Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	87.52	87.52	87.37	87.48	169,172	+0.08(+0.09%)
Feb 25, 2011	87.24	87.40	87.23	87.40	150,638	+0.26(+0.30%)
Feb 24, 2011	87.29	87.32	87.13	87.14	99,900	-0.04(-0.04%)
Feb 23, 2011	87.33	87.37	87.12	87.17	109,583	-0.19(-0.21%)
Feb 22, 2011	87.11	87.38	87.02	87.36	123,690	+0.36(+0.42%)
Feb 18, 2011	86.85	87.00	86.72	87.00	146,372	+0.07(+0.09%)
Feb 17, 2011	86.87	87.00	86.84	86.92	125,935	+0.21(+0.25%)
Feb 16, 2011	86.63	86.77	86.52	86.71	103,656	+0.12(+0.13%)
Feb 15, 2011	86.58	86.69	86.50	86.59	141,948	-0.03(-0.04%)
Feb 14, 2011	86.40	86.66	86.40	86.62	376,787	+0.10(+0.11%)
Feb 11, 2011	86.48	86.62	86.35	86.53	156,352	+0.31(+0.35%)
Feb 10, 2011	86.36	86.42	86.20	86.22	136,371	-0.26(-0.30%)
Feb 09, 2011	86.39	86.60	86.26	86.48	247,839	+0.25(+0.29%)
Feb 08, 2011	86.39	86.48	86.17	86.23	269,501	-0.20(-0.23%)
Feb 07, 2011	86.37	86.46	86.22	86.43	503,627	-0.04(-0.05%)
Feb 04, 2011	86.48	86.60	86.29	86.47	244,146	-0.17(-0.20%)
Feb 03, 2011	86.69	86.75	86.53	86.64	530,008	-0.26(-0.30%)
Feb 02, 2011	87.15	87.15	86.82	86.91	157,002	-0.10(-0.11%)
Feb 01, 2011	87.17	87.17	86.98	87.00	316,307	-0.28(-0.32%)
Jan 31, 2011	87.38	87.38	87.12	87.28	204,920	+0.01(+0.01%)
Jan 28, 2011	87.20	87.47	87.09	87.27	343,403	+0.07(+0.08%)
Jan 27, 2011	87.25	87.26	87.03	87.21	185,767	+0.08(+0.09%)
Jan 26, 2011	87.12	87.31	87.06	87.12	513,701	-0.15(-0.17%)
Jan 25, 2011	87.22	87.34	87.01	87.27	1,730,180	+0.12(+0.14%)
Jan 24, 2011	87.01	87.20	86.89	87.15	270,962	+0.03(+0.04%)
Jan 21, 2011	86.93	87.13	86.87	87.12	285,204	+0.19(+0.22%)
Jan 20, 2011	86.99	87.11	86.84	86.93	288,805	-0.33(-0.38%)
Jan 19, 2011	87.02	87.28	87.01	87.26	329,984	+0.21(+0.24%)
Jan 18, 2011	86.89	87.05	86.83	87.05	114,797	+0.03(+0.04%)
Jan 14, 2011	87.01	87.17	86.94	87.02	160,579	-0.12(-0.13%)
Jan 13, 2011	86.91	87.16	86.85	87.13	151,875	+0.22(+0.26%)
Jan 12, 2011	86.84	86.95	86.65	86.91	184,086	-0.02(-0.02%)
Jan 11, 2011	86.89	86.99	86.77	86.93	207,002	+0.01(+0.01%)
Jan 10, 2011	86.94	86.95	86.82	86.92	153,434	+0.18(+0.21%)
Jan 07, 2011	86.62	86.89	86.53	86.74	125,837	+0.37(+0.43%)
Jan 06, 2011	86.29	86.47	86.29	86.37	356,340	+0.16(+0.19%)
Jan 05, 2011	86.40	86.46	86.12	86.20	176,754	-0.44(-0.50%)
Jan 04, 2011	86.63	86.80	86.58	86.64	227,289	+0.00(+0.00%)
Jan 03, 2011	86.48	86.66	86.28	86.64	240,397	+0.09(+0.10%)
Dec 31, 2010	86.44	86.69	86.28	86.55	82,514	+0.15(+0.17%)
Dec 30, 2010	86.24	86.40	86.09	86.40	333,319	+0.03(+0.04%)
Dec 29, 2010	85.90	86.46	85.88	86.37	267,233	+0.42(+0.49%)
Dec 28, 2010	86.20	86.29	85.91	85.95	126,704	-0.29(-0.34%)
Dec 27, 2010	86.01	86.29	85.93	86.24	198,148	+0.10(+0.11%)
Dec 23, 2010	86.21	86.21	86.05	86.14	146,585	-0.06(-0.07%)
Dec 22, 2010	86.42	86.42	86.14	86.21	224,979	-0.10(-0.12%)
Dec 21, 2010	86.33	86.46	86.12	86.31	224,844	+0.06(+0.07%)
Dec 20, 2010	86.33	86.53	86.19	86.25	183,750	-0.02(-0.02%)
Dec 17, 2010	85.86	86.34	85.86	86.26	227,650	+0.43(+0.51%)
Dec 16, 2010	85.55	85.86	85.41	85.83	195,837	+0.28(+0.33%)
Dec 15, 2010	85.80	85.96	85.50	85.55	209,581	-0.19(-0.22%)
Dec 14, 2010	86.13	86.13	85.53	85.74	227,019	-0.39(-0.46%)
Dec 13, 2010	85.90	86.35	85.89	86.13	840,734	+0.12(+0.14%)
Dec 10, 2010	86.22	86.39	86.00	86.01	417,673	-0.30(-0.35%)
Dec 09, 2010	86.53	86.53	86.23	86.31	757,038	-0.03(-0.04%)
Dec 08, 2010	86.48	86.62	86.02	86.35	745,212	-0.45(-0.52%)
Dec 07, 2010	87.20	87.20	86.67	86.80	180,942	-0.58(-0.66%)
Dec 06, 2010	87.26	87.39	87.16	87.37	725,235	+0.28(+0.32%)
Dec 03, 2010	87.11	87.32	86.96	87.09	198,794	+0.22(+0.25%)
Dec 02, 2010	86.91	87.11	86.83	86.87	222,688	-0.19(-0.22%)

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