Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	80.50	80.60	80.41	80.60	67,693	+0.19(+0.24%)
Feb 25, 2011	80.23	80.45	80.22	80.40	122,143	+0.18(+0.22%)
Feb 24, 2011	80.27	80.40	80.15	80.23	48,888	+0.18(+0.22%)
Feb 23, 2011	80.10	80.32	80.04	80.05	33,811	-0.19(-0.24%)
Feb 22, 2011	79.98	80.29	79.90	80.24	77,333	+0.34(+0.42%)
Feb 18, 2011	79.68	79.90	79.58	79.90	42,688	+0.12(+0.14%)
Feb 17, 2011	79.85	79.88	79.75	79.79	49,097	+0.17(+0.21%)
Feb 16, 2011	79.68	79.84	79.55	79.62	43,799	-0.09(-0.12%)
Feb 15, 2011	79.57	79.71	79.52	79.71	65,420	+0.12(+0.14%)
Feb 14, 2011	79.33	79.68	79.33	79.60	63,498	+0.02(+0.02%)
Feb 11, 2011	79.57	79.64	79.41	79.58	30,752	+0.32(+0.41%)
Feb 10, 2011	79.33	79.47	79.14	79.26	66,896	-0.28(-0.36%)
Feb 09, 2011	79.46	79.64	79.13	79.54	62,793	+0.31(+0.40%)
Feb 08, 2011	79.41	79.48	79.10	79.23	124,856	-0.16(-0.20%)
Feb 07, 2011	79.18	79.44	79.06	79.39	124,482	+0.12(+0.15%)
Feb 04, 2011	79.47	79.49	79.12	79.27	65,988	-0.11(-0.14%)
Feb 03, 2011	79.49	79.74	79.37	79.37	42,714	-0.25(-0.32%)
Feb 02, 2011	79.75	79.86	79.49	79.63	57,885	-0.19(-0.24%)
Feb 01, 2011	79.85	79.91	79.64	79.82	40,443	-0.06(-0.08%)
Jan 31, 2011	80.12	80.20	79.84	79.88	43,161	-0.24(-0.30%)
Jan 28, 2011	79.91	80.27	79.77	80.12	51,305	+0.18(+0.22%)
Jan 27, 2011	79.94	80.08	79.68	79.95	38,760	+0.16(+0.20%)
Jan 26, 2011	80.10	80.10	79.77	79.79	76,482	-0.32(-0.40%)
Jan 25, 2011	79.97	80.20	79.70	80.11	35,429	+0.39(+0.49%)
Jan 24, 2011	80.01	80.01	79.72	79.72	56,949	-0.02(-0.02%)
Jan 21, 2011	79.52	79.74	79.42	79.74	56,588	+0.31(+0.39%)
Jan 20, 2011	79.55	79.63	79.24	79.43	52,695	-0.34(-0.42%)
Jan 19, 2011	79.81	79.83	79.68	79.77	73,090	+0.08(+0.10%)
Jan 18, 2011	79.75	79.78	79.45	79.69	72,750	-0.04(-0.05%)
Jan 14, 2011	80.05	80.12	79.73	79.73	76,596	-0.37(-0.47%)
Jan 13, 2011	79.69	80.17	79.69	80.10	68,954	+0.37(+0.47%)
Jan 12, 2011	79.83	79.96	79.55	79.73	108,298	-0.05(-0.06%)
Jan 11, 2011	79.90	79.90	79.52	79.78	80,807	-0.10(-0.12%)
Jan 10, 2011	79.90	79.97	79.78	79.88	41,903	+0.02(+0.02%)
Jan 07, 2011	79.61	79.99	79.49	79.86	49,956	+0.39(+0.49%)
Jan 06, 2011	79.38	79.58	79.31	79.47	37,839	+0.21(+0.26%)
Jan 05, 2011	79.61	79.61	79.16	79.26	62,740	-0.51(-0.64%)
Jan 04, 2011	79.91	79.99	79.66	79.78	30,939	+0.05(+0.07%)
Jan 03, 2011	79.62	79.81	79.36	79.72	108,175	+0.08(+0.10%)
Dec 31, 2010	79.52	79.80	79.52	79.65	48,673	+0.28(+0.36%)
Dec 30, 2010	79.24	79.40	79.10	79.36	47,957	-0.02(-0.02%)
Dec 29, 2010	78.82	79.63	78.71	79.38	52,880	+0.56(+0.71%)
Dec 28, 2010	79.48	79.48	78.74	78.82	49,085	-0.54(-0.67%)
Dec 27, 2010	79.15	79.36	78.97	79.35	60,612	+0.14(+0.18%)
Dec 23, 2010	79.27	79.27	79.09	79.21	29,048	-0.08(-0.10%)
Dec 22, 2010	79.42	79.44	79.10	79.29	30,243	-0.05(-0.07%)
Dec 21, 2010	79.39	79.41	79.07	79.34	29,834	+0.12(+0.15%)
Dec 20, 2010	79.26	79.55	79.15	79.22	39,485	-0.04(-0.05%)
Dec 17, 2010	78.94	79.40	78.81	79.26	42,630	+0.58(+0.74%)
Dec 16, 2010	78.59	78.69	78.20	78.68	146,400	+0.32(+0.41%)
Dec 15, 2010	78.87	78.91	78.21	78.36	86,489	-0.34(-0.44%)
Dec 14, 2010	79.01	79.01	78.50	78.70	87,868	-0.31(-0.40%)
Dec 13, 2010	78.94	79.33	78.82	79.01	240,123	+0.02(+0.02%)
Dec 10, 2010	79.14	79.40	78.97	79.00	77,532	-0.42(-0.53%)
Dec 09, 2010	79.24	79.45	79.03	79.42	557,284	+0.32(+0.40%)
Dec 08, 2010	79.42	79.42	78.75	79.10	100,092	-0.39(-0.49%)
Dec 07, 2010	79.98	79.98	79.34	79.49	57,361	-0.70(-0.87%)
Dec 06, 2010	79.98	80.19	79.91	80.19	24,096	+0.49(+0.61%)
Dec 03, 2010	80.22	80.22	79.64	79.70	57,494	-0.05(-0.06%)
Dec 02, 2010	79.77	80.03	79.70	79.74	67,379	-0.11(-0.13%)

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