Year % of GDP 1970 42.77102548370462 1971 41.81661767374472 1972 41.07716073983337 1973 46.11215016602731 1974 52.37771954590972 1975 45.60771211115519 1976 48.26137556805068 1977 48.17027252163953 1978 46.55095975853092 1979 51.65053204311232 1980 52.93816730018751 1981 56.15783008791598 1982 59.822037740094835 1983 59.99993593109401 1984 63.818383347390785 1985 61.422658672794206 1986 55.04397470129989 1987 54.05133685741406 1988 57.01486334938656 1989 61.370183744359686 1990 59.854160118925215 1991 58.3604828351158 1992 56.260357169896565 1993 52.90499583927913 1994 54.807340688189434 1995 56.26419610326615 1996 58.02038480151162 1997 60.90235897573197 1998 60.53477761088934 1999 60.60693102486261 2000 69.68273990897758 2001 67.96488091432497 2002 65.2538517924041 2003 63.67904432500404 2004 66.0121279012141 2005 70.24622174858791 2006 72.76251224429228 2007 74.16664217247654 2008 80.20782781524358 2009 66.57203682366986 2010 74.14760859514 2011 80.7963607521708 2012 80.34153972282493 2013 78.52649664019548 2014 78.98220684545262 2015 76.38726435764315 2016 78.23541051042665 2017 82.14342609966833 2018 83.41515763041821 2019 81.76903301229515 2020 76.66716898078583 2021 86.13759523458985 2022 97.33090322379255 2023 87.6137957502571