Year	Percent
2000-01-01	4.500
2001-01-01	4.500
2002-01-01	4.500
2003-01-01	5.192
2004-01-01	5.706
2005-01-01	6.263
2006-01-01	6.459
2007-01-01	6.630
2008-01-01	7.211
2009-01-01	8.205