Year	Percent
1996-01-01	4.5263900000000000
1997-01-01	5.0124600000000000
1998-01-01	5.2271600000000000
1999-01-01	5.6551300000000010
2000-01-01	6.0288400000000000
2001-01-01	6.1678800000000000
2002-01-01	5.4763400000000000
2003-01-01	5.0227400000000000
2004-01-01	4.6636300000000000
2005-01-01	5.0379700000000000
2006-01-01	4.4225400000000010
2007-01-01	5.4235600000000000
2008-01-01	6.6449899999999990
2009-01-01	5.7035100000000000
2010-01-01	5.1054200000000000
2011-01-01	5.0784800000000000
2012-01-01	5.7653600000000000
2013-01-01	5.6983000000000000
2014-01-01	5.9244100000000000
2015-01-01	6.5588200000000000
2016-01-01	5.9419900000000005