Year % of GDP 1960 20.347187912488668 1961 17.72730420331002 1962 22.817900345622117 1963 24.440436575473534 1964 24.792934871071125 1965 24.639688940092167 1966 25.14258360990554 1967 26.481236468607168 1968 31.72065987599646 1969 34.158456734159365 1970 33.3440144664287 1971 37.60503742981909 1972 37.837328886109376 1973 39.09878481307052 1974 41.43539273805113 1975 37.811222804615554 1976 38.553702661092665 1977 39.36455469534423 1978 36.4129063944746 1979 36.12788279552305 1980 42.66478808321636 1981 45.34236559950253 1982 56.04811385358648 1983 60.156765713024576 1984 51.12027677769465 1985 54.404382124688176 1986 62.11324296078512 1987 61.09185115687941 1988 72.64804318649995 1989 66.42042607662715 1990 61.95184869630057 1991 60.521600567840615 1992 57.273658805276625 1993 44.47974536184259 1994 43.028189664251705 1995 42.98066476889266 1996 44.30473260025213 1997 47.593301591464666 1998 47.80831766156452 1999 48.30656806404943 2000 40.28459088220021 2001 46.53946723162372 2002 47.83975390761972 2003 45.89214100751134 2004 46.66828193832599 2005 44.516881629528925 2006 45.897239065910526 2007 46.588821767957796 2008 43.49840462221438 2009 44.76194297096545 2010 43.675982862312964 2011 42.54203652448372 2012 43.659295760071714 2013 45.19743962695239 2014 44.81108526282133 2015 47.208520031307295 2016 50.46876464213689 2017 52.17596546162029 2018 53.59700513970742 2019 56.46375703182049 2020 71.77673722117942 2021 72.48213666135844 2022 66.27350345206814 2023 64.94920652270278