Year % GDP 1960 0.360076884455383 1961 0.8466184437807972 1962 0.8347453919857664 1963 2.7142937883445404 1964 3.0901831284093864 1965 3.451698946076164 1966 4.698722353265664 1967 5.446815739510655 1968 4.650164914080499 1969 3.2076105032869964 1970 1.698214474617656 1971 2.460417645807103 1972 3.251052849387765 1973 2.262260860994835 1974 2.2306801927304662 1975 4.488056868286402 1976 3.7870726847104796 1977 6.667882104689244 1978 8.686854111043193 1979 16.010397473825236 1980 19.360471060888607 1981 15.118199182191042 1982 6.589398960798761 1983 6.98532254821597 1984 6.115541966825531 1985 4.527086223813889 1986 5.674847807581577 1987 6.9081520833758 1988 6.091905251516257 1989 5.682411829522009 1990 6.276395104580128 1991 3.6223096601409788 1992 2.9906645936793 1993 2.9064621228717358 1994 3.3900287318680187 1995 4.0864713022828445 1996 10.629232129426752 1997 14.203475020514755 1998 13.55119319418105 1999 8.995825474527743 2000 7.885121325335119 2001 3.828097586481217 2002 5.582570761897882 2003 6.491602889410716 2004 9.169241692531696 2005 9.993287890839905 2006 7.990952666184061 2007 5.448628509335283 2008 5.399053321399648 2009 8.352726544976377 2010 9.548669759110858 2011 11.197411179309809 2012 10.594239643724944 2013 12.993980320637563 2014 14.378769785276745 2015 15.772645387747186 2016 16.87011160090767 2017 18.049965234205857 2018 18.26268494816128 2019 20.488705084469988 2020 27.582294652259144 2021 30.40804483754296 2022 24.855955032725994 2023 23.3468150372095