Year	Percent
2003-01-01	0.60
2004-01-01	0.60
2005-01-01	0.60
2006-01-01	0.67
2007-01-01	0.65
2008-01-01	0.67
2009-01-01	0.65
2010-01-01	0.60
2011-01-01	0.54
2012-01-01	0.62