Year	Percent
1998-01-01	0.4672900000000000
1999-01-01	0.4672900000000000
2000-01-01	0.4672900000000000
2001-01-01	0.6558410000000000
2002-01-01	0.6558410000000000
2003-01-01	0.6558410000000000
2004-01-01	0.6558410000000000
2005-01-01	2.4767200000000003
2006-01-01	2.4163000000000000
2007-01-01	0.3540470000000000
2008-01-01	0.7482770000000001