Year	Percent
1980-01-01	0.0086540000000000000
1981-01-01	0.0078930000000000000
1982-01-01	0.0062320000000000000
1983-01-01	0.0053300000000000000
1984-01-01	0.0073269999999999990
1985-01-01	0.0045820000000000000
1986-01-01	0.0117950000000000000
1987-01-01	0.0108900000000000000
1988-01-01	0.0075790000000000010
1989-01-01	0.0055550000000000000
1990-01-01	0.0041670000000000006
1991-01-01	0.0035600000000000002
1992-01-01	0.0096580000000000000
1993-01-01	0.0075180000000000000
1994-01-01	0.0061300000000000000
1995-01-01	2.7187400000000000000
1996-01-01	2.6808400000000003000
1997-01-01	0.7038920000000000000
1998-01-01	3.0237000000000000000
1999-01-01	3.3578400000000000000
2000-01-01	1.1220800000000000000
2001-01-01	0.5699640000000000000
2002-01-01	1.7405800000000000000
2003-01-01	1.8681700000000000000
2004-01-01	1.7061900000000000000
2005-01-01	0.1475380000000000000
2006-01-01	0.8287220000000000000
2007-01-01	1.9445900000000000000
2008-01-01	0.9011770000000000000
2009-01-01	1.4628100000000000000
2010-01-01	1.7152100000000000000
2011-01-01	1.9986599999999999000
2012-01-01	1.6974300000000000000
2013-01-01	1.4157700000000000000
2014-01-01	1.2448299999999999000
2015-01-01	1.1416600000000001000
2016-01-01	1.3169600000000001000
2017-01-01	1.3048300000000000000