Year % of GDP 1960 29.860313179937904 1961 39.07957523819782 1962 40.30810883221972 1963 41.842027919732836 1964 46.41654072258048 1965 37.790815100985746 1966 37.53264751958225 1967 35.90377641215724 1968 36.411123437499995 1969 39.64092360746271 1970 26.191579403562486 1971 31.650547979700917 1972 33.77810793596662 1973 42.753343220354246 1974 46.921223572987195 1975 36.94536068498767 1976 31.386775124756642 1977 79.4767423255814 1978 82.00609272171255 1979 99.97776133555926 1980 121.88456287411339 1981 93.16739528472978 1982 93.99883293600357 1983 96.1143266019528 1984 75.75217525902366 1985 25.65757873754153 1986 36.90286261944251 1987 37.56403097967077 1988 26.665639300462544 1989 48.6201733615383 1990 42.26333246994886 2013 77.16821464216551 2014 76.510639043839 2015 71.94355002424501 2016 71.18798923831304 2017 68.08152311632986 2018 75.3906733676512 2019 69.5721864565601 2020 76.00927092320006 2021 82.08391909805593 2022 95.83957495177448 2023 94.57531897779494