Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	78.88	78.97	78.83	78.97	746,719	+0.15(+0.19%)
Feb 25, 2011	78.69	78.84	78.68	78.82	724,988	+0.21(+0.27%)
Feb 24, 2011	78.67	78.74	78.61	78.62	1,518,709	+0.02(+0.02%)
Feb 23, 2011	78.64	78.71	78.52	78.60	945,765	+0.06(+0.08%)
Feb 22, 2011	78.35	78.59	78.34	78.54	1,382,424	+0.28(+0.36%)
Feb 18, 2011	78.17	78.28	78.11	78.26	928,877	-0.03(-0.04%)
Feb 17, 2011	78.26	78.35	78.23	78.29	811,007	+0.19(+0.24%)
Feb 16, 2011	78.10	78.23	78.04	78.10	635,114	+0.00(+0.00%)
Feb 15, 2011	78.00	78.11	77.98	78.10	686,899	+0.10(+0.12%)
Feb 14, 2011	77.90	78.07	77.90	78.00	1,371,038	+0.04(+0.05%)
Feb 11, 2011	77.97	78.01	77.79	77.97	1,066,433	+0.31(+0.39%)
Feb 10, 2011	77.82	77.87	77.63	77.66	696,609	-0.22(-0.29%)
Feb 09, 2011	77.77	77.98	77.69	77.88	693,094	+0.14(+0.18%)
Feb 08, 2011	77.97	77.98	77.67	77.74	991,230	-0.22(-0.29%)
Feb 07, 2011	77.87	77.99	77.82	77.97	808,833	+0.03(+0.04%)
Feb 04, 2011	78.09	78.21	77.89	77.94	1,493,749	-0.26(-0.33%)
Feb 03, 2011	78.33	78.39	78.20	78.20	1,220,438	-0.29(-0.37%)
Feb 02, 2011	78.60	78.66	78.40	78.49	686,205	-0.09(-0.11%)
Feb 01, 2011	78.68	78.68	78.51	78.58	936,986	-0.17(-0.21%)
Jan 31, 2011	78.89	78.95	78.69	78.75	2,269,565	-0.15(-0.19%)
Jan 28, 2011	78.70	78.98	78.69	78.89	1,050,654	+0.11(+0.14%)
Jan 27, 2011	78.73	78.81	78.64	78.78	802,970	+0.13(+0.17%)
Jan 26, 2011	78.81	78.83	78.63	78.65	762,574	-0.26(-0.33%)
Jan 25, 2011	78.68	78.95	78.61	78.91	648,534	+0.25(+0.31%)
Jan 24, 2011	78.62	78.77	78.62	78.66	718,158	-0.04(-0.06%)
Jan 21, 2011	78.44	78.71	78.43	78.71	775,805	+0.25(+0.31%)
Jan 20, 2011	78.63	78.69	78.40	78.46	1,135,541	-0.30(-0.38%)
Jan 19, 2011	78.67	78.82	78.65	78.76	1,223,735	+0.01(+0.02%)
Jan 18, 2011	78.77	78.81	78.60	78.75	597,275	-0.05(-0.07%)
Jan 14, 2011	78.99	79.00	78.80	78.80	1,008,880	-0.16(-0.21%)
Jan 13, 2011	78.57	78.96	78.57	78.96	1,265,966	+0.28(+0.36%)
Jan 12, 2011	78.62	78.70	78.48	78.68	754,593	-0.01(-0.01%)
Jan 11, 2011	78.86	78.86	78.58	78.69	832,958	-0.16(-0.20%)
Jan 10, 2011	78.69	78.84	78.66	78.84	759,432	+0.21(+0.27%)
Jan 07, 2011	78.48	78.71	78.39	78.63	1,299,655	+0.25(+0.32%)
Jan 06, 2011	78.48	78.48	78.34	78.38	2,727,319	+0.01(+0.02%)
Jan 05, 2011	78.46	78.52	78.21	78.37	1,159,509	-0.38(-0.48%)
Jan 04, 2011	78.76	78.83	78.63	78.75	839,218	+0.02(+0.03%)
Jan 03, 2011	78.55	78.76	78.48	78.72	992,466	-0.09(-0.11%)
Dec 31, 2010	78.54	78.81	78.53	78.81	740,125	+0.32(+0.41%)
Dec 30, 2010	78.46	78.54	78.33	78.49	1,047,158	-0.06(-0.08%)
Dec 29, 2010	78.04	78.60	78.02	78.55	653,468	+0.55(+0.71%)
Dec 28, 2010	78.37	78.46	78.00	78.00	951,273	-0.46(-0.59%)
Dec 27, 2010	78.27	78.50	78.12	78.46	924,223	+0.22(+0.28%)
Dec 23, 2010	78.30	78.33	78.18	78.24	1,730,814	-0.15(-0.19%)
Dec 22, 2010	78.53	78.53	78.30	78.38	901,158	-0.09(-0.12%)
Dec 21, 2010	78.36	78.48	78.28	78.47	2,046,493	+0.15(+0.19%)
Dec 20, 2010	78.30	78.50	78.19	78.33	1,251,988	+0.05(+0.07%)
Dec 17, 2010	77.87	78.30	77.87	78.27	2,125,988	+0.42(+0.54%)
Dec 16, 2010	77.63	77.88	77.48	77.85	2,218,215	+0.15(+0.19%)
Dec 15, 2010	77.89	77.99	77.52	77.70	1,827,414	-0.14(-0.17%)
Dec 14, 2010	78.12	78.21	77.70	77.84	1,266,987	-0.44(-0.56%)
Dec 13, 2010	78.05	78.36	77.98	78.27	2,440,491	+0.05(+0.07%)
Dec 10, 2010	78.36	78.36	78.15	78.22	1,638,966	-0.15(-0.19%)
Dec 09, 2010	78.36	78.47	78.20	78.37	1,084,651	+0.14(+0.18%)
Dec 08, 2010	78.41	78.41	77.95	78.23	2,498,692	-0.38(-0.48%)
Dec 07, 2010	78.93	78.98	78.50	78.61	1,635,003	-0.62(-0.78%)
Dec 06, 2010	79.08	79.22	79.04	79.22	3,508,318	+0.29(+0.37%)
Dec 03, 2010	79.07	79.11	78.83	78.93	888,358	+0.16(+0.20%)
Dec 02, 2010	78.98	79.00	78.77	78.78	1,514,297	-0.16(-0.20%)

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