Year % of GDP 1975 112.14808371489897 1976 83.56632545120185 1977 91.0432684031195 1978 96.66193983616714 1979 95.8812886176115 1980 97.78077095760375 1981 92.62042353636247 1982 92.21316163613486 1983 87.82841664323037 1984 89.5630438048927 1985 102.35935719435336 1986 95.58816322129758 1987 95.53229249723502 1988 89.48574358481345 1989 87.90899241603466 1990 98.96572344994428 1991 83.46206799990665 1992 72.6308207233457 1993 67.44352272134397 1994 62.959884025842975 1995 71.11939876815279 1996 77.83317379718332 1997 71.85016144428488 1998 78.29156186029029 1999 50.52848584033467 2000 52.817979027247894 2001 58.23143114983803 2002 73.51463383839335 2003 76.07262249759702 2004 76.18140665498233 2005 74.70957781801005 2006 66.48097459719544 2007 70.44140521305332 2008 68.66244614435017 2009 78.13886025949867 2010 73.18961042411529 2011 78.78380924679139 2012 78.04144152522903 2013 82.94042217210513 2014 74.92080958122531 2015 81.45140510451196 2016 84.94773533361234 2017 87.96748173594122 2018 87.59477360622661 2019 87.16544719360739 2020 85.53402288669515 2021 73.36746932719097