Year	Percent
1960-01-01	1.13919000000000000
1961-01-01	1.18929000000000000
1962-01-01	1.11958999999999990
1963-01-01	1.00535000000000000
1964-01-01	1.64008000000000000
1965-01-01	2.02305999999999960
1966-01-01	1.97704000000000010
1967-01-01	2.05843000000000000
1968-01-01	1.93648000000000000
1969-01-01	1.83585999999999980
1970-01-01	1.62568999999999990
1971-01-01	1.24558000000000000
1972-01-01	0.94502500000000000
1973-01-01	0.91275200000000000
1974-01-01	0.85937999999999990
1975-01-01	0.84824400000000000
1976-01-01	0.80771200000000000
1977-01-01	0.73773500000000000
1978-01-01	0.69557200000000010
1979-01-01	0.61792200000000000
1980-01-01	0.56406899999999990
1981-01-01	0.52301600000000000
1982-01-01	0.49544900000000000
1983-01-01	0.49546700000000000
1984-01-01	0.51809800000000000
1985-01-01	0.49912900000000000
1986-01-01	0.44476099999999996
1987-01-01	0.39813100000000000
1988-01-01	0.37327500000000000
1989-01-01	0.36873400000000000
1990-01-01	0.38177100000000000
1991-01-01	0.39729000000000003
1992-01-01	0.40524099999999996
1993-01-01	0.41082100000000000
1994-01-01	0.40885800000000000
1995-01-01	0.39989500000000000
1996-01-01	0.40576000000000000
1997-01-01	0.42908000000000000
1998-01-01	0.42908000000000000
1999-01-01	0.42908000000000000
2000-01-01	0.53693300000000000
2001-01-01	0.57827400000000000
2002-01-01	0.60347200000000000
2003-01-01	0.61570000000000000
2004-01-01	0.57590400000000000
2005-01-01	0.55153800000000000
2006-01-01	0.54443900000000000
2007-01-01	0.53615300000000000
2008-01-01	0.53090000000000000
2009-01-01	0.66083800000000000
2010-01-01	0.81521199999999990
2011-01-01	0.90233299999999990
2012-01-01	1.02244000000000000
2013-01-01	1.11697999999999990
2014-01-01	1.08263000000000000
2015-01-01	2.61121000000000000
2016-01-01	6.54075000000000000