Year	% of GDP
1960	10.959149584146806
1961	12.028604880456802
1962	11.600119481391928
1963	11.47088055326148
1964	13.84917666294304
1965	14.842877340874674
1966	13.72926019124066
1967	14.12994093593821
1968	15.207316063891419
1969	16.434674090429105
1970	16.257465162574654
1971	17.980287810561453
1972	17.63220834440606
1973	16.452237276556986
1974	17.035919675685868
1975	18.325399013955042
1976	17.460102504127683
1977	17.205226087424055
1978	19.51476535934001
1979	19.195777186507595
1980	19.803375262349277
1981	18.58875128998968
1982	18.43303277825071
1983	18.421654383218456
1984	17.381833339683066
1985	17.460292267953292
1986	18.319566968215618
1987	18.56875563261404
1988	18.405789223878703
1989	18.056607792887615
1990	18.642430895608957
1991	16.77134566180148
1992	15.682272589738425
1993	14.479965486923668
1994	15.154926314268039
1995	14.842921045112147
1996	15.180567385370306
1997	15.536152187487422
1998	16.24996091951159
1999	15.7532966549933
2000	15.054292255617895
2001	15.972911751473456
2002	17.077999909211464
2003	18.131318575485388
2004	17.860065964127003
2005	17.380211552384818
2006	14.346998804000558
2007	14.629611467037659
2008	15.67397942375893
2009	13.554594793936579
2010	12.952971817557671
2011	12.684642021624432
2012	12.27137742121094
2013	11.842625997821258
2014	11.742494588875276
2015	12.726680075888428
2016	12.609768629814022
2017	12.335079017883874
2018	12.348689395327156
2019	12.170798264106866
2020	12.477663701683703
2021	12.146861127291405
2022	12.271866215251857
2023	12.286518307672404