Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	71.94	71.99	71.87	71.90	483,547	-0.03(-0.04%)
Feb 25, 2011	71.67	71.93	71.67	71.93	742,702	+0.23(+0.32%)
Feb 24, 2011	71.73	71.88	71.61	71.70	660,764	+0.18(+0.26%)
Feb 23, 2011	71.67	71.80	71.46	71.51	846,230	-0.11(-0.15%)
Feb 22, 2011	71.24	71.70	71.20	71.62	1,796,664	+0.62(+0.87%)
Feb 18, 2011	70.83	71.01	70.73	71.00	543,362	-0.02(-0.02%)
Feb 17, 2011	71.03	71.13	70.93	71.02	1,008,338	+0.26(+0.37%)
Feb 16, 2011	70.78	70.97	70.60	70.76	805,263	-0.10(-0.14%)
Feb 15, 2011	70.67	70.87	70.65	70.86	783,951	+0.16(+0.23%)
Feb 14, 2011	70.57	70.86	70.57	70.70	1,702,679	+0.02(+0.03%)
Feb 11, 2011	70.66	70.85	70.53	70.67	1,938,435	+0.32(+0.46%)
Feb 10, 2011	70.50	70.61	70.29	70.35	801,175	-0.23(-0.33%)
Feb 09, 2011	70.32	70.72	70.15	70.58	1,020,681	+0.40(+0.57%)
Feb 08, 2011	70.61	70.67	70.13	70.18	1,294,961	-0.49(-0.69%)
Feb 07, 2011	70.51	70.69	70.43	70.66	1,104,725	-0.03(-0.04%)
Feb 04, 2011	70.95	71.05	70.57	70.70	1,978,951	-0.44(-0.62%)
Feb 03, 2011	71.30	71.43	71.10	71.13	1,702,334	-0.41(-0.57%)
Feb 02, 2011	71.90	71.94	71.43	71.54	1,454,427	-0.17(-0.24%)
Feb 01, 2011	71.80	71.89	71.63	71.71	1,310,494	-0.33(-0.46%)
Jan 31, 2011	72.25	72.36	71.96	72.05	722,668	-0.28(-0.39%)
Jan 28, 2011	71.82	72.45	71.81	72.33	1,375,505	+0.33(+0.46%)
Jan 27, 2011	71.79	72.05	71.63	72.00	691,969	+0.27(+0.37%)
Jan 26, 2011	72.02	72.02	71.66	71.73	1,132,495	-0.44(-0.61%)
Jan 25, 2011	71.95	72.34	71.75	72.17	1,466,613	+0.36(+0.50%)
Jan 24, 2011	71.83	71.94	71.76	71.81	647,993	+0.01(+0.01%)
Jan 21, 2011	71.51	71.80	71.42	71.80	682,063	+0.24(+0.33%)
Jan 20, 2011	71.81	71.86	71.39	71.56	907,344	-0.56(-0.78%)
Jan 19, 2011	71.91	72.18	71.90	72.12	953,240	+0.18(+0.26%)
Jan 18, 2011	71.95	72.08	71.70	71.94	1,384,959	-0.18(-0.25%)
Jan 14, 2011	72.45	72.53	72.09	72.12	956,162	-0.20(-0.28%)
Jan 13, 2011	71.81	72.32	71.78	72.32	1,368,915	+0.48(+0.67%)
Jan 12, 2011	71.75	71.97	71.62	71.83	980,312	-0.21(-0.29%)
Jan 11, 2011	72.23	72.23	71.86	72.04	989,953	-0.28(-0.39%)
Jan 10, 2011	72.21	72.32	72.07	72.32	1,427,411	+0.25(+0.34%)
Jan 07, 2011	71.66	72.21	71.57	72.08	958,838	+0.48(+0.67%)
Jan 06, 2011	71.44	71.66	71.31	71.60	1,890,843	+0.37(+0.52%)
Jan 05, 2011	71.48	71.56	71.09	71.23	1,447,581	-0.78(-1.08%)
Jan 04, 2011	71.93	72.11	71.80	72.01	1,606,608	+0.17(+0.24%)
Jan 03, 2011	71.58	72.04	71.46	71.84	1,817,577	-0.22(-0.31%)
Dec 31, 2010	71.76	72.32	71.75	72.06	877,780	+0.36(+0.50%)
Dec 30, 2010	71.71	71.81	71.46	71.70	689,712	-0.15(-0.20%)
Dec 29, 2010	71.13	71.97	71.03	71.85	1,773,455	+0.80(+1.12%)
Dec 28, 2010	71.68	71.72	71.05	71.05	1,243,562	-0.75(-1.05%)
Dec 27, 2010	71.53	71.83	71.33	71.80	531,404	+0.28(+0.39%)
Dec 23, 2010	71.66	71.66	71.43	71.53	705,662	-0.25(-0.35%)
Dec 22, 2010	71.94	71.97	71.68	71.78	403,163	-0.20(-0.28%)
Dec 21, 2010	71.95	71.99	71.60	71.98	1,107,592	+0.15(+0.21%)
Dec 20, 2010	72.10	72.28	71.66	71.83	1,049,504	-0.01(-0.01%)
Dec 17, 2010	71.40	71.91	71.33	71.83	1,777,422	+0.61(+0.86%)
Dec 16, 2010	70.83	71.24	70.52	71.22	1,763,525	+0.42(+0.60%)
Dec 15, 2010	71.27	71.40	70.55	70.80	2,443,468	-0.29(-0.41%)
Dec 14, 2010	71.55	71.72	70.86	71.09	2,452,175	-0.76(-1.06%)
Dec 13, 2010	71.51	72.06	71.40	71.85	1,727,446	+0.23(+0.32%)
Dec 10, 2010	71.99	72.08	71.62	71.62	1,308,525	-0.61(-0.85%)
Dec 09, 2010	72.26	72.40	71.93	72.23	2,173,000	+0.15(+0.21%)
Dec 08, 2010	72.20	72.23	71.57	72.08	2,813,457	-0.62(-0.85%)
Dec 07, 2010	73.27	73.34	72.52	72.70	1,743,604	-1.23(-1.66%)
Dec 06, 2010	73.82	73.93	73.67	73.92	1,177,427	+0.46(+0.63%)
Dec 03, 2010	73.92	73.95	73.39	73.46	488,847	+0.01(+0.01%)
Dec 02, 2010	73.59	73.81	73.44	73.46	1,283,776	-0.18(-0.25%)

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