Year % GDP 1960 11.464157534669532 1961 11.661526003159826 1962 12.432918006957651 1963 12.61013459458892 1964 15.161783237257875 1965 16.727528550248813 1966 19.60216714784941 1967 21.82283223732594 1968 23.03232456310116 1969 24.16781758782173 1970 25.483376452426036 1971 24.777773062315354 1972 27.992027826884758 1973 30.0822865932861 1974 33.00673089105516 1975 32.94169536030541 1976 33.56368028595456 1977 40.650552872431604 1978 51.18052884917476 1979 58.810018558392144 1980 61.37014212778954 1981 53.85603894225165 1982 57.88805667558846 1983 60.078554774300606 1984 69.80270054182117 1985 50.32653847454148 1986 43.89265507031466 1987 46.441602588424225 1988 48.64868601064663 1989 49.49984437858612 1990 49.031423510056584 1991 46.90799776654694 1992 48.43248529396945 1993 54.20413975582823 1994 56.7928114016526 1995 58.608344278228266 1996 60.153583036885415 1997 62.1683110527464 1998 66.5092635945726 1999 69.39530734823681 2000 70.4826776956145 2001 74.51762185806584 2002 77.32296234721194 2003 73.90564796396932 2004 72.0513343947904 2005 74.81371083457992 2006 72.71728723412757 2007 65.96469364160302 2008 69.2314127828597 2009 65.51478164939411 2010 67.30460595398712 2011 67.70329412516902 2012 66.5962191874055 2013 64.83603263980004 2014 65.08254867137975 2015 65.72936804432204 2016 64.69555882539937 2017 64.68235576387215 2018 65.41794335596448 2019 64.15870055265155 2020 67.55117667242588 2021 69.37210718022745 2022 70.16601686257312 2023 69.83736335040344