Year % of GDP 1960 44.17979491997389 1961 42.22508750788639 1962 35.98602905403096 1963 40.77748797234041 1964 43.02250946385759 1965 37.95497889211681 1966 38.60339806437927 1967 37.710158909352536 1968 38.22474452956313 1969 37.89215897240512 1970 37.15284036081599 1971 38.7973533941604 1972 32.58449949448671 1973 34.87555330213136 1974 48.49559572959173 1975 51.78809401391728 1976 46.61643958266644 1977 45.75024359936216 1978 45.00896680995461 1979 44.42879988318 1980 49.28710379510469 1981 50.01981981430795 1982 44.29393815492568 1983 37.940335425196096 1984 34.353972393970146 1985 29.96591578875071 1986 22.507486948026706 1987 28.581991922415455 1988 33.935554298926526 1989 37.4408263492337 1990 28.30650054974803 1991 43.535094346914626 1992 40.84574349874252 1993 44.00658205960631 1994 42.145773371196285 1995 41.24115450408825 1996 41.351505901886114 1997 38.77580610795899 1998 35.78399558206362 1999 37.768750253213945 2000 43.58836351083684 2001 41.29326116555772 2002 44.27522728190919 2003 45.449761133139134 2004 51.64889059687845 2005 56.04823927452363 2006 55.871960234606526 2007 54.6917802085792 2008 58.6628455164597 2009 47.51795283299546 2010 49.231619038743474 2011 46.92175855756212 2012 46.3973605448954 2013 47.87999440410454 2014 46.92538053972769 2015 41.000881107271155 2016 36.646633709970516 2017 42.402292899917605 2018 51.59044051204028 2019 48.78495192583909 2020 39.876903980195586 2021 46.98478926015265 2022 54.210951682221214 2023 53.31135532242869