Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	81.43	81.44	81.38	81.41	312,666	-0.04(-0.05%)
Feb 28, 2012	81.50	81.51	81.44	81.45	242,783	+0.03(+0.04%)
Feb 27, 2012	81.41	81.47	81.41	81.42	182,920	-0.02(-0.03%)
Feb 24, 2012	81.44	81.46	81.39	81.44	208,611	+0.01(+0.01%)
Feb 23, 2012	81.39	81.44	81.39	81.44	146,352	+0.06(+0.08%)
Feb 22, 2012	81.37	81.40	81.35	81.37	192,921	+0.02(+0.02%)
Feb 21, 2012	81.38	81.38	81.35	81.35	141,446	+0.00(+0.00%)
Feb 17, 2012	81.35	81.37	81.33	81.35	107,125	+0.01(+0.01%)
Feb 16, 2012	81.35	81.37	81.32	81.35	153,066	+0.04(+0.05%)
Feb 15, 2012	81.35	81.35	81.31	81.31	155,393	+0.00(+0.00%)
Feb 14, 2012	81.32	81.32	81.27	81.31	217,354	-0.01(-0.01%)
Feb 13, 2012	81.32	81.32	81.24	81.31	160,396	+0.03(+0.04%)
Feb 10, 2012	81.27	81.34	81.23	81.28	244,381	+0.05(+0.06%)
Feb 09, 2012	81.22	81.24	81.21	81.23	177,581	-0.02(-0.02%)
Feb 08, 2012	81.21	81.26	81.21	81.25	134,874	+0.06(+0.08%)
Feb 07, 2012	81.20	81.20	81.13	81.19	138,584	+0.06(+0.07%)
Feb 06, 2012	81.18	81.19	81.10	81.13	1,850,435	-0.02(-0.02%)
Feb 03, 2012	81.13	81.15	81.10	81.14	255,107	+0.08(+0.10%)
Feb 02, 2012	81.12	81.12	81.06	81.06	3,645,670	+0.02(+0.02%)
Feb 01, 2012	81.03	81.10	81.03	81.05	217,855	+0.03(+0.04%)
Jan 31, 2012	81.09	81.09	81.02	81.02	105,172	-0.06(-0.08%)
Jan 30, 2012	81.11	81.11	81.04	81.08	138,163	+0.01(+0.01%)
Jan 27, 2012	81.05	81.10	81.03	81.07	88,283	+0.03(+0.04%)
Jan 26, 2012	81.03	81.13	81.03	81.04	172,895	-0.01(-0.01%)
Jan 25, 2012	81.02	81.14	81.01	81.05	366,829	+0.01(+0.01%)
Jan 24, 2012	81.01	81.06	80.98	81.04	334,633	+0.01(+0.01%)
Jan 23, 2012	81.04	81.04	80.98	81.03	122,484	+0.02(+0.02%)
Jan 20, 2012	80.92	81.02	80.92	81.02	82,723	+0.10(+0.13%)
Jan 19, 2012	80.89	80.94	80.89	80.91	176,048	-0.02(-0.03%)
Jan 18, 2012	80.84	80.94	80.82	80.94	252,591	+0.05(+0.06%)
Jan 17, 2012	80.85	80.93	80.85	80.89	147,099	-0.02(-0.03%)
Jan 13, 2012	80.85	80.92	80.84	80.91	158,306	+0.03(+0.04%)
Jan 12, 2012	80.81	80.88	80.80	80.88	74,426	+0.09(+0.11%)
Jan 11, 2012	80.78	80.82	80.77	80.79	156,106	+0.07(+0.09%)
Jan 10, 2012	80.80	80.80	80.72	80.72	599,736	-0.08(-0.10%)
Jan 09, 2012	80.75	80.80	80.75	80.80	97,240	+0.05(+0.06%)
Jan 06, 2012	80.79	80.80	80.74	80.75	180,165	-0.02(-0.02%)
Jan 05, 2012	80.70	80.77	80.70	80.77	95,009	+0.02(+0.02%)
Jan 04, 2012	80.69	80.75	80.67	80.75	161,084	-0.02(-0.02%)
Dec 30, 2011	80.72	80.81	80.72	80.77	130,144	+0.01(+0.01%)
Dec 29, 2011	80.71	80.78	80.69	80.76	409,949	+0.06(+0.07%)
Dec 28, 2011	80.67	80.72	80.66	80.70	130,573	-0.07(-0.09%)
Dec 27, 2011	80.73	80.81	80.73	80.77	183,535	+0.03(+0.03%)
Dec 23, 2011	80.80	80.94	80.71	80.75	122,755	+0.03(+0.04%)
Dec 21, 2011	80.73	80.78	80.72	80.72	137,913	-0.04(-0.05%)
Dec 20, 2011	80.73	80.77	80.72	80.76	142,504	-0.02(-0.03%)
Dec 19, 2011	80.73	80.79	80.73	80.78	140,717	-0.01(-0.01%)
Dec 16, 2011	80.77	80.79	80.75	80.79	121,712	+0.03(+0.04%)
Dec 15, 2011	80.74	80.76	80.69	80.76	191,475	+0.00(+0.00%)
Dec 14, 2011	80.75	80.76	80.71	80.76	110,341	+0.02(+0.02%)
Dec 13, 2011	80.76	80.79	80.71	80.74	117,117	-0.02(-0.03%)
Dec 12, 2011	80.77	80.80	80.74	80.77	242,754	+0.02(+0.02%)
Dec 09, 2011	80.77	80.81	80.73	80.75	211,830	-0.07(-0.09%)
Dec 08, 2011	80.83	80.83	80.77	80.82	239,439	+0.04(+0.05%)
Dec 07, 2011	80.81	80.82	80.78	80.78	235,813	-0.05(-0.06%)
Dec 06, 2011	80.81	80.83	80.80	80.83	134,457	-0.02(-0.02%)
Dec 05, 2011	80.84	80.85	80.81	80.85	122,838	+0.03(+0.04%)
Dec 02, 2011	80.84	80.85	80.77	80.81	170,073	+0.06(+0.07%)

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