Year	Percent
2000-01-01	1.90
2001-01-01	1.90
2002-01-01	1.90
2003-01-01	1.59
2004-01-01	1.54
2005-01-01	1.31
2006-01-01	1.42
2007-01-01	1.36
2008-01-01	1.26
2009-01-01	1.60
2010-01-01	1.32
2011-01-01	1.29
2012-01-01	1.42
2013-01-01	1.70
2014-01-01	1.55
2015-01-01	1.78