Year % of GDP 1962 52.21238938053098 1963 44.44444444444444 1964 45.60315670800451 1965 45.54084436672496 1966 43.884892086330936 1967 40.438463208161494 1968 43.23992636530988 1969 44.59870673259795 1970 35.85557299843014 1971 40.915885310504144 1972 39.27408657904257 1973 42.269838015173264 1974 53.09764029016927 1975 49.8354633810362 1976 48.28746177370031 1977 43.61798936730686 1978 44.94279593418114 1979 45.88753760752574 1980 45.05146476642914 1981 46.963076923076926 1982 45.578378378378375 1983 49.42022471910113 1984 61.63871260199456 1985 54.037394698993225 1986 51.52493720846789 1987 53.31464379947229 1988 49.40184049079755 1989 39.692500784436774 1990 35.04877228388833 1991 33.28748280605227 1992 36.46759847522236 1993 28.901499797324686 1994 32.1798590965603 1995 34.97029702970297 1996 48.91948414081562 1997 48.889249229771366 1998 44.95927161711267 1999 51.730011440193216 2000 59.20979410127991 2001 53.341203516729315 2002 49.55942979188397 2003 61.48590602670224 2004 49.713544690899234 2005 58.916895669477874 2006 55.595189478860206 2007 57.376559935285755 2008 57.521447647258086 2009 53.2021545385859 2010 50.45980692684265 2011 53.41197984032826 2012 64.59902556989935 2013 58.619320250190285 2014 52.72825103333578 2015 52.39417913033435 2016 50.01636903190377 2017 50.8736087818265 2018 54.05665812424261 2019 52.85352967367905 2020 48.94193282351177 2021 52.13448332883664 2022 62.51455550565728