Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	20.13	20.36	20.09	20.28	19,469,646	+0.22(+1.12%)
Feb 25, 2011	19.99	20.08	19.94	20.06	6,249,380	+0.11(+0.56%)
Feb 24, 2011	19.98	20.07	19.89	19.95	11,223,860	-0.08(-0.39%)
Feb 23, 2011	20.04	20.15	20.00	20.03	8,570,900	-0.04(-0.22%)
Feb 22, 2011	20.02	20.14	19.98	20.07	9,516,550	-0.09(-0.44%)
Feb 18, 2011	20.14	20.19	20.09	20.16	4,714,464	+0.03(+0.16%)
Feb 17, 2011	20.13	20.19	20.08	20.13	12,938,508	+0.04(+0.19%)
Feb 16, 2011	20.16	20.19	19.98	20.09	8,568,453	-0.04(-0.22%)
Feb 15, 2011	20.07	20.16	19.99	20.13	5,105,908	+0.06(+0.31%)
Feb 14, 2011	20.20	20.23	19.99	20.07	6,544,551	-0.15(-0.72%)
Feb 11, 2011	20.22	20.33	20.18	20.22	14,646,821	-0.04(-0.19%)
Feb 10, 2011	20.20	20.27	20.18	20.25	6,720,979	+0.04(+0.19%)
Feb 09, 2011	20.19	20.24	20.11	20.22	6,791,095	-0.00(-0.01%)
Feb 08, 2011	20.24	20.25	20.16	20.22	5,922,084	-0.00(-0.01%)
Feb 07, 2011	20.08	20.23	20.07	20.22	5,892,018	+0.13(+0.64%)
Feb 04, 2011	20.19	20.23	19.96	20.09	7,799,714	-0.12(-0.61%)
Feb 03, 2011	20.11	20.24	20.03	20.21	11,742,027	+0.08(+0.41%)
Feb 02, 2011	20.18	20.22	20.11	20.13	4,978,325	-0.11(-0.55%)
Feb 01, 2011	20.15	20.25	20.06	20.24	8,379,883	+0.20(+1.01%)
Jan 31, 2011	20.09	20.11	19.99	20.04	6,352,112	+0.04(+0.22%)
Jan 28, 2011	20.28	20.31	19.99	19.99	8,963,312	-0.27(-1.34%)
Jan 27, 2011	20.13	20.32	20.13	20.27	5,547,306	+0.08(+0.38%)
Jan 26, 2011	20.29	20.29	20.13	20.19	8,792,649	-0.08(-0.38%)
Jan 25, 2011	20.26	20.34	20.18	20.27	13,481,806	-0.03(-0.15%)
Jan 24, 2011	20.23	20.35	20.18	20.30	5,795,156	+0.11(+0.56%)
Jan 21, 2011	20.33	20.33	20.14	20.18	12,038,352	-0.02(-0.09%)
Jan 20, 2011	20.08	20.26	20.06	20.20	13,633,996	+0.15(+0.76%)
Jan 19, 2011	20.11	20.15	20.02	20.05	7,637,495	-0.05(-0.24%)
Jan 18, 2011	20.05	20.12	20.01	20.10	5,690,247	+0.05(+0.24%)
Jan 14, 2011	19.93	20.06	19.89	20.05	8,707,864	+0.09(+0.47%)
Jan 13, 2011	19.99	20.01	19.87	19.96	10,763,764	-0.02(-0.09%)
Jan 12, 2011	19.92	20.07	19.92	19.98	6,631,936	+0.10(+0.52%)
Jan 11, 2011	19.92	19.96	19.81	19.87	5,044,314	+0.03(+0.14%)
Jan 10, 2011	19.90	19.90	19.73	19.84	10,063,132	-0.11(-0.55%)
Jan 07, 2011	19.91	19.96	19.77	19.95	8,060,397	+0.07(+0.36%)
Jan 06, 2011	19.88	19.90	19.74	19.88	9,034,029	+0.02(+0.10%)
Jan 05, 2011	19.92	19.94	19.84	19.86	7,279,699	-0.12(-0.62%)
Jan 04, 2011	19.89	20.03	19.77	19.98	7,885,355	+0.09(+0.45%)
Jan 03, 2011	19.88	19.94	19.79	19.89	5,597,855	+0.10(+0.49%)
Dec 31, 2010	19.79	19.87	19.77	19.80	3,437,063	+0.01(+0.03%)
Dec 30, 2010	19.80	19.88	19.77	19.79	3,918,804	-0.03(-0.16%)
Dec 29, 2010	19.92	19.92	19.79	19.82	2,935,858	-0.07(-0.35%)
Dec 28, 2010	19.85	19.89	19.76	19.89	1,866,402	+0.07(+0.35%)
Dec 27, 2010	19.81	19.90	19.74	19.82	3,389,980	+0.01(+0.06%)
Dec 23, 2010	19.82	19.87	19.77	19.81	4,549,424	+0.01(+0.06%)
Dec 22, 2010	19.71	19.85	19.71	19.80	5,365,070	+0.09(+0.45%)
Dec 21, 2010	19.72	19.78	19.68	19.71	5,077,235	-0.03(-0.16%)
Dec 20, 2010	19.72	19.76	19.63	19.74	7,907,917	+0.06(+0.32%)
Dec 17, 2010	19.56	19.68	19.47	19.68	9,752,760	+0.10(+0.53%)
Dec 16, 2010	19.42	19.58	19.33	19.58	8,968,546	+0.17(+0.89%)
Dec 15, 2010	19.53	19.60	19.40	19.40	17,048,504	-0.17(-0.86%)
Dec 14, 2010	19.58	19.65	19.53	19.57	8,116,668	+0.05(+0.27%)
Dec 13, 2010	19.46	19.57	19.45	19.52	10,214,500	+0.09(+0.47%)
Dec 10, 2010	19.39	19.46	19.38	19.43	7,203,452	+0.07(+0.39%)
Dec 09, 2010	19.36	19.38	19.25	19.35	10,270,029	+0.08(+0.42%)
Dec 08, 2010	19.38	19.42	19.23	19.27	13,563,225	-0.07(-0.36%)
Dec 07, 2010	19.57	19.61	19.32	19.34	16,009,814	-0.13(-0.67%)
Dec 06, 2010	19.52	19.55	19.45	19.47	6,664,314	-0.05(-0.27%)
Dec 03, 2010	19.41	19.55	19.36	19.52	9,469,230	+0.04(+0.21%)
Dec 02, 2010	19.40	19.48	19.33	19.48	15,134,848	+0.06(+0.29%)

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