Year	% of GDP
1961	21.817815168332263
1962	24.138849650106266
1963	25.272836437052103
1964	28.061587723165466
1965	28.619834710743802
1966	32.68636779505947
1967	34.85315789473684
1968	34.93084522502744
1969	34.60307147076196
1970	33.7208840656432
1971	32.317067635043124
1972	31.089555035128807
1973	34.37670459480587
1974	33.4709910841194
1975	38.651717009302864
1976	39.18184169684428
1977	39.79209817966149
1978	39.73440959780989
1979	37.23018480492813
1980	37.69018500211834
1981	42.19483421432004
1982	45.93060527849471
1983	47.187893650429594
1984	47.15930072983594
1985	49.59434620919596
1986	52.18177755432657
1987	49.98577526663597
1988	51.374927834099246
1989	58.89190711060594
1990	55.076333478184495
1991	53.75733240223464
1992	54.00472062922267
1993	53.926236104480665
1994	53.8139220174784
1995	54.38617037497507
1996	49.15762366059487
1997	45.93822188516087
1998	46.48990031215386
1999	46.488106173619734
2000	53.397806573484544
2001	49.59691379494998
2002	50.61047318638835
2003	49.51270985661461
2004	49.54991849324768
2005	49.9978164744095
2006	48.535973572763915
2007	47.9532263279688
2008	48.456007888405225
2009	49.927236039858755
2010	52.20073232035066
2011	57.88905399621977
2012	57.808900768814794
2013	57.917233816180605
2014	59.76783921920623
2015	60.096593133554634
2016	62.20916447034273
2017	64.71590586044809
2018	63.48648235715404
2019	59.25522846945328
2020	67.61486090713619
2021	64.96514212708658
2022	66.45774631286552
2023	62.258640979511405