Year	Percent
1983-01-01	0.096497000000000000
1984-01-01	0.067394000000000010
1985-01-01	0.032753000000000000
1986-01-01	0.038324000000000004
1987-01-01	0.038324000000000004
1988-01-01	0.341212000000000000
1989-01-01	0.277433000000000000
1990-01-01	0.115565000000000010
1991-01-01	0.194570000000000000
1992-01-01	0.212128999999999980
1993-01-01	0.037675000000000000
1994-01-01	1.263610000000000100
1995-01-01	0.567336000000000000
1996-01-01	0.800781000000000100
1997-01-01	2.434350000000000000
1998-01-01	6.072680000000000000
1999-01-01	6.586530000000001000
2000-01-01	2.455780000000000000
2001-01-01	2.094740000000000300
2002-01-01	2.144650000000000000
2003-01-01	0.938437999999999900
2004-01-01	0.528151000000000000
2005-01-01	4.264250000000000000
2006-01-01	5.936669999999999400
2007-01-01	11.633800000000000000
2008-01-01	8.718970000000000000
2009-01-01	9.092780000000000000
2010-01-01	5.874690000000000000
2011-01-01	5.534750000000000000
2012-01-01	5.450110000000000000
2013-01-01	12.590900000000000000
2014-01-01	13.163700000000000000
2015-01-01	13.138800000000000000
2016-01-01	12.234600000000000000