Year % of GDP 1960 39.8432422099025 1961 38.555735638393664 1962 36.12709790812282 1963 36.885007278020375 1964 35.66450158673666 1965 35.56618819776715 1966 34.55230039199505 1967 36.23046875 1968 35.42316258351893 1969 33.795618933789434 1970 32.9599089089273 1971 33.384817614196514 1972 38.18585241132042 1973 42.16988574191414 1974 42.44468888561288 1975 36.697659095484745 1976 34.56237929702588 1977 32.4799755994059 1978 32.03930053721391 1979 30.453995069780454 1980 30.76426282512742 1981 34.790122080383526 1982 36.08987361522858 1983 36.3203209897183 1984 37.7044266254691 1985 38.17012938982455 1986 43.469222126630775 1987 74.06028971521937 1988 77.00025993265204 1989 83.54315530827238 1990 84.96019802719951 1991 82.06726896164305 1992 56.46250204561346 1993 56.14298592409013 1994 57.40221364580593 1995 60.4050032576349 1996 64.74786069782954 1997 77.56179168349232 1998 89.49655533644933 1999 89.42399122739751 2000 94.12910446676453 2001 98.37959751687193 2002 99.36505351931572 2003 103.30063401290914 2004 107.93097425824318 2005 116.19254062022564 2006 125.97229147617112 2007 139.03350754902283 2008 158.75395331325302 2009 163.2394034606173 2010 163.4471125368825 2011 151.14832961383925 2012 147.76817823104017 2013 145.14535011496267 2014 135.30282803576617 2015 134.0908272635199 2016 140.27545069527955 2017 145.28677798895743 2018 148.0237457162185 2019 140.6701490339184 2020 163.83123412764792 2021 165.6254008727369 2022 163.95327817728867 2023 148.86892831385694