Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2011	84.12	84.13	84.07	84.09	1,138,986	-0.01(-0.01%)
Jan 28, 2011	84.05	84.14	84.04	84.10	678,428	+0.04(+0.05%)
Jan 27, 2011	84.04	84.07	84.01	84.06	917,586	+0.06(+0.07%)
Jan 26, 2011	83.98	84.01	83.95	84.00	1,130,071	-0.02(-0.02%)
Jan 25, 2011	83.96	84.04	83.94	84.02	1,627,052	+0.06(+0.07%)
Jan 24, 2011	83.94	83.98	83.94	83.96	631,789	-0.01(-0.01%)
Jan 21, 2011	83.94	83.98	83.94	83.97	463,514	+0.02(+0.02%)
Jan 20, 2011	84.02	84.02	83.94	83.95	781,626	-0.09(-0.11%)
Jan 19, 2011	84.02	84.05	84.01	84.04	1,450,256	+0.04(+0.05%)
Jan 18, 2011	84.00	84.04	83.98	84.00	692,191	-0.02(-0.02%)
Jan 14, 2011	84.04	84.07	84.01	84.02	841,832	+0.00(+0.00%)
Jan 13, 2011	83.99	84.03	83.96	84.02	685,810	+0.03(+0.04%)
Jan 12, 2011	83.95	84.00	83.93	83.99	703,119	+0.00(+0.00%)
Jan 11, 2011	84.05	84.05	83.98	83.99	1,060,386	-0.05(-0.06%)
Jan 10, 2011	84.00	84.05	84.00	84.04	1,202,826	+0.04(+0.05%)
Jan 07, 2011	83.94	84.02	83.93	84.00	792,136	+0.12(+0.14%)
Jan 06, 2011	83.83	83.90	83.81	83.88	1,686,542	+0.09(+0.11%)
Jan 05, 2011	83.82	83.85	83.77	83.79	1,276,154	-0.15(-0.18%)
Jan 04, 2011	83.96	84.01	83.92	83.94	2,022,406	-0.02(-0.02%)
Jan 03, 2011	83.94	83.97	83.90	83.96	676,125	-0.02(-0.02%)
Dec 31, 2010	83.90	83.99	83.89	83.98	664,546	+0.10(+0.12%)
Dec 30, 2010	83.89	83.90	83.83	83.88	1,119,008	-0.03(-0.04%)
Dec 29, 2010	83.75	83.94	83.74	83.91	1,204,751	+0.20(+0.24%)
Dec 28, 2010	83.79	83.83	83.71	83.71	823,348	-0.18(-0.21%)
Dec 27, 2010	83.82	83.89	83.77	83.89	729,954	+0.05(+0.06%)
Dec 23, 2010	83.88	83.90	83.84	83.84	580,970	-0.11(-0.13%)
Dec 22, 2010	83.97	83.98	83.90	83.95	526,833	-0.02(-0.02%)
Dec 21, 2010	83.99	83.99	83.93	83.97	879,665	-0.02(-0.02%)
Dec 20, 2010	83.99	84.04	83.97	83.99	621,025	+0.02(+0.02%)
Dec 17, 2010	83.90	83.99	83.90	83.97	1,075,807	+0.07(+0.08%)
Dec 16, 2010	83.86	83.93	83.82	83.90	1,131,547	+0.02(+0.02%)
Dec 15, 2010	83.89	83.95	83.83	83.88	720,644	-0.03(-0.04%)
Dec 14, 2010	83.96	83.97	83.85	83.91	873,056	-0.04(-0.05%)
Dec 13, 2010	83.91	83.99	83.88	83.95	944,159	+0.05(+0.06%)
Dec 10, 2010	83.95	83.96	83.89	83.90	912,205	-0.03(-0.04%)
Dec 09, 2010	83.96	83.98	83.90	83.93	1,132,642	-0.01(-0.01%)
Dec 08, 2010	83.98	83.99	83.90	83.94	1,235,894	-0.13(-0.15%)
Dec 07, 2010	84.20	84.20	84.04	84.07	1,018,724	-0.15(-0.18%)
Dec 06, 2010	84.22	84.25	84.20	84.22	1,686,465	+0.05(+0.06%)
Dec 03, 2010	84.16	84.19	84.12	84.17	1,364,822	+0.11(+0.13%)
Dec 02, 2010	84.06	84.10	84.03	84.06	896,429	+0.00(+0.00%)
Dec 01, 2010	84.11	84.12	84.05	84.06	999,980	-0.19(-0.23%)
Nov 30, 2010	84.25	84.27	84.23	84.25	884,437	+0.06(+0.07%)
Nov 29, 2010	84.21	84.21	84.16	84.19	663,955	-0.01(-0.01%)
Nov 26, 2010	84.15	84.20	84.15	84.20	221,243	+0.06(+0.07%)
Nov 24, 2010	84.23	84.14	84.14	84.14	1,604,685	-0.15(-0.17%)
Nov 23, 2010	84.31	84.32	84.28	84.29	722,575	+0.05(+0.06%)
Nov 22, 2010	84.16	84.25	84.16	84.24	740,967	+0.08(+0.10%)
Nov 19, 2010	84.17	84.19	84.16	84.16	1,324,359	-0.05(-0.06%)
Nov 18, 2010	84.16	84.21	84.13	84.21	799,084	+0.01(+0.01%)
Nov 17, 2010	84.20	84.22	84.17	84.20	1,859,905	+0.05(+0.06%)
Nov 16, 2010	84.15	84.18	84.11	84.15	1,073,372	+0.01(+0.01%)
Nov 15, 2010	84.11	84.18	84.09	84.14	1,869,552	-0.02(-0.02%)
Nov 12, 2010	84.21	84.25	84.16	84.16	1,465,326	+0.00(+0.00%)
Nov 11, 2010	84.27	84.28	84.13	84.16	553,447	-0.13(-0.15%)
Nov 10, 2010	84.25	84.29	84.17	84.29	1,019,012	+0.05(+0.06%)
Nov 09, 2010	84.37	84.37	84.24	84.24	1,709,870	-0.11(-0.13%)
Nov 08, 2010	84.37	84.38	84.33	84.35	1,086,086	-0.04(-0.05%)
Nov 05, 2010	84.43	84.45	84.38	84.39	1,782,557	-0.07(-0.08%)
Nov 04, 2010	84.46	84.48	84.46	84.46	874,572	+0.02(+0.02%)
Nov 03, 2010	84.44	84.45	84.33	84.44	643,334	+0.03(+0.04%)
Nov 02, 2010	84.43	84.45	84.41	84.41	610,046	-0.05(-0.06%)

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