Year	Percent
1978-01-01	0.0037090000000000005
1979-01-01	0.0031030000000000003
1980-01-01	0.0011060000000000000
1981-01-01	0.0047640000000000000
1982-01-01	0.0016820000000000001
1983-01-01	0.0085120000000000000
1984-01-01	0.0025700000000000000
1985-01-01	0.0039990000000000000
1986-01-01	0.0067870000000000005
1987-01-01	0.0091250000000000000
1988-01-01	0.0035020000000000003
1989-01-01	0.0037440000000000000
1990-01-01	0.0147150000000000000
1991-01-01	0.0295220000000000030
1992-01-01	0.0413810000000000000
1993-01-01	0.0692750000000000000
1994-01-01	0.0895400000000000000
1995-01-01	0.0901750000000000000
1996-01-01	0.1005900000000000000
1997-01-01	0.1153710000000000000
1998-01-01	0.1240830000000000000
1999-01-01	0.0910830000000000000
2000-01-01	0.1193950000000000000
2001-01-01	0.1068760000000000000
2002-01-01	0.0536030000000000000
2003-01-01	0.0921820000000000000
2004-01-01	0.0883460000000000100
2005-01-01	0.1151290000000000000
2006-01-01	0.0000000000000000000
2007-01-01	0.0000000000000000000
2008-01-01	0.0000000000000000000
2009-01-01	0.0000000000000000000
2010-01-01	0.0000000000000000000
2011-01-01	0.0000000000000000000
2012-01-01	0.0000000000000000000
2013-01-01	0.0000000000000000000
2014-01-01	0.0000000000000000000
2015-01-01	0.0000000000000000000
2016-01-01	0.0000000000000000000
2017-01-01	0.0000000000000000000