Year % of GDP 1960 35.60038633575036 1961 36.95801915973967 1962 39.53406857865483 1963 42.36337753083903 1964 43.56438028172214 1965 45.33206420937264 1966 45.28633503884268 1967 46.179159121124876 1968 46.82690461581685 1969 47.394935947751655 1970 50.64592790990764 1971 52.96637818397629 1972 58.051919180886365 1973 61.180335366423975 1974 60.22149859687369 1975 58.387325648722204 1976 58.89003299890715 1977 60.56124610134612 1978 63.32911964781398 1981 61.06960994348947 1982 61.516372623925136 1983 63.54162906387803 1984 65.37463235460673 1985 67.18556770197445 1986 76.84423048419235 1987 82.95160830553787 1988 87.83706480580548 1989 88.84220097836037 1990 86.9287175351628 1991 86.31502393726319 1992 86.25944518917285 1993 87.20745834843893 1994 88.8738415151355 1995 90.36677264690427 1996 86.26930082698082 1997 86.43277018253723 1998 85.08189776782193 1999 87.03827227668909 2000 87.59979255926251 2001 76.30141978492387 2002 75.83139761451794 2003 77.543433412337 2004 79.44807857050148 2005 82.38401229957478 2006 85.8878642169367 2007 89.79564255142945 2008 92.37206403800576 2009 90.1279230048684 2010 87.66546101192495 2011 86.40164544683303 2012 84.4748256454935 2013 83.09508637112133 2014 81.38445559262519 2015 79.82109235419252 2016 80.36585370362855 2017 78.83352836666045 2018 78.61599693796903 2019 78.43428541927156 2020 83.92579302712538 2021 80.39565139496551 2022 77.0898631416351 2023 72.9997495898324