Year % of GDP 1960 40.97236977145939 1961 41.13270536940804 1962 40.08213902020201 1963 39.89295185938807 1964 40.12437075752347 1965 41.083253978366265 1966 42.441369852294656 1967 42.11983989794591 1968 40.6953969924946 1969 43.74481422842309 1970 41.6524648286063 1971 41.45911584147626 1972 42.03186725535883 1973 44.55547586178529 1974 45.733900780097805 1975 48.57968540513416 1976 49.34073656246348 1977 49.27154472695505 1978 50.16847242465607 1979 51.13200381328241 1980 53.346692819419836 1981 53.01345687162643 1982 51.820514751283866 1983 52.55374961918744 1984 48.36600607368208 1985 47.762348641031956 1986 47.26165222091119 1987 46.92110417098467 1988 44.418851370152304 1989 44.39157688216148 1990 45.11812750718505 1991 44.68839032838613 1992 44.60205590308667 1993 44.28705250203283 1994 46.03408446609928 1995 47.807119772481244 1996 49.4611755952499 1997 50.18656050958129 1998 52.08548684338399 1999 49.51855445126035 2000 46.93938086275579 2001 52.69435732305735 2002 54.049920609360534 2003 56.09930667993576 2004 55.566664157783784 2005 54.43419448256825 2006 52.4424149459359 2007 51.90747807491566 2008 50.18952742090956 2009 54.70578423375078 2010 53.55842290324229 2011 51.50086632363485 2012 51.74221481020903 2013 52.018901581100465 2014 52.83419735435517 2015 57.606629586773764 2016 58.567451344755014 2017 58.0552249529581 2018 58.74764309688811 2019 59.43711535509429 2020 61.32117202740106 2021 58.4690686891987 2022 58.801741672777254 2023 59.72461518854847