Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	52.89	53.03	52.51	52.66	1,646,262	-0.12(-0.22%)
Feb 25, 2011	52.36	52.81	51.97	52.77	1,637,616	+0.54(+1.03%)
Feb 24, 2011	51.59	52.56	51.53	52.24	2,416,936	+0.81(+1.57%)
Feb 23, 2011	52.18	52.47	51.16	51.43	2,692,664	-0.73(-1.41%)
Feb 22, 2011	54.16	54.19	52.03	52.16	3,312,522	-2.39(-4.37%)
Feb 18, 2011	54.56	54.88	54.40	54.55	1,869,452	-0.01(-0.03%)
Feb 17, 2011	54.30	54.88	54.21	54.56	1,043,027	+0.07(+0.12%)
Feb 16, 2011	53.90	54.93	53.74	54.50	1,277,966	+0.63(+1.17%)
Feb 15, 2011	53.79	54.10	53.49	53.87	1,510,060	+0.10(+0.19%)
Feb 14, 2011	54.62	54.90	53.73	53.76	1,854,181	-0.84(-1.55%)
Feb 11, 2011	53.91	54.83	53.76	54.61	2,099,068	+0.34(+0.63%)
Feb 10, 2011	53.36	54.38	53.36	54.27	1,381,210	+0.49(+0.92%)
Feb 09, 2011	53.33	53.89	53.16	53.77	1,121,876	+0.25(+0.48%)
Feb 08, 2011	53.84	53.89	53.11	53.52	1,910,384	-0.39(-0.73%)
Feb 07, 2011	53.87	54.10	53.39	53.91	1,556,542	+0.04(+0.07%)
Feb 04, 2011	54.12	54.12	53.33	53.87	1,887,427	-0.28(-0.51%)
Feb 03, 2011	53.54	54.61	53.52	54.15	2,800,514	+0.51(+0.95%)
Feb 02, 2011	54.70	56.88	53.61	53.64	7,317,004	-3.24(-5.70%)
Feb 01, 2011	56.32	57.20	56.21	56.88	2,371,763	+0.81(+1.44%)
Jan 31, 2011	55.36	56.22	55.18	56.08	1,683,145	+0.77(+1.39%)
Jan 28, 2011	56.72	56.80	55.21	55.31	2,296,496	-1.24(-2.20%)
Jan 27, 2011	56.63	56.84	56.49	56.55	1,912,268	-0.28(-0.49%)
Jan 26, 2011	56.63	57.01	56.35	56.83	1,242,136	+0.21(+0.37%)
Jan 25, 2011	56.27	56.65	55.88	56.62	1,503,596	+0.06(+0.10%)
Jan 24, 2011	56.55	56.83	56.22	56.56	1,005,240	+0.09(+0.17%)
Jan 21, 2011	56.78	56.78	56.16	56.46	1,385,818	-0.13(-0.23%)
Jan 20, 2011	56.61	57.10	56.32	56.59	1,586,663	+0.06(+0.10%)
Jan 19, 2011	57.47	57.47	56.30	56.54	2,224,942	-1.17(-2.03%)
Jan 18, 2011	57.51	57.82	57.44	57.71	1,271,143	+0.33(+0.57%)
Jan 14, 2011	57.70	57.95	57.34	57.38	2,033,206	-0.36(-0.63%)
Jan 13, 2011	57.92	58.16	57.55	57.74	820,387	-0.27(-0.46%)
Jan 12, 2011	58.13	58.16	57.86	58.01	847,462	+0.17(+0.30%)
Jan 11, 2011	57.98	58.26	57.42	57.84	1,051,062	-0.05(-0.09%)
Jan 10, 2011	57.64	58.07	57.25	57.89	2,107,792	+0.01(+0.03%)
Jan 07, 2011	58.13	58.45	57.58	57.87	2,450,202	-0.06(-0.10%)
Jan 06, 2011	58.04	58.38	57.60	57.93	2,225,069	-0.17(-0.30%)
Jan 05, 2011	57.62	58.55	57.58	58.11	2,727,541	-0.41(-0.71%)
Jan 04, 2011	58.43	58.83	58.23	58.52	2,417,949	-0.77(-1.30%)
Jan 03, 2011	58.86	59.69	58.86	59.29	2,362,182	+0.96(+1.65%)
Dec 31, 2010	58.14	58.55	57.93	58.33	1,624,927	+0.08(+0.14%)
Dec 30, 2010	58.56	58.65	58.00	58.25	1,154,260	-0.31(-0.52%)
Dec 29, 2010	58.19	58.94	57.92	58.56	1,423,256	+0.59(+1.02%)
Dec 28, 2010	58.02	58.36	57.62	57.97	928,084	-0.05(-0.09%)
Dec 27, 2010	57.83	58.24	57.68	58.02	737,987	+0.04(+0.06%)
Dec 23, 2010	57.96	58.24	57.84	57.98	876,644	-0.15(-0.25%)
Dec 22, 2010	58.11	58.37	57.87	58.13	1,157,537	-0.09(-0.15%)
Dec 21, 2010	57.67	58.64	57.55	58.22	1,319,536	+0.75(+1.30%)
Dec 20, 2010	57.57	57.68	56.92	57.47	1,789,380	+0.00(+0.00%)
Dec 17, 2010	57.18	57.82	56.82	57.47	3,801,155	-0.15(-0.25%)
Dec 16, 2010	57.01	57.87	56.82	57.61	1,643,016	+0.71(+1.24%)
Dec 15, 2010	56.74	57.41	56.68	56.91	1,613,082	+0.04(+0.08%)
Dec 14, 2010	56.78	57.04	56.54	56.86	1,015,857	+0.28(+0.50%)
Dec 13, 2010	56.79	56.88	56.32	56.58	1,237,718	-0.04(-0.06%)
Dec 10, 2010	56.49	56.68	55.98	56.62	1,460,342	+0.47(+0.84%)
Dec 09, 2010	55.84	56.36	55.65	56.15	1,784,369	+0.44(+0.79%)
Dec 08, 2010	55.19	55.73	55.00	55.71	1,537,743	+0.52(+0.94%)
Dec 07, 2010	55.21	55.42	54.91	55.19	1,651,077	+0.35(+0.65%)
Dec 06, 2010	55.11	55.22	54.69	54.83	1,936,992	-0.30(-0.54%)
Dec 03, 2010	54.62	55.18	54.48	55.13	1,041,205	+0.39(+0.71%)
Dec 02, 2010	54.19	54.74	54.04	54.74	1,918,641	+0.54(+1.00%)

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