Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2008	72.75	73.03	72.46	72.77	1,305,463	+0.28(+0.38%)
Feb 28, 2008	72.36	72.55	72.24	72.49	614,612	+0.43(+0.60%)
Feb 27, 2008	72.05	72.09	71.87	72.06	895,354	+0.15(+0.21%)
Feb 26, 2008	71.69	71.91	71.61	71.91	902,902	+0.35(+0.48%)
Feb 25, 2008	71.88	71.92	71.47	71.56	789,046	-0.25(-0.35%)
Feb 22, 2008	72.01	72.29	71.79	71.82	1,397,128	-0.38(-0.53%)
Feb 21, 2008	71.94	72.24	71.76	72.20	687,924	+0.59(+0.82%)
Feb 20, 2008	71.56	71.83	71.47	71.61	573,238	-0.11(-0.16%)
Feb 19, 2008	72.01	72.09	71.62	71.73	844,629	-0.35(-0.48%)
Feb 18, 2008	72.20	72.20	72.02	72.07	0	+0.00(+0.00%)
Feb 15, 2008	72.20	72.20	72.02	72.07	644,010	-0.04(-0.05%)
Feb 14, 2008	72.21	72.34	71.93	72.11	818,621	-0.23(-0.31%)
Feb 13, 2008	72.57	72.70	72.34	72.34	721,967	-0.43(-0.59%)
Feb 12, 2008	72.59	72.79	72.43	72.77	924,235	-0.03(-0.04%)
Feb 11, 2008	72.73	72.94	72.65	72.79	1,055,557	+0.16(+0.21%)
Feb 08, 2008	72.56	72.75	72.45	72.64	768,590	+0.35(+0.48%)
Feb 07, 2008	72.91	72.92	72.14	72.29	880,249	-0.64(-0.88%)
Feb 06, 2008	72.99	72.99	72.76	72.94	988,180	-0.06(-0.08%)
Feb 05, 2008	73.06	73.12	72.76	72.99	880,912	+0.23(+0.31%)
Feb 04, 2008	72.71	72.82	72.58	72.77	475,530	-0.04(-0.06%)
Feb 01, 2008	73.01	73.04	72.81	72.81	863,185	-0.37(-0.50%)
Jan 31, 2008	73.16	73.25	72.87	73.18	918,179	+0.32(+0.44%)
Jan 30, 2008	72.83	72.94	72.65	72.86	788,957	+0.11(+0.16%)
Jan 29, 2008	72.92	72.98	72.70	72.75	637,691	-0.23(-0.31%)
Jan 28, 2008	72.82	73.07	72.79	72.97	684,519	+0.14(+0.19%)
Jan 25, 2008	72.52	73.00	72.26	72.83	828,034	+0.13(+0.18%)
Jan 24, 2008	73.13	73.13	72.61	72.70	663,685	-0.18(-0.25%)
Jan 23, 2008	73.80	73.80	72.85	72.89	1,288,863	-0.22(-0.30%)
Jan 22, 2008	73.50	74.58	72.73	73.11	1,121,649	+0.11(+0.15%)
Jan 21, 2008	72.79	72.99	72.67	72.99	0	+0.00(+0.00%)
Jan 18, 2008	72.79	72.99	72.67	72.99	1,144,880	-0.01(-0.02%)
Jan 17, 2008	72.65	73.01	72.52	73.01	1,142,098	+0.44(+0.60%)
Jan 16, 2008	72.79	72.86	72.53	72.57	878,181	-0.22(-0.30%)
Jan 15, 2008	72.68	72.79	72.55	72.79	511,109	+0.26(+0.36%)
Jan 14, 2008	72.47	72.57	72.38	72.53	410,692	+0.06(+0.08%)
Jan 11, 2008	72.25	72.48	72.24	72.47	446,470	+0.31(+0.43%)
Jan 10, 2008	72.28	72.31	71.97	72.16	412,807	-0.15(-0.21%)
Jan 09, 2008	72.42	72.46	72.19	72.31	619,089	-0.17(-0.23%)
Jan 08, 2008	72.22	72.48	72.07	72.48	2,184,535	+0.36(+0.50%)
Jan 07, 2008	72.26	72.36	71.99	72.12	981,034	-0.08(-0.12%)
Jan 04, 2008	71.97	72.37	71.97	72.20	703,980	+0.15(+0.21%)
Jan 03, 2008	71.84	72.05	71.66	72.05	524,223	+0.19(+0.27%)
Jan 02, 2008	71.66	72.54	71.44	71.86	1,257,263	+0.34(+0.47%)
Jan 01, 2008	71.63	71.67	71.30	71.52	0	+0.00(+0.00%)
Dec 31, 2007	71.63	71.67	71.30	71.52	1,001,451	+0.02(+0.03%)
Dec 28, 2007	71.27	71.55	71.18	71.50	625,803	+0.38(+0.54%)
Dec 27, 2007	71.07	71.12	70.84	71.12	604,178	+0.10(+0.14%)
Dec 26, 2007	71.23	71.36	70.94	71.02	366,645	-0.22(-0.31%)
Dec 24, 2007	71.23	71.29	71.13	71.24	269,750	+0.02(+0.03%)
Dec 21, 2007	71.59	71.59	71.22	71.22	582,520	-0.31(-0.43%)
Dec 20, 2007	71.79	71.87	71.53	71.53	691,890	-0.06(-0.09%)
Dec 19, 2007	71.50	71.80	71.32	71.59	897,882	+0.15(+0.21%)
Dec 18, 2007	71.35	71.47	71.18	71.44	569,050	+0.37(+0.53%)
Dec 17, 2007	71.18	71.24	70.95	71.07	779,008	+0.11(+0.15%)
Dec 14, 2007	71.12	71.13	70.86	70.96	728,906	-0.20(-0.28%)
Dec 13, 2007	71.36	71.36	71.09	71.16	601,881	-0.28(-0.39%)
Dec 12, 2007	71.24	71.56	71.06	71.44	708,536	-0.07(-0.10%)
Dec 11, 2007	71.32	71.69	71.15	71.51	1,631,591	+0.35(+0.49%)
Dec 10, 2007	71.32	71.32	70.92	71.16	1,296,243	-0.14(-0.20%)
Dec 07, 2007	71.59	71.59	71.11	71.30	574,581	-0.41(-0.57%)
Dec 06, 2007	71.66	71.85	71.50	71.71	1,139,967	-0.08(-0.11%)
Dec 05, 2007	71.97	71.98	71.78	71.79	625,787	-0.13(-0.19%)
Dec 04, 2007	72.23	72.27	71.87	71.93	821,557	-0.28(-0.38%)

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