Year % of GDP 1966 76.90205699810006 1967 79.23759393232204 1968 82.60433819241983 1969 79.70231668437832 1970 66.92661771454796 1971 61.009896943231446 1972 74.37386148648648 1973 74.48021874999999 1974 93.94962172056132 1975 90.29367394957984 1976 97.15589100685182 1977 90.51864344903096 1978 80.89245396205358 1979 96.08298739909613 1980 81.29977086039307 1981 69.93718433110925 1982 68.03963166676067 1983 76.36499443093139 1984 84.01898080553808 1985 60.24994186244952 1986 74.87328632545116 1987 75.69354177344951 1988 73.49847161742922 1989 66.16914755671931 1990 69.06693820065396 1991 35.056658777583586 1992 38.50169566969372 1993 43.44135103349582 1994 33.088010876847775 1995 25.19084402644648 1996 32.89165591681678 1997 36.45941308235185 1998 29.632793823795474 1999 25.039153378446127 2000 25.928778031583132 2001 20.802703744382374 2002 30.78331556872767 2003 33.056922364382714 2004 25.678327552277274 2005 25.980317470597868 2006 25.61396465178617 2007 26.09980501157879 2008 21.514093301000557 2009 25.51473374591292 2010 22.87313940150388 2011 31.425268651492104 2012 35.759597569969834 2013 35.18440490435344 2014 41.644240815679574 2015 38.819407943266086 2016 29.70539350702572 2017 44.6538490625532 2018 48.90249724149986 2019 41.57454622778638 2020 35.48230484915885 2021 31.77505102610031 2022 33.745578174476556 2023 35.215117576851966