Year % of GDP 1960 9.82722735983295 1961 10.680633026566 1962 11.0120254066474 1963 11.0874316422498 1964 10.876519737093 1965 11.1936086786896 1966 10.3146463264042 1967 9.82022249385526 1968 8.91946355180961 1969 8.73277358785664 1970 8.58750980532908 1971 9.41376385370054 1972 10.3197056354368 1973 10.5527234677159 1974 9.19224456329309 1975 9.31933543780136 1976 8.49407207539135 1977 7.13359674027205 1978 6.08778798695608 1979 6.13360311060857 1980 8.95031624479363 1981 11.6347612717009 1982 11.5706334927974 1983 13.4170722208641 1984 12.0536520691504 1985 9.8086105935753 1986 8.478288173376 1987 7.49064976713593 1988 8.86295614679566 1989 8.28238804812434 1990 8.01727273669053 1991 6.97792993174603 1992 9.07959617883951 1993 11.1164859235556 1994 13.2835593787724 1995 15.8738764208443 1996 21.025323363273 1997 24.4097995545657 1998 28.1910496598723 1999 28.9773282546112 2000 26.3416775572587 2001 23.4478078840921 2002 22.2020482940237 2003 19.9857411626907 2004 17.9102399219746 2005 19.066421608863 2006 20.8131640208248 2007 24.6070736917389 2008 29.7639607500021 2009 30.0145290325562 2010 30.261687153432 2011 32.3092275000503 2012 34.0437468209084 2013 37.7199291764532 2014 40.8996268175973 2015 43.8679314540477 2016 42.8090253456419 2017 42.4146143080756 2018 43.9039424432995 2019 44.7242368945336 2020 55.3124099083207 2021 47.1261157121471 2022 45.5897474033429