Year	% of GDP
1960	12.557662737057921
1961	13.614124654328865
1962	5.392854467830125
1963	9.349289454001495
1964	13.065115301044369
1965	5.735976381273724
1966	22.09559987337765
1967	16.867185656994575
1968	15.576858873467831
1969	14.827078734363502
1970	15.838323353293413
1971	16.642156862745097
1972	18.89570552147239
1973	19.480557941185182
1974	21.420433320881585
1975	21.97350207632984
1976	20.832498205822834
1977	20.079218545345515
1978	20.847621559834696
1979	23.58971316517514
1980	22.17987620390928
1981	25.54685620152887
1982	26.29719314603086
1983	28.813828401467617
1984	22.795641366128002
1985	20.940701514345317
1986	20.513935710740263
1987	22.39744778151036
1988	22.212902027236236
1989	22.99432902651977
1990	25.586102459544414
1991	26.488303813318254
1992	27.119970602325267
1993	23.768572466506033
1994	25.36567319790163
1995	27.646425050399976
1996	26.440191675053704
1997	28.134615525545975
1998	43.218057794190656
1999	27.429783776332332
2000	30.4595674435027
2001	30.761068430112697
2002	26.39184087853478
2003	23.138838966335474
2004	27.54460021843117
2005	29.920668240864273
2006	25.622410500570076
2007	25.393531493081106
2008	28.75311546399016
2009	21.35300169991561
2010	22.402242938733224
2011	23.852660095616216
2012	24.988519511085833
2013	24.713796295966514
2014	24.414190988844314
2015	20.777460981345257
2016	18.33234794891696
2017	19.17819263568627
2018	22.07156245779633
2019	19.036249738925694
2020	15.641007115604918
2021	18.788202635901825
2022	20.96215448094763
2023	19.569084994792863