Year	Percent
1983-01-01	5.4033700000000000
1984-01-01	2.3030400000000000
1985-01-01	11.3201000000000000
1986-01-01	6.8910000000000000
1987-01-01	0.9729639999999999
1988-01-01	27.9550000000000000
1989-01-01	8.9933800000000000
1990-01-01	7.1560800000000000
1991-01-01	10.6795000000000000
1992-01-01	7.6269899999999990
1993-01-01	0.5410420000000000
1994-01-01	2.1770500000000000
1995-01-01	0.6151670000000000
1996-01-01	9.3688100000000000
1997-01-01	7.8555500000000000
1998-01-01	7.7402200000000000
1999-01-01	4.7484300000000000
2000-01-01	4.3426500000000000
2001-01-01	4.6233400000000000
2002-01-01	5.9746500000000000
2003-01-01	3.1773000000000000
2004-01-01	3.2223900000000003
2005-01-01	4.4362400000000000
2006-01-01	2.4781100000000000
2007-01-01	1.5011700000000001
2008-01-01	3.4303800000000004
2009-01-01	1.3491700000000000
2010-01-01	5.2683400000000000
2011-01-01	9.7488000000000000
2012-01-01	0.9337469999999999
2013-01-01	2.2540200000000000
2014-01-01	13.8855000000000000
2015-01-01	0.7436510000000001
2016-01-01	6.1554699999999990