Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	43.92	44.14	43.66	43.86	2,570,991	+0.06(+0.14%)
Feb 25, 2011	43.66	43.86	43.50	43.80	2,605,577	+0.22(+0.51%)
Feb 24, 2011	43.61	43.90	43.32	43.57	2,777,131	-0.22(-0.49%)
Feb 23, 2011	43.37	43.88	43.28	43.79	2,792,299	+0.36(+0.84%)
Feb 22, 2011	43.93	44.27	43.32	43.42	1,255,875	-1.06(-2.38%)
Feb 18, 2011	44.07	44.63	44.03	44.48	1,328,243	+0.22(+0.49%)
Feb 17, 2011	44.04	44.32	43.75	44.27	1,199,197	+0.02(+0.05%)
Feb 16, 2011	44.02	44.39	43.89	44.24	2,443,697	+0.39(+0.90%)
Feb 15, 2011	44.23	44.23	43.59	43.85	3,078,598	-0.40(-0.91%)
Feb 14, 2011	44.41	44.41	43.72	44.25	1,758,516	-0.18(-0.40%)
Feb 11, 2011	43.97	44.64	43.69	44.43	2,449,353	+0.39(+0.88%)
Feb 10, 2011	44.41	44.69	43.84	44.04	3,398,114	-0.44(-0.99%)
Feb 09, 2011	45.09	45.09	44.33	44.48	2,756,171	-0.65(-1.44%)
Feb 08, 2011	45.39	45.53	45.03	45.13	1,968,947	-0.13(-0.29%)
Feb 07, 2011	45.55	45.68	45.19	45.26	2,220,541	-0.31(-0.68%)
Feb 04, 2011	45.07	45.59	44.85	45.57	2,400,030	+0.50(+1.11%)
Feb 03, 2011	44.24	45.60	44.07	45.07	3,091,888	+0.71(+1.60%)
Feb 02, 2011	43.77	44.49	43.69	44.36	4,070,224	+0.31(+0.70%)
Feb 01, 2011	44.02	44.65	43.93	44.05	20,585,450	+0.04(+0.09%)
Jan 31, 2011	44.55	45.02	43.95	44.01	2,780,659	-0.32(-0.71%)
Jan 28, 2011	44.88	44.92	44.10	44.33	2,451,058	-0.48(-1.07%)
Jan 27, 2011	44.60	45.01	44.55	44.81	3,174,273	+0.22(+0.49%)
Jan 26, 2011	44.75	44.95	44.26	44.59	4,157,344	+1.10(+2.52%)
Jan 25, 2011	42.33	44.17	42.15	43.49	6,082,111	+1.63(+3.90%)
Jan 24, 2011	42.26	42.64	41.77	41.86	2,508,973	-0.26(-0.62%)
Jan 21, 2011	42.19	42.23	41.71	42.13	2,175,705	+0.20(+0.48%)
Jan 20, 2011	41.46	42.18	41.40	41.92	1,471,388	+0.52(+1.25%)
Jan 19, 2011	42.18	42.23	41.24	41.41	1,375,908	-0.68(-1.62%)
Jan 18, 2011	42.31	42.38	41.80	42.09	2,081,727	-0.14(-0.33%)
Jan 14, 2011	42.47	42.47	42.11	42.23	1,385,080	-0.41(-0.96%)
Jan 13, 2011	42.42	42.64	42.20	42.64	1,083,585	+0.13(+0.31%)
Jan 12, 2011	42.38	42.58	41.94	42.50	1,305,465	+0.36(+0.86%)
Jan 11, 2011	41.48	42.24	41.44	42.14	1,269,692	+0.70(+1.68%)
Jan 10, 2011	41.03	41.57	40.86	41.45	1,588,630	+0.39(+0.94%)
Jan 07, 2011	41.84	41.99	40.69	41.06	2,925,558	-1.21(-2.85%)
Jan 06, 2011	42.67	43.00	42.09	42.26	1,473,421	-0.55(-1.28%)
Jan 05, 2011	42.06	42.86	42.06	42.81	1,765,576	+0.69(+1.65%)
Jan 04, 2011	42.35	42.54	41.97	42.12	1,443,627	-0.06(-0.15%)
Jan 03, 2011	41.86	42.66	41.84	42.18	1,587,028	+0.55(+1.32%)
Dec 31, 2010	41.79	41.90	41.56	41.63	809,054	-0.16(-0.39%)
Dec 30, 2010	41.60	41.93	41.60	41.80	948,631	+0.07(+0.17%)
Dec 29, 2010	41.93	42.11	41.72	41.73	732,776	-0.20(-0.48%)
Dec 28, 2010	41.99	42.19	41.70	41.93	476,572	-0.02(-0.06%)
Dec 27, 2010	41.95	42.15	41.91	41.95	453,682	-0.12(-0.29%)
Dec 23, 2010	42.15	42.30	41.97	42.07	551,584	-0.03(-0.07%)
Dec 22, 2010	42.10	42.34	42.02	42.10	1,058,213	+0.04(+0.09%)
Dec 21, 2010	42.19	42.37	41.83	42.07	1,340,893	+0.05(+0.13%)
Dec 20, 2010	41.80	42.16	41.56	42.01	1,256,344	+0.19(+0.44%)
Dec 17, 2010	41.46	42.06	41.38	41.83	2,776,917	+0.32(+0.76%)
Dec 16, 2010	40.80	41.80	40.67	41.51	1,882,617	+0.74(+1.82%)
Dec 15, 2010	39.98	41.00	39.91	40.77	2,498,724	+0.66(+1.63%)
Dec 14, 2010	39.31	40.17	39.30	40.11	1,949,858	+0.79(+2.00%)
Dec 13, 2010	39.54	39.54	39.10	39.33	1,578,640	-0.08(-0.20%)
Dec 10, 2010	38.86	39.54	38.86	39.40	2,353,438	+0.62(+1.59%)
Dec 09, 2010	38.83	39.06	38.59	38.79	893,678	+0.15(+0.40%)
Dec 08, 2010	38.77	38.98	38.59	38.63	944,233	-0.12(-0.30%)
Dec 07, 2010	38.84	39.05	38.70	38.75	1,377,245	+0.10(+0.26%)
Dec 06, 2010	38.36	38.83	38.34	38.65	1,239,992	+0.00(+0.00%)
Dec 03, 2010	39.00	39.10	38.47	38.65	1,474,989	-0.36(-0.93%)
Dec 02, 2010	38.79	39.46	38.63	39.01	1,740,661	+0.15(+0.40%)

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