Year % of GDP 1963 68.26564158167912 1964 67.80726606571335 1965 67.93927792789391 1966 66.4179648827763 1967 67.38992335192103 1968 67.27144043646572 1969 66.27490312075017 1970 63.965063773433116 1971 69.9570567653901 1972 66.69961348582665 1973 66.50847419640257 1974 61.19408039011286 1975 65.10274489983374 1976 60.235597253335015 1977 62.01894968858037 1978 64.82207877770261 1979 64.69998133611233 1980 62.89332873653959 1981 48.261606133384355 1982 49.65810582078695 1983 57.83464494267574 1984 60.731802024189975 1985 54.80347389599195 1986 70.01765550313539 1987 76.49707756936238 1988 78.74531609438375 1989 81.81677855203591 1990 84.37871565134584 1991 83.86374784669265 1992 83.53043594405753 1993 81.13393274338674 1994 76.6913469969632 1995 70.08368168841102 1996 62.4879395563466 1997 62.162710135694354 1998 60.42038832315411 1999 84.59344670654939 2000 82.03103526817958 2001 78.4760654449733 2002 72.82451434957366 2003 74.72482826750765 2004 73.92230901103687 2005 71.0127489685851 2006 67.52852153598371 2007 66.70369262772522 2008 63.60480472189629 2009 69.52497741128605 2010 67.12236683695482 2011 66.42484018112414 2012 66.71919456609228 2013 64.93745862836396 2014 63.74106556781561 2015 67.5260107862306 2016 70.99247129481925 2017 73.49985667511173 2018 73.30607068092361 2019 71.11333951059538 2020 71.83588096039996 2021 72.73102604229288 2022 72.86166399313238 2023 80.31850459192859