Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	78.98	79.00	78.80	78.80	1,353,329	-0.09(-0.11%)
Mar 30, 2011	78.89	78.89	78.89	78.89	1,055,971	+0.13(+0.17%)
Mar 29, 2011	78.79	78.93	78.72	78.75	717,884	-0.10(-0.12%)
Mar 28, 2011	78.80	78.90	78.76	78.85	1,925,897	-0.04(-0.05%)
Mar 25, 2011	79.10	79.10	78.84	78.89	1,082,269	-0.07(-0.09%)
Mar 24, 2011	79.05	79.10	78.91	78.96	2,094,568	-0.22(-0.27%)
Mar 23, 2011	79.32	79.34	79.13	79.17	630,010	-0.04(-0.05%)
Mar 22, 2011	79.12	79.25	79.11	79.21	806,842	+0.01(+0.01%)
Mar 21, 2011	79.20	79.29	79.17	79.20	614,820	-0.19(-0.24%)
Mar 18, 2011	79.31	79.42	79.25	79.39	510,749	-0.03(-0.04%)
Mar 17, 2011	79.35	79.51	79.26	79.42	780,155	-0.19(-0.24%)
Mar 16, 2011	79.42	79.86	79.35	79.61	1,350,375	+0.36(+0.45%)
Mar 15, 2011	79.40	79.42	79.23	79.25	897,252	+0.03(+0.04%)
Mar 14, 2011	79.32	79.44	79.22	79.22	554,863	+0.05(+0.06%)
Mar 11, 2011	79.18	79.26	79.08	79.17	632,065	+0.02(+0.02%)
Mar 10, 2011	79.01	79.20	78.91	79.16	624,240	+0.28(+0.35%)
Mar 09, 2011	78.74	78.98	78.67	78.88	787,941	+0.19(+0.24%)
Mar 08, 2011	78.75	78.75	78.63	78.69	703,366	-0.06(-0.08%)
Mar 07, 2011	78.66	78.87	78.56	78.75	828,658	+0.04(+0.05%)
Mar 04, 2011	78.62	78.78	78.59	78.72	1,016,130	+0.21(+0.27%)
Mar 03, 2011	78.63	78.64	78.46	78.51	825,416	-0.28(-0.35%)
Mar 02, 2011	78.93	78.99	78.77	78.78	675,349	-0.13(-0.16%)
Mar 01, 2011	78.78	78.98	78.74	78.91	981,518	-0.06(-0.08%)
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%)

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