Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	20.21	20.23	20.12	20.17	8,685,133	-0.05(-0.25%)
Mar 30, 2011	20.22	20.30	20.22	20.22	8,845,231	+0.23(+1.16%)
Mar 29, 2011	19.81	20.01	19.75	19.99	8,592,965	+0.19(+0.97%)
Mar 28, 2011	19.88	19.99	19.80	19.80	7,252,561	-0.07(-0.35%)
Mar 25, 2011	19.87	19.95	19.85	19.87	5,381,417	-0.01(-0.03%)
Mar 24, 2011	19.92	19.92	19.74	19.87	9,788,069	+0.08(+0.42%)
Mar 23, 2011	19.78	19.83	19.67	19.79	8,883,408	-0.01(-0.05%)
Mar 22, 2011	19.80	19.90	19.72	19.80	11,485,304	+0.03(+0.14%)
Mar 21, 2011	19.79	19.84	19.76	19.77	8,038,702	+0.23(+1.17%)
Mar 18, 2011	19.66	19.71	19.46	19.54	14,378,941	+0.10(+0.50%)
Mar 17, 2011	19.60	19.61	19.30	19.45	19,187,486	+0.03(+0.15%)
Mar 16, 2011	19.70	19.75	19.26	19.42	24,485,322	-0.31(-1.57%)
Mar 15, 2011	19.74	19.83	19.71	19.73	22,717,598	-0.38(-1.90%)
Mar 14, 2011	20.15	20.18	19.97	20.11	30,276,678	-0.27(-1.32%)
Mar 11, 2011	20.30	20.45	20.27	20.38	8,029,484	+0.05(+0.22%)
Mar 10, 2011	20.45	20.50	20.32	20.33	17,303,036	-0.23(-1.14%)
Mar 09, 2011	20.37	20.61	20.34	20.57	20,912,496	+0.21(+1.02%)
Mar 08, 2011	20.20	20.40	20.14	20.36	10,726,281	+0.23(+1.12%)
Mar 07, 2011	20.14	20.29	20.08	20.14	17,241,714	+0.08(+0.39%)
Mar 04, 2011	20.16	20.20	19.91	20.06	11,713,493	-0.12(-0.61%)
Mar 03, 2011	20.05	20.22	20.05	20.18	9,222,673	+0.23(+1.13%)
Mar 02, 2011	19.93	20.01	19.88	19.95	9,191,093	+0.03(+0.17%)
Mar 01, 2011	20.05	20.20	19.92	19.92	19,395,514	-0.20(-1.01%)
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%)

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