Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	53.55	53.69	53.16	53.32	1,625,893	-0.12(-0.22%)
Feb 25, 2011	53.02	53.47	52.63	53.44	1,617,354	+0.54(+1.03%)
Feb 24, 2011	52.24	53.21	52.18	52.89	2,387,031	+0.82(+1.57%)
Feb 23, 2011	52.83	53.13	51.80	52.07	2,659,348	-0.74(-1.41%)
Feb 22, 2011	54.84	54.87	52.68	52.82	3,271,537	-2.42(-4.37%)
Feb 18, 2011	55.25	55.56	55.09	55.23	1,846,321	-0.01(-0.03%)
Feb 17, 2011	54.98	55.57	54.89	55.25	1,030,121	+0.07(+0.12%)
Feb 16, 2011	54.58	55.62	54.42	55.18	1,262,154	+0.64(+1.17%)
Feb 15, 2011	54.46	54.78	54.16	54.54	1,491,376	+0.10(+0.19%)
Feb 14, 2011	55.30	55.59	54.41	54.44	1,831,240	-0.85(-1.55%)
Feb 11, 2011	54.58	55.51	54.43	55.29	2,073,097	+0.35(+0.63%)
Feb 10, 2011	54.03	55.06	54.03	54.95	1,364,120	+0.50(+0.92%)
Feb 09, 2011	54.00	54.56	53.83	54.45	1,107,995	+0.26(+0.48%)
Feb 08, 2011	54.52	54.56	53.77	54.19	1,886,747	-0.40(-0.73%)
Feb 07, 2011	54.54	54.78	54.05	54.58	1,537,283	+0.04(+0.07%)
Feb 04, 2011	54.80	54.80	54.00	54.55	1,864,074	-0.28(-0.51%)
Feb 03, 2011	54.21	55.29	54.19	54.83	2,765,864	+0.52(+0.95%)
Feb 02, 2011	55.39	57.60	54.28	54.31	7,226,472	-3.29(-5.70%)
Feb 01, 2011	57.03	57.92	56.91	57.60	2,342,417	+0.82(+1.44%)
Jan 31, 2011	56.06	56.92	55.87	56.78	1,662,320	+0.78(+1.39%)
Jan 28, 2011	57.44	57.51	55.90	56.00	2,268,082	-1.26(-2.20%)
Jan 27, 2011	57.34	57.55	57.20	57.26	1,888,608	-0.28(-0.49%)
Jan 26, 2011	57.34	57.72	57.05	57.54	1,226,767	+0.21(+0.37%)
Jan 25, 2011	56.98	57.36	56.58	57.32	1,484,992	+0.06(+0.10%)
Jan 24, 2011	57.26	57.54	56.93	57.27	992,802	+0.10(+0.17%)
Jan 21, 2011	57.49	57.49	56.87	57.17	1,368,671	-0.13(-0.23%)
Jan 20, 2011	57.32	57.82	57.02	57.30	1,567,031	+0.06(+0.10%)
Jan 19, 2011	58.19	58.19	57.00	57.24	2,197,413	-1.19(-2.03%)
Jan 18, 2011	58.23	58.55	58.16	58.43	1,255,416	+0.33(+0.57%)
Jan 14, 2011	58.42	58.67	58.05	58.10	2,008,049	-0.37(-0.63%)
Jan 13, 2011	58.64	58.89	58.27	58.47	810,236	-0.27(-0.46%)
Jan 12, 2011	58.86	58.89	58.58	58.74	836,976	+0.18(+0.30%)
Jan 11, 2011	58.71	58.99	58.14	58.56	1,038,057	-0.05(-0.09%)
Jan 10, 2011	58.36	58.80	57.97	58.61	2,081,713	+0.01(+0.03%)
Jan 07, 2011	58.86	59.18	58.30	58.60	2,419,886	-0.06(-0.10%)
Jan 06, 2011	58.77	59.11	58.33	58.66	2,197,538	-0.18(-0.30%)
Jan 05, 2011	58.34	59.28	58.30	58.83	2,693,793	-0.42(-0.71%)
Jan 04, 2011	59.16	59.56	58.96	59.25	2,388,032	-0.78(-1.30%)
Jan 03, 2011	59.59	60.43	59.59	60.04	2,332,955	+0.97(+1.65%)
Dec 31, 2010	58.86	59.28	58.66	59.06	1,604,821	+0.08(+0.14%)
Dec 30, 2010	59.29	59.39	58.72	58.98	1,139,978	-0.31(-0.52%)
Dec 29, 2010	58.92	59.67	58.64	59.29	1,405,647	+0.60(+1.02%)
Dec 28, 2010	58.75	59.09	58.34	58.69	916,601	-0.05(-0.09%)
Dec 27, 2010	58.55	58.97	58.41	58.75	728,856	+0.04(+0.06%)
Dec 23, 2010	58.69	58.97	58.57	58.71	865,797	-0.15(-0.25%)
Dec 22, 2010	58.84	59.10	58.60	58.86	1,143,215	-0.09(-0.15%)
Dec 21, 2010	58.39	59.37	58.27	58.95	1,303,209	+0.76(+1.30%)
Dec 20, 2010	58.29	58.40	57.63	58.19	1,767,241	+0.00(+0.00%)
Dec 17, 2010	57.89	58.54	57.53	58.19	3,754,124	-0.15(-0.25%)
Dec 16, 2010	57.72	58.60	57.53	58.33	1,622,687	+0.71(+1.24%)
Dec 15, 2010	57.45	58.13	57.39	57.62	1,593,123	+0.04(+0.08%)
Dec 14, 2010	57.49	57.76	57.25	57.58	1,003,288	+0.29(+0.50%)
Dec 13, 2010	57.50	57.60	57.03	57.29	1,222,404	-0.04(-0.06%)
Dec 10, 2010	57.20	57.39	56.68	57.33	1,442,274	+0.26(+0.46%)
Dec 09, 2010	56.75	57.28	56.56	57.06	1,755,719	+0.45(+0.79%)
Dec 08, 2010	56.09	56.64	55.90	56.61	1,513,053	+0.53(+0.94%)
Dec 07, 2010	56.11	56.32	55.81	56.09	1,624,567	+0.36(+0.65%)
Dec 06, 2010	56.01	56.12	55.59	55.73	1,905,891	-0.30(-0.54%)
Dec 03, 2010	55.51	56.08	55.37	56.03	1,024,487	+0.40(+0.71%)
Dec 02, 2010	55.07	55.64	54.93	55.63	1,887,835	+0.55(+1.00%)

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