Year % of GDP 1960 24.090210148641724 1961 24.67560093597107 1962 10.561006666167328 1963 18.418100224382947 1964 25.31716548678769 1965 11.012231126107128 1966 34.85280151946819 1967 25.642840292521825 1968 26.446320408260597 1969 23.841059602649008 1970 28.68263473053892 1971 31.062091503267975 1972 35.41191936897458 1973 39.53416057097166 1974 50.418378782218895 1975 44.52125766264584 1976 43.006588347869936 1977 43.570199940033774 1978 42.71476303525895 1979 53.65553591836479 1980 52.65404647744452 1981 53.17730023876951 1982 48.6762274326459 1983 56.55923666442326 1984 50.11061997730165 1985 44.71837231104467 1986 41.00953816778633 1987 46.974247878292125 1988 47.254561422274264 1989 49.08188368911748 1990 52.89186143768929 1991 54.839564880576056 1992 57.427434110152774 1993 50.523385888230735 1994 51.87710104947495 1995 53.95859006354259 1996 52.264743657148 1997 55.99385880867771 1998 96.18619236026863 1999 62.94391286019243 2000 71.43687591737309 2001 69.79320752562379 2002 59.07946176637226 2003 53.616493747301575 2004 59.761294836691036 2005 63.98793586886347 2006 56.65712681488665 2007 54.829249978207464 2008 58.56139963146031 2009 45.51212136836037 2010 46.70127387535653 2011 50.18001318483307 2012 49.5828982992627 2013 48.63737267568211 2014 48.080175585406344 2015 41.937640241482534 2016 37.421341802475354 2017 39.35549707087119 2018 43.07430895487465 2019 37.627777536293785 2020 32.972175400352825 2021 40.20475827496714 2022 45.465898681674425 2023 41.3156667619874