Year % of GDP 1960 89.10151142853711 1961 88.24992657781453 1962 104.97934437139149 1963 98.93044248420406 1964 100.46756588094048 1965 94.87893041488601 1966 94.88724286083111 1967 98.40909296038767 1968 100.44803168805345 1969 100.70557970549405 1970 100.42016350936787 1971 102.42121083071008 1972 101.76595218184232 1973 96.00661875869365 1974 101.37858834548885 1975 99.5459739287307 1976 102.06870729763071 1977 100.566730454775 1978 101.45267615531553 1979 103.7259303613385 1980 101.23274772710187 1981 102.53670076117733 1982 104.51167711542048 1983 104.60901559389177 1984 104.74148311822218 1985 100.27290584355345 1986 101.97082274565419 1987 100.50121953467215 1988 101.58835810595681 1989 96.53165833998297 1990 98.76112689864404 1991 99.23680456490727 1992 97.51675146670894 1993 98.59277652726968 1994 99.64860694206219 1995 101.92670992225408 1996 102.17517210961446 1997 102.60891010020359 1998 102.37758426374633 1999 101.85236994707603 2000 102.26366534803513 2001 102.19286368220403 2002 99.15717685947585 2003 97.77881731160791 2004 96.58672944977509 2005 96.59913668026422 2006 97.293067259802 2007 98.63726116012961 2008 100.18956838845689 2009 100.40323333051036 2010 101.04100855746508 2011 100.76937981419356 2012 101.35919546145603 2013 102.30149602775442 2014 102.66152017502132 2015 101.15324309552692 2016 99.60032400123266 2017 99.28179863454125 2018 99.60620438252171 2019 100.6444194804504 2020 99.39497453150278 2021 99.43747001323325 2022 99.5545359694656 2023 97.63338774964507