Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	59.54	60.51	59.49	60.40	17,537,382	+0.96(+1.62%)
Feb 25, 2011	59.21	59.75	59.00	59.44	14,641,648	+0.04(+0.07%)
Feb 24, 2011	60.02	60.21	59.12	59.40	28,293,454	-0.14(-0.23%)
Feb 23, 2011	58.53	60.51	58.52	59.54	29,458,220	+1.14(+1.94%)
Feb 22, 2011	57.77	59.45	57.77	58.40	27,006,788	+0.93(+1.62%)
Feb 18, 2011	56.71	57.52	56.49	57.47	15,219,577	+0.90(+1.60%)
Feb 17, 2011	56.21	56.67	56.13	56.57	11,365,256	+0.30(+0.53%)
Feb 16, 2011	56.31	56.48	55.94	56.27	11,660,634	+0.19(+0.33%)
Feb 15, 2011	56.23	56.38	55.69	56.09	13,100,404	-0.36(-0.63%)
Feb 14, 2011	55.60	56.56	55.60	56.44	12,028,659	+0.71(+1.27%)
Feb 11, 2011	55.52	56.15	55.41	55.73	12,679,820	-0.14(-0.26%)
Feb 10, 2011	55.40	56.04	55.32	55.88	12,615,304	+0.27(+0.48%)
Feb 09, 2011	56.48	56.27	55.30	55.61	14,277,299	-0.87(-1.53%)
Feb 08, 2011	56.55	56.62	56.11	56.48	9,883,035	+0.05(+0.08%)
Feb 07, 2011	56.21	56.76	56.20	56.43	17,754,980	+0.32(+0.57%)
Feb 04, 2011	56.01	56.24	55.77	56.11	18,222,864	+0.24(+0.43%)
Feb 03, 2011	55.80	56.30	55.33	55.87	18,181,966	+0.12(+0.22%)
Feb 02, 2011	55.11	55.96	55.11	55.75	11,440,455	+0.15(+0.27%)
Feb 01, 2011	55.26	55.75	54.99	55.60	17,222,036	+0.75(+1.36%)
Jan 31, 2011	54.23	55.00	53.95	54.85	19,327,358	+0.90(+1.67%)
Jan 28, 2011	54.60	54.81	53.70	53.95	21,525,998	-0.80(-1.46%)
Jan 27, 2011	54.64	54.87	54.49	54.75	10,906,805	+0.06(+0.12%)
Jan 26, 2011	54.54	54.88	54.07	54.69	15,294,103	+0.32(+0.60%)
Jan 25, 2011	54.19	54.57	53.94	54.36	12,849,166	-0.08(-0.15%)
Jan 24, 2011	54.25	54.62	54.12	54.44	12,609,991	+0.25(+0.47%)
Jan 21, 2011	53.95	54.28	53.80	54.19	12,865,017	+0.62(+1.15%)
Jan 20, 2011	53.24	53.66	52.92	53.57	11,276,262	-0.15(-0.28%)
Jan 19, 2011	54.10	54.15	53.50	53.72	10,497,031	-0.22(-0.41%)
Jan 18, 2011	53.70	54.17	53.69	53.94	13,383,123	+0.30(+0.56%)
Jan 14, 2011	53.23	53.67	53.06	53.64	9,628,802	+0.38(+0.71%)
Jan 13, 2011	53.17	53.51	53.03	53.26	9,902,386	-0.16(-0.29%)
Jan 12, 2011	53.37	53.65	53.28	53.42	13,577,446	+0.36(+0.68%)
Jan 11, 2011	52.51	53.15	52.47	53.06	13,564,276	+0.82(+1.57%)
Jan 10, 2011	52.55	52.68	52.07	52.24	11,862,160	-0.45(-0.86%)
Jan 07, 2011	52.57	52.76	52.16	52.69	10,990,062	+0.16(+0.30%)
Jan 06, 2011	53.02	53.06	52.16	52.53	10,774,395	-0.30(-0.57%)
Jan 05, 2011	52.54	53.20	52.29	52.84	11,525,436	-0.09(-0.17%)
Jan 04, 2011	53.32	53.44	52.71	52.93	14,734,234	-0.20(-0.37%)
Jan 03, 2011	52.96	53.38	52.76	53.13	13,502,856	+0.40(+0.76%)
Dec 31, 2010	52.92	53.04	52.58	52.73	8,917,682	-0.20(-0.38%)
Dec 30, 2010	52.77	53.13	52.67	52.93	7,194,064	+0.13(+0.25%)
Dec 29, 2010	52.89	53.39	52.78	52.80	9,177,357	+0.10(+0.20%)
Dec 28, 2010	52.19	52.83	52.08	52.69	8,769,201	+0.62(+1.19%)
Dec 27, 2010	52.29	52.35	52.03	52.07	5,431,050	-0.32(-0.62%)
Dec 23, 2010	51.94	52.52	51.90	52.40	8,830,654	+0.46(+0.88%)
Dec 22, 2010	51.78	51.98	51.61	51.94	7,376,517	+0.38(+0.74%)
Dec 21, 2010	51.62	51.90	51.40	51.56	10,324,751	+0.25(+0.48%)
Dec 20, 2010	51.40	51.77	51.18	51.31	13,899,313	+0.18(+0.35%)
Dec 17, 2010	51.34	51.40	50.89	51.13	18,747,438	-0.33(-0.64%)
Dec 16, 2010	50.89	51.55	50.76	51.46	13,493,009	+0.61(+1.19%)
Dec 15, 2010	50.86	51.21	50.81	50.85	13,167,745	-0.21(-0.42%)
Dec 14, 2010	51.18	51.40	50.92	51.07	12,691,138	+0.01(+0.01%)
Dec 13, 2010	50.69	51.40	50.57	51.06	17,151,234	+0.77(+1.54%)
Dec 10, 2010	50.25	50.32	49.83	50.29	12,818,162	+0.22(+0.44%)
Dec 09, 2010	50.15	50.26	49.60	50.07	13,977,586	+0.29(+0.59%)
Dec 08, 2010	49.99	50.16	49.48	49.77	11,974,557	-0.09(-0.19%)
Dec 07, 2010	49.65	50.06	49.53	49.87	21,732,650	+0.77(+1.58%)
Dec 06, 2010	48.99	49.24	48.82	49.09	8,965,556	+0.04(+0.08%)
Dec 03, 2010	48.82	49.12	48.75	49.05	11,642,616	+0.23(+0.46%)
Dec 02, 2010	47.79	48.92	47.69	48.83	18,689,054	+1.04(+2.18%)

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