Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	48.95	49.10	48.74	48.99	437,727	+0.08(+0.17%)
Feb 25, 2011	48.53	48.95	48.53	48.90	739,498	+0.64(+1.32%)
Feb 24, 2011	48.36	48.38	47.90	48.27	503,147	-0.17(-0.35%)
Feb 23, 2011	48.68	48.70	48.03	48.44	681,537	-0.09(-0.18%)
Feb 22, 2011	49.10	49.29	48.25	48.53	2,163,046	-1.65(-3.28%)
Feb 18, 2011	50.31	50.31	50.05	50.18	310,076	+0.12(+0.24%)
Feb 17, 2011	49.84	50.05	49.70	50.05	269,508	+0.32(+0.64%)
Feb 16, 2011	49.75	49.91	49.56	49.74	953,491	+0.31(+0.63%)
Feb 15, 2011	49.47	49.51	49.26	49.43	283,036	+0.02(+0.05%)
Feb 14, 2011	49.42	49.62	49.40	49.40	1,262,231	+0.16(+0.33%)
Feb 11, 2011	48.66	49.34	48.50	49.24	3,963,234	+0.18(+0.37%)
Feb 10, 2011	48.81	49.09	48.57	49.06	2,750,605	-0.57(-1.15%)
Feb 09, 2011	49.91	50.11	49.43	49.63	2,564,990	-1.10(-2.17%)
Feb 08, 2011	50.66	50.74	50.45	50.73	873,489	-0.30(-0.59%)
Feb 07, 2011	50.82	51.14	50.75	51.03	658,082	-0.02(-0.03%)
Feb 04, 2011	51.06	51.14	50.67	51.05	634,292	+0.14(+0.27%)
Feb 03, 2011	50.92	51.06	50.69	50.91	387,645	+0.02(+0.05%)
Feb 02, 2011	51.00	51.18	50.79	50.88	705,054	+0.08(+0.16%)
Feb 01, 2011	50.49	50.96	50.31	50.80	2,747,550	+0.67(+1.33%)
Jan 31, 2011	50.00	50.27	49.91	50.13	1,830,557	+0.32(+0.64%)
Jan 28, 2011	51.04	51.10	49.70	49.82	848,584	-1.44(-2.81%)
Jan 27, 2011	51.32	51.41	51.15	51.26	233,232	+0.07(+0.13%)
Jan 26, 2011	51.13	51.40	51.07	51.19	592,473	+0.43(+0.85%)
Jan 25, 2011	50.79	50.81	50.41	50.76	554,607	-0.06(-0.11%)
Jan 24, 2011	50.67	50.89	50.57	50.82	1,313,329	+0.09(+0.18%)
Jan 21, 2011	51.38	51.43	50.65	50.73	1,326,417	-0.66(-1.28%)
Jan 20, 2011	51.73	51.73	51.00	51.39	1,305,086	-0.59(-1.14%)
Jan 19, 2011	52.33	52.38	51.85	51.98	625,113	-0.10(-0.19%)
Jan 18, 2011	52.20	52.28	51.99	52.08	1,451,736	-0.15(-0.28%)
Jan 14, 2011	52.09	52.30	51.92	52.23	2,008,602	+0.19(+0.36%)
Jan 13, 2011	52.34	52.42	51.93	52.04	1,683,840	-0.43(-0.82%)
Jan 12, 2011	52.27	52.55	52.19	52.47	284,641	+0.82(+1.59%)
Jan 11, 2011	51.70	51.85	51.54	51.65	2,241,135	+0.39(+0.76%)
Jan 10, 2011	51.32	51.39	51.07	51.26	488,971	-0.74(-1.43%)
Jan 07, 2011	52.30	52.30	51.67	52.00	970,359	-0.37(-0.70%)
Jan 06, 2011	52.46	52.63	52.21	52.37	1,321,395	-0.41(-0.77%)
Jan 05, 2011	52.50	52.88	52.50	52.77	386,480	-0.12(-0.23%)
Jan 04, 2011	53.11	53.11	52.43	52.90	704,875	+0.29(+0.54%)
Jan 03, 2011	52.63	52.81	52.55	52.61	222,985	+0.72(+1.38%)
Dec 31, 2010	51.96	51.99	51.80	51.89	830,311	+0.12(+0.24%)
Dec 30, 2010	51.70	51.87	51.68	51.77	190,786	+0.27(+0.52%)
Dec 29, 2010	51.51	51.63	51.50	51.50	908,175	+0.40(+0.78%)
Dec 28, 2010	51.19	51.22	51.01	51.10	248,629	-0.01(-0.02%)
Dec 27, 2010	50.93	51.19	50.84	51.11	165,531	+0.09(+0.18%)
Dec 23, 2010	51.06	51.08	50.85	51.02	315,445	-0.20(-0.40%)
Dec 22, 2010	51.20	51.26	51.11	51.23	251,885	+0.07(+0.14%)
Dec 21, 2010	51.08	51.26	50.95	51.15	229,222	+0.19(+0.37%)
Dec 20, 2010	51.19	51.19	50.84	50.97	832,477	-0.18(-0.36%)
Dec 17, 2010	51.16	51.18	50.93	51.15	146,812	+0.15(+0.30%)
Dec 16, 2010	50.77	51.05	50.63	51.00	1,977,652	+0.13(+0.26%)
Dec 15, 2010	51.30	51.30	50.75	50.87	532,370	-0.88(-1.70%)
Dec 14, 2010	51.94	51.94	51.63	51.75	202,920	+0.05(+0.09%)
Dec 13, 2010	51.87	52.02	51.69	51.70	305,045	+0.30(+0.59%)
Dec 10, 2010	51.37	51.45	51.23	51.40	1,318,980	+0.07(+0.13%)
Dec 09, 2010	51.36	51.51	51.21	51.33	1,662,823	+0.06(+0.11%)
Dec 08, 2010	51.41	51.61	51.10	51.28	424,321	-0.36(-0.69%)
Dec 07, 2010	52.28	52.29	51.63	51.63	410,953	-0.08(-0.16%)
Dec 06, 2010	51.49	51.79	51.49	51.72	519,387	-0.18(-0.35%)
Dec 03, 2010	51.48	51.96	51.32	51.89	1,280,548	-0.04(-0.08%)
Dec 02, 2010	51.16	51.94	51.12	51.94	653,274	+0.96(+1.89%)

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