Year % of GDP 1965 42.78039208286678 1966 42.10325392746332 1967 42.41019870452786 1968 41.159425224708876 1969 42.53554143266362 1970 43.70409425660643 1971 44.40737011317156 1972 43.05356726517192 1973 44.704474879696235 1974 43.142627894629115 1975 43.38088298757507 1976 40.331928611507514 1977 39.23389611541394 1978 39.63992997590813 1979 37.28754979904823 1980 39.246095105671984 1981 39.52029540322297 1982 39.71774797446142 1983 43.41869611682237 1984 44.41145857554985 1985 43.50686185342037 1986 43.3913619751395 1987 46.22586564382075 1988 44.68180994560019 1989 45.412099390021474 1990 45.75011000328395 1992 64.87830669074467 1993 68.10311759666956 1994 73.82550139548701 1995 76.75613711201657 1996 76.26320574188316 1997 73.36732141263343 1998 73.00221388008521 1999 82.0321139591813 2000 74.63664073674197 2001 76.63012097746245 2002 61.901576879704784 2003 70.90176367091586 2004 79.84545223261966 2005 85.42156964471422 2006 94.59489312607194 2007 93.64116484372417 2008 78.5671363098258 2009 79.60028160334669 2010 84.95198644396969 2011 76.44767100163853 2012 79.34955167389626 2013 75.68324460852622 2014 74.22333261492807 2015 66.78501392801248 2016 66.72569610542484 2017 69.09582176054816 2018 63.24586741010113 2019 62.19364759501613 2020 57.6305284343884 2021 51.57577306787991 2022 49.42140090632997