Year	Percent
1995-01-01	0.36808200000000000
1996-01-01	0.37048600000000004
1997-01-01	0.29922400000000000
1998-01-01	0.26004800000000000
1999-01-01	0.25183300000000000
2000-01-01	0.19591000000000000
2001-01-01	0.19164200000000000
2002-01-01	0.23106700000000000
2003-01-01	0.26722300000000000
2004-01-01	0.25853899999999996
2005-01-01	0.28543200000000000
2006-01-01	0.29234299999999996
2007-01-01	0.31930200000000000
2008-01-01	0.33570100000000000
2009-01-01	0.31047900000000000
2010-01-01	0.35234499999999996
2011-01-01	0.36945000000000000
2012-01-01	0.43571200000000000
2013-01-01	0.47676800000000000
2014-01-01	0.49546200000000000
2015-01-01	0.56119700000000010
2016-01-01	0.58038100000000000