Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	20.86	20.95	20.76	20.84	187,648	-0.02(-0.09%)
Feb 25, 2011	20.74	20.95	20.65	20.86	135,743	+0.23(+1.14%)
Feb 24, 2011	20.74	20.91	20.61	20.63	134,937	-0.15(-0.73%)
Feb 23, 2011	20.93	21.04	20.62	20.78	182,113	-0.15(-0.70%)
Feb 22, 2011	21.24	21.24	20.79	20.93	213,191	-0.27(-1.26%)
Feb 18, 2011	21.17	21.24	21.12	21.19	146,935	+0.06(+0.30%)
Feb 17, 2011	21.07	21.16	21.07	21.13	112,981	+0.01(+0.03%)
Feb 16, 2011	21.16	21.18	21.04	21.12	100,658	-0.03(-0.15%)
Feb 15, 2011	20.98	21.15	20.88	21.15	271,952	+0.12(+0.57%)
Feb 14, 2011	20.86	21.04	20.77	21.03	220,929	+0.20(+0.97%)
Feb 11, 2011	20.61	20.86	20.61	20.83	267,724	+0.17(+0.83%)
Feb 10, 2011	20.72	20.79	20.62	20.66	103,522	-0.06(-0.31%)
Feb 09, 2011	20.58	20.86	20.58	20.72	84,132	-0.04(-0.21%)
Feb 08, 2011	20.79	20.86	20.67	20.77	171,033	-0.01(-0.03%)
Feb 07, 2011	20.91	20.93	20.77	20.77	186,495	-0.09(-0.43%)
Feb 04, 2011	20.86	20.98	20.80	20.86	187,834	-0.15(-0.72%)
Feb 03, 2011	21.05	21.05	20.80	21.01	118,836	+0.04(+0.21%)
Feb 02, 2011	20.88	21.04	20.77	20.97	196,642	+0.12(+0.58%)
Feb 01, 2011	20.89	20.89	20.76	20.85	258,712	-0.01(-0.06%)
Jan 31, 2011	20.87	20.87	20.69	20.86	174,584	+0.07(+0.36%)
Jan 28, 2011	20.74	20.86	20.67	20.79	349,058	+0.00(+0.00%)
Jan 27, 2011	20.70	20.82	20.63	20.79	173,892	+0.01(+0.03%)
Jan 26, 2011	20.71	20.78	20.57	20.78	290,616	+0.19(+0.91%)
Jan 25, 2011	20.56	20.64	20.46	20.59	131,835	+0.04(+0.18%)
Jan 24, 2011	20.27	20.67	20.27	20.56	164,140	+0.29(+1.42%)
Jan 21, 2011	20.22	20.31	20.21	20.27	112,193	+0.07(+0.37%)
Jan 20, 2011	20.56	20.56	20.02	20.19	261,439	-0.33(-1.62%)
Jan 19, 2011	20.69	20.69	20.44	20.52	351,601	-0.09(-0.46%)
Jan 18, 2011	20.56	20.63	20.54	20.62	126,948	+0.05(+0.24%)
Jan 14, 2011	20.70	20.70	20.55	20.57	128,644	-0.11(-0.51%)
Jan 13, 2011	20.76	20.76	20.52	20.67	323,882	-0.02(-0.12%)
Jan 12, 2011	20.71	20.71	20.61	20.70	175,869	+0.05(+0.24%)
Jan 11, 2011	20.64	20.69	20.52	20.65	158,352	+0.02(+0.09%)
Jan 10, 2011	20.52	20.63	20.46	20.63	112,452	+0.01(+0.06%)
Jan 07, 2011	20.52	20.62	20.44	20.62	117,310	+0.05(+0.24%)
Jan 06, 2011	20.58	20.62	20.44	20.57	151,620	+0.01(+0.03%)
Jan 05, 2011	20.36	20.57	20.35	20.56	99,200	+0.09(+0.43%)
Jan 04, 2011	20.59	20.59	20.41	20.47	160,720	-0.11(-0.52%)
Jan 03, 2011	20.62	20.77	20.46	20.58	331,774	+0.03(+0.15%)
Dec 31, 2010	20.52	20.57	20.50	20.55	125,895	-0.04(-0.21%)
Dec 30, 2010	20.47	20.62	20.46	20.59	162,304	+0.06(+0.27%)
Dec 29, 2010	20.59	20.61	20.48	20.54	193,917	-0.08(-0.36%)
Dec 28, 2010	20.61	20.62	20.42	20.61	213,039	+0.08(+0.40%)
Dec 27, 2010	20.49	20.57	20.46	20.53	204,874	+0.01(+0.03%)
Dec 23, 2010	20.56	20.60	20.49	20.52	241,511	-0.07(-0.33%)
Dec 22, 2010	20.58	20.59	20.45	20.59	310,549	-0.02(-0.09%)
Dec 21, 2010	20.46	20.61	20.27	20.61	650,142	+0.19(+0.92%)
Dec 20, 2010	20.28	20.51	20.15	20.42	423,053	-0.09(-0.46%)
Dec 17, 2010	19.97	20.52	19.95	20.52	663,407	+0.51(+2.53%)
Dec 16, 2010	20.04	20.05	19.84	20.01	455,689	-0.03(-0.16%)
Dec 15, 2010	20.14	20.14	20.02	20.04	412,206	-0.13(-0.62%)
Dec 14, 2010	20.17	20.17	20.04	20.17	385,825	-0.01(-0.03%)
Dec 13, 2010	20.29	20.29	20.06	20.17	310,792	-0.06(-0.31%)
Dec 10, 2010	20.22	20.24	20.07	20.24	223,294	-0.01(-0.06%)
Dec 09, 2010	20.18	20.39	20.04	20.25	417,028	+0.09(+0.43%)
Dec 08, 2010	20.09	20.27	20.02	20.16	386,623	-0.13(-0.62%)
Dec 07, 2010	20.47	20.47	20.07	20.29	616,299	-0.11(-0.52%)
Dec 06, 2010	20.24	20.39	20.24	20.39	580,147	+0.13(+0.65%)
Dec 03, 2010	20.21	20.33	20.17	20.26	814,056	-0.08(-0.40%)
Dec 02, 2010	20.29	20.42	20.22	20.34	5,473,971	-0.88(-4.13%)

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