Year % of GDP 1965 24.641451394407035 1966 24.629092084766917 1967 24.901892808912834 1968 25.95693369035127 1969 26.155265114752975 1970 26.957983101362842 1971 28.375668052855477 1972 29.700024361775448 1973 29.59403657647356 1974 27.212967028687654 1975 28.88239493658342 1976 31.163897923771994 1977 30.45397650376795 1978 32.12130650501605 1979 34.243039091194156 1980 35.17820703510124 1981 34.37040153553924 1982 36.16848039265724 1983 37.47666160791488 1984 38.15531492166528 1985 39.68402783681799 1986 45.46500754465125 1987 45.145521116890315 1988 44.12077135158178 1989 57.2750716814292 1990 42.14740032346866 1991 43.09309689974015 1992 48.3891967828806 1993 51.631487727188556 1994 48.210996477211474 1995 48.36040074899732 1996 51.018598652287544 1997 54.66828664476191 1998 56.54164472829715 1999 63.764884493840036 2000 63.70597789035391 2001 70.06473848701813 2002 73.35634310507548 2003 76.34402013961586 2004 74.99049317503744 2005 75.77352236416162 2006 79.33526635897094 2007 80.7007143418741 2008 83.30459537894919 2009 98.8942510055136 2010 97.83375623810225 2011 99.43371121388635 2012 104.43344276698652 2013 109.63040879425904 2014 114.58154371714699 2015 125.79392633320987 2016 129.76597818855367 2017 127.67024672338282 2018 127.48789178053299 2019 129.81467212093784 2020 146.01517324384778 2021 142.52860970620304 2022 153.42186248418824 2023 161.56614560598425