Year % of GDP 1960 68.42694831172987 1961 67.42033383915023 1962 67.58915834522111 1963 66.20662969173223 1964 67.52927400468384 1965 66.70594536689876 1966 66.7520441335829 1967 65.24201398106362 1968 66.80019620667103 1969 67.27735368956743 1970 69.08814990762734 1971 70.83134257047301 1972 70.0095510983763 1973 66.62045661309189 1974 64.72638054261637 1975 69.99369681689252 1976 70.6536623536316 1977 70.17454840673838 1978 69.73215081558071 1979 68.54370761115298 1980 66.30670476901646 1981 69.95314354225033 1982 73.06381062652773 1983 73.8703688153684 1984 74.98782016979881 1985 74.48054072491107 1986 75.93396890548748 1987 78.1612821165098 1988 78.44010694282282 1989 77.69614848532966 1990 81.82609842178047 1991 82.32710130176247 1992 82.98176421606172 1993 81.93669731315416 1994 82.65441212519372 1995 81.22727988056374 1996 81.96445472598428 1997 82.79300546291559 1998 82.67532170775041 1999 82.85758258761292 2000 82.1910635627812 2001 81.93517958843131 2002 79.4620341461832 2003 78.76935096681996 2004 80.67444366958914 2005 79.74202822464441 2006 79.42584381268803 2007 79.35449621219209 2008 80.10972979844229 2009 79.79867668442327 2010 80.36355307322755 2011 81.12791934705784 2012 83.12207232601507 2013 82.94770789237991 2014 83.01037272735695 2015 82.66619531606875 2016 82.58863062252743 2017 82.24504790314593 2018 83.32088835444826 2019 83.67294421959251 2020 83.09460590687105 2021 81.17064043264764 2022 82.65304490962905 2023 84.43698008986433