Year	% of GDP
1960	6.961362537850301
1961	5.835514199910634
1962	5.044498679419996
1963	6.758229906234544
1964	7.070196365676009
1965	6.500634035543508
1966	8.532813240189446
1967	9.264742034884081
1968	10.319321522383735
1969	10.783454691647913
1970	9.91271736606304
1971	11.219473353015594
1972	8.819759241210342
1973	9.097383528109885
1974	8.660183992677288
1975	8.137158291908731
1976	8.134726113884009
1977	8.078257039212387
1978	9.586574396462105
1979	16.09393070545026
1980	46.58965819094089
1981	35.68788595518403
1982	26.348053595617287
1983	25.999142135896076
1984	26.821636135076815
1985	18.763905588081066
1986	20.505581379419365
1987	25.000705361786522
1988	17.601036504026858
1989	40.748830895578365
1990	35.96231421463683
1991	30.674709254391836
1992	36.09386686391201
1993	37.875124945951534
1994	32.87287106657059
1995	8.870919191300729
1996	9.526116187319575
1997	10.151913302336919
1998	12.246530942061257
1999	12.29334530109772
2000	11.930546407193244
2001	14.509217337067126
2002	10.970243140894539
2003	13.724565685691466
2004	21.151025115403346
2005	19.327112696774197
2006	20.311268004062075
2007	26.517931339602757
2008	38.74609621571393
2009	37.221895702094805
2010	27.02738973137147
2011	23.351166728000923
2012	20.1689187861962
2013	16.51291325061091
2014	16.49068964680322
2015	15.991887927876139
2016	16.365993389572434
2017	15.806376897694289
2018	20.702975241021807
2019	22.68404812907761
2020	17.715325109922812
2021	15.09780876218283
2022	20.6658491429326
2023	21.322664396381665