Year	Percent
1996-01-01	0.4548010000000000
1997-01-01	0.4223490000000000
1998-01-01	0.4223490000000000
1999-01-01	0.5128880000000000
2000-01-01	0.5040450000000000
2001-01-01	0.5512830000000000
2002-01-01	0.6414910000000000
2003-01-01	0.6766220000000001
2004-01-01	0.7981800000000000
2005-01-01	0.8483060000000000
2006-01-01	0.7951590000000001
2007-01-01	1.0764799999999999
2008-01-01	1.0830100000000000
2009-01-01	0.8219350000000001
2010-01-01	0.8512520000000000
2011-01-01	0.8848770000000000
2012-01-01	0.8256879999999999
2013-01-01	0.8278810000000000
2014-01-01	0.8140100000000000
2015-01-01	0.8549110000000001