Year	% of GDP
1960	14.263384936669196
1961	15.409621101742186
1962	17.218541117612244
1963	16.529594666949897
1964	16.128472352762405
1965	15.996267129345176
1966	15.48256735491732
1967	15.353969286638286
1968	15.750809933037264
1969	15.452507625069925
1970	13.104638836527815
1971	14.81258316568749
1972	13.654531526995072
1973	12.24457165140245
1974	11.200890010493564
1975	10.835074023697281
1976	11.21247399502693
1977	11.025683068114994
1978	11.888584529641536
1979	12.27046676064695
1980	22.850136862787263
1981	19.418486208435166
1982	15.006512996472555
1983	12.448966476362587
1984	15.433642716895973
1985	14.604140213252819
1986	13.19230052829614
1987	14.75691744054238
1988	11.87663176445901
1989	12.078191356638994
1990	10.87602760891921
1991	11.57134151976586
1992	13.41252454365767
1993	12.020883010029047
1994	11.591336753367838
1995	11.371354596963746
1996	10.508799304455732
1997	14.49006928447744
1998	17.01500160115696
1999	17.009164592619967
2000	17.28063418334011
2001	16.871607552486022
2002	14.894877922765048
2003	17.663375032636168
2004	18.75260458172572
2005	16.12109208020988
2006	16.874709121455243
2007	19.029038578275834
2008	14.076977108600158
2009	12.508633973402084
2010	13.116074568974517
2011	14.117113684792425
2012	15.007692994025204
2013	15.646669669339571
2014	15.800002461215726
2015	15.140320198467574
2016	14.761291303035353
2017	16.122566983266186
2018	13.603305250851196
2019	15.106119133037543
2020	18.72397125217713
2021	17.213710840246133
2022	18.158318276171393
2023	18.680085636435944