Year % of GDP 1967 88.65979381443299 1968 44.5997458703939 1969 37.3 1970 45.97378277153558 1971 66.34692246203038 1972 84.375 1973 87.36717827626919 1974 74.03693931398418 1975 83.14004185860837 1976 83.63678615854349 1977 84.98095849377286 1978 90.51239402932974 1979 79.65101977510663 1980 75.00121000919607 1981 73.36178864269179 1982 84.60565706270955 1983 84.41549269737921 1984 87.29199842462832 1985 87.29419506624019 1986 101.77645202214491 1987 80.16247852974891 1988 82.08405024034734 1989 75.05272505272505 1990 80.36902668654989 1991 91.6758392955421 1992 90.83105328014369 1993 95.0037471896078 1994 91.78628228615143 1995 91.52079290007725 1996 85.95577345385833 1997 88.55406847852862 1998 107.8159933332512 1999 89.50270710568982 2000 72.21737069444501 2001 77.63411151816972 2002 78.81610115118876 2003 83.04130163004302 2004 87.49199770846381 2005 72.7824167194083 2006 75.49176131804711 2007 83.50750462784539 2008 78.70142284744867 2009 84.01149470868174 2010 65.76510364145658 2011 73.80746229587419 2012 76.62837301055977 2013 80.48258551086744 2014 79.39864432648389 2015 97.07344957590296 2016 100.22466853601966 2017 97.52230663827542 2018 88.03697703501592 2019 87.4920350035736 2020 97.7637977659727 2021 88.86319649166593