Year % of GDP 1960 91.59658320741178 1961 91.80329123891262 1962 95.52001628671896 1963 98.90623125 1964 92.30770426035558 1965 95.02687567565533 1966 99.05469796757507 1967 97.59338207144098 1968 98.21138172006462 1969 100.05299469019182 1970 96.68030295551698 1971 97.52586095413155 1972 98.41410346833844 1973 92.4180341154932 1974 98.70990487918907 1975 94.78869593879426 1976 90.99725881517362 1977 88.32892256478696 1978 92.41209146013476 1979 89.67453971228225 1980 95.8051673147705 1981 98.63013779052623 1982 94.81971166723704 1983 95.64663498716092 1984 91.22625008233088 1985 91.79553375389763 1986 91.69538540436156 1987 96.02656753063454 1988 96.49128936016209 1989 97.72317900127038 1990 93.80496409386123 1991 96.71701576512223 1992 97.0605364875392 1993 98.58149740868926 1994 148.50794558044683 1995 107.2614635580523 1996 105.79690037276926 1997 104.06299939481067 1998 102.81667069752385 1999 104.5344687089175 2000 104.43936999670065 2001 101.87651804202997 2002 102.63190558224638 2003 100.58827418117417 2004 98.31742943441874 2005 97.69344187868268 2006 96.4295444481996 2007 91.8453906220173 2008 93.71431718466029 2009 95.05547649563572 2010 95.26083322716983 2011 93.49697004010106 2012 93.24815201467031 2013 91.27726349554153 2014 92.93637691722415 2015 94.49744541207455 2016 92.74545729183801 2017 88.7834838399768 2018 91.24590800777334 2019 87.29607093005666 2020 92.80140531542493 2021 88.630654282298 2022 90.44712983493652 2023 91.85673468521755