Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	71.75	71.81	71.68	71.71	484,774	-0.03(-0.04%)
Feb 25, 2011	71.49	71.75	71.49	71.75	744,587	+0.23(+0.32%)
Feb 24, 2011	71.55	71.70	71.43	71.52	662,441	+0.18(+0.26%)
Feb 23, 2011	71.49	71.62	71.28	71.33	848,378	-0.11(-0.15%)
Feb 22, 2011	71.06	71.52	71.02	71.44	1,801,225	+0.61(+0.87%)
Feb 18, 2011	70.65	70.83	70.56	70.82	544,741	-0.02(-0.02%)
Feb 17, 2011	70.85	70.95	70.75	70.84	1,010,898	+0.26(+0.37%)
Feb 16, 2011	70.60	70.79	70.42	70.58	807,308	-0.10(-0.14%)
Feb 15, 2011	70.49	70.69	70.47	70.68	785,942	+0.16(+0.23%)
Feb 14, 2011	70.39	70.68	70.39	70.52	1,707,002	+0.02(+0.03%)
Feb 11, 2011	70.48	70.67	70.36	70.49	1,943,357	+0.32(+0.46%)
Feb 10, 2011	70.32	70.43	70.11	70.17	803,209	-0.23(-0.33%)
Feb 09, 2011	70.14	70.55	69.97	70.40	1,023,272	+0.40(+0.57%)
Feb 08, 2011	70.43	70.49	69.95	70.00	1,298,249	-0.48(-0.69%)
Feb 07, 2011	70.33	70.51	70.25	70.49	1,107,530	-0.03(-0.04%)
Feb 04, 2011	70.77	70.87	70.39	70.52	1,983,975	-0.44(-0.62%)
Feb 03, 2011	71.12	71.25	70.92	70.95	1,706,656	-0.41(-0.57%)
Feb 02, 2011	71.71	71.75	71.25	71.36	1,458,119	-0.17(-0.24%)
Feb 01, 2011	71.62	71.71	71.45	71.53	1,313,822	-0.33(-0.46%)
Jan 31, 2011	72.07	72.18	71.78	71.86	724,502	-0.28(-0.39%)
Jan 28, 2011	71.64	72.26	71.63	72.15	1,378,998	+0.33(+0.46%)
Jan 27, 2011	71.61	71.86	71.45	71.82	693,726	+0.27(+0.37%)
Jan 26, 2011	71.83	71.84	71.48	71.55	1,135,370	-0.44(-0.61%)
Jan 25, 2011	71.76	72.16	71.57	71.99	1,470,337	+0.36(+0.50%)
Jan 24, 2011	71.65	71.76	71.58	71.63	649,638	+0.01(+0.01%)
Jan 21, 2011	71.33	71.62	71.24	71.62	683,795	+0.24(+0.33%)
Jan 20, 2011	71.63	71.68	71.21	71.38	909,648	-0.56(-0.78%)
Jan 19, 2011	71.73	71.99	71.72	71.94	955,660	+0.18(+0.26%)
Jan 18, 2011	71.77	71.89	71.51	71.76	1,388,475	-0.18(-0.24%)
Jan 14, 2011	72.27	72.35	71.91	71.93	958,590	-0.20(-0.28%)
Jan 13, 2011	71.63	72.13	71.60	72.13	1,372,391	+0.48(+0.67%)
Jan 12, 2011	71.57	71.78	71.44	71.65	982,801	-0.21(-0.29%)
Jan 11, 2011	72.05	72.05	71.68	71.86	992,466	-0.28(-0.39%)
Jan 10, 2011	72.03	72.14	71.88	72.14	1,431,035	+0.25(+0.34%)
Jan 07, 2011	71.48	72.03	71.39	71.89	961,272	+0.47(+0.67%)
Jan 06, 2011	71.26	71.47	71.13	71.42	1,895,644	+0.37(+0.52%)
Jan 05, 2011	71.30	71.38	70.91	71.05	1,451,257	-0.77(-1.08%)
Jan 04, 2011	71.75	71.93	71.62	71.83	1,610,688	+0.17(+0.24%)
Jan 03, 2011	71.40	71.86	71.28	71.66	1,822,192	-0.22(-0.31%)
Dec 31, 2010	71.58	72.13	71.57	71.88	880,008	+0.36(+0.50%)
Dec 30, 2010	71.53	71.63	71.28	71.52	691,463	-0.15(-0.20%)
Dec 29, 2010	70.95	71.79	70.85	71.67	1,777,958	+0.80(+1.12%)
Dec 28, 2010	71.50	71.53	70.87	70.87	1,246,720	-0.75(-1.05%)
Dec 27, 2010	71.35	71.65	71.15	71.62	532,753	+0.28(+0.39%)
Dec 23, 2010	71.48	71.48	71.25	71.35	707,454	-0.25(-0.35%)
Dec 22, 2010	71.76	71.79	71.50	71.60	404,186	-0.20(-0.28%)
Dec 21, 2010	71.77	71.80	71.42	71.80	1,110,404	+0.15(+0.21%)
Dec 20, 2010	71.92	72.10	71.48	71.64	1,052,169	-0.01(-0.01%)
Dec 17, 2010	71.22	71.73	71.15	71.65	1,781,935	+0.61(+0.86%)
Dec 16, 2010	70.65	71.06	70.34	71.04	1,768,003	+0.42(+0.60%)
Dec 15, 2010	71.09	71.22	70.37	70.62	2,449,672	-0.29(-0.41%)
Dec 14, 2010	71.37	71.54	70.68	70.91	2,458,401	-0.76(-1.06%)
Dec 13, 2010	71.33	71.87	71.22	71.67	1,731,832	+0.23(+0.32%)
Dec 10, 2010	71.81	71.90	71.44	71.44	1,311,847	-0.61(-0.85%)
Dec 09, 2010	72.08	72.22	71.75	72.05	2,178,517	+0.15(+0.21%)
Dec 08, 2010	72.02	72.05	71.39	71.90	2,820,600	-0.62(-0.85%)
Dec 07, 2010	73.09	73.16	72.34	72.51	1,748,031	-1.22(-1.66%)
Dec 06, 2010	73.63	73.75	73.48	73.74	1,180,417	+0.46(+0.63%)
Dec 03, 2010	73.74	73.77	73.20	73.28	490,088	+0.01(+0.01%)
Dec 02, 2010	73.41	73.62	73.26	73.27	1,287,036	-0.18(-0.25%)

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