Year % of GDP 1965 87.2442236704188 1966 88.54032188656511 1967 88.24830977258759 1968 90.21548781735385 1969 89.49494949494948 1970 86.46682907884052 1971 86.38923549050688 1972 84.86690089576805 1973 84.74403045094016 1974 85.78769179052512 1975 83.04778448040547 1976 81.6534058767242 1977 75.8923601836948 1978 83.18904653512193 1979 82.08474558801566 1980 85.80957777394201 1981 92.66495445915545 1982 92.47151622132466 1983 93.36562961609228 1984 94.82194719510704 1985 96.71717895995667 1986 91.12662816764762 1987 94.74856000908328 1988 93.68258995484358 1989 95.1251645818997 1990 98.80875082833005 1991 97.846398970486 1992 97.57644206548825 1993 95.82505297840392 1994 94.94508153258126 1995 95.30752990005958 1996 97.64491779636411 1997 96.43021621273607 1998 93.44806228448022 1999 94.89620218434683 2000 97.38648799686739 2001 98.15808441997667 2002 97.82824094170473 2003 97.9609128802785 2004 99.82910219914214 2005 100.57803782827594 2006 101.50076031772718 2007 105.68695166576043 2008 107.01210715137526 2009 104.11416676419556 2010 102.97231340985866 2011 103.52315988440024 2012 102.79695036273475 2013 103.98204534954363 2014 102.60145962528111 2015 101.57097973226658 2016 99.93439825591128 2017 99.56812050350712 2018 99.39337108511059 2019 97.78536178153159 2020 100.1943326141328 2021 100.92720690669121 2022 101.61584073485443 2023 99.39127965328868