Year % GDP 1965 14.772175536881418 1966 15.828085106382977 1967 16.34618794326241 1968 19.12125748502994 1969 17.415064102564102 1970 19.095446584938706 1971 18.546242774566473 1972 17.022017045454547 1973 19.126410835214447 1974 20.814363494944256 1975 26.524202798807067 1976 31.248942172073342 1977 28.57213209733488 1978 39.4514019866717 1979 45.29241730279898 1980 46.49703837239248 1981 47.70923650421096 1982 51.08690382401066 1983 55.595880443300125 1984 59.35644342043253 1985 60.74835075611489 1986 57.853380941754075 1987 59.240565006341015 1988 62.45288559754852 1989 64.66101834673263 1990 62.27525261671073 1991 62.36193373901284 1992 55.895690228229554 1993 60.65799093811142 1994 64.50129667454615 1995 68.86251511230832 1996 69.36318104080136 1997 69.99102641465362 1998 69.12631466362437 1999 71.38786494297631 2000 72.08740227049194 2001 75.70839291607085 2002 72.73962319693848 2003 70.80223276661087 2004 74.69885921220137 2005 88.09189298198442 2006 91.76859883470408 2007 91.63205921871523 2008 78.43456367272356 2009 73.3197634332712 2010 71.25475882404574 2011 71.82594793408055 2012 71.28902891679517 2013 70.52722512409478 2014 66.66394155222393 2015 66.71117103170657 2016 70.95308035614669 2017 74.49296984376426 2018 75.62121457285573 2019 76.90014129997469 2020 83.13653179795826 2021 81.96296220692528 2022 84.4264807995962 2023 82.2577063015558