Year	Percent
1982-01-01	0.34180300000000000
1983-01-01	0.33352400000000000
1984-01-01	0.37409400000000000
1985-01-01	0.65128300000000000
1986-01-01	1.27180000000000000
1987-01-01	1.56149000000000000
1988-01-01	1.95508000000000000
1989-01-01	2.14221000000000000
1990-01-01	1.65810999999999980
1991-01-01	1.18859000000000000
1992-01-01	0.84652900000000010
1993-01-01	0.96207099999999990
1994-01-01	1.32721000000000000
1995-01-01	1.18555000000000000
1996-01-01	1.62529000000000000
1997-01-01	3.64068000000000000
1998-01-01	6.25831999999999900
1999-01-01	5.47418000000000050
2000-01-01	4.78926000000000000
2001-01-01	3.81844000000000030
2002-01-01	1.61492000000000010
2003-01-01	1.10351000000000000
2004-01-01	1.02007999999999990
2005-01-01	0.84024400000000010
2006-01-01	0.55570500000000000
2007-01-01	0.49780200000000000
2008-01-01	1.85065999999999970
2009-01-01	1.94045999999999990
2010-01-01	0.42021899999999995
2011-01-01	0.25995900000000000
2012-01-01	0.20232000000000000
2013-01-01	0.19344800000000000
2014-01-01	0.17397300000000000
2015-01-01	0.16393600000000000
2016-01-01	0.14153300000000000
2017-01-01	0.13271400000000000