Year % GDP 1960 17.65051395007342 1961 12.726008344923507 1962 14.10958904109589 1963 14.05579399141631 1964 14.701789264413522 1965 16.211699164345404 1966 17.005516154452323 1967 17.670454545454543 1968 17.822222222222223 1969 19.31392694063927 1970 18.013740457949567 1971 16.467216494792204 1972 18.163957108223798 1973 18.971153846085137 1974 17.935256151670917 1975 19.727582997205086 1976 20.566690961975706 1977 20.39799299431828 1978 17.45457993545515 1979 14.69281163380998 1980 13.588383741822124 1981 16.64666497911657 1982 18.482882522254627 1983 20.760402134361204 1984 17.846443394811136 1985 17.425880810930174 1986 19.654145612802054 1998 16.986149999164837 1999 17.768906232496025 2001 17.187808607976702 2002 15.260899164928174 2003 17.36506029698576 2004 21.963453749674656 2005 24.971266296922064 2006 30.044447807087582 2007 36.57723217772253 2008 41.267523435485266 2009 43.537916325513265 2010 43.63478511257323 2011 43.63345381506526 2012 44.98345027503919 2013 48.144790065443644 2014 51.66257836892463 2015 52.24295680964502 2016 51.623282185149954 2017 50.35327968622414 2018 48.59043049114429 2019 48.2071103000926 2020 52.75002351552309 2021 48.79214929604624