Year	% of GDP
1960	34.1818122618189
1961	35.76158881189422
1962	37.704907433486945
1963	38.48580502244025
1964	40.80459028438476
1965	37.669376693766935
1966	42.52577319587629
1967	46.8982382133995
1968	39.631225359584086
1969	37.5984582382905
1970	41.56234990868379
1971	37.423462337021284
1972	33.81308705809733
1973	36.48688335743209
1974	43.33611317875864
1975	39.91997005727279
1976	29.3266108057826
1977	34.324906126815755
1978	33.885760267332984
1979	35.13293946860534
1980	41.080782863496715
1981	34.05974389893797
1982	34.22450660201113
1983	36.61626110987667
1984	35.50167738504032
1985	31.63597524096308
1986	28.622631848438303
1987	28.55029339893944
1988	25.05388217057556
1989	26.463161210667778
1990	25.87551465245822
1991	26.122650662562698
1992	26.363376083355856
1993	22.889067475276374
1994	25.018621343445286
1995	28.254946160270862
1996	25.614018753224787
1997	28.93422809963258
1998	28.39264530396034
1999	23.988693619302502
2000	25.287568403129402
2001	22.573245899706603
2002	20.145859842998178
2003	17.99522216457914
2004	19.246037409997243
2005	21.708183539925376
2006	22.079865080206833
2007	23.465571598366246
2008	23.433857107506807
2009	21.652596587800172
2010	22.80468088237236
2011	21.347798234130853
2012	21.509315592468873
2013	23.426332779940942
2014	36.419304429988735
2015	36.07748715329865
2016	35.708764364096325
2017	39.88377195169381
2018	33.72017000166176
2019	34.310419999678444
2020	34.348540001442764
2021	30.93165999834889
2022	32.93307000297074
2023	29.039743998984633