Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	68.36	68.54	68.36	68.54	1,145,015	+0.18(+0.27%)
Feb 25, 2011	68.22	68.38	68.11	68.36	1,151,891	+0.32(+0.47%)
Feb 24, 2011	68.14	68.25	68.00	68.04	1,145,509	+0.08(+0.11%)
Feb 23, 2011	68.18	68.24	67.93	67.96	2,061,298	-0.08(-0.12%)
Feb 22, 2011	67.77	68.20	67.77	68.04	1,952,494	+0.19(+0.28%)
Feb 18, 2011	67.59	67.86	67.56	67.86	806,111	+0.10(+0.15%)
Feb 17, 2011	67.85	67.90	67.71	67.75	933,082	+0.13(+0.19%)
Feb 16, 2011	67.70	67.88	67.55	67.63	3,015,855	-0.08(-0.12%)
Feb 15, 2011	67.58	67.71	67.48	67.71	990,811	+0.15(+0.22%)
Feb 14, 2011	67.35	67.69	67.35	67.56	1,251,561	+0.04(+0.07%)
Feb 11, 2011	67.37	67.56	67.29	67.52	1,302,374	+0.37(+0.55%)
Feb 10, 2011	67.27	67.39	67.11	67.15	1,100,436	-0.33(-0.49%)
Feb 09, 2011	67.11	67.56	67.03	67.48	3,386,056	+0.43(+0.65%)
Feb 08, 2011	67.31	67.44	67.01	67.05	2,012,923	-0.24(-0.36%)
Feb 07, 2011	67.10	67.37	67.07	67.29	2,724,107	+0.08(+0.11%)
Feb 04, 2011	67.33	67.42	67.07	67.22	2,179,480	-0.21(-0.30%)
Feb 03, 2011	67.47	67.63	67.41	67.42	2,622,544	-0.16(-0.24%)
Feb 02, 2011	67.85	67.87	67.49	67.59	3,148,341	-0.13(-0.19%)
Feb 01, 2011	67.75	67.84	67.60	67.72	1,576,184	-0.09(-0.13%)
Jan 31, 2011	67.96	68.13	67.78	67.81	2,959,432	-0.19(-0.28%)
Jan 28, 2011	67.80	68.14	67.72	67.99	2,220,614	+0.09(+0.13%)
Jan 27, 2011	67.82	68.00	67.72	67.91	1,750,670	+0.11(+0.17%)
Jan 26, 2011	68.03	68.13	67.79	67.79	2,634,982	-0.38(-0.56%)
Jan 25, 2011	68.02	68.24	67.77	68.18	2,083,302	+0.34(+0.50%)
Jan 24, 2011	67.85	68.02	67.79	67.84	1,163,363	+0.03(+0.05%)
Jan 21, 2011	67.62	67.85	67.60	67.81	1,690,306	+0.10(+0.15%)
Jan 20, 2011	67.87	67.97	67.32	67.71	2,718,316	-0.29(-0.43%)
Jan 19, 2011	68.03	68.11	67.93	68.00	2,696,066	-0.05(-0.07%)
Jan 18, 2011	68.01	68.18	67.76	68.05	2,276,047	-0.04(-0.06%)
Jan 14, 2011	68.38	68.40	68.06	68.09	2,607,455	-0.33(-0.48%)
Jan 13, 2011	68.04	68.42	67.99	68.41	1,553,382	+0.29(+0.43%)
Jan 12, 2011	68.01	68.15	67.93	68.12	2,066,230	-0.04(-0.06%)
Jan 11, 2011	68.07	68.24	67.87	68.16	1,351,831	-0.03(-0.05%)
Jan 10, 2011	67.99	68.26	67.99	68.19	1,454,553	+0.12(+0.17%)
Jan 07, 2011	67.67	68.17	67.63	68.08	1,789,573	+0.36(+0.54%)
Jan 06, 2011	67.71	67.91	67.63	67.71	1,743,275	+0.08(+0.12%)
Jan 05, 2011	67.83	67.87	67.51	67.63	1,934,469	-0.50(-0.73%)
Jan 04, 2011	68.12	68.25	67.98	68.13	1,539,767	+0.09(+0.13%)
Jan 03, 2011	67.64	68.06	67.54	68.04	3,916,126	+0.26(+0.39%)
Dec 31, 2010	67.66	67.98	67.66	67.78	1,463,434	+0.17(+0.25%)
Dec 30, 2010	67.49	67.64	67.31	67.61	900,518	+0.03(+0.05%)
Dec 29, 2010	67.03	67.76	66.99	67.58	1,650,264	+0.51(+0.75%)
Dec 28, 2010	67.57	67.63	67.02	67.08	935,483	-0.54(-0.80%)
Dec 27, 2010	67.32	67.67	67.22	67.61	1,254,921	+0.13(+0.19%)
Dec 23, 2010	67.38	67.48	67.30	67.48	1,383,394	+0.03(+0.05%)
Dec 22, 2010	67.55	67.59	67.37	67.45	1,204,162	-0.06(-0.08%)
Dec 21, 2010	67.45	67.53	67.20	67.51	1,582,332	+0.14(+0.21%)
Dec 20, 2010	67.50	67.64	67.28	67.37	2,309,996	-0.04(-0.06%)
Dec 17, 2010	66.85	67.44	66.84	67.41	2,696,265	+0.61(+0.91%)
Dec 16, 2010	66.42	66.83	66.21	66.80	3,039,559	+0.32(+0.49%)
Dec 15, 2010	67.00	67.13	66.42	66.47	4,179,083	-0.42(-0.62%)
Dec 14, 2010	67.02	67.20	66.62	66.89	3,174,595	-0.41(-0.61%)
Dec 13, 2010	67.00	67.48	66.97	67.30	2,682,504	+0.25(+0.37%)
Dec 10, 2010	67.21	67.39	66.97	67.05	2,144,454	-0.31(-0.46%)
Dec 09, 2010	67.28	67.49	67.10	67.37	3,159,744	+0.16(+0.24%)
Dec 08, 2010	67.40	67.41	66.76	67.20	6,153,320	-0.44(-0.64%)
Dec 07, 2010	67.96	68.08	67.41	67.64	2,091,524	-0.52(-0.76%)
Dec 06, 2010	68.12	68.27	68.06	68.16	1,077,232	+0.35(+0.52%)
Dec 03, 2010	68.13	68.28	67.78	67.80	2,235,339	-0.19(-0.28%)
Dec 02, 2010	67.93	68.17	67.81	67.99	1,624,687	-0.15(-0.22%)

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