Year % of GDP 1960 27.175165501644837 1961 25.448130904442362 1962 25.209863588667364 1963 30.218561925879 1964 33.477025131015715 1965 36.397779510123144 1966 38.07435104623571 1967 35.72067423460613 1968 35.15057435579013 1969 35.23376677356691 1970 36.34978991596638 1971 35.98347440548166 1972 37.44348736496454 1973 41.08671800222957 1974 48.072119186212845 1975 45.25631531309141 1976 49.155840416198636 1977 50.712526203356404 1978 48.738180781531284 1979 47.19960457799656 1980 47.10548694581593 1981 40.69125736771685 1982 33.474818176258516 1983 27.546959003449327 1984 28.15311480302941 1985 24.932245591930567 1986 30.644019253415717 1987 38.14296342708968 1988 38.039913985103354 1989 39.78154615050747 1990 45.86948547034582 1991 39.52025622317773 1992 45.36224906731065 1993 43.77892815258681 1994 42.37089269720214 1995 44.68943034225155 1996 40.39295295730098 1997 41.551951156959184 1998 44.423739963255386 1999 46.36050685442951 2000 49.14558790495367 2001 70.66903317694758 2002 67.10481152446445 2003 67.00233918624245 2004 70.21487235818718 2005 67.10369960820373 2006 67.91192373966165 2007 69.00136431017627 2008 65.17873052131034 2009 58.04068697386732 2010 63.12519257462218 2011 65.0470510420457 2012 61.95941933520418 2013 56.68522075244717 2014 55.083279281257234 2015 49.89345332248262 2016 46.3727375188895 2017 46.0694204013621 2018 47.01168207139497 2019 45.516742749181475 2020 41.143028003005696 2021 49.491532191391045 2022 54.669957138484 2023 50.128640697138415