Year % of GDP 1960 26.282800380209082 1961 25.799129386821466 1962 25.194469312636485 1963 25.434007914788662 1964 25.798817328569534 1965 26.296577987633114 1966 26.647521716654023 1967 26.25537699740548 1968 27.33324617348326 1969 29.15777544928866 1970 30.379679982031018 1971 30.298337967324937 1972 30.554888030988533 1973 32.63743323336389 1974 38.92721533472383 1975 35.290801406063856 1976 38.41642234839435 1977 38.43841681398512 1978 37.21145753438724 1979 39.35840831699086 1980 40.660374049154186 1981 42.54933166870861 1982 41.96849793298607 1983 41.28638442179046 1984 43.899488298811576 1985 44.622589856981136 1986 38.7883374483805 1987 38.172048318241295 1988 38.5725200555476 1989 40.84271761250719 1990 39.97009606333079 1991 38.81586106254414 1992 37.48892579419613 1993 36.78201415583298 1994 39.63425802015048 1995 42.2065554486755 1996 42.72900920829148 1997 45.953905553769886 1998 47.50101161326146 1999 51.26361163184824 2000 59.09389078396501 2001 58.17275160932803 2002 56.072892353454755 2003 55.144441320454995 2004 57.4116535427557 2005 60.17912554132548 2006 63.7907906891066 2007 65.20626287654423 2008 66.2190337384196 2009 55.59321659803535 2010 63.604013811501055 2011 68.92050253448859 2012 70.09945875779015 2013 68.86700336847359 2014 68.26901216885972 2015 68.29043741675088 2016 66.78922160751104 2017 69.62747027246981 2018 71.08570402220568 2019 70.03964584649238 2020 66.54304655755932 2021 73.44478699887993 2022 85.3044642392677 2023 75.20886641693694