Year % of GDP 1960 53.786176288757034 1961 51.20023094904336 1962 52.074782186059906 1963 51.77168830069178 1964 56.23927411674975 1965 51.74047494239631 1966 50.6036162879755 1967 50.086483642049565 1968 55.72782728077945 1969 57.92288304623754 1970 61.72046580560959 1971 57.86233484092327 1972 54.87570981863665 1973 55.98353392639107 1974 64.83876435716932 1975 65.8289699980376 1976 52.0221748265159 1977 50.09642115209766 1978 65.68280302662805 1979 74.67843442297357 1980 79.64530975676186 1981 82.14088714692194 1982 65.21944452218492 1983 61.117427542220625 1984 77.98397563677888 1985 79.84805467229539 1986 56.66988208321227 1987 59.141943105659124 1988 60.96632693377709 1989 64.7001182503345 1990 67.20078754581803 1991 69.50452202914015 1992 77.01967865089102 1993 58.87785742178866 1994 63.01628342544192 1995 64.53799585763234 1996 58.80529559495442 1997 53.737828317512836 1998 49.46970782010885 1999 46.57334295813616 2000 51.037946622094665 2001 49.811153566961366 2002 47.81351435517634 2003 51.10159075241961 2004 52.50295785347083 2005 55.77263304254323 2006 63.687225001019975 2007 71.46317046064279 2008 79.53665945276126 2009 52.63827439156608 2010 49.56677328460479 2011 55.81300737050475 2012 54.31858569771849 2013 54.57717353829631 2014 52.46338439992658 2015 44.090688655202186 2016 42.40220932710572 2017 48.132940482368305 2018 51.69478782134033 2019 50.7871806724023 2020 43.554997606826475 2021 50.84056760058618 2022 56.33486265513646 2023 51.30421501121638