Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	61.94	62.22	61.44	62.06	422,292	+0.56(+0.92%)
Feb 25, 2011	61.07	61.51	60.96	61.50	655,944	+0.98(+1.62%)
Feb 24, 2011	60.67	61.34	59.67	60.52	1,741,222	-0.27(-0.45%)
Feb 23, 2011	60.95	61.38	59.56	60.79	1,727,459	-0.20(-0.32%)
Feb 22, 2011	62.50	62.87	60.91	60.99	960,800	-2.19(-3.47%)
Feb 18, 2011	63.97	63.97	62.91	63.18	575,539	-0.74(-1.16%)
Feb 17, 2011	63.53	63.99	63.13	63.92	373,447	+0.48(+0.75%)
Feb 16, 2011	63.15	63.51	62.91	63.45	568,826	+0.67(+1.06%)
Feb 15, 2011	63.09	63.36	62.63	62.78	426,122	-0.41(-0.66%)
Feb 14, 2011	62.40	63.25	62.40	63.20	463,486	+0.92(+1.47%)
Feb 11, 2011	61.74	62.47	61.58	62.28	420,940	+0.35(+0.56%)
Feb 10, 2011	61.15	62.20	61.09	61.93	529,447	+0.34(+0.55%)
Feb 09, 2011	62.10	62.28	61.28	61.59	666,368	-0.84(-1.34%)
Feb 08, 2011	62.36	62.50	61.84	62.43	842,720	+0.33(+0.53%)
Feb 07, 2011	62.10	62.71	62.00	62.10	697,198	+0.20(+0.32%)
Feb 04, 2011	62.27	62.27	61.42	61.91	350,858	-0.13(-0.20%)
Feb 03, 2011	61.83	62.15	61.10	62.03	635,705	+0.08(+0.13%)
Feb 02, 2011	61.95	62.44	61.64	61.95	806,154	-0.13(-0.21%)
Feb 01, 2011	60.93	62.19	60.93	62.09	823,131	+1.69(+2.80%)
Jan 31, 2011	59.53	60.51	59.53	60.39	792,064	+0.99(+1.66%)
Jan 28, 2011	60.03	60.38	59.23	59.41	714,505	-0.72(-1.20%)
Jan 27, 2011	60.86	60.86	59.70	60.13	668,360	-0.56(-0.92%)
Jan 26, 2011	59.51	60.81	59.51	60.68	625,509	+1.46(+2.46%)
Jan 25, 2011	59.00	59.28	58.52	59.23	948,844	-0.03(-0.05%)
Jan 24, 2011	58.54	59.59	58.54	59.26	423,744	+0.68(+1.16%)
Jan 21, 2011	59.39	59.58	58.55	58.58	379,903	-0.35(-0.60%)
Jan 20, 2011	59.23	59.25	58.31	58.93	1,022,404	-0.89(-1.49%)
Jan 19, 2011	61.50	61.50	59.73	59.82	953,729	-1.59(-2.59%)
Jan 18, 2011	61.05	61.42	61.04	61.41	427,069	+0.48(+0.78%)
Jan 14, 2011	61.01	61.03	60.56	60.93	401,555	-0.17(-0.28%)
Jan 13, 2011	61.74	61.74	60.97	61.11	1,138,819	-0.45(-0.74%)
Jan 12, 2011	61.73	61.73	61.22	61.56	807,300	+0.41(+0.68%)
Jan 11, 2011	60.83	61.23	60.73	61.15	810,997	+0.74(+1.22%)
Jan 10, 2011	60.07	60.54	59.45	60.41	418,891	+0.09(+0.14%)
Jan 07, 2011	60.58	60.78	59.67	60.32	878,901	-0.15(-0.25%)
Jan 06, 2011	61.08	61.08	60.25	60.47	609,633	-0.48(-0.78%)
Jan 05, 2011	60.46	61.05	60.17	60.95	677,603	+0.18(+0.30%)
Jan 04, 2011	61.43	61.52	59.86	60.77	953,261	-0.43(-0.70%)
Jan 03, 2011	61.22	61.87	61.15	61.20	762,342	+0.58(+0.96%)
Dec 31, 2010	60.59	60.76	60.40	60.62	328,820	+0.09(+0.14%)
Dec 30, 2010	60.49	60.83	60.42	60.54	115,047	+0.09(+0.16%)
Dec 29, 2010	60.16	60.56	60.16	60.44	176,125	+0.36(+0.60%)
Dec 28, 2010	60.12	60.21	59.95	60.08	186,497	+0.13(+0.22%)
Dec 27, 2010	59.90	60.01	59.53	59.95	103,294	-0.13(-0.21%)
Dec 23, 2010	59.64	60.18	59.64	60.07	191,792	+0.25(+0.42%)
Dec 22, 2010	60.14	60.14	59.61	59.82	284,475	-0.06(-0.10%)
Dec 21, 2010	59.49	59.96	59.37	59.88	330,458	+0.72(+1.23%)
Dec 20, 2010	58.96	59.28	58.78	59.16	368,033	+0.36(+0.61%)
Dec 17, 2010	58.55	58.88	58.29	58.80	847,840	+0.39(+0.67%)
Dec 16, 2010	58.19	58.43	57.63	58.41	1,042,131	+0.41(+0.70%)
Dec 15, 2010	58.22	58.68	57.96	58.01	722,629	-0.47(-0.80%)
Dec 14, 2010	58.67	58.82	58.22	58.47	435,416	-0.02(-0.04%)
Dec 13, 2010	58.80	59.07	58.43	58.50	890,787	+0.19(+0.32%)
Dec 10, 2010	57.97	58.40	57.59	58.31	471,819	+0.57(+0.99%)
Dec 09, 2010	57.99	58.06	57.37	57.74	719,085	+0.27(+0.46%)
Dec 08, 2010	58.05	58.38	57.18	57.48	568,142	-0.62(-1.06%)
Dec 07, 2010	59.09	59.11	58.08	58.09	1,090,522	-0.08(-0.13%)
Dec 06, 2010	57.80	58.28	57.80	58.17	525,979	+0.23(+0.39%)
Dec 03, 2010	56.97	58.05	56.97	57.94	613,742	+0.61(+1.06%)
Dec 02, 2010	56.63	57.42	56.60	57.34	2,048,391	+0.88(+1.56%)

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