Year % GDP 1960 3.9965074405074277 1961 5.657983538174937 1962 8.171401253228877 1963 10.00223090650531 1964 10.910247684231077 1965 10.361930294906166 1966 10.840890354492991 1967 12.317462376751427 1968 13.62392026578073 1969 15.03328102170031 1970 14.79476549622896 1971 13.755783828007818 1972 15.348040265581494 1973 15.58999063816508 1974 15.984257602862254 1975 18.010189228529843 1976 18.442487487014827 1977 20.45391955999357 1978 25.016411517631 1979 25.018693364257693 1980 21.939272516258786 1981 24.44001101290923 1982 23.29862600403251 1983 27.093662019192788 1984 25.195437603290337 1985 24.878293988652704 1986 23.812762295866296 1987 24.578423676672266 1988 22.985450357077255 1989 23.82795147940912 1990 19.519724660060756 1991 18.22865041910531 1992 19.271772308477818 1993 20.18315745907753 1994 19.907229806544596 1995 22.25438111332208 1996 20.320267955100864 1997 22.97556090899918 1998 19.088751449281325 1999 16.647140138284545 2000 18.6463248529393 2001 16.485658931582464 2002 16.68602629923808 2003 15.445403464302105 2004 13.539488702148134 2005 14.280561521433452 2006 13.43262392401513 2007 13.307634532811916 2008 12.267002557664759 2009 10.772484254018169 2010 20.755447169722423 2011 23.668911891583548 2012 26.93645032323594 2013 29.721266121027373 2014 31.314337649665784 2015 31.96116009273559 2016 34.42773405022494 2017 36.23031444329482 2018 39.98055379165906 2019 41.09283735343425 2020 48.82440591695635 2021 49.18868876957497 2022 49.25804649391402 2023 22.209426533597803