Year % of GDP 1960 18.698609522662977 1961 17.25048366905656 1962 18.528221272768157 1963 19.15973377703827 1964 19.905416215707497 1965 20.602336911999313 1966 21.997375112788124 1967 22.318899231080533 1968 23.520832620082853 1969 23.572497175831224 1970 22.265275707898656 1971 23.000099078569306 1972 24.22228208409096 1973 28.1224407868326 1974 27.637917895364634 1975 27.115570837134236 1976 27.70432403896914 1977 26.881074394769396 1978 27.814921281577792 1979 28.481781206053004 1980 27.64627224913084 1981 27.691424145761957 1982 26.87899827700916 1983 28.595970688235166 1984 30.243815692183855 1985 36.9394679292554 1986 40.26933264843771 1987 42.775525313162426 1988 46.71475050219982 1989 59.25490462290408 1990 60.55696265088524 1991 60.11619951796321 1992 61.86145849821981 1993 63.28126495595661 1994 66.76987383495032 1995 69.77374858322946 1996 71.49676897890046 1997 75.3187304393127 1998 79.11066689294685 1999 84.05447934809354 2000 87.53517868514533 2001 88.35907871337655 2002 91.21770335364454 2003 99.13471052757413 2004 102.61154576235434 2005 108.43307824027437 2006 113.60150973145153 2007 120.51180319528696 2008 121.71342028777099 2009 122.50745535870249 2010 125.19066973910078 2011 122.15987423375798 2012 121.17107484589353 2013 124.68996152602794 2014 128.4132289236567 2015 136.3063050608894 2016 142.57581336077521 2017 140.53132702904324 2018 139.8309018873132 2019 136.02451894261765 2020 142.01949041305895 2021 138.4800987215196 2022 133.8547260529577 2023 127.74459597574092