Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	72.41	72.61	71.42	71.89	3,630,615	-0.32(-0.44%)
Feb 25, 2011	71.20	72.46	70.93	72.21	2,824,820	+1.67(+2.37%)
Feb 24, 2011	70.67	71.74	69.67	70.54	3,924,039	-0.37(-0.52%)
Feb 23, 2011	70.67	71.30	69.25	70.91	6,046,697	-0.35(-0.49%)
Feb 22, 2011	71.09	73.24	71.01	71.26	3,999,349	-1.13(-1.56%)
Feb 18, 2011	74.45	74.46	72.03	72.39	5,191,289	-1.76(-2.37%)
Feb 17, 2011	72.62	74.56	72.05	74.15	4,460,463	+1.16(+1.59%)
Feb 16, 2011	72.23	74.10	72.14	72.99	5,569,260	+1.45(+2.03%)
Feb 15, 2011	74.79	74.98	70.69	71.54	8,510,991	-3.59(-4.78%)
Feb 14, 2011	74.87	75.88	74.77	75.13	3,931,145	+0.08(+0.11%)
Feb 11, 2011	74.49	75.55	74.11	75.05	3,814,493	+0.08(+0.11%)
Feb 10, 2011	74.28	75.50	73.74	74.97	3,871,488	-0.26(-0.35%)
Feb 09, 2011	74.70	75.99	74.31	75.23	4,265,591	+0.53(+0.71%)
Feb 08, 2011	75.28	75.50	74.15	74.70	3,729,896	-0.85(-1.13%)
Feb 07, 2011	75.05	75.80	75.04	75.55	3,996,578	+0.89(+1.19%)
Feb 04, 2011	75.12	75.22	73.92	74.66	3,642,281	-0.17(-0.23%)
Feb 03, 2011	76.00	76.10	73.76	74.83	3,219,846	-0.61(-0.81%)
Feb 02, 2011	76.36	76.69	74.51	75.44	4,160,837	-0.61(-0.80%)
Feb 01, 2011	74.43	76.06	74.29	76.05	5,388,366	+2.67(+3.64%)
Jan 31, 2011	71.39	73.38	71.21	73.38	3,636,840	+1.84(+2.57%)
Jan 28, 2011	73.56	74.56	71.53	71.54	4,168,571	-2.14(-2.90%)
Jan 27, 2011	73.85	74.66	72.30	73.68	4,546,928	+0.14(+0.19%)
Jan 26, 2011	72.28	73.85	72.13	73.54	5,393,678	+1.36(+1.88%)
Jan 25, 2011	71.06	72.21	70.48	72.18	4,262,044	+1.06(+1.49%)
Jan 24, 2011	71.26	71.61	70.37	71.12	4,506,547	+1.01(+1.44%)
Jan 21, 2011	70.33	71.20	69.71	70.11	4,555,823	+0.44(+0.63%)
Jan 20, 2011	71.16	71.32	68.50	69.67	8,868,769	-1.52(-2.14%)
Jan 19, 2011	74.38	74.38	70.65	71.19	6,966,368	-3.44(-4.61%)
Jan 18, 2011	74.27	74.88	73.67	74.63	4,645,467	+0.30(+0.40%)
Jan 14, 2011	74.79	74.90	73.73	74.33	5,246,006	-0.45(-0.60%)
Jan 13, 2011	74.68	75.00	73.73	74.78	5,367,777	-0.14(-0.19%)
Jan 12, 2011	73.23	75.34	73.23	74.92	8,569,342	+2.40(+3.31%)
Jan 11, 2011	71.92	72.75	71.69	72.52	6,011,311	+1.15(+1.61%)
Jan 10, 2011	71.28	71.50	70.60	71.37	4,786,652	-0.42(-0.59%)
Jan 07, 2011	71.11	71.80	70.90	71.79	6,466,610	+1.00(+1.41%)
Jan 06, 2011	68.65	72.65	68.58	70.79	18,944,836	+1.78(+2.58%)
Jan 05, 2011	69.14	69.39	68.30	69.01	5,868,425	-0.06(-0.09%)
Jan 04, 2011	69.53	70.27	68.25	69.07	9,434,396	+0.21(+0.30%)
Jan 03, 2011	69.99	69.99	68.68	68.86	5,135,518	-0.78(-1.12%)
Dec 31, 2010	69.47	69.82	69.14	69.64	2,330,487	-0.08(-0.11%)
Dec 30, 2010	69.10	69.78	68.59	69.72	5,967,816	+0.80(+1.16%)
Dec 29, 2010	67.52	69.36	67.50	68.92	5,493,187	+1.81(+2.70%)
Dec 28, 2010	66.64	67.39	66.55	67.11	2,737,588	+0.40(+0.60%)
Dec 27, 2010	66.14	66.87	66.10	66.71	2,173,008	+0.11(+0.17%)
Dec 23, 2010	66.30	66.98	66.01	66.60	3,859,927	+0.15(+0.23%)
Dec 22, 2010	66.37	66.87	66.09	66.45	2,996,767	+0.15(+0.23%)
Dec 21, 2010	65.50	66.88	65.39	66.30	5,566,401	+1.12(+1.72%)
Dec 20, 2010	64.52	65.28	64.40	65.18	4,331,157	+0.58(+0.90%)
Dec 17, 2010	63.26	65.41	63.10	64.60	11,363,288	+1.60(+2.54%)
Dec 16, 2010	60.55	63.04	59.93	63.00	6,840,682	+2.48(+4.10%)
Dec 15, 2010	60.43	61.50	60.28	60.52	3,681,537	-0.14(-0.23%)
Dec 14, 2010	60.79	61.35	60.50	60.66	3,891,683	-0.35(-0.57%)
Dec 13, 2010	61.76	62.00	60.80	61.01	4,877,053	+0.06(+0.10%)
Dec 10, 2010	61.08	61.41	60.55	60.95	3,277,554	-0.05(-0.08%)
Dec 09, 2010	61.49	61.67	60.50	61.00	4,668,008	-0.27(-0.44%)
Dec 08, 2010	62.08	62.37	60.85	61.27	3,702,614	-0.56(-0.91%)
Dec 07, 2010	63.01	63.16	61.70	61.83	4,458,154	-0.71(-1.13%)
Dec 06, 2010	62.53	63.56	62.35	62.54	3,782,673	-0.28(-0.45%)
Dec 03, 2010	61.55	63.00	61.45	62.82	3,956,226	+0.47(+0.75%)
Dec 02, 2010	61.67	62.94	61.34	62.35	4,896,361	+0.62(+1.00%)

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