Year % GDP 1960 22.94862543790449 1961 24.272706354163244 1962 24.32805445741421 1963 22.591354493342983 1964 20.51699860305839 1965 20.642110831900542 1966 21.294944395169544 1967 21.568209788885735 1968 23.527836707791806 1969 25.61399112129457 1970 25.802151120751986 1971 23.7019360301759 1972 21.75314059088464 1973 19.003536765915445 1974 29.6184053799196 1975 29.78662480128756 1976 28.5948860540703 1977 27.361321957630206 1978 27.808094013438346 1979 27.19737352342707 1980 30.464622925281642 1981 32.82226457592473 1982 34.17445575177652 1983 36.732274943789356 1984 37.32248539121668 1985 35.62752082560141 1987 25.489981877537847 1988 23.22072450668073 1990 25.91059165491651 1991 23.404309176002823 1992 25.242160027577633 1993 28.67135264504946 1994 31.073612725016748 1995 33.663429584506865 1996 35.323482630152185 1997 36.47584514318473 1998 35.218550519470206 1999 31.654183439448968 2000 20.947474392953566 2001 21.906612599265713 2002 21.52330895696547 2003 21.07623501353133 2004 22.199138656600102 2005 22.752718608950666 2006 27.329327199608827 2007 30.56656822340721 2008 31.34288212838321 2009 30.058849809334077 2010 32.35295863779699 2011 34.959973887777515 2012 37.74485152628785 2013 39.483691691345804 2014 42.384605697001376 2015 46.9053935998569 2016 47.05419780523529 2017 49.8054213986163 2018 49.56731775077608 2019 51.5551729249983 2020 54.3076483702713 2021 51.129378283891626 2022 43.95486599009295 2023 42.5442086062413