Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2013	83.01	83.08	82.98	83.08	1,616,542	+0.07(+0.09%)
Feb 27, 2013	83.08	83.09	82.93	83.01	694,010	+0.02(+0.03%)
Feb 26, 2013	82.94	83.09	82.94	82.99	1,068,810	-0.02(-0.03%)
Feb 25, 2013	82.68	83.05	82.61	83.01	1,576,007	+0.31(+0.38%)
Feb 22, 2013	82.69	82.72	82.68	82.69	1,274,743	+0.05(+0.05%)
Feb 21, 2013	82.66	82.74	82.64	82.65	1,106,529	+0.04(+0.05%)
Feb 20, 2013	82.53	82.65	82.48	82.60	2,706,433	+0.05(+0.06%)
Feb 19, 2013	82.66	82.68	82.51	82.55	1,855,867	-0.10(-0.12%)
Feb 15, 2013	82.60	82.65	82.51	82.65	2,487,387	+0.01(+0.01%)
Feb 14, 2013	82.47	82.64	82.47	82.64	976,319	+0.15(+0.18%)
Feb 13, 2013	82.42	82.53	82.42	82.49	1,203,463	-0.08(-0.10%)
Feb 12, 2013	82.54	82.60	82.52	82.57	889,393	-0.02(-0.02%)
Feb 11, 2013	82.65	82.65	82.56	82.59	1,846,293	-0.08(-0.10%)
Feb 08, 2013	82.59	82.67	82.50	82.67	908,918	+0.02(+0.03%)
Feb 07, 2013	82.60	82.72	82.58	82.65	1,531,182	+0.03(+0.04%)
Feb 06, 2013	82.55	82.66	82.54	82.62	1,640,149	-0.03(-0.04%)
Feb 04, 2013	82.53	82.67	82.53	82.65	1,074,248	+0.23(+0.28%)
Feb 01, 2013	82.75	82.75	82.40	82.42	1,787,533	-0.18(-0.22%)
Jan 31, 2013	82.53	82.60	82.50	82.60	2,632,921	+0.07(+0.09%)
Jan 30, 2013	82.46	82.53	82.42	82.52	1,820,566	-0.04(-0.05%)
Jan 29, 2013	82.61	82.67	82.50	82.56	1,119,511	-0.05(-0.06%)
Jan 28, 2013	82.51	82.62	82.51	82.61	1,426,925	-0.12(-0.14%)
Jan 25, 2013	82.75	82.82	82.67	82.73	1,173,112	-0.20(-0.24%)
Jan 24, 2013	82.97	83.01	82.92	82.93	881,755	-0.11(-0.14%)
Jan 23, 2013	83.02	83.06	82.68	83.04	1,862,798	+0.09(+0.11%)
Jan 22, 2013	82.86	83.01	82.86	82.95	1,949,980	-0.04(-0.05%)
Jan 18, 2013	82.96	83.01	82.92	83.00	874,965	+0.10(+0.12%)
Jan 17, 2013	82.89	82.98	82.83	82.90	1,711,974	-0.18(-0.22%)
Jan 16, 2013	83.07	83.13	82.99	83.08	1,646,561	+0.04(+0.05%)
Jan 15, 2013	83.06	83.10	83.01	83.04	3,422,889	+0.02(+0.03%)
Jan 14, 2013	83.01	83.06	82.95	83.01	1,162,917	+0.07(+0.09%)
Jan 11, 2013	82.78	82.98	82.77	82.94	1,496,899	+0.08(+0.10%)
Jan 10, 2013	82.83	82.91	82.79	82.86	1,508,415	-0.01(-0.01%)
Jan 09, 2013	82.94	82.94	82.83	82.86	1,800,115	-0.06(-0.07%)
Jan 08, 2013	82.89	82.97	82.86	82.92	2,384,940	+0.07(+0.09%)
Jan 07, 2013	82.89	82.92	82.81	82.85	2,478,366	-0.04(-0.05%)
Jan 04, 2013	82.74	82.90	82.72	82.89	1,719,769	+0.09(+0.11%)
Jan 03, 2013	83.06	83.11	82.78	82.80	2,356,102	-0.21(-0.25%)
Jan 02, 2013	82.96	83.05	82.92	83.01	1,519,984	-0.10(-0.12%)
Dec 31, 2012	83.24	83.25	83.07	83.11	1,209,491	-0.15(-0.18%)
Dec 28, 2012	83.27	83.28	83.16	83.26	1,731,835	+0.13(+0.15%)
Dec 27, 2012	83.09	83.24	83.04	83.13	964,995	+0.04(+0.05%)
Dec 26, 2012	83.02	83.10	83.02	83.09	769,618	+0.11(+0.14%)
Dec 24, 2012	82.95	83.00	82.94	82.98	440,848	+0.01(+0.01%)
Dec 21, 2012	83.02	83.05	82.95	82.97	1,304,021	+0.07(+0.09%)
Dec 20, 2012	82.95	83.00	82.86	82.90	1,503,453	+0.01(+0.01%)
Dec 19, 2012	82.82	82.95	82.82	82.89	1,491,938	+0.14(+0.17%)
Dec 18, 2012	82.88	82.93	82.69	82.75	1,890,381	-0.19(-0.23%)
Dec 17, 2012	83.14	83.15	82.91	82.94	1,960,811	-0.20(-0.24%)
Dec 14, 2012	83.13	83.19	83.09	83.14	2,248,394	+0.15(+0.18%)
Dec 13, 2012	83.10	83.13	82.98	82.99	1,620,076	-0.13(-0.16%)
Dec 12, 2012	83.32	83.37	83.13	83.13	1,940,048	-0.23(-0.28%)
Dec 11, 2012	83.33	83.37	83.29	83.36	1,090,263	-0.03(-0.04%)
Dec 10, 2012	83.36	83.41	83.34	83.39	1,129,600	+0.02(+0.02%)
Dec 07, 2012	83.34	83.41	83.29	83.37	1,293,924	-0.07(-0.09%)
Dec 06, 2012	83.45	83.51	83.42	83.45	695,518	-0.01(-0.01%)
Dec 05, 2012	83.39	83.47	83.39	83.45	720,326	+0.07(+0.09%)

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