Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	60.81	60.81	60.05	60.43	284,895	+0.06(+0.11%)
Feb 25, 2011	59.59	60.38	59.59	60.37	86,579	+1.17(+1.98%)
Feb 24, 2011	59.06	59.49	58.56	59.19	154,691	+0.16(+0.28%)
Feb 23, 2011	59.54	59.78	58.32	59.03	281,879	-0.58(-0.98%)
Feb 22, 2011	60.64	60.89	59.49	59.61	195,506	-1.65(-2.69%)
Feb 18, 2011	61.44	61.48	61.02	61.26	108,160	-0.05(-0.09%)
Feb 17, 2011	61.10	61.44	60.98	61.31	132,029	+0.13(+0.21%)
Feb 16, 2011	61.10	61.29	60.97	61.19	175,687	+0.52(+0.86%)
Feb 15, 2011	60.86	60.92	60.53	60.67	212,222	-0.38(-0.63%)
Feb 14, 2011	60.74	61.06	60.72	61.05	268,975	+0.39(+0.65%)
Feb 11, 2011	59.99	60.70	59.84	60.66	203,097	+0.50(+0.83%)
Feb 10, 2011	59.42	60.20	59.29	60.16	112,466	+0.48(+0.81%)
Feb 09, 2011	59.80	59.98	59.44	59.68	156,608	-0.23(-0.38%)
Feb 08, 2011	59.78	59.91	59.49	59.90	235,527	+0.22(+0.37%)
Feb 07, 2011	59.69	60.09	59.57	59.69	210,795	+0.29(+0.49%)
Feb 04, 2011	59.08	59.41	58.91	59.39	155,014	+0.39(+0.66%)
Feb 03, 2011	58.70	59.07	58.34	59.00	113,731	+0.34(+0.57%)
Feb 02, 2011	58.65	58.96	58.46	58.67	109,870	-0.06(-0.11%)
Feb 01, 2011	58.28	58.91	58.28	58.73	115,544	+0.83(+1.43%)
Jan 31, 2011	57.46	58.07	57.42	57.90	256,480	+0.66(+1.14%)
Jan 28, 2011	58.31	58.44	57.06	57.25	134,977	-1.03(-1.77%)
Jan 27, 2011	58.05	58.38	57.97	58.28	314,875	+0.21(+0.36%)
Jan 26, 2011	57.51	58.14	57.47	58.07	116,813	+0.76(+1.33%)
Jan 25, 2011	57.31	57.32	56.83	57.30	155,810	-0.19(-0.33%)
Jan 24, 2011	57.10	57.56	56.96	57.49	118,348	+0.48(+0.85%)
Jan 21, 2011	57.49	57.63	56.93	57.01	145,570	-0.09(-0.16%)
Jan 20, 2011	57.38	57.38	56.63	57.10	170,020	-0.53(-0.92%)
Jan 19, 2011	58.58	58.58	57.46	57.63	132,346	-1.00(-1.71%)
Jan 18, 2011	58.20	58.63	58.17	58.63	335,098	+0.38(+0.66%)
Jan 14, 2011	57.72	58.26	57.67	58.25	122,387	+0.36(+0.63%)
Jan 13, 2011	57.91	58.02	57.72	57.88	125,801	+0.02(+0.03%)
Jan 12, 2011	58.00	58.00	57.48	57.87	105,238	+0.44(+0.76%)
Jan 11, 2011	57.51	57.55	57.24	57.43	113,467	+0.34(+0.59%)
Jan 10, 2011	56.67	57.18	56.35	57.09	141,329	+0.16(+0.29%)
Jan 07, 2011	57.27	57.27	56.33	56.93	117,273	-0.09(-0.16%)
Jan 06, 2011	57.36	57.36	56.86	57.02	162,113	-0.18(-0.31%)
Jan 05, 2011	56.70	57.27	56.56	57.20	121,505	+0.35(+0.62%)
Jan 04, 2011	57.67	57.67	56.48	56.85	165,233	-0.50(-0.87%)
Jan 03, 2011	57.31	57.67	57.17	57.35	306,049	+0.65(+1.14%)
Dec 31, 2010	56.90	56.91	56.63	56.70	86,850	-0.24(-0.42%)
Dec 30, 2010	56.89	57.11	56.86	56.94	92,397	+0.03(+0.06%)
Dec 29, 2010	56.77	57.01	56.77	56.90	72,890	+0.25(+0.44%)
Dec 28, 2010	56.99	56.99	56.58	56.66	89,751	-0.13(-0.23%)
Dec 27, 2010	56.83	56.84	56.36	56.79	102,909	-0.06(-0.11%)
Dec 23, 2010	57.02	57.02	56.75	56.85	135,180	-0.12(-0.21%)
Dec 22, 2010	57.17	57.17	56.84	56.97	113,214	-0.05(-0.10%)
Dec 21, 2010	56.86	57.04	56.69	57.03	161,198	+0.44(+0.78%)
Dec 20, 2010	56.55	56.67	56.20	56.58	236,640	+0.12(+0.21%)
Dec 17, 2010	56.34	56.55	56.11	56.46	99,992	+0.24(+0.43%)
Dec 16, 2010	55.82	56.22	55.49	56.22	146,946	+0.51(+0.91%)
Dec 15, 2010	55.88	56.44	55.60	55.71	123,431	-0.15(-0.28%)
Dec 14, 2010	55.95	56.15	55.71	55.87	106,986	+0.01(+0.02%)
Dec 13, 2010	56.43	56.43	55.81	55.86	182,784	-0.15(-0.27%)
Dec 10, 2010	55.76	56.06	55.52	56.01	122,326	+0.45(+0.81%)
Dec 09, 2010	55.91	55.91	55.32	55.56	109,492	+0.14(+0.26%)
Dec 08, 2010	55.66	55.74	55.16	55.41	125,602	-0.10(-0.18%)
Dec 07, 2010	56.30	56.30	55.48	55.51	492,094	-0.09(-0.16%)
Dec 06, 2010	55.45	55.68	55.32	55.60	272,722	+0.06(+0.11%)
Dec 03, 2010	55.02	55.62	54.99	55.54	177,245	+0.38(+0.69%)
Dec 02, 2010	54.54	55.19	54.52	55.16	284,357	+0.72(+1.33%)

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