Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	19.97	20.20	19.93	20.12	19,626,798	+0.22(+1.12%)
Feb 25, 2011	19.83	19.91	19.78	19.90	6,299,823	+0.11(+0.56%)
Feb 24, 2011	19.82	19.91	19.73	19.79	11,314,455	-0.08(-0.39%)
Feb 23, 2011	19.88	19.98	19.84	19.87	8,640,082	-0.04(-0.22%)
Feb 22, 2011	19.86	19.98	19.82	19.91	9,593,365	-0.09(-0.44%)
Feb 18, 2011	19.98	20.03	19.93	20.00	4,752,518	+0.03(+0.16%)
Feb 17, 2011	19.97	20.03	19.92	19.97	13,042,943	+0.04(+0.19%)
Feb 16, 2011	20.00	20.03	19.82	19.93	8,637,615	-0.04(-0.22%)
Feb 15, 2011	19.91	20.00	19.83	19.97	5,147,122	+0.06(+0.31%)
Feb 14, 2011	20.04	20.07	19.83	19.91	6,597,376	-0.14(-0.72%)
Feb 11, 2011	20.05	20.17	20.02	20.05	14,765,045	-0.04(-0.19%)
Feb 10, 2011	20.03	20.11	20.02	20.09	6,775,229	+0.04(+0.19%)
Feb 09, 2011	20.03	20.08	19.95	20.05	6,845,910	-0.00(-0.01%)
Feb 08, 2011	20.08	20.08	20.00	20.05	5,969,885	-0.00(-0.01%)
Feb 07, 2011	19.92	20.07	19.91	20.06	5,939,577	+0.13(+0.64%)
Feb 04, 2011	20.03	20.07	19.80	19.93	7,862,671	-0.12(-0.61%)
Feb 03, 2011	19.95	20.08	19.87	20.05	11,836,805	+0.08(+0.41%)
Feb 02, 2011	20.02	20.06	19.95	19.97	5,018,509	-0.11(-0.55%)
Feb 01, 2011	19.98	20.08	19.90	20.08	8,447,523	+0.20(+1.01%)
Jan 31, 2011	19.93	19.95	19.83	19.88	6,403,385	+0.04(+0.22%)
Jan 28, 2011	20.12	20.15	19.83	19.83	9,035,661	-0.27(-1.34%)
Jan 27, 2011	19.97	20.15	19.97	20.10	5,592,082	+0.08(+0.38%)
Jan 26, 2011	20.13	20.13	19.97	20.03	8,863,620	-0.08(-0.38%)
Jan 25, 2011	20.10	20.18	20.02	20.11	13,590,627	-0.03(-0.15%)
Jan 24, 2011	20.07	20.19	20.02	20.14	5,841,932	+0.11(+0.56%)
Jan 21, 2011	20.17	20.17	19.98	20.02	12,135,522	-0.02(-0.09%)
Jan 20, 2011	19.92	20.10	19.90	20.04	13,744,046	+0.15(+0.76%)
Jan 19, 2011	19.95	19.98	19.86	19.89	7,699,142	-0.05(-0.24%)
Jan 18, 2011	19.89	19.96	19.85	19.94	5,736,177	+0.05(+0.24%)
Jan 14, 2011	19.77	19.90	19.73	19.89	8,778,151	+0.09(+0.47%)
Jan 13, 2011	19.83	19.85	19.71	19.80	10,850,646	-0.02(-0.09%)
Jan 12, 2011	19.77	19.91	19.77	19.82	6,685,467	+0.10(+0.52%)
Jan 11, 2011	19.76	19.80	19.65	19.71	5,085,030	+0.03(+0.14%)
Jan 10, 2011	19.74	19.74	19.57	19.68	10,144,358	-0.11(-0.55%)
Jan 07, 2011	19.75	19.80	19.61	19.79	8,125,458	+0.07(+0.36%)
Jan 06, 2011	19.72	19.74	19.58	19.72	9,106,949	+0.02(+0.10%)
Jan 05, 2011	19.77	19.78	19.68	19.70	7,338,458	-0.12(-0.62%)
Jan 04, 2011	19.73	19.87	19.61	19.82	7,949,003	+0.09(+0.45%)
Jan 03, 2011	19.72	19.78	19.63	19.74	5,643,039	+0.10(+0.49%)
Dec 31, 2010	19.63	19.72	19.61	19.64	3,464,806	+0.01(+0.03%)
Dec 30, 2010	19.64	19.72	19.61	19.63	3,950,435	-0.03(-0.16%)
Dec 29, 2010	19.77	19.77	19.63	19.66	2,959,556	-0.07(-0.35%)
Dec 28, 2010	19.69	19.73	19.60	19.73	1,881,467	+0.07(+0.35%)
Dec 27, 2010	19.65	19.74	19.58	19.66	3,417,343	+0.01(+0.06%)
Dec 23, 2010	19.66	19.72	19.61	19.65	4,586,145	+0.01(+0.06%)
Dec 22, 2010	19.55	19.69	19.55	19.64	5,408,375	+0.09(+0.45%)
Dec 21, 2010	19.56	19.62	19.53	19.55	5,118,217	-0.03(-0.16%)
Dec 20, 2010	19.56	19.60	19.47	19.58	7,971,747	+0.06(+0.32%)
Dec 17, 2010	19.41	19.52	19.31	19.52	9,831,481	+0.10(+0.53%)
Dec 16, 2010	19.27	19.43	19.17	19.42	9,041,091	+0.17(+0.89%)
Dec 15, 2010	19.38	19.44	19.24	19.25	17,186,406	-0.17(-0.86%)
Dec 14, 2010	19.42	19.49	19.37	19.41	8,182,323	+0.05(+0.27%)
Dec 13, 2010	19.31	19.41	19.29	19.36	10,297,123	+0.09(+0.47%)
Dec 10, 2010	19.23	19.30	19.22	19.27	7,261,720	+0.07(+0.39%)
Dec 09, 2010	19.21	19.22	19.10	19.20	10,353,101	+0.08(+0.42%)
Dec 08, 2010	19.23	19.27	19.07	19.12	13,672,935	-0.07(-0.35%)
Dec 07, 2010	19.41	19.46	19.17	19.18	16,139,315	-0.13(-0.67%)
Dec 06, 2010	19.36	19.39	19.29	19.31	6,718,220	-0.05(-0.27%)
Dec 03, 2010	19.26	19.39	19.21	19.37	9,545,824	+0.04(+0.21%)
Dec 02, 2010	19.25	19.33	19.18	19.33	15,257,271	+0.06(+0.29%)

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