Year	% of GDP
1960	22.904520503972282
1961	28.10353652561095
1962	25.74692895784225
1963	23.519865907754063
1964	24.72276998189355
1965	30.124219647059412
1966	28.69635519217572
1967	28.79128766656586
1968	27.9949636142379
1969	27.06979361590755
1970	29.107631181630307
1971	28.427326473413327
1972	29.006650840240106
1973	33.23197974166776
1974	38.376183742214636
1975	36.584784235024934
1976	36.24775360145412
1977	36.330562186792235
1978	37.43549420707969
1979	37.66260587898652
1980	41.17866036317634
1981	42.284195384576115
1982	39.326792981187694
1983	35.720317054619386
1984	31.791270494855805
1985	32.39760073037113
1986	30.181448754809743
1987	29.620258082742172
1988	27.890143024233588
1989	29.055208406838368
1990	27.11162094012115
1991	26.98609496984512
1992	28.115578408547933
1993	25.90606897491064
1994	29.309256152660605
1995	34.44304424157137
1996	24.749485509182133
1997	25.844339295673585
1998	26.469380045403685
1999	27.156061057138743
2000	27.173933065954937
2001	25.644290088520545
2002	24.540786789982853
2003	24.519047274628004
2004	27.977007435731487
2005	30.941955815043887
2006	30.84944682803107
2007	30.939989624299237
2008	30.926952225575537
2009	31.26016244210818
2010	33.973365490424854
2011	29.434526709171116
2012	35.318598920782634
2013	29.192276595157907
2014	25.523458796480785
2015	25.359620948796863
2016	22.623715908038395
2017	23.163720870833902
2018	23.34330879342873
2019	21.999921818034274
2020	20.949163334752928
2021	22.817764939303302
2022	28.904576774579375
2023	26.611732134136368