Year % of GDP 1970 86.26289679131156 1971 86.25413802075892 1972 86.25777957761525 1973 86.27363162249844 1974 86.30399390134701 1975 86.22493998467866 1976 86.21034801198677 1977 86.2759878697443 1978 86.35288967193449 1979 86.45580001728518 1980 85.82967340522252 1981 86.13738847946244 1982 86.60418638714455 1983 86.73739814555003 1984 86.97035601107716 1985 82.69903780460778 1986 87.6759646389455 1987 88.93817515433024 1988 87.40345836605823 1989 88.13514348097314 1990 84.90287499517846 1991 92.70560856681047 1992 95.85228718357267 1993 97.32352831467207 1994 95.22457735580116 1995 94.9031839900151 1996 86.10018207070674 1997 87.95269584691115 1998 90.7963424095195 1999 90.93690825038938 2000 90.31232962761815 2001 91.42615458424866 2002 92.47875411202571 2003 92.1794048666897 2004 90.46723974556971 2005 86.550496098544 2006 88.03293586991968 2007 87.11177925018642 2008 88.93733050687183 2009 87.0570231958763 2010 85.07803755751772 2011 88.28235976228439 2012 86.26898729850564 2013 86.7294032249702 2014 87.4949321873981 2015 87.93014800396635 2016 87.74394453792414 2017 86.82337213807156 2018 86.0039669724161 2019 86.89846810715902 2020 89.47125246153301 2021 86.42581250542214 2022 92.18266604551037