Year	% of GDP
1960	17.74988397941025
1961	17.16519653947627
1962	18.12357417580262
1963	17.499430894693273
1964	17.87691433852821
1965	17.941921080523894
1966	18.15634439535684
1967	19.5492309739795
1968	20.51084042755899
1969	21.879463932959982
1970	23.10337927877876
1971	23.99142084183895
1972	24.526223480501343
1973	22.645593862059584
1974	22.400839856973906
1975	25.515179091473993
1976	27.577451365041778
1977	21.504631873913272
1978	23.163040937564848
1979	23.116079641079544
1980	22.976505277667172
1981	23.37434599957732
1982	23.924556192517727
1983	24.081439433938627
1984	22.627861627222305
1985	19.689218224158836
1986	19.586374272797904
1987	19.97151695072372
1988	19.586431908646507
1989	72.12048058198886
1990	27.64490931262151
1991	27.01202066342986
1992	39.507877535688166
1993	50.750991422793156
1994	38.21307755598568
1995	31.59374543877102
1996	29.708449625410626
1997	30.931549107191927
1998	26.308374065917448
1999	24.927544051313426
2000	23.986898191759096
2001	21.72117611701435
2002	21.98689691061856
2003	21.297801778621647
2004	21.69395063715674
2005	23.622372375291334
2006	26.553378063869204
2007	30.34281372246127
2008	32.34755377331397
2009	34.04040034434613
2010	36.5449416310975
2011	40.292199766998316
2012	42.317362440421554
2013	43.937518359341254
2014	45.36548050628395
2015	45.08478481329051
2016	44.552321336076616
2017	44.41014299258977
2018	45.154022955503116
2019	46.8614349764034
2020	49.977749007161336
2021	47.59244374093898
2022	47.01917753928091
2023	47.00983307620731