Year	Percent
2000-01-01	1.1
2001-01-01	5.6
2002-01-01	8.8
2003-01-01	11.8
2004-01-01	13.4
2005-01-01	12.2
2006-01-01	9.6
2007-01-01	12.1
2008-01-01	5.7
2009-01-01	5.7