Year	Percent
1983-01-01	0.201958
1984-01-01	0.201958
1985-01-01	0.201958
1986-01-01	0.201958
1987-01-01	0.201958
1988-01-01	0.201958
1989-01-01	0.201958
1990-01-01	0.201958
1991-01-01	0.201958
1992-01-01	0.144679
1993-01-01	0.144679
1994-01-01	0.144679
1995-01-01	0.144679
1996-01-01	0.144679
1997-01-01	0.144679
1998-01-01	0.144679
1999-01-01	0.144679
2000-01-01	22.940000
2001-01-01	11.430000
2002-01-01	9.020000
2003-01-01	8.020000
2004-01-01	8.210000
2005-01-01	11.490000
2006-01-01	8.000000
2007-01-01	5.660000
2008-01-01	2.470000
2009-01-01	2.720000
2010-01-01	2.300000
2011-01-01	1.580000
2012-01-01	1.870000
2013-01-01	2.100000
2014-01-01	1.870000
2015-01-01	1.780000
2016-01-01	1.680000