Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	74.45	74.53	74.40	74.53	791,250	+0.14(+0.19%)
Feb 25, 2011	74.26	74.40	74.25	74.39	768,223	+0.20(+0.27%)
Feb 24, 2011	74.24	74.31	74.18	74.19	1,609,279	+0.01(+0.02%)
Feb 23, 2011	74.21	74.28	74.10	74.18	1,002,167	+0.06(+0.08%)
Feb 22, 2011	73.94	74.17	73.93	74.12	1,464,865	+0.27(+0.36%)
Feb 18, 2011	73.77	73.88	73.72	73.85	984,272	-0.03(-0.04%)
Feb 17, 2011	73.86	73.94	73.83	73.88	859,372	+0.18(+0.24%)
Feb 16, 2011	73.70	73.83	73.65	73.70	672,989	+0.00(+0.00%)
Feb 15, 2011	73.61	73.71	73.59	73.70	727,863	+0.09(+0.12%)
Feb 14, 2011	73.51	73.68	73.51	73.61	1,452,800	+0.04(+0.05%)
Feb 11, 2011	73.58	73.62	73.42	73.58	1,130,030	+0.29(+0.39%)
Feb 10, 2011	73.44	73.49	73.26	73.29	738,151	-0.21(-0.29%)
Feb 09, 2011	73.39	73.59	73.32	73.50	734,428	+0.13(+0.18%)
Feb 08, 2011	73.58	73.59	73.30	73.37	1,050,342	-0.21(-0.29%)
Feb 07, 2011	73.49	73.60	73.44	73.58	857,069	+0.03(+0.04%)
Feb 04, 2011	73.70	73.81	73.51	73.55	1,582,830	-0.25(-0.33%)
Feb 03, 2011	73.92	73.98	73.80	73.80	1,293,219	-0.28(-0.37%)
Feb 02, 2011	74.18	74.23	73.99	74.07	727,127	-0.08(-0.11%)
Feb 01, 2011	74.25	74.25	74.09	74.16	992,863	-0.16(-0.21%)
Jan 31, 2011	74.45	74.51	74.26	74.31	2,404,907	-0.14(-0.19%)
Jan 28, 2011	74.27	74.53	74.26	74.45	1,113,308	+0.11(+0.14%)
Jan 27, 2011	74.30	74.38	74.22	74.35	850,854	+0.13(+0.17%)
Jan 26, 2011	74.37	74.40	74.21	74.22	808,049	-0.25(-0.33%)
Jan 25, 2011	74.25	74.50	74.19	74.47	687,208	+0.23(+0.31%)
Jan 24, 2011	74.19	74.33	74.19	74.24	760,985	-0.04(-0.06%)
Jan 21, 2011	74.03	74.28	74.02	74.28	822,070	+0.23(+0.31%)
Jan 20, 2011	74.21	74.26	73.99	74.05	1,203,257	-0.28(-0.38%)
Jan 19, 2011	74.24	74.38	74.22	74.33	1,296,711	+0.01(+0.02%)
Jan 18, 2011	74.33	74.37	74.17	74.31	632,893	-0.05(-0.07%)
Jan 14, 2011	74.55	74.55	74.36	74.36	1,069,043	-0.15(-0.21%)
Jan 13, 2011	74.15	74.52	74.15	74.52	1,341,460	+0.27(+0.36%)
Jan 12, 2011	74.19	74.27	74.07	74.25	799,592	-0.01(-0.01%)
Jan 11, 2011	74.42	74.42	74.16	74.26	882,630	-0.15(-0.20%)
Jan 10, 2011	74.26	74.41	74.24	74.41	804,719	+0.20(+0.27%)
Jan 07, 2011	74.07	74.28	73.98	74.21	1,377,159	+0.24(+0.32%)
Jan 06, 2011	74.07	74.07	73.93	73.97	2,889,959	+0.01(+0.02%)
Jan 05, 2011	74.05	74.10	73.81	73.96	1,228,655	-0.36(-0.48%)
Jan 04, 2011	74.33	74.39	74.20	74.31	889,264	+0.02(+0.03%)
Jan 03, 2011	74.13	74.33	74.06	74.29	1,051,650	-0.08(-0.11%)
Dec 31, 2010	74.12	74.38	74.11	74.38	784,261	+0.30(+0.41%)
Dec 30, 2010	74.05	74.12	73.92	74.07	1,109,604	-0.06(-0.08%)
Dec 29, 2010	73.65	74.18	73.62	74.13	692,436	+0.52(+0.71%)
Dec 28, 2010	73.96	74.05	73.61	73.61	1,008,001	-0.43(-0.59%)
Dec 27, 2010	73.86	74.09	73.72	74.04	979,339	+0.21(+0.28%)
Dec 23, 2010	73.90	73.92	73.78	73.83	1,834,031	-0.14(-0.19%)
Dec 22, 2010	74.11	74.11	73.89	73.97	954,898	-0.09(-0.12%)
Dec 21, 2010	73.95	74.06	73.88	74.06	2,168,536	+0.14(+0.19%)
Dec 20, 2010	73.90	74.08	73.79	73.92	1,326,650	+0.05(+0.07%)
Dec 17, 2010	73.49	73.90	73.49	73.87	2,252,771	+0.40(+0.54%)
Dec 16, 2010	73.26	73.50	73.12	73.47	2,350,498	+0.14(+0.19%)
Dec 15, 2010	73.51	73.60	73.16	73.33	1,936,392	-0.13(-0.17%)
Dec 14, 2010	73.72	73.81	73.33	73.46	1,342,544	-0.41(-0.56%)
Dec 13, 2010	73.66	73.95	73.59	73.87	2,586,030	+0.05(+0.07%)
Dec 10, 2010	73.95	73.95	73.76	73.82	1,736,706	-0.14(-0.19%)
Dec 09, 2010	73.95	74.05	73.80	73.96	1,149,334	+0.13(+0.18%)
Dec 08, 2010	73.99	73.99	73.56	73.83	2,647,701	-0.36(-0.48%)
Dec 07, 2010	74.49	74.54	74.09	74.18	1,732,506	-0.58(-0.78%)
Dec 06, 2010	74.63	74.77	74.59	74.77	3,717,536	+0.27(+0.37%)
Dec 03, 2010	74.62	74.66	74.39	74.49	941,336	+0.15(+0.20%)
Dec 02, 2010	74.53	74.56	74.34	74.35	1,604,602	-0.15(-0.20%)

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