Year % of GDP 1960 78.15808050424388 1961 77.54303959155082 1962 71.37953701855794 1963 74.61002493660754 1964 77.94983013266507 1965 76.99518191846202 1966 79.59720627675458 1967 78.3773132112982 1968 77.37182667356996 1969 83.44059407618921 1970 89.93403403444445 1971 111.44046350100143 1972 113.99536590701818 1973 133.91833341618826 1974 247.3393389240737 1975 327.0404744513444 1976 356.69861806790885 1977 326.2941333436727 1978 270.5339597410799 1979 268.7592954055304 1980 347.2359671969203 1981 344.90966960603004 1982 275.6622475964676 1983 217.1145992065587 1984 180.39627429024583 1985 138.6185881304767 1986 131.98316070630736 1987 118.71112969652212 1988 96.93844880845151 1989 116.31836980080301 1990 64.17947392240397 1991 62.786152642799465 1992 61.99092407923499 1993 59.645172294160425 1994 55.86836542197756 1995 60.97579670527177 1996 60.55315647825509 1997 53.06564332838219 1998 47.609901394007416 1999 46.33311183914704 2000 48.56484494388618 2001 45.16288739599046 2002 42.594659506856516 2003 45.950726966081305 2004 47.84552679023334 2005 51.71473401728232 2006 50.13556121510873 2007 50.22226237115453 2008 54.00343208977667 2009 46.795006600687955 2010 50.73440636171602 2011 57.62152281328484 2012 59.52754958358016 2013 57.12422900628388 2014 54.06983249586294 2015 46.91609195550112 2016 45.39740327122673 2017 47.13416880930543 2018 49.60053385747058 2019 52.65143020309073 2020 52.44433764512901 2021 61.740952265845635 2022 65.94367090191938 2023 69.23225142111998