.17	2,913,957	-0.27(-0.32%)
Dec 14, 2012	82.46	82.55	82.42	82.44	4,178,970	+0.06(+0.07%)
Dec 13, 2012	82.37	82.50	82.26	82.38	5,340,989	-0.13(-0.16%)
Dec 12, 2012	82.75	82.90	82.45	82.51	3,512,860	-0.25(-0.30%)
Dec 11, 2012	83.03	83.05	82.73	82.76	3,475,448	-0.31(-0.37%)
Dec 10, 2012	83.10	83.13	83.01	83.07	3,364,871	+0.07(+0.09%)
Dec 07, 2012	83.07	83.09	82.98	82.99	2,861,066	-0.20(-0.24%)
Dec 06, 2012	83.26	83.36	83.17	83.19	4,021,975	-0.01(-0.02%)
Dec 05, 2012	83.11	83.24	83.05	83.20	2,856,170	+0.17(+0.20%)

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