Year % of GDP 1975 98.67703034269726 1976 92.00360384363245 1977 89.71873788316182 1978 87.44324344186882 1979 81.00984762059824 1980 80.53400112405245 1981 80.1141538157492 1982 80.99327091933418 1983 82.49318171508706 1984 77.77777680528727 1985 77.87747327806966 1986 75.27640843783132 1987 76.14313365610967 1988 77.29345427685908 1989 75.50178898976459 1990 78.5616517583285 1991 84.16645107568249 1992 82.48412739699874 1993 76.34592601519626 1994 74.88152999059108 1995 74.27407221795623 1996 76.17341640120515 1997 77.30437334155617 1998 78.43423977938532 1999 77.41449701646016 2000 76.99006727808195 2001 77.5365202312959 2002 78.3696388249022 2003 78.80458577495499 2004 78.05342814555136 2005 78.08460437937255 2006 78.33038062832179 2007 80.37594439656183 2008 83.80654571148773 2009 82.47193795633669 2010 84.26999114696697 2011 84.83501547858994 2012 85.6296407167814 2013 85.44035685346611 2014 85.41688318901338 2015 83.60873316227297 2016 80.69171911624684 2017 79.69750264394601 2018 79.30572391954914 2019 79.15730949586927 2020 80.39733293079603 2021 76.60311068481039 2022 78.33111567123879 2023 79.07188960530716