Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	58.04	58.13	57.93	57.97	461,077	+0.04(+0.08%)
Feb 25, 2011	57.77	57.93	57.71	57.92	512,281	+0.31(+0.54%)
Feb 24, 2011	57.56	57.70	57.52	57.61	322,472	+0.06(+0.10%)
Feb 23, 2011	57.76	57.76	57.50	57.55	270,271	-0.06(-0.10%)
Feb 22, 2011	57.86	57.86	57.61	57.61	253,039	-0.35(-0.61%)
Feb 18, 2011	57.93	57.96	57.79	57.96	496,685	+0.16(+0.28%)
Feb 17, 2011	57.52	57.88	57.52	57.80	560,331	+0.35(+0.61%)
Feb 16, 2011	57.34	57.56	57.34	57.45	474,959	+0.12(+0.20%)
Feb 15, 2011	57.23	57.43	57.23	57.33	243,425	-0.02(-0.03%)
Feb 14, 2011	57.54	57.54	57.33	57.35	653,083	-0.14(-0.24%)
Feb 11, 2011	57.36	57.61	57.36	57.49	267,120	+0.08(+0.14%)
Feb 10, 2011	57.50	57.55	57.32	57.41	208,626	-0.14(-0.25%)
Feb 09, 2011	57.81	57.81	57.54	57.55	248,328	-0.27(-0.48%)
Feb 08, 2011	57.67	57.90	57.67	57.82	336,953	+0.18(+0.31%)
Feb 07, 2011	57.76	57.84	57.64	57.64	447,335	-0.20(-0.35%)
Feb 04, 2011	58.20	58.26	57.84	57.84	671,328	-0.35(-0.60%)
Feb 03, 2011	58.27	58.38	58.04	58.20	388,672	-0.15(-0.25%)
Feb 02, 2011	58.37	58.44	58.23	58.35	478,357	+0.08(+0.13%)
Feb 01, 2011	58.11	58.32	58.11	58.27	515,170	+0.27(+0.46%)
Jan 31, 2011	57.97	58.01	57.80	58.00	318,903	+0.07(+0.11%)
Jan 28, 2011	58.25	58.25	57.90	57.94	361,720	-0.43(-0.74%)
Jan 27, 2011	58.55	58.59	58.35	58.37	753,019	-0.20(-0.35%)
Jan 26, 2011	58.73	58.74	58.54	58.57	372,836	-0.01(-0.02%)
Jan 25, 2011	58.66	58.66	58.48	58.58	460,799	-0.04(-0.07%)
Jan 24, 2011	58.50	58.64	58.42	58.63	366,244	+0.16(+0.28%)
Jan 21, 2011	58.54	58.54	58.35	58.46	271,402	-0.06(-0.10%)
Jan 20, 2011	58.66	58.68	58.38	58.52	649,270	-0.21(-0.35%)
Jan 19, 2011	58.86	58.86	58.61	58.73	661,555	-0.19(-0.32%)
Jan 18, 2011	59.01	59.03	58.80	58.92	328,562	-0.11(-0.19%)
Jan 14, 2011	58.85	59.03	58.82	59.03	567,192	+0.08(+0.13%)
Jan 13, 2011	58.90	59.00	58.71	58.95	382,457	+0.11(+0.20%)
Jan 12, 2011	58.72	58.83	58.57	58.83	302,514	+0.28(+0.48%)
Jan 11, 2011	58.55	58.66	58.48	58.55	191,008	+0.16(+0.27%)
Jan 10, 2011	58.66	58.66	58.32	58.40	274,473	-0.15(-0.25%)
Jan 07, 2011	58.55	58.73	58.37	58.54	492,871	+0.12(+0.21%)
Jan 06, 2011	58.97	58.97	58.35	58.42	665,130	-0.45(-0.77%)
Jan 05, 2011	59.21	59.22	58.88	58.88	341,453	-0.34(-0.57%)
Jan 04, 2011	59.11	59.22	58.98	59.22	356,955	+0.36(+0.61%)
Jan 03, 2011	58.76	58.91	58.59	58.86	480,432	+0.25(+0.42%)
Dec 31, 2010	58.35	58.70	58.35	58.61	254,745	+0.26(+0.44%)
Dec 30, 2010	58.40	58.47	58.35	58.35	343,616	+0.04(+0.08%)
Dec 29, 2010	58.53	58.53	58.24	58.31	374,528	-0.10(-0.17%)
Dec 28, 2010	58.68	58.72	58.25	58.41	315,283	-0.08(-0.13%)
Dec 27, 2010	58.33	58.64	58.33	58.48	239,353	-0.02(-0.03%)
Dec 23, 2010	58.55	58.55	58.38	58.50	148,862	+0.05(+0.09%)
Dec 22, 2010	58.47	58.47	58.35	58.45	375,100	+0.09(+0.16%)
Dec 21, 2010	58.28	58.35	58.16	58.35	479,964	+0.31(+0.53%)
Dec 20, 2010	58.15	58.15	57.79	58.05	489,538	+0.29(+0.51%)
Dec 17, 2010	57.53	57.79	57.53	57.75	259,988	+0.10(+0.18%)
Dec 16, 2010	58.12	58.12	57.48	57.65	413,339	-0.40(-0.69%)
Dec 15, 2010	58.31	58.36	58.05	58.05	238,247	-0.42(-0.72%)
Dec 14, 2010	58.62	58.62	58.40	58.47	243,227	+0.00(+0.00%)
Dec 13, 2010	58.70	58.70	58.44	58.47	222,028	-0.27(-0.45%)
Dec 10, 2010	58.76	58.82	58.56	58.74	441,350	-0.16(-0.28%)
Dec 09, 2010	58.72	58.90	58.67	58.90	553,675	+0.18(+0.31%)
Dec 08, 2010	59.09	59.13	58.62	58.72	704,056	-0.60(-1.02%)
Dec 07, 2010	59.75	59.81	59.33	59.33	490,742	-0.27(-0.45%)
Dec 06, 2010	59.44	59.63	59.42	59.59	405,489	+0.24(+0.40%)
Dec 03, 2010	58.96	59.63	58.95	59.36	731,811	+0.34(+0.58%)
Dec 02, 2010	58.72	59.01	58.65	59.01	314,857	+0.38(+0.65%)

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