Year % of GDP 1960 82.75862068965517 1961 76.70454545454545 1962 83.50515463917526 1963 82.40343347639485 1964 84.77611940298507 1965 79.23497267759562 1966 77.84615384615384 1967 79.84496124031007 1968 83.13937753721244 1969 83.76584188292094 1970 97.9245283018868 1971 83.4099396725079 1972 82.29220443985544 1973 64.97939964685109 1974 86.65746594248064 1975 84.59866009354063 1976 79.5603923770519 1977 81.27618400062762 1978 79.59737761232888 1979 80.29242207555718 1980 88.25213656674332 1981 82.43677042801556 1982 83.16840559718835 1983 83.66144987029277 1984 82.66813232212942 1985 82.96474412541365 1986 82.87189945746472 1987 83.2621339823729 1988 81.00828938015921 1989 82.13936003781697 1990 82.36337435689663 1991 82.04222343386338 1992 83.79300096660215 1993 84.79163955593458 1994 84.74357881114553 1995 84.69633779840417 1996 84.94826458588611 1997 85.94540824683531 1998 85.462616194817 1999 88.11581185928485 2000 88.86051939507189 2001 88.3722543459024 2002 85.71281639105098 2003 81.68805048878758 2004 79.78363407884895 2005 80.3707985681669 2006 81.91599230385745 2007 81.50341802135266 2008 81.59395247514456 2009 79.57121322785018 2010 79.60544263140903 2011 79.520424145744 2012 80.30651557589874 2013 80.52716162111115 2014 80.79948853976221 2015 80.66714790336688 2016 77.21799011884937 2017 78.5916155663549 2018 80.09469119188473 2019 79.84704353178661 2020 79.14325599401845 2021 74.58255063514633 2022 76.01181242171535 2023 79.48279888453317