Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2008	20.61	20.77	20.51	20.52	73,567	+0.05(+0.25%)
Apr 29, 2008	20.48	20.52	20.36	20.47	96,305	-0.09(-0.44%)
Apr 28, 2008	20.58	20.62	20.52	20.56	30,025	+0.03(+0.13%)
Apr 25, 2008	20.67	20.67	20.44	20.53	76,664	-0.11(-0.56%)
Apr 24, 2008	20.61	20.69	20.42	20.64	187,905	-0.01(-0.03%)
Apr 23, 2008	20.58	20.67	20.50	20.65	61,592	+0.08(+0.38%)
Apr 22, 2008	20.65	20.67	20.52	20.57	61,701	-0.20(-0.97%)
Apr 21, 2008	20.62	20.78	20.60	20.78	46,211	+0.02(+0.11%)
Apr 18, 2008	20.96	20.97	20.68	20.75	64,641	+0.04(+0.20%)
Apr 17, 2008	20.69	20.75	20.63	20.71	87,765	-0.13(-0.62%)
Apr 16, 2008	20.70	20.85	20.66	20.84	122,520	+0.17(+0.84%)
Apr 15, 2008	20.64	20.67	20.54	20.67	173,716	+0.18(+0.86%)
Apr 14, 2008	20.40	20.54	20.40	20.49	60,495	+0.12(+0.60%)
Apr 11, 2008	20.43	20.52	20.35	20.37	114,240	-0.23(-1.10%)
Apr 10, 2008	20.55	20.66	20.54	20.60	113,055	+0.04(+0.20%)
Apr 09, 2008	20.67	20.67	20.48	20.56	132,465	-0.17(-0.81%)
Apr 08, 2008	20.73	20.74	20.59	20.73	47,237	-0.09(-0.42%)
Apr 07, 2008	20.96	20.96	20.75	20.81	63,417	+0.01(+0.05%)
Apr 04, 2008	20.95	20.95	20.73	20.80	58,379	+0.07(+0.33%)
Apr 03, 2008	20.63	20.77	20.63	20.74	43,562	+0.00(+0.02%)
Apr 02, 2008	20.71	20.79	20.64	20.73	67,862	-0.09(-0.42%)
Apr 01, 2008	20.67	20.84	20.55	20.82	111,072	+0.32(+1.55%)
Mar 31, 2008	20.42	20.57	19.81	20.50	129,502	+0.10(+0.48%)
Mar 28, 2008	20.47	20.51	20.35	20.41	37,932	-0.03(-0.15%)
Mar 27, 2008	20.66	20.66	20.42	20.44	82,365	-0.10(-0.51%)
Mar 26, 2008	20.51	20.57	20.44	20.54	46,229	+0.03(+0.13%)
Mar 25, 2008	20.42	20.54	20.36	20.51	50,378	+0.13(+0.65%)
Mar 24, 2008	20.24	20.49	20.24	20.38	49,874	+0.17(+0.83%)
Mar 21, 2008	19.89	20.25	19.86	20.21	125,353	+0.00(+0.00%)
Mar 20, 2008	19.89	20.25	19.86	20.21	125,353	+0.35(+1.75%)
Mar 19, 2008	20.13	20.21	19.85	19.87	36,983	-0.25(-1.26%)
Mar 18, 2008	20.13	20.13	19.89	20.12	102,772	+0.31(+1.57%)
Mar 17, 2008	19.43	19.87	19.43	19.81	56,898	-0.04(-0.19%)
Mar 14, 2008	20.26	20.26	19.76	19.85	80,309	-0.38(-1.90%)
Mar 13, 2008	19.91	20.30	19.91	20.23	67,566	+0.24(+1.20%)
Mar 12, 2008	20.08	20.11	19.96	19.99	50,378	-0.09(-0.47%)
Mar 11, 2008	20.04	20.08	19.80	20.08	154,691	+0.34(+1.71%)
Mar 10, 2008	19.88	19.88	19.72	19.75	24,003	+0.02(+0.09%)
Mar 07, 2008	19.68	19.84	19.68	19.73	58,104	-0.12(-0.63%)
Mar 06, 2008	19.91	19.99	19.86	19.86	279,452	-0.07(-0.37%)
Mar 05, 2008	19.83	20.00	19.74	19.93	42,080	+0.08(+0.43%)
Mar 04, 2008	19.73	19.90	19.64	19.85	440,070	-0.05(-0.24%)
Mar 03, 2008	19.84	19.89	19.74	19.89	224,035	+0.16(+0.79%)
Feb 29, 2008	20.02	20.02	19.72	19.74	320,095	-0.38(-1.88%)
Feb 28, 2008	20.18	20.22	20.09	20.12	186,696	-0.04(-0.20%)
Feb 27, 2008	20.20	20.34	20.14	20.16	622,248	-0.07(-0.37%)
Feb 26, 2008	19.99	20.27	19.99	20.23	100,164	+0.18(+0.90%)
Feb 25, 2008	19.91	20.06	19.82	20.05	226,999	+0.10(+0.50%)
Feb 22, 2008	19.92	19.95	19.67	19.95	36,153	+0.23(+1.16%)
Feb 21, 2008	19.79	20.00	19.69	19.72	69,344	+0.05(+0.24%)
Feb 20, 2008	19.54	19.79	19.50	19.67	51,504	-0.11(-0.55%)
Feb 19, 2008	20.02	20.02	19.70	19.78	80,605	-0.01(-0.03%)
Feb 18, 2008	19.68	19.79	19.61	19.79	0	+0.00(+0.00%)
Feb 15, 2008	19.68	19.79	19.61	19.79	86,396	+0.09(+0.46%)
Feb 14, 2008	19.93	19.93	19.63	19.70	97,597	-0.15(-0.77%)
Feb 13, 2008	19.89	19.89	19.71	19.85	40,616	+0.12(+0.60%)
Feb 12, 2008	19.71	19.83	19.65	19.73	246,854	+0.24(+1.25%)
Feb 11, 2008	19.46	19.54	19.32	19.49	65,163	+0.08(+0.43%)
Feb 08, 2008	19.38	19.51	19.34	19.40	147,875	-0.03(-0.17%)
Feb 07, 2008	19.34	19.53	19.31	19.44	556,237	-0.00(-0.02%)
Feb 06, 2008	19.46	19.63	19.42	19.44	2,308,518	+0.04(+0.19%)
Feb 05, 2008	19.52	19.67	19.38	19.40	817,019	-0.52(-2.63%)
Feb 04, 2008	19.99	20.10	19.87	19.93	1,070,026	-0.07(-0.35%)

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