Year	Percent
1990-01-01	0.3447190000000000000
1991-01-01	0.2638760000000000000
1992-01-01	0.4494380000000000000
1993-01-01	0.9042120000000001000
1994-01-01	0.7805150000000000000
1995-01-01	0.4209600000000000600
1996-01-01	0.2871140000000000000
1997-01-01	0.0438440000000000000
1998-01-01	0.0196420000000000000
1999-01-01	0.0073870000000000000
2000-01-01	0.0073870000000000000
2001-01-01	0.0073870000000000000
2002-01-01	0.0073870000000000000
2003-01-01	0.0073870000000000000
2004-01-01	0.0073870000000000000
2005-01-01	0.0019100000000000002
2006-01-01	0.0162880000000000000
2007-01-01	0.1661810000000000000
2008-01-01	0.0457810000000000000
2009-01-01	0.0513049999999999960
2010-01-01	0.2365270000000000000
2011-01-01	0.8412660000000000000
2012-01-01	1.7345099999999998000
2013-01-01	1.7234500000000000000
2014-01-01	2.0225500000000000000
2015-01-01	1.8379900000000002000
2016-01-01	1.5792300000000000000