Year % of GDP 1970 58.8426099256729 1971 59.57360976565317 1972 56.55032233372458 1973 65.33143876179189 1974 61.81504594042385 1975 67.19622489280961 1976 68.0117496886318 1977 71.19336640400557 1978 86.884715636603 1979 80.04232787183909 1980 80.82847292045507 1981 80.17228152244921 1982 69.99290289905765 1983 64.2295389092815 1984 71.03074335090253 1985 76.49676207249594 1986 67.03700271890347 1987 69.77580029823265 1988 60.90793639877307 1989 63.5938956697766 1990 61.562630286588 1991 56.30882184847758 1992 55.49898964642256 1993 60.65346753601021 1994 60.425913172352466 1995 60.02232174770727 1996 58.85461667712758 1997 58.3597002936178 1998 57.728005643220456 1999 65.69298073050912 2000 69.30136194828526 2001 63.1227642159304 2002 66.52554788916514 2003 67.71084615124407 2004 75.65373374641845 2005 79.1329572348899 2006 79.08896424608012 2007 79.61465422847273 2008 76.09772306730608 2009 62.597762552439164 2010 66.44032352763229 2011 69.65640341784723 2012 70.73576046810321 2013 64.64420847622821 2014 62.16371876260134 2015 59.212300114542636 2016 58.043986549886725 2017 56.56038392997623 2018 58.893960282761995 2019 56.26953447995581 2020 50.96080098457128 2021 55.194922287876565 2022 60.50435556344678 2023 57.99575953228698