Year % of GDP 1960 13.249130440845116 1961 14.019364487923905 1962 12.375820237032299 1963 11.710134269030137 1964 11.087881574130675 1965 11.216154981651924 1966 11.259965082512894 1967 10.316635879121112 1968 11.317944114762481 1969 11.20258671613192 1970 11.856185224933057 1971 10.588621444201312 1972 10.020579268292682 1973 13.3396369959787 1974 15.376458951533136 1975 14.745609413417633 1976 14.845459753652248 1977 15.7157194911462 1978 16.926677946982515 1979 17.562765751836103 1980 17.560325500290624 1981 18.08783415166394 1982 18.089607571282173 1983 17.759712346913947 1984 18.769438793825536 1985 20.76693817488445 1986 24.553534760926958 1987 28.07780401054762 1988 68.74300725722514 1989 72.06651215436857 1990 73.01332641506956 1991 76.64064922927061 1992 81.49920214463522 1993 79.8691102571682 1994 82.32671081677704 1995 88.4798827881458 1996 93.61658143836362 1997 100.35729618852262 1998 104.95971954393126 1999 107.64353654982382 2000 107.89525112859752 2001 106.70251414009573 2002 101.59631900932824 2003 106.9122780307539 2004 110.6222866348773 2005 120.61990217077766 2006 129.3556254505709 2007 134.73371617748683 2008 144.568941849783 2009 142.0757872850695 2010 142.3894719241475 2013 140.44155859547544 2014 140.91797323874513 2015 143.82593729740833 2016 144.6400111292504 2017 141.86107854872662 2018 141.83362641382487 2019 141.93466780159406 2020 144.11609795360863 2021 140.9465513298866 2022 135.78330720761465 2023 130.62310321936658