Year % of GDP 1960 12.971769096490702 1961 12.38192784795721 1962 13.919496289633459 1963 12.983569051580698 1964 14.912239424027105 1965 13.197947656620531 1966 12.911163973423017 1967 12.861925609800965 1968 12.27703789927762 1969 11.93478459988398 1970 12.954884162037663 1971 12.639948479143962 1972 12.804453723034099 1973 14.130871136089922 1974 13.129120970146783 1975 14.25864851589362 1976 13.501223784613908 1977 14.00060289180171 1978 13.606769593938587 1979 14.288721779185018 1980 16.41235551065284 1981 14.887304900300608 1982 13.518938683134593 1983 13.573057673220282 1984 13.557275628726263 1985 15.222403872693688 1986 14.972763898845004 1987 15.457843989760889 1988 15.95331698359686 1989 15.117778833751952 1990 15.115086670208427 1991 16.02880663390486 1992 16.65859461196255 1993 17.53991819387197 1994 17.972358131291376 1995 17.87066952239203 1996 18.890142900623665 1997 19.12748241761203 1998 19.557565677822282 1999 18.294744189113345 2000 19.390228075946844 2001 22.152326399981906 2002 20.726661255396948 2003 19.057212728549587 2004 17.16246821797292 2005 18.224372786192976 2006 19.853539218775794 2007 20.18350392966907 2008 20.148877316512227 2009 23.01098505597963 2010 19.795366537844387 2011 21.435786532417065 2012 21.49139288883914 2013 19.974112895095434 2014 21.082331319407764 2015 20.05812647370368 2016 19.262225908654703 2017 21.22852508102295 2018 21.853558200255023 2019 24.111788361481445 2020 23.96737273745111 2021 21.976819389717367 2022 25.427124134404757 2023 26.721986484608163