Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	61.31	62.57	61.25	61.55	470,531	+0.26(+0.42%)
Feb 25, 2011	59.54	61.32	59.54	61.29	344,903	+2.08(+3.51%)
Feb 24, 2011	58.83	59.93	58.81	59.21	311,988	+0.38(+0.64%)
Feb 23, 2011	60.53	60.67	58.56	58.83	525,819	-1.75(-2.89%)
Feb 22, 2011	60.98	61.07	60.09	60.59	458,937	-0.81(-1.31%)
Feb 18, 2011	61.71	62.25	61.14	61.39	263,728	-0.12(-0.19%)
Feb 17, 2011	61.41	61.81	61.00	61.51	329,194	+0.03(+0.05%)
Feb 16, 2011	61.18	61.68	61.02	61.48	279,213	+0.51(+0.83%)
Feb 15, 2011	61.51	61.79	60.90	60.97	403,934	-0.76(-1.23%)
Feb 14, 2011	61.51	62.72	61.47	61.73	406,866	+0.29(+0.47%)
Feb 11, 2011	59.64	61.90	59.61	61.44	740,834	+1.68(+2.82%)
Feb 10, 2011	59.35	59.98	59.35	59.76	224,562	+0.27(+0.45%)
Feb 09, 2011	59.19	59.68	59.19	59.49	184,440	+0.12(+0.20%)
Feb 08, 2011	59.20	59.59	59.07	59.37	310,679	+0.28(+0.47%)
Feb 07, 2011	58.42	59.25	58.42	59.09	303,335	+0.70(+1.19%)
Feb 04, 2011	57.81	58.48	57.81	58.40	236,324	+0.38(+0.65%)
Feb 03, 2011	57.51	58.12	56.90	58.02	227,895	+0.52(+0.90%)
Feb 02, 2011	57.17	57.59	56.91	57.50	214,133	+0.27(+0.47%)
Feb 01, 2011	57.32	58.17	57.19	57.23	229,707	+0.14(+0.24%)
Jan 31, 2011	56.87	57.71	56.67	57.09	213,340	+0.41(+0.72%)
Jan 28, 2011	57.85	57.85	56.49	56.68	225,826	-1.24(-2.15%)
Jan 27, 2011	57.58	58.17	57.57	57.93	271,719	+0.24(+0.41%)
Jan 26, 2011	57.65	57.83	57.25	57.69	251,362	+0.34(+0.59%)
Jan 25, 2011	56.90	57.40	56.41	57.35	364,018	+0.45(+0.79%)
Jan 24, 2011	56.18	57.14	55.91	56.90	375,226	+0.76(+1.35%)
Jan 21, 2011	57.48	57.48	55.86	56.15	391,582	-1.06(-1.85%)
Jan 20, 2011	57.00	57.36	56.60	57.20	375,956	+0.06(+0.10%)
Jan 19, 2011	57.12	57.55	56.81	57.14	288,099	-0.07(-0.12%)
Jan 18, 2011	57.14	57.59	56.98	57.21	554,137	+0.11(+0.19%)
Jan 14, 2011	56.97	57.32	56.70	57.10	286,528	+0.00(+0.00%)
Jan 13, 2011	57.67	57.81	56.82	57.10	460,046	-0.36(-0.62%)
Jan 12, 2011	57.72	57.81	57.05	57.46	378,270	+0.01(+0.02%)
Jan 11, 2011	56.53	57.55	56.49	57.45	627,647	+1.12(+2.00%)
Jan 10, 2011	55.48	56.42	55.24	56.33	279,180	+0.53(+0.95%)
Jan 07, 2011	55.93	56.18	55.23	55.80	236,829	+0.01(+0.02%)
Jan 06, 2011	55.71	55.89	55.58	55.79	295,117	+0.16(+0.29%)
Jan 05, 2011	56.06	56.06	55.47	55.63	448,572	-0.49(-0.87%)
Jan 04, 2011	56.71	56.71	55.86	56.12	531,239	-0.46(-0.81%)
Jan 03, 2011	56.42	56.74	56.20	56.57	376,902	+0.51(+0.91%)
Dec 31, 2010	55.94	56.53	55.53	56.07	394,044	-0.31(-0.55%)
Dec 30, 2010	56.02	57.13	55.97	56.38	372,501	+0.27(+0.48%)
Dec 29, 2010	56.29	56.63	55.93	56.11	127,986	-0.20(-0.35%)
Dec 28, 2010	56.43	56.52	55.67	56.31	274,749	+0.18(+0.32%)
Dec 27, 2010	56.23	56.48	55.68	56.13	231,330	-0.26(-0.46%)
Dec 23, 2010	56.75	56.96	56.22	56.39	277,061	-0.27(-0.47%)
Dec 22, 2010	56.96	57.03	56.37	56.65	371,251	-0.32(-0.56%)
Dec 21, 2010	57.60	57.70	56.48	56.97	470,669	-0.40(-0.69%)
Dec 20, 2010	58.46	58.46	57.34	57.37	332,690	-0.70(-1.20%)
Dec 17, 2010	58.22	58.24	57.79	58.07	607,417	-0.18(-0.31%)
Dec 16, 2010	58.02	58.62	57.95	58.25	447,569	+0.24(+0.41%)
Dec 15, 2010	58.04	58.82	57.85	58.01	502,531	-0.01(-0.02%)
Dec 14, 2010	57.93	58.48	57.69	58.02	542,867	+0.23(+0.40%)
Dec 13, 2010	57.68	58.10	57.43	57.79	789,613	+0.23(+0.40%)
Dec 10, 2010	57.32	57.68	56.85	57.56	622,077	+0.17(+0.29%)
Dec 09, 2010	56.96	57.58	56.71	57.39	485,557	+0.74(+1.30%)
Dec 08, 2010	57.41	57.41	55.25	56.65	1,967,307	+3.35(+6.29%)
Dec 07, 2010	53.44	53.72	52.91	53.30	930,091	+0.06(+0.11%)
Dec 06, 2010	53.29	53.38	53.03	53.24	438,017	-0.05(-0.09%)
Dec 03, 2010	53.29	53.48	53.12	53.29	1,000,786	-0.24(-0.45%)
Dec 02, 2010	54.13	54.38	53.48	53.53	766,343	-0.57(-1.05%)

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