Year	Percent
1983-01-01	3.243400000000000000
1984-01-01	2.881520000000000000
1985-01-01	3.980930000000000300
1986-01-01	3.241220000000000000
1987-01-01	2.769930000000000000
1988-01-01	1.736120000000000000
1989-01-01	0.806743999999999900
1990-01-01	0.671647000000000000
1991-01-01	0.407023000000000000
1992-01-01	0.156655000000000000
1993-01-01	0.123030000000000000
1994-01-01	0.050552000000000000
1995-01-01	0.072158000000000000
1996-01-01	0.026151999999999998
1997-01-01	0.014496000000000000
1998-01-01	0.089053000000000000
1999-01-01	0.183955000000000000
2000-01-01	0.163335999999999980
2001-01-01	0.101503000000000000
2002-01-01	0.084550000000000000
2003-01-01	0.066919000000000000
2004-01-01	0.069498000000000000
2005-01-01	0.047031000000000000
2006-01-01	0.038028000000000000
2007-01-01	0.030445000000000000
2008-01-01	0.024638999999999998
2009-01-01	0.004279000000000000
2010-01-01	0.003892000000000000
2011-01-01	0.004075000000000000
2012-01-01	0.411393000000000000
2013-01-01	0.662168000000000000
2014-01-01	0.506866000000000000
2015-01-01	1.169320000000000100
2016-01-01	2.382609999999999700