Year % of GDP 1970 96.37510687567821 1971 90.42946714523751 1972 88.59458079020095 1973 89.90127026852662 1974 116.52614472803748 1975 101.80375884311037 1976 89.2933465730679 1977 89.27630422665541 1978 78.93537064042187 1979 104.60106281066426 1980 107.97145687663064 1981 110.15515979381443 1982 111.82818073367133 1983 107.16412065160274 1984 116.77195866632731 1985 113.83552548571427 1986 102.81645911047346 1987 108.33253622354253 1988 101.26777566539924 1989 87.86836803001324 1990 88.02944062797336 1991 73.68420550599815 1992 76.01770051077415 1993 71.07311711576847 1994 64.42072047514849 1995 66.58652642846597 1996 69.97821336405529 1997 64.35640036717977 1998 57.746257339390006 1999 60.624533063085885 2000 59.7364284953087 2001 54.50340336283187 2002 59.01790530877573 2003 51.771927146835985 2004 50.864203971168735 2005 53.78952186494307 2006 52.45622994612204 2007 52.80442863324978 2008 55.30007803338906 2009 43.55793371575191 2010 47.45987427191363 2011 52.37549747781378 2012 51.1940458174842 2013 55.7552907191883 2014 50.17477237790734 2015 42.935233028821564 2016 48.35362117462426 2017 47.552023262113025 2018 50.0035646166842 2019 60.454207839763086 2020 57.511071591128825 2021 57.728985514085295