Year	Percent
1990-01-01	0.46039300000000005
1991-01-01	0.51841000000000000
1992-01-01	0.61837000000000000
1993-01-01	0.77161800000000000
1994-01-01	0.78127900000000000
1995-01-01	0.74681800000000000
1996-01-01	0.60917000000000000
1997-01-01	0.70504500000000000
1998-01-01	0.72197800000000000
1999-01-01	0.70283100000000010
2000-01-01	0.65492900000000000
2001-01-01	0.83559300000000000
2002-01-01	0.96275000000000000
2003-01-01	0.98040200000000000
2004-01-01	0.91643100000000000
2005-01-01	0.84259100000000000
2006-01-01	0.79926000000000010
2007-01-01	0.76897200000000000
2008-01-01	0.76758900000000010
2009-01-01	0.76413000000000000
2010-01-01	0.75212300000000000
2011-01-01	0.72540500000000000
2012-01-01	0.77590500000000010
2013-01-01	0.77196700000000000
2014-01-01	0.79600100000000010
2015-01-01	0.82017800000000010
2016-01-01	0.59914600000000000