Year % of GDP 1960 49.95341709488232 1961 49.39443926185582 1962 33.59181215914124 1963 39.2329508580582 1964 40.563773794539074 1965 37.06007506413198 1966 38.22135264515885 1967 38.16574162939027 1968 36.95458710539674 1969 38.393625738435546 1970 42.303398060307 1971 44.505394860246355 1972 43.12830795504477 1973 50.8571963737709 1974 69.00871199769531 1975 71.64968110362602 1976 66.02168496867147 1977 67.2336443368707 1978 59.91665005536975 1979 63.900960979421825 1980 65.3495032492756 1981 66.28072026885758 1982 61.545589136441215 1983 52.75159730958744 1984 48.4600342081789 1985 44.573298730775 1986 33.60028807822735 1987 35.47963642455267 1988 41.37145034420108 1989 47.71562950360265 1990 48.16122301633812 1991 49.85398617248908 1992 46.58950538875448 1993 46.90701287538141 1994 44.89759385462678 1995 44.7977863397738 1996 43.30840796682969 1997 56.21441708178842 1998 56.231593406134905 1999 58.59188162942824 2000 61.19207912545591 2001 60.41926368106292 2002 62.9890293294867 2003 70.03818098530343 2004 70.59161087748838 2005 73.596188800351 2006 69.51194157733015 2007 68.62489195736352 2008 71.8616554038951 2009 62.78967120068292 2010 60.70285788164315 2011 58.94678709366978 2012 59.30061893852178 2013 58.89492603971107 2014 56.26523488312356 2015 51.54802795292553 2016 47.76264348473079 2017 53.59248996015722 2018 60.5617218158745 2019 57.0286484977205 2020 47.74577026490951 2021 53.706384483518555 2022 60.62194804333832 2023 62.07098509947189