Year	Percent
1986-01-01	0.0036409999999999997
1987-01-01	0.0034289999999999998
1988-01-01	1.1202500000000000000
1989-01-01	0.9185740000000000000
1990-01-01	0.6738880000000000000
1991-01-01	0.4510939999999999400
1992-01-01	0.2810060000000000000
1993-01-01	0.1482130000000000000
1994-01-01	0.0144830000000000010
1995-01-01	0.0200340000000000000
1996-01-01	0.0277070000000000000
1997-01-01	0.0391139999999999960
1998-01-01	0.1387810000000000000
1999-01-01	0.1738050000000000000
2000-01-01	0.0389420000000000040
2001-01-01	0.3076070000000000000
2002-01-01	0.5149790000000000000
2003-01-01	3.2220500000000000000
2004-01-01	1.1357300000000000000
2005-01-01	1.4153600000000000000
2006-01-01	0.6741520000000001000
2007-01-01	0.2582130000000000000
2008-01-01	0.8776270000000000000
2009-01-01	0.8013060000000001000
2010-01-01	0.6615660000000000000
2011-01-01	0.9906120000000000000
2012-01-01	0.8834370000000000000
2013-01-01	1.1256200000000000000
2014-01-01	1.3853400000000000000
2015-01-01	1.4742100000000000000
2016-01-01	0.5624340000000000000
2017-01-01	0.5263540000000000000