Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	20.95	20.97	20.74	20.90	94,853	+0.10(+0.49%)
Feb 25, 2011	20.29	20.80	20.29	20.80	81,141	+0.47(+2.31%)
Feb 24, 2011	20.33	20.43	19.97	20.33	160,944	-0.02(-0.08%)
Feb 23, 2011	20.47	20.63	20.18	20.34	110,030	-0.14(-0.69%)
Feb 22, 2011	20.74	20.86	20.31	20.48	136,284	-0.29(-1.42%)
Feb 18, 2011	20.73	20.90	20.73	20.78	72,474	-0.02(-0.08%)
Feb 17, 2011	20.84	20.90	20.69	20.80	73,357	+0.05(+0.22%)
Feb 16, 2011	20.86	20.94	20.65	20.75	84,679	+0.03(+0.16%)
Feb 15, 2011	20.68	20.82	20.61	20.72	83,063	+0.03(+0.16%)
Feb 14, 2011	20.51	20.81	20.51	20.68	460,761	+0.19(+0.91%)
Feb 11, 2011	20.56	20.68	20.43	20.50	140,193	+0.05(+0.22%)
Feb 10, 2011	20.47	20.61	20.37	20.45	65,081	-0.07(-0.36%)
Feb 09, 2011	20.53	20.73	20.30	20.52	140,620	-0.04(-0.19%)
Feb 08, 2011	20.46	20.68	20.40	20.56	142,902	+0.05(+0.22%)
Feb 07, 2011	20.74	20.74	20.33	20.52	108,638	-0.10(-0.49%)
Feb 04, 2011	20.41	20.74	20.16	20.62	146,180	+0.15(+0.75%)
Feb 03, 2011	20.38	20.63	20.18	20.47	281,889	+0.21(+1.05%)
Feb 02, 2011	20.08	20.35	20.08	20.25	85,540	+0.17(+0.83%)
Feb 01, 2011	20.20	20.51	20.04	20.09	86,668	-0.01(-0.06%)
Jan 31, 2011	19.93	20.17	19.90	20.10	76,774	+0.07(+0.33%)
Jan 28, 2011	20.18	20.29	19.93	20.03	84,705	-0.21(-1.05%)
Jan 27, 2011	20.10	20.31	20.01	20.24	74,756	+0.15(+0.75%)
Jan 26, 2011	19.91	20.09	19.77	20.09	61,490	+0.27(+1.35%)
Jan 25, 2011	19.93	20.03	19.72	19.82	114,863	-0.11(-0.56%)
Jan 24, 2011	19.87	20.06	19.87	19.94	125,780	+0.06(+0.31%)
Jan 21, 2011	19.92	20.08	19.81	19.87	118,573	-0.01(-0.06%)
Jan 20, 2011	20.30	20.30	19.70	19.89	98,049	-0.34(-1.69%)
Jan 19, 2011	20.61	20.61	20.06	20.23	122,464	-0.32(-1.55%)
Jan 18, 2011	20.60	20.71	20.48	20.55	97,789	-0.06(-0.27%)
Jan 14, 2011	20.48	20.94	20.45	20.60	122,256	+0.13(+0.63%)
Jan 13, 2011	20.32	20.70	20.30	20.47	89,168	+0.04(+0.19%)
Jan 12, 2011	20.51	20.51	20.11	20.43	102,292	+0.05(+0.25%)
Jan 11, 2011	20.32	20.38	20.23	20.38	46,365	+0.20(+0.97%)
Jan 10, 2011	20.03	20.24	20.00	20.19	63,865	+0.06(+0.31%)
Jan 07, 2011	20.25	20.37	19.94	20.13	77,845	-0.18(-0.88%)
Jan 06, 2011	20.27	20.46	20.17	20.30	59,169	+0.01(+0.03%)
Jan 05, 2011	20.27	20.40	20.24	20.30	85,863	-0.15(-0.74%)
Jan 04, 2011	20.67	20.67	20.36	20.45	95,887	-0.14(-0.68%)
Jan 03, 2011	20.61	20.84	20.30	20.59	160,277	+0.29(+1.43%)
Dec 31, 2010	20.31	20.49	20.25	20.30	69,660	-0.12(-0.57%)
Dec 30, 2010	20.43	20.52	20.28	20.42	122,770	+0.02(+0.08%)
Dec 29, 2010	20.55	20.62	20.40	20.40	73,310	-0.01(-0.05%)
Dec 28, 2010	20.23	20.46	20.18	20.41	89,247	+0.18(+0.88%)
Dec 27, 2010	20.34	20.36	20.17	20.23	60,347	-0.09(-0.44%)
Dec 23, 2010	20.39	20.44	20.29	20.32	73,515	+0.07(+0.36%)
Dec 22, 2010	20.24	20.38	20.15	20.25	162,933	+0.08(+0.39%)
Dec 21, 2010	20.17	20.22	20.09	20.17	97,281	+0.03(+0.14%)
Dec 20, 2010	20.42	20.42	19.95	20.14	103,092	+0.13(+0.64%)
Dec 17, 2010	20.31	20.43	20.01	20.01	154,008	-0.40(-1.94%)
Dec 16, 2010	20.55	20.71	20.23	20.41	92,782	-0.16(-0.76%)
Dec 15, 2010	20.76	21.08	20.36	20.57	145,041	-0.23(-1.13%)
Dec 14, 2010	21.08	21.36	20.76	20.80	134,294	-0.30(-1.43%)
Dec 13, 2010	21.14	21.39	21.04	21.10	80,667	+0.03(+0.16%)
Dec 10, 2010	20.74	21.12	20.73	21.07	91,065	+0.39(+1.86%)
Dec 09, 2010	20.76	20.87	20.64	20.68	42,885	-0.01(-0.03%)
Dec 08, 2010	20.63	20.78	20.63	20.69	117,528	-0.09(-0.43%)
Dec 07, 2010	20.78	20.89	20.56	20.78	107,980	+0.08(+0.40%)
Dec 06, 2010	20.39	20.76	20.29	20.70	230,124	+0.55(+2.72%)
Dec 03, 2010	20.10	20.25	20.01	20.15	63,105	-0.02(-0.08%)
Dec 02, 2010	19.94	20.17	19.77	20.17	131,570	+0.21(+1.04%)

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