Year % of GDP 1960 67.24677231610092 1961 67.79387740841072 1962 66.7549289015335 1963 63.03194084285689 1964 72.63107277621899 1965 62.16738261175707 1966 61.96873797716261 1967 58.715155322283316 1968 67.77146068487006 1969 60.48197464928864 1970 64.69580778272528 1971 59.65701086688044 1972 70.60708606134001 1973 75.44168475951732 1974 92.7012292372172 1975 93.56742001548277 1976 87.59512198016637 1977 90.56897020721199 1978 80.1717854323127 1979 77.80378999291312 1980 90.66910910655875 1981 77.30381942130569 1982 75.76009641220949 1983 73.03454449178437 1984 79.93819182501673 1985 87.93233467503383 1986 90.24676912250682 1987 98.46947701064663 1988 104.2411855772175 1989 104.50805402788328 1990 104.56591764088796 1991 95.08334041406722 1992 89.574314433472 1993 91.131680302789 1994 90.87503519497271 1995 85.81737990785778 1996 91.28660819679808 1997 89.09561758358576 1998 87.98304943842844 1999 86.3433255022026 2000 77.23055671300455 2001 77.31370291115945 2002 80.70935781690439 2003 72.2831405388595 2004 71.45193930587837 2005 80.59477793488593 2006 84.73695295553462 2007 75.23787712598595 2008 70.41790628452019 2009 62.13273612196494 2010 66.4456098741058 2011 66.97102901281427 2012 68.58521061703608 2013 67.24166100829069 2014 66.5742197142008 2015 62.06229174981469 2016 55.6924997457665 2017 55.39064866165744 2018 54.47316528246344 2019 54.161901283127776 2020 52.67307092792186 2021 61.77973296124816 2022 69.59324269425099 2023 59.6230055637561