Year % of GDP 1960 110.03406613162711 1961 109.97478237572984 1962 109.61167072446439 1963 109.6474422496752 1964 107.52201864675357 1965 105.64024390243904 1966 99.86449864498645 1967 100.71344486854778 1968 109.1578947368421 1969 91.53915391539154 1970 90.9354604786077 1971 77.97356828193833 1972 72.22659323367428 1973 72.23369725582768 1974 75.97980283722049 1975 78.29811536264992 1976 82.16383307573416 1977 84.94411571334648 1978 80.10021474588403 1979 73.90751272074229 1980 73.33090776787338 1981 78.41958820255982 1982 77.05372948662743 1983 71.09305128903061 1984 67.70739579777164 1985 61.94629764963814 1986 59.312545378119154 1987 57.811789665100775 1988 49.823193680466524 1989 50.80348592994343 1990 57.36952930583422 1991 60.28918232286799 1992 62.97282776437774 1993 63.33885730640094 1994 66.86023122802722 1995 69.48574827286453 1996 61.55545488957424 1997 63.634478769956026 1998 66.98231574787592 1999 60.118132279763735 2000 58.224774727488835 2001 57.941302130924136 2002 59.754474662947466 2003 60.58537731986574 2004 60.31861995970825 2005 57.50748540867454 2006 61.03849358511605 2007 62.54490943476496 2008 69.02405823651388 2009 80.11869739212618 2010 73.54932591342606 2011 68.8525647034638 2012 77.83174120044283 2013 77.6317733722497 2014 71.56378578045106 2015 77.63715616595277 2016 69.17428264682918 2017 70.92010070750639 2018 72.56570147254355 2019 75.89487591312638 2020 84.68650146886304 2021 74.8325002169456 2022 68.46573990384516 2023 71.88857380139898