Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	20.26	20.38	20.23	20.26	2,531,114	+0.17(+0.86%)
Feb 25, 2011	19.92	20.09	19.88	20.09	2,100,581	+0.08(+0.39%)
Feb 24, 2011	20.00	20.07	19.86	20.01	4,010,122	-0.05(-0.24%)
Feb 23, 2011	20.15	20.23	20.02	20.05	5,064,047	+0.08(+0.39%)
Feb 22, 2011	20.13	20.24	19.93	19.98	5,615,954	-0.57(-2.76%)
Feb 18, 2011	20.41	20.63	20.37	20.54	9,251,834	+0.31(+1.56%)
Feb 17, 2011	20.10	20.28	20.08	20.23	4,154,321	+0.08(+0.42%)
Feb 16, 2011	20.00	20.22	19.98	20.14	5,391,280	+0.06(+0.31%)
Feb 15, 2011	20.05	20.11	20.02	20.08	4,068,617	+0.02(+0.08%)
Feb 14, 2011	19.81	20.09	19.79	20.07	5,386,043	+0.26(+1.30%)
Feb 11, 2011	19.98	19.99	19.79	19.81	4,490,066	-0.20(-1.00%)
Feb 10, 2011	19.86	20.06	19.80	20.01	5,184,212	-0.07(-0.34%)
Feb 09, 2011	19.94	20.09	19.92	20.08	5,389,161	-0.06(-0.30%)
Feb 08, 2011	20.00	20.17	19.97	20.14	8,872,222	-0.07(-0.36%)
Feb 07, 2011	19.83	20.23	19.80	20.21	11,166,249	+0.58(+2.95%)
Feb 04, 2011	19.54	19.63	19.48	19.63	4,821,052	+0.00(+0.00%)
Feb 03, 2011	19.62	19.73	19.51	19.63	7,602,468	+0.53(+2.79%)
Feb 02, 2011	19.05	19.10	18.99	19.10	5,299,557	-0.21(-1.10%)
Feb 01, 2011	19.04	19.33	19.00	19.31	5,225,296	+0.55(+2.92%)
Jan 31, 2011	18.75	18.88	18.74	18.76	8,300,973	-0.04(-0.19%)
Jan 28, 2011	18.95	19.04	18.76	18.80	13,599,452	-0.55(-2.83%)
Jan 27, 2011	19.46	19.50	19.33	19.35	5,767,779	-0.02(-0.11%)
Jan 26, 2011	19.48	19.48	19.34	19.37	4,998,515	+0.07(+0.37%)
Jan 25, 2011	19.17	19.31	19.13	19.29	5,185,173	-0.25(-1.29%)
Jan 24, 2011	19.48	19.61	19.46	19.55	4,576,678	+0.26(+1.34%)
Jan 21, 2011	19.32	19.35	19.16	19.29	4,421,244	+0.15(+0.81%)
Jan 20, 2011	19.63	19.19	18.96	19.13	9,756,141	-0.50(-2.53%)
Jan 19, 2011	19.87	19.95	19.48	19.63	8,329,154	-0.09(-0.45%)
Jan 18, 2011	19.53	19.75	19.52	19.72	8,187,906	-0.52(-2.55%)
Jan 14, 2011	20.17	20.28	20.15	20.23	3,948,877	+0.15(+0.77%)
Jan 13, 2011	20.19	20.21	20.04	20.08	3,236,850	-0.08(-0.38%)
Jan 12, 2011	20.00	20.17	19.91	20.16	3,745,463	+0.22(+1.11%)
Jan 11, 2011	19.83	19.93	19.76	19.93	4,048,331	-0.09(-0.44%)
Jan 10, 2011	19.96	20.02	19.92	20.02	3,899,206	+0.00(+0.00%)
Jan 07, 2011	20.01	20.11	19.97	20.02	4,631,717	-0.14(-0.72%)
Jan 06, 2011	20.20	20.25	20.05	20.17	4,530,789	+0.06(+0.28%)
Jan 05, 2011	20.11	20.21	20.05	20.11	7,449,873	-0.48(-2.31%)
Jan 04, 2011	20.56	20.61	20.44	20.59	3,536,636	+0.32(+1.55%)
Jan 03, 2011	20.23	20.40	20.23	20.27	2,415,706	+0.02(+0.08%)
Dec 31, 2010	20.18	20.32	20.14	20.25	2,643,610	+0.09(+0.44%)
Dec 30, 2010	20.24	20.29	20.10	20.17	2,629,136	-0.12(-0.59%)
Dec 29, 2010	20.23	20.36	20.22	20.29	2,881,031	+0.07(+0.36%)
Dec 28, 2010	20.32	20.32	20.21	20.21	1,661,239	-0.01(-0.03%)
Dec 27, 2010	20.19	20.24	20.10	20.22	1,195,237	-0.02(-0.08%)
Dec 23, 2010	20.19	20.27	20.18	20.23	1,602,924	+0.06(+0.28%)
Dec 22, 2010	20.10	20.20	20.06	20.18	2,613,619	-0.01(-0.05%)
Dec 21, 2010	20.23	20.30	20.13	20.19	2,631,175	-0.13(-0.66%)
Dec 20, 2010	20.43	20.48	20.30	20.32	2,108,164	-0.08(-0.41%)
Dec 17, 2010	20.40	20.48	20.32	20.40	3,483,201	-0.27(-1.32%)
Dec 16, 2010	20.56	20.70	20.52	20.68	2,309,201	+0.12(+0.60%)
Dec 15, 2010	20.53	20.65	20.52	20.55	2,720,344	-0.03(-0.15%)
Dec 14, 2010	20.44	20.62	20.42	20.59	2,471,662	-0.06(-0.30%)
Dec 13, 2010	20.46	20.66	20.44	20.65	2,299,702	+0.18(+0.86%)
Dec 10, 2010	20.40	20.51	20.37	20.47	1,745,866	+0.03(+0.15%)
Dec 09, 2010	20.45	20.46	20.29	20.44	2,117,665	+0.07(+0.33%)
Dec 08, 2010	20.32	20.42	20.24	20.37	2,602,576	+0.05(+0.25%)
Dec 07, 2010	20.39	20.44	20.32	20.32	3,894,621	+0.14(+0.69%)
Dec 06, 2010	20.00	20.19	19.97	20.18	2,791,479	-0.06(-0.28%)
Dec 03, 2010	20.15	20.27	20.03	20.24	3,250,296	+0.13(+0.64%)
Dec 02, 2010	19.79	20.13	19.77	20.11	3,571,762	+0.14(+0.72%)

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