Year % of GDP 1963 68.26564158167902 1964 67.8072660657133 1965 67.93927792789383 1966 66.41796488277622 1967 67.38992335192097 1968 67.27144043646567 1969 66.27490312075011 1970 63.96506377343306 1971 69.95705676539004 1972 66.69961348582659 1973 66.50847419640253 1974 61.194080390112816 1975 65.1027448998337 1976 60.235597253334994 1977 62.018949688580335 1978 64.8220787777026 1979 64.69998133611232 1980 62.89332873653956 1981 48.26160613338434 1982 49.65810582078693 1983 57.834644942675695 1984 60.73180202418995 1985 54.803473895991914 1986 70.01765550313533 1987 76.4970775693623 1988 78.74531609438371 1989 81.81677855203588 1990 84.3787156513458 1991 83.8637478466926 1992 83.53043594405752 1993 81.13393274338677 1994 76.6913469969632 1995 70.08368168841102 1996 62.48793955634658 1997 62.162710135694354 1998 60.42038832315411 1999 84.59344670654937 2000 82.03103526817954 2001 78.4760654449733 2002 72.8245143495736 2003 74.72482826750759 2004 73.92230901103683 2005 71.01274896858504 2006 67.52852153598371 2007 66.70369262772522 2008 63.60480472189627 2009 69.52497741128602 2010 67.12236683695481 2011 66.42484018112413 2012 66.71919456609228 2013 64.93745862836396 2014 63.7410655678156 2015 67.5260107862306 2016 70.99247129481924 2017 73.4998566751117 2018 73.30607068092363 2019 71.1133395105954 2020 71.8358809603999 2021 72.73102604229288 2022 72.86166399313237 2023 80.31850459192856