Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	81.68	81.68	81.43	81.55	2,707,551	-0.08(-0.10%)
Feb 28, 2012	81.74	81.77	81.59	81.63	1,080,037	-0.06(-0.07%)
Feb 27, 2012	81.60	81.69	81.55	81.69	966,957	+0.26(+0.32%)
Feb 24, 2012	81.46	81.57	81.42	81.43	1,852,796	+0.02(+0.03%)
Feb 23, 2012	81.30	81.43	81.27	81.41	1,070,662	+0.07(+0.08%)
Feb 22, 2012	81.24	81.35	81.20	81.35	1,324,346	+0.23(+0.28%)
Feb 21, 2012	81.19	81.23	81.11	81.12	1,417,633	-0.13(-0.15%)
Feb 17, 2012	81.23	81.27	81.14	81.24	1,159,412	-0.10(-0.13%)
Feb 16, 2012	81.36	81.42	81.27	81.35	1,247,733	-0.01(-0.02%)
Feb 15, 2012	81.47	81.49	81.35	81.36	1,189,045	-0.03(-0.04%)
Feb 14, 2012	81.41	81.52	81.38	81.39	1,189,991	+0.07(+0.08%)
Feb 13, 2012	81.35	81.40	81.28	81.32	1,242,424	+0.03(+0.04%)
Feb 10, 2012	81.25	81.38	81.24	81.29	970,937	+0.11(+0.14%)
Feb 09, 2012	81.27	81.30	81.13	81.18	1,450,988	-0.13(-0.16%)
Feb 08, 2012	81.34	81.40	81.24	81.32	2,009,514	-0.07(-0.08%)
Feb 07, 2012	81.33	81.41	81.24	81.38	1,312,685	-0.08(-0.10%)
Feb 06, 2012	81.38	81.46	81.29	81.46	2,518,465	+0.06(+0.07%)
Feb 03, 2012	81.21	81.43	81.15	81.41	1,551,537	-0.04(-0.05%)
Feb 02, 2012	81.40	81.49	81.34	81.44	1,605,502	+0.02(+0.03%)
Feb 01, 2012	81.44	81.52	81.32	81.42	2,668,665	-0.14(-0.18%)
Jan 31, 2012	81.41	81.58	81.32	81.56	4,432,935	+0.14(+0.17%)
Jan 30, 2012	81.34	81.48	81.30	81.42	2,029,014	+0.23(+0.29%)
Jan 27, 2012	81.18	81.25	81.06	81.19	1,059,272	+0.13(+0.16%)
Jan 26, 2012	81.08	81.16	81.03	81.06	1,676,852	+0.16(+0.20%)
Jan 25, 2012	80.78	81.14	80.68	80.89	2,123,347	+0.12(+0.15%)
Jan 24, 2012	80.77	80.78	80.67	80.78	1,077,765	+0.07(+0.08%)
Jan 23, 2012	80.62	80.78	80.62	80.71	1,115,897	-0.07(-0.08%)
Jan 20, 2012	81.03	81.03	80.72	80.78	1,405,775	-0.21(-0.25%)
Jan 19, 2012	81.11	81.14	80.91	80.98	1,405,404	-0.13(-0.16%)
Jan 18, 2012	81.20	81.29	81.09	81.12	1,656,748	-0.10(-0.13%)
Jan 17, 2012	81.29	81.34	81.18	81.22	1,732,993	+0.02(+0.03%)
Jan 13, 2012	81.09	81.27	81.09	81.20	1,041,543	+0.18(+0.23%)
Jan 12, 2012	81.03	81.07	80.92	81.01	1,149,295	-0.07(-0.08%)
Jan 11, 2012	80.89	81.08	80.84	81.08	1,075,333	+0.29(+0.35%)
Jan 10, 2012	80.81	80.92	80.75	80.79	1,364,356	-0.02(-0.03%)
Jan 09, 2012	80.89	81.03	80.79	80.81	1,328,998	-0.07(-0.08%)
Jan 06, 2012	80.81	80.98	80.81	80.88	1,222,407	+0.07(+0.08%)
Jan 05, 2012	80.73	80.83	80.68	80.81	1,166,023	+0.11(+0.14%)
Jan 04, 2012	80.84	80.84	80.62	80.70	1,768,756	-0.27(-0.34%)
Dec 30, 2011	81.08	81.19	80.97	80.98	1,495,310	-0.10(-0.13%)
Dec 29, 2011	80.97	81.12	80.85	81.08	1,341,603	+0.19(+0.24%)
Dec 28, 2011	80.78	80.96	80.73	80.89	1,189,591	+0.14(+0.17%)
Dec 27, 2011	80.57	80.75	80.55	80.75	1,484,743	+0.15(+0.18%)
Dec 23, 2011	80.56	80.65	80.38	80.60	925,597	+0.03(+0.04%)
Dec 21, 2011	80.76	80.80	80.54	80.57	1,266,486	-0.21(-0.25%)
Dec 20, 2011	80.82	80.92	80.75	80.78	3,785,248	-0.11(-0.14%)
Dec 19, 2011	80.81	80.94	80.74	80.89	1,530,229	+0.08(+0.10%)
Dec 16, 2011	80.68	80.86	80.65	80.81	1,609,606	+0.27(+0.34%)
Dec 15, 2011	80.67	80.75	80.47	80.54	5,133,150	-0.17(-0.21%)
Dec 14, 2011	80.51	80.80	80.57	80.71	1,264,425	+0.20(+0.25%)
Dec 13, 2011	80.35	80.61	80.32	80.51	1,999,200	+0.16(+0.20%)
Dec 12, 2011	80.38	80.50	80.34	80.35	1,662,658	+0.02(+0.03%)
Dec 09, 2011	80.35	80.46	80.23	80.32	1,273,155	-0.04(-0.05%)
Dec 08, 2011	80.26	80.46	80.23	80.37	1,673,467	+0.08(+0.10%)
Dec 07, 2011	80.20	80.35	80.08	80.29	940,993	+0.15(+0.18%)
Dec 06, 2011	80.12	80.19	79.93	80.14	1,505,213	-0.07(-0.09%)
Dec 05, 2011	80.03	80.21	79.96	80.21	1,448,614	+0.09(+0.11%)
Dec 02, 2011	79.90	80.19	79.86	80.13	1,249,436	+0.21(+0.26%)

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