Year % of GDP 1966 46.32844089104192 1967 49.26101679477244 1968 56.58786608859378 1969 54.069100379729605 1970 53.09541683227077 1971 56.618729862644344 1972 58.49602416005359 1973 48.163854182041234 1974 46.16944699663269 1975 42.5766301799146 1976 44.713152806192255 1977 43.2343426982916 1978 47.92291470888432 1979 50.01483349402952 1980 37.802062868369354 1981 39.366800535475235 1982 40.9841947885519 1983 42.925985518905875 1984 42.3156146179402 1985 44.125573192239855 1986 43.33633151300996 1987 46.44282380396733 1988 48.514536478332424 1989 45.01214374225527 1990 50.96120583148011 1991 50.37549212598426 1992 55.09274399591211 1993 53.821927710843376 1994 55.519990755719896 1995 56.43821484637811 1996 62.43542280185107 1997 62.699502487562185 1998 60.01959054006354 1999 61.36533602829712 2000 65.25494361823827 2001 87.73363889343592 2002 99.52813455657493 2003 100.78157033805888 2004 104.92016257802293 2005 110.59621678230134 2006 105.517530431624 2007 115.07449960171783 2008 113.61676403549892 2009 122.54601458723471 2012 102.39137588866767 2013 104.63815219535333 2014 107.53209043755562 2015 113.46915003155489 2016 115.5107244299033 2017 113.35458965212946 2018 110.38561034788961 2019 108.5995956751886 2020 130.79590315379767 2021 133.96602318962175 2022 119.49187242727837 2023 110.1823369382479