Year % of GDP 1960 56.21173762945916 1961 55.120430107526886 1962 47.11752786220872 1963 43.24545454545455 1964 37.9700647249191 1965 37.09822646657572 1966 28.99868247694335 1967 34.880319148936174 1968 38.4 1969 34.356821589205396 1970 39.23771580345286 1971 37.986399999999996 1972 34.584724689165185 1973 36.744930019994285 1974 53.86244635193134 1975 57.18644709445391 1976 61.26019000919399 1977 64.33754367105618 1978 57.310921566758786 1979 45.94266883991212 1980 53.69803043031831 1981 51.41574642689945 1982 39.12294825970781 1983 59.3008835131875 1984 25.74632707596438 1985 32.92404561460787 1986 33.282903755037715 1987 42.03096514745309 1988 36.82351911536954 1989 43.622653318412034 1990 35.693020219274246 1991 25.32111295065888 1992 53.31896178031486 1993 59.45796312078717 1994 64.86873083573488 1995 56.153852703278 1996 54.47864561193082 1997 57.47707540351723 1998 58.24591975023128 1999 67.37400752193899 2000 93.19966249884911 2001 91.62966139314484 2002 74.11374258114691 2003 72.50360843862468 2004 73.45673932388517 2005 75.84297210181286 2006 50.18425248924577 2007 49.364935693004334 2008 54.18177883876515 2009 53.30780167722511 2010 58.644021335594985 2011 72.76416991236249 2012 75.87523459173873 2013 49.90399540129873 2014 50.776404374055254 2015 48.1439403300814 2016 42.83455939098217 2017 43.840070992847764 2018 41.71984073845956 2019 42.55174732306787 2020 38.4063551254548 2021 35.656970948453285 2022 43.244741757041346 2023 38.736214769620744