Year % GDP 1960 0.822481151473612 1961 1.0043942247332078 1962 1.4063435068821066 1963 1.0620643876535016 1964 1.1380652890086853 1965 3.0068965517241377 1966 4.449588477366255 1967 4.159887138490477 1968 5.606528835690969 1969 7.428600080224629 1970 7.850448095593726 1971 10.254919340542457 1972 13.792090772567997 1973 23.6087158808933 1974 9.437205404839217 1975 12.337768421052631 1976 34.13845612182026 1977 47.22263714768383 1978 47.48426283821093 1979 55.62468893748586 1980 68.16644562334217 1981 72.60063072013968 1982 129.0545643153527 1983 151.1026566757493 1984 184.97798045832948 1985 212.71092307692308 1986 250.55646315928405 1987 205.19472790806537 1988 272.6972033034607 1989 261.1801410172395 1990 227.0650454030659 1991 193.05499153107837 1992 240.49855137587195 1993 191.7560398484541 1994 149.82566060977172 1995 136.81643356777244 1996 85.46738324886968 1997 63.02480372483392 1998 56.604372890835954 1999 41.48776416755284 2000 39.4460386913318 2001 26.97259028078661 2002 27.684227991983985 2003 33.7772319066526 2004 41.39748825093852 2005 37.9413151741037 2006 12.60238193673745 2007 9.298810097846012 2008 8.558180987977838 2009 6.76969474611895 2010 6.532080295250507 2011 7.994040673185881 2012 5.815125438613268 2013 6.9496213184037705 2014 7.982046339354951 2015 10.706122151068072 2016 12.614641125150566 2017 11.864940665966683 2018 14.6704905111255 2019 15.76871098038803 2020 21.10848901976845 2021 19.20334644301167 2022 11.82969266732947 2023 13.575288182265203