Year	Percent
1960-01-01	1.03322000000000000
1961-01-01	1.03223000000000000
1962-01-01	1.07528000000000000
1963-01-01	1.02483000000000000
1964-01-01	0.88382999999999990
1965-01-01	0.82105000000000000
1966-01-01	0.79870000000000000
1967-01-01	0.78249300000000000
1968-01-01	0.76030000000000000
1969-01-01	0.75221600000000000
1970-01-01	0.67254099999999990
1971-01-01	0.64759600000000000
1972-01-01	0.63318100000000000
1973-01-01	0.58236999999999990
1974-01-01	0.52758400000000000
1975-01-01	0.49811400000000006
1976-01-01	0.45365400000000000
1977-01-01	0.47224700000000003
1978-01-01	0.49269100000000000
1979-01-01	0.54768000000000010
1980-01-01	0.58568500000000000
1981-01-01	0.63060300000000000
1982-01-01	0.71350500000000010
1983-01-01	0.72575300000000000
1984-01-01	0.79309300000000000
1985-01-01	0.80332600000000000
1986-01-01	0.82350100000000000
1987-01-01	0.91859000000000000
1988-01-01	0.99898300000000000
1989-01-01	1.25762000000000020
1990-01-01	1.37802999999999990
1991-01-01	1.35167000000000010
1992-01-01	1.26911000000000000
1993-01-01	0.94381000000000000
1994-01-01	0.68121200000000000
1995-01-01	0.63143600000000000
1996-01-01	0.62118200000000000
1997-01-01	0.60530200000000000
1998-01-01	0.58931800000000000
1999-01-01	0.54419200000000000
2000-01-01	0.41654900000000000
2001-01-01	0.39494500000000000
2002-01-01	0.26911700000000000
2003-01-01	0.11303800000000001
2004-01-01	0.11937800000000000
2005-01-01	0.11975400000000000
2006-01-01	0.08457400000000000
2007-01-01	0.12867100000000000
2008-01-01	0.20580800000000000
2009-01-01	0.21582800000000002
2010-01-01	0.18197100000000000
2011-01-01	0.23516199999999998
2012-01-01	0.22833600000000000
2013-01-01	0.18362400000000000
2014-01-01	0.34715400000000000
2015-01-01	2.10535000000000000
2016-01-01	6.04761999999999900