Year % of GDP 1960 17.957660647309506 1961 20.435245407591538 1962 21.87548594978393 1963 21.32627169268956 1964 20.36708398980845 1965 19.799471467937966 1966 20.766718072561492 1967 23.45005490962896 1968 23.195510420855854 1969 23.296262383760098 1970 21.934875799354643 1971 21.037187446050478 1972 21.338845560250483 1973 20.688991470764513 1974 17.512589377602314 1975 17.262521600027757 1976 18.74950793446661 1977 21.06845859945462 1978 22.75552497278392 1979 21.080996283792576 1980 21.15810388467111 1981 21.493322180288363 1982 22.604746984232108 1983 29.706553069824043 1984 24.641449498358465 1985 25.41473472655758 1986 24.26571543332122 1987 24.154662628204093 1988 25.423151715929993 1989 28.582166735242886 1990 30.044962741844017 1991 30.519231649349216 1992 31.865021052927496 1993 37.41400333950815 1994 41.27704825080143 1995 45.40146816303753 1996 49.27716129674545 1997 54.275276347377186 1998 53.64684331440497 1999 57.05873787690474 2000 55.85324166269603 2001 56.44147245461871 2002 57.4145978774769 2003 55.21517360188805 2004 54.17609036526988 2005 52.078495202413755 2006 58.07852375590282 2007 57.92833854995636 2008 56.99872385895891 2009 59.41161890427266 2010 58.8129288699865 2011 57.384412601819136 2012 56.304990880559934 2013 66.83660253371433 2014 68.57019746174231 2015 70.91656388377106 2016 74.05651791892144 2017 75.41772137139806 2018 74.51518725242506 2019 76.59717596427363 2020 90.49053168425502 2021 90.36719080685556 2022 85.85591954033924