Year	Percent
1992-01-01	0.11015200000000000
1993-01-01	0.10843199999999999
1994-01-01	0.11494800000000001
1995-01-01	0.11830299999999999
1996-01-01	0.11650600000000000
1997-01-01	0.12144900000000000
1998-01-01	0.12401400000000001
1999-01-01	0.12597100000000000
2000-01-01	0.13941199999999998
2001-01-01	0.14392700000000000
2002-01-01	0.15680900000000000
2003-01-01	0.14638500000000000
2004-01-01	0.16171900000000000
2005-01-01	0.15183400000000000
2006-01-01	0.17136700000000002
2007-01-01	0.19100699999999998
2008-01-01	0.19979800000000000
2009-01-01	0.22855400000000000
2010-01-01	0.25679200000000000
2011-01-01	0.28669900000000000
2012-01-01	0.29462100000000000
2013-01-01	0.30265800000000000
2014-01-01	0.31014200000000003
2015-01-01	0.35789200000000000