Year % of GDP 1960 13.389645682592095 1961 13.911033004489944 1962 14.030383007458974 1963 12.948275025581218 1964 13.727621991172493 1965 13.500255004902781 1966 13.912615534923617 1967 14.361895455780463 1968 14.941012395936445 1969 13.206787615559918 1970 16.259836962238605 1971 15.91238484311269 1972 14.565098290728972 1973 15.72877744805328 1974 18.39108070971322 1975 14.402667171886662 1976 16.08392818656808 1977 15.354041503933665 1978 16.42274122132889 1979 17.778601041765725 1980 16.944906743021264 1981 15.10046021281591 1982 6.561971466472529 1983 16.418876600336727 1984 18.01780725092749 1985 11.90663510069528 1986 13.394104417129496 1987 15.449248275128566 1988 15.019143298804453 1989 13.781424506434226 1990 13.480208250905065 1991 11.951633062451325 1992 11.09074638927357 1993 13.323446113405025 1994 16.105602000140028 1995 21.929017547321536 1996 17.543509246210043 1997 18.543836083838773 1998 18.49162606216332 1999 18.318120771037062 2000 16.890096431930296 2001 14.665787544877146 2002 12.689940596443433 2003 24.63296690694812 2004 51.00885805671558 2005 47.97727418870402 2006 47.584441215848514 2007 44.50349385775561 2008 42.69450540932096 2009 35.13835287985247 2010 36.845605903367066 2011 38.87725693202411 2012 38.46805421623619 2013 33.56559166775298 2014 34.161362887521726 2015 30.0017608897127 2016 26.29503676470588 2017 33.872962484564425 2018 36.19068244858521 2019 36.74225343638259 2020 26.716149048775932 2021 38.750127251081196 2022 49.32013393263749 2023 43.504411655599085