Year	Percent
1991-01-01	2.48167000000000030
1992-01-01	1.06307000000000020
1993-01-01	0.95020600000000000
1994-01-01	0.95663000000000000
1995-01-01	0.62245000000000000
1996-01-01	0.54220400000000000
1997-01-01	0.48058500000000004
1998-01-01	0.44175100000000000
1999-01-01	0.40137100000000000
2000-01-01	0.38661700000000000
2001-01-01	0.28256000000000000
2002-01-01	0.17534900000000000
2003-01-01	0.29832300000000000
2004-01-01	0.40554400000000000
2005-01-01	0.31488800000000000
2006-01-01	0.22897800000000001
2007-01-01	0.19573500000000000
2008-01-01	0.18203300000000000
2009-01-01	0.31812800000000000
2010-01-01	0.41676899999999995
2011-01-01	0.32999000000000000
2012-01-01	0.45191700000000000
2013-01-01	0.63501200000000000
2014-01-01	0.66250400000000000
2015-01-01	3.28080000000000000
2016-01-01	8.41462000000000000