Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	64.92	65.20	64.50	64.82	270,438	+0.42(+0.65%)
Feb 25, 2011	63.50	64.47	63.31	64.40	371,784	+1.40(+2.22%)
Feb 24, 2011	63.10	63.28	62.70	63.00	237,606	-0.13(-0.21%)
Feb 23, 2011	63.48	63.97	62.78	63.13	245,034	-0.41(-0.65%)
Feb 22, 2011	64.55	64.80	63.22	63.54	329,372	-1.12(-1.73%)
Feb 18, 2011	64.63	65.41	64.55	64.66	403,132	-0.04(-0.06%)
Feb 17, 2011	64.50	64.70	64.01	64.70	207,674	+0.20(+0.31%)
Feb 16, 2011	64.91	64.97	64.38	64.50	380,225	-1.09(-1.66%)
Feb 15, 2011	65.50	65.60	65.05	65.59	358,429	+0.20(+0.31%)
Feb 14, 2011	65.14	65.41	65.01	65.39	256,157	+0.30(+0.46%)
Feb 11, 2011	64.50	65.09	64.50	65.09	194,634	+0.45(+0.70%)
Feb 10, 2011	64.94	64.99	64.56	64.64	176,046	-0.34(-0.52%)
Feb 09, 2011	65.15	65.20	64.71	64.98	194,015	-0.28(-0.43%)
Feb 08, 2011	65.37	65.40	65.00	65.26	228,506	-0.08(-0.12%)
Feb 07, 2011	65.48	65.48	65.14	65.34	220,296	-0.04(-0.06%)
Feb 04, 2011	65.41	65.60	65.01	65.38	205,508	-0.07(-0.11%)
Feb 03, 2011	65.26	65.48	65.00	65.45	246,400	+0.14(+0.21%)
Feb 02, 2011	65.00	65.38	65.00	65.31	387,869	+0.38(+0.59%)
Feb 01, 2011	64.68	65.23	64.55	64.93	612,872	+0.27(+0.42%)
Jan 31, 2011	64.66	64.75	64.25	64.66	539,878	+0.01(+0.02%)
Jan 28, 2011	64.29	64.65	64.00	64.65	3,689,758	-2.69(-3.99%)
Jan 27, 2011	66.50	67.62	66.50	67.34	357,794	+0.48(+0.72%)
Jan 26, 2011	68.04	68.04	66.15	66.86	465,098	-0.93(-1.37%)
Jan 25, 2011	68.68	68.68	67.66	67.79	101,732	-0.67(-0.98%)
Jan 24, 2011	67.39	68.46	67.11	68.46	141,881	+1.45(+2.16%)
Jan 21, 2011	66.61	67.34	66.61	67.01	90,126	+0.51(+0.77%)
Jan 20, 2011	67.10	67.27	65.51	66.50	246,069	-0.75(-1.12%)
Jan 19, 2011	68.45	68.50	67.16	67.25	106,472	-1.10(-1.61%)
Jan 18, 2011	68.81	68.81	67.94	68.35	154,248	-0.17(-0.25%)
Jan 14, 2011	68.50	68.80	68.19	68.52	94,766	+0.14(+0.20%)
Jan 13, 2011	68.38	68.50	67.93	68.38	100,276	+0.10(+0.15%)
Jan 12, 2011	68.17	68.50	67.78	68.28	95,722	+0.28(+0.41%)
Jan 11, 2011	68.19	68.46	67.85	68.00	99,570	+0.25(+0.37%)
Jan 10, 2011	67.50	68.36	66.86	67.75	116,431	+1.02(+1.53%)
Jan 07, 2011	66.44	66.82	66.00	66.73	65,752	+0.29(+0.44%)
Jan 06, 2011	66.80	67.04	66.00	66.44	108,998	-0.33(-0.49%)
Jan 05, 2011	67.04	67.05	66.58	66.77	84,203	-0.25(-0.37%)
Jan 04, 2011	67.89	68.25	66.73	67.02	102,298	-0.56(-0.83%)
Jan 03, 2011	67.95	68.16	67.00	67.58	106,521	+0.75(+1.12%)
Dec 31, 2010	67.09	67.40	66.83	66.83	75,014	-0.50(-0.74%)
Dec 30, 2010	66.50	67.50	66.50	67.33	72,304	+0.70(+1.05%)
Dec 29, 2010	66.58	66.96	66.47	66.63	93,403	+0.02(+0.03%)
Dec 28, 2010	66.60	66.82	66.04	66.61	91,477	+0.03(+0.05%)
Dec 27, 2010	66.51	66.80	66.27	66.58	71,445	-0.04(-0.06%)
Dec 23, 2010	66.50	66.90	66.29	66.62	54,382	-0.02(-0.03%)
Dec 22, 2010	66.20	66.80	65.88	66.64	107,226	+0.45(+0.68%)
Dec 21, 2010	65.52	66.30	65.22	66.19	123,275	+1.02(+1.57%)
Dec 20, 2010	64.90	65.56	64.16	65.17	153,163	+0.77(+1.20%)
Dec 17, 2010	65.75	65.89	64.40	64.40	159,264	-1.48(-2.25%)
Dec 16, 2010	65.67	65.89	65.07	65.88	95,571	+0.10(+0.15%)
Dec 15, 2010	67.33	67.33	65.27	65.78	122,425	-1.88(-2.78%)
Dec 14, 2010	68.72	68.73	67.50	67.66	105,630	-1.26(-1.83%)
Dec 13, 2010	68.05	68.92	67.49	68.92	123,212	+1.41(+2.09%)
Dec 10, 2010	67.17	67.94	67.05	67.51	115,766	+0.07(+0.10%)
Dec 09, 2010	66.98	67.54	66.88	67.44	95,288	+0.52(+0.78%)
Dec 08, 2010	67.50	67.57	66.55	66.92	77,667	-0.42(-0.62%)
Dec 07, 2010	66.65	67.74	66.65	67.34	125,072	+0.88(+1.32%)
Dec 06, 2010	67.14	67.49	66.28	66.46	99,836	-1.36(-2.01%)
Dec 03, 2010	67.87	67.98	67.27	67.82	64,508	-0.25(-0.37%)
Dec 02, 2010	68.24	68.73	67.16	68.07	104,992	-0.04(-0.06%)

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