Year % GDP 1960 18.586646743492558 1961 19.966943832826985 1962 21.408011192079 1963 20.782349902872035 1964 20.676981385375026 1965 20.76430091997209 1966 21.61644481026482 1967 23.200445340956364 1968 24.399624468472744 1969 26.415384602893706 1970 28.100583208531564 1971 29.2771541456713 1972 28.941040660203765 1973 27.363477334857084 1974 26.578326406050717 1975 27.02028757979327 1976 28.842064042130435 1977 19.337692318629948 1978 20.74655528628506 1979 21.029823702055428 1980 20.14414139580205 1981 20.251316141610733 1982 18.450402186662252 1983 20.518312248904156 1984 19.78021154168907 1985 16.680057339458497 1986 14.817971976065406 1987 16.686031564319002 1988 16.014117647876137 1989 76.92368127698593 1990 27.599239042707087 1991 26.85812724314826 1992 40.70540146837896 1993 53.18388291716822 1994 40.472349166664536 1995 32.05566054523986 1996 29.43693469055538 1997 30.685995433922326 1998 25.248456987354462 1999 23.535309400988474 2000 22.572295700296188 2001 19.778504350561974 2002 19.906685097199627 2003 19.411059819970305 2004 19.703406019168927 2005 21.68810599433817 2006 24.774122890559127 2007 28.499659935223203 2008 31.10353890546599 2009 33.05981137718479 2010 36.582155492636744 2011 40.069165204447415 2012 41.98485785163604 2013 43.35903460297321 2014 44.28383942884001 2015 43.027508163115236 2016 42.32612467721748 2017 42.324446117897885 2018 42.72711347814061 2019 44.352313376867656 2020 47.234818402822036 2021 45.16156053731337 2022 45.01909362533441 2023 45.07689506228777