Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	50.65	50.93	50.61	50.93	2,753,954	+0.41(+0.81%)
Feb 25, 2011	50.12	50.54	50.11	50.52	2,284,114	+0.57(+1.14%)
Feb 24, 2011	49.95	50.12	49.49	49.95	2,900,330	-0.08(-0.16%)
Feb 23, 2011	50.26	50.41	49.69	50.03	4,406,946	-0.21(-0.41%)
Feb 22, 2011	50.73	51.02	50.11	50.24	6,411,331	-1.04(-2.04%)
Feb 18, 2011	51.29	51.33	51.11	51.29	2,033,777	+0.07(+0.14%)
Feb 17, 2011	50.83	51.27	50.83	51.21	1,787,095	+0.24(+0.46%)
Feb 16, 2011	50.89	51.01	50.72	50.98	2,284,825	+0.28(+0.56%)
Feb 15, 2011	50.61	50.78	50.56	50.69	1,531,694	-0.12(-0.23%)
Feb 14, 2011	50.71	50.84	50.58	50.81	1,827,863	+0.11(+0.22%)
Feb 11, 2011	50.22	50.78	50.17	50.70	1,928,950	+0.30(+0.59%)
Feb 10, 2011	50.08	50.45	50.03	50.41	2,736,968	+0.08(+0.16%)
Feb 09, 2011	50.36	50.49	50.09	50.32	3,258,208	-0.19(-0.38%)
Feb 08, 2011	50.30	50.53	50.18	50.52	2,195,740	+0.24(+0.47%)
Feb 07, 2011	50.04	50.40	50.03	50.28	2,204,898	+0.34(+0.68%)
Feb 04, 2011	49.90	49.95	49.60	49.94	1,800,801	+0.07(+0.13%)
Feb 03, 2011	49.69	49.95	49.41	49.87	2,559,518	+0.09(+0.18%)
Feb 02, 2011	49.78	49.93	49.75	49.78	1,576,747	-0.13(-0.25%)
Feb 01, 2011	49.36	49.99	49.36	49.91	2,730,607	+0.84(+1.70%)
Jan 31, 2011	48.86	49.18	48.81	49.07	2,194,035	+0.34(+0.70%)
Jan 28, 2011	49.57	49.68	48.69	48.73	3,250,668	-0.78(-1.57%)
Jan 27, 2011	49.36	49.55	49.28	49.51	2,346,975	+0.13(+0.25%)
Jan 26, 2011	49.32	49.53	49.25	49.38	3,948,822	+0.16(+0.32%)
Jan 25, 2011	49.12	49.30	48.84	49.23	4,628,979	-0.01(-0.03%)
Jan 24, 2011	49.02	49.32	49.00	49.24	2,797,113	+0.22(+0.45%)
Jan 21, 2011	49.12	49.23	48.93	49.02	4,205,361	+0.20(+0.41%)
Jan 20, 2011	48.69	48.92	48.49	48.82	2,340,501	+0.04(+0.08%)
Jan 19, 2011	49.28	49.31	48.65	48.78	2,743,299	-0.55(-1.11%)
Jan 18, 2011	49.30	49.38	49.19	49.33	2,243,026	+0.02(+0.05%)
Jan 14, 2011	48.89	49.35	48.86	49.31	3,460,837	+0.36(+0.73%)
Jan 13, 2011	49.09	49.10	48.84	48.95	1,469,959	-0.13(-0.26%)
Jan 12, 2011	48.92	49.15	48.88	49.08	3,893,913	+0.48(+0.99%)
Jan 11, 2011	48.67	48.74	48.43	48.60	5,130,616	+0.12(+0.24%)
Jan 10, 2011	48.30	48.53	48.13	48.48	4,749,057	-0.07(-0.14%)
Jan 07, 2011	48.76	48.85	48.15	48.55	2,749,943	-0.14(-0.29%)
Jan 06, 2011	48.88	48.93	48.59	48.69	6,641,247	-0.21(-0.42%)
Jan 05, 2011	48.48	48.92	48.43	48.89	4,807,830	+0.26(+0.53%)
Jan 04, 2011	48.71	48.72	48.27	48.64	7,226,028	+0.07(+0.14%)
Jan 03, 2011	48.39	48.74	48.39	48.57	3,001,571	+0.54(+1.13%)
Dec 31, 2010	47.89	48.11	47.88	48.03	1,515,351	+0.03(+0.06%)
Dec 30, 2010	48.04	48.11	47.92	48.00	1,922,998	-0.04(-0.08%)
Dec 29, 2010	48.11	48.14	48.03	48.04	1,648,811	+0.04(+0.09%)
Dec 28, 2010	48.05	48.09	47.88	47.99	1,888,672	+0.03(+0.06%)
Dec 27, 2010	47.72	47.97	47.68	47.96	980,105	+0.07(+0.15%)
Dec 23, 2010	47.91	47.98	47.78	47.89	1,165,301	-0.10(-0.22%)
Dec 22, 2010	47.74	48.00	47.73	47.99	2,440,157	+0.32(+0.66%)
Dec 21, 2010	47.46	47.73	47.43	47.67	4,352,834	+0.38(+0.79%)
Dec 20, 2010	47.31	47.42	47.11	47.30	2,067,168	+0.15(+0.31%)
Dec 17, 2010	47.10	47.21	46.95	47.15	1,646,908	+0.03(+0.06%)
Dec 16, 2010	46.86	47.15	46.72	47.12	4,912,613	+0.30(+0.64%)
Dec 15, 2010	46.98	47.20	46.77	46.82	1,202,305	-0.28(-0.59%)
Dec 14, 2010	47.13	47.34	46.97	47.10	1,362,718	+0.01(+0.03%)
Dec 13, 2010	47.21	47.30	47.06	47.09	2,185,744	+0.09(+0.19%)
Dec 10, 2010	46.84	47.06	46.70	47.00	1,666,438	+0.29(+0.63%)
Dec 09, 2010	46.68	46.73	46.41	46.70	1,375,059	+0.28(+0.60%)
Dec 08, 2010	46.31	46.45	46.08	46.42	1,634,061	+0.19(+0.41%)
Dec 07, 2010	46.66	46.66	46.21	46.23	2,428,332	+0.04(+0.08%)
Dec 06, 2010	46.10	46.30	46.07	46.19	4,791,471	-0.04(-0.10%)
Dec 03, 2010	45.89	46.31	45.89	46.24	1,801,776	+0.15(+0.32%)
Dec 02, 2010	45.47	46.19	45.47	46.09	1,852,649	+0.64(+1.41%)

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