Year	Percent
2001-01-01	1.38
2002-01-01	1.40
2003-01-01	1.43
2004-01-01	1.42
2005-01-01	1.50
2006-01-01	1.47
2007-01-01	1.37
2008-01-01	1.31
2009-01-01	1.39
2010-01-01	1.40
2011-01-01	1.80
2012-01-01	1.69
2013-01-01	1.74
2014-01-01	1.74
2015-01-01	1.78
2016-01-01	1.75