Year % of GDP 1960 52.72759488160473 1961 58.552779022893034 1962 54.08467338143832 1963 52.5591580963175 1964 57.65075914659832 1965 55.77473875327888 1966 55.17023836195635 1967 54.389845782364645 1968 57.13031270322114 1969 57.66291288135741 1970 58.880805922574055 1971 54.09914630520811 1972 54.45008009639656 1973 62.46956686177785 1974 71.07139256407268 1975 59.27312062009196 1976 62.80493769504625 1977 62.4574207609478 1978 58.83152367948463 1979 54.741727526165896 1980 59.95704864681838 1981 58.28577025060987 1982 59.86432722397834 1983 57.45676858263257 1984 61.41802934003287 1985 70.88345708819105 1986 59.061165936514726 1987 54.313914291070894 1988 47.27371746939082 1989 50.40271624406342 1990 47.87950667125138 1991 45.641566011273014 1992 46.866434707082746 1993 41.95274819591869 1994 56.04099080704259 1995 61.244640178182664 1996 40.6614899938949 1997 40.071903272960576 1998 38.72137453285728 1999 40.056186858204576 2000 38.425498277042934 2001 38.63053264190244 2002 43.61267765323176 2003 42.66471301501178 2004 49.48411369279894 2005 56.421541244422315 2006 56.55142713368044 2007 53.37952520707927 2008 53.62366085439104 2009 53.96494460832824 2010 55.12603109347003 2011 52.747458834996806 2012 60.30746885121482 2013 57.9276510507419 2014 49.278294194991986 2015 48.316048242748835 2016 40.193968039957596 2017 40.879911971465496 2018 39.099506489461376 2019 38.423133101328496 2020 36.461657786355076 2021 40.25021807493122 2022 48.9047518044585 2023 49.689785396200456