Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	56.59	56.80	56.37	56.70	56,955	+0.78(+1.40%)
Feb 25, 2011	55.65	56.01	55.65	55.92	77,658	+0.77(+1.39%)
Feb 24, 2011	54.96	55.35	54.67	55.15	91,021	-0.10(-0.18%)
Feb 23, 2011	55.42	55.65	54.73	55.25	122,020	-0.21(-0.37%)
Feb 22, 2011	56.27	56.27	55.28	55.46	217,719	-2.16(-3.75%)
Feb 18, 2011	57.89	57.89	57.42	57.62	57,756	+0.06(+0.10%)
Feb 17, 2011	57.31	57.67	57.18	57.56	135,695	+0.19(+0.33%)
Feb 16, 2011	57.08	57.61	57.06	57.36	183,614	+0.49(+0.86%)
Feb 15, 2011	56.74	56.94	56.58	56.87	43,757	+0.01(+0.01%)
Feb 14, 2011	57.16	57.21	56.84	56.86	68,096	+0.39(+0.69%)
Feb 11, 2011	55.83	56.75	55.75	56.47	102,038	+0.53(+0.95%)
Feb 10, 2011	55.39	56.11	55.15	55.94	146,616	-0.32(-0.57%)
Feb 09, 2011	56.62	56.62	55.84	56.26	198,764	-1.24(-2.15%)
Feb 08, 2011	57.47	57.64	57.16	57.50	92,310	-0.27(-0.46%)
Feb 07, 2011	57.62	58.01	57.62	57.77	47,817	-0.21(-0.37%)
Feb 04, 2011	58.13	58.16	57.61	57.98	153,432	+0.02(+0.03%)
Feb 03, 2011	58.15	58.19	57.74	57.97	61,146	-0.02(-0.04%)
Feb 02, 2011	58.23	58.36	57.96	57.99	45,060	+0.14(+0.25%)
Feb 01, 2011	57.48	58.10	57.48	57.85	95,318	+0.68(+1.18%)
Jan 31, 2011	57.13	57.59	57.01	57.17	81,298	+0.67(+1.18%)
Jan 28, 2011	57.68	57.68	56.32	56.50	86,502	-1.43(-2.47%)
Jan 27, 2011	58.09	58.18	57.81	57.94	132,390	+0.08(+0.13%)
Jan 26, 2011	57.88	58.06	57.69	57.86	134,873	+0.49(+0.85%)
Jan 25, 2011	57.38	57.56	56.98	57.38	237,231	-0.26(-0.46%)
Jan 24, 2011	57.35	57.67	57.32	57.64	79,624	-0.11(-0.18%)
Jan 21, 2011	58.41	58.49	57.73	57.74	106,323	-0.53(-0.90%)
Jan 20, 2011	58.67	58.67	57.71	58.27	98,068	-0.82(-1.38%)
Jan 19, 2011	59.67	59.67	58.88	59.09	123,410	-0.20(-0.34%)
Jan 18, 2011	59.20	59.30	58.92	59.29	84,350	-0.39(-0.65%)
Jan 14, 2011	59.51	59.72	59.31	59.68	49,112	+0.14(+0.23%)
Jan 13, 2011	59.79	59.79	59.36	59.54	85,849	-0.14(-0.23%)
Jan 12, 2011	59.87	59.87	59.42	59.68	87,630	+0.94(+1.60%)
Jan 11, 2011	58.87	58.97	58.63	58.74	90,004	+0.42(+0.71%)
Jan 10, 2011	58.24	58.40	58.01	58.32	91,251	-0.39(-0.66%)
Jan 07, 2011	58.94	59.12	58.22	58.72	62,009	-0.26(-0.44%)
Jan 06, 2011	59.00	59.11	58.76	58.97	241,392	-0.37(-0.62%)
Jan 05, 2011	58.88	59.45	58.81	59.34	172,371	+0.30(+0.51%)
Jan 04, 2011	58.98	59.04	58.49	59.04	119,806	+0.91(+1.57%)
Jan 03, 2011	58.26	58.39	58.07	58.13	123,227	+0.90(+1.57%)
Dec 31, 2010	57.19	57.30	57.11	57.23	58,394	+0.39(+0.69%)
Dec 30, 2010	57.10	57.25	56.81	56.84	75,004	-0.14(-0.24%)
Dec 29, 2010	56.86	57.09	56.79	56.98	165,419	+0.75(+1.34%)
Dec 28, 2010	56.46	56.46	55.98	56.23	290,910	-0.66(-1.15%)
Dec 27, 2010	56.45	57.01	56.35	56.88	374,586	-0.21(-0.36%)
Dec 23, 2010	57.12	57.17	56.92	57.09	417,693	-0.44(-0.76%)
Dec 22, 2010	57.70	57.71	57.42	57.53	1,095,148	-0.17(-0.30%)
Dec 21, 2010	57.26	57.82	57.24	57.70	113,975	+1.18(+2.09%)
Dec 20, 2010	56.68	56.75	56.30	56.52	248,542	-0.35(-0.62%)
Dec 17, 2010	56.71	56.98	56.68	56.87	132,598	+0.00(+0.01%)
Dec 16, 2010	56.92	56.99	56.64	56.87	209,034	-0.47(-0.82%)
Dec 15, 2010	57.80	57.95	57.23	57.34	96,141	-1.15(-1.97%)
Dec 14, 2010	58.87	58.88	58.27	58.49	137,177	-0.20(-0.34%)
Dec 13, 2010	58.90	59.15	58.69	58.69	91,494	+0.35(+0.60%)
Dec 10, 2010	58.19	58.46	58.19	58.34	56,078	+0.19(+0.32%)
Dec 09, 2010	58.26	58.26	57.90	58.16	74,911	-0.02(-0.03%)
Dec 08, 2010	58.62	58.71	57.94	58.17	109,584	-0.67(-1.14%)
Dec 07, 2010	59.60	59.74	58.84	58.84	975,483	-0.17(-0.29%)
Dec 06, 2010	58.89	59.09	58.75	59.02	76,098	-0.45(-0.76%)
Dec 03, 2010	58.74	59.61	58.74	59.47	85,729	-0.47(-0.78%)
Dec 02, 2010	59.18	60.11	59.17	59.94	194,111	+0.84(+1.42%)

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