Year	% of GDP
1965	38.681358285726084
1966	40.11709274237214
1967	42.63620116244095
1968	43.2426585257493
1969	43.427154207025225
1970	48.08365250091975
1971	43.17878672107944
1972	43.433475818679455
1973	44.695028348166396
1974	46.17635962714202
1975	43.27476828724931
1976	40.954083997959735
1977	44.10665582082076
1978	46.39795250308983
1979	48.17559805637079
1980	52.426832507577735
1981	53.18625359796574
1982	49.30099530946116
1983	49.7853685268061
1984	51.94583522985889
1985	53.08953817153629
1986	54.819162468324635
1987	54.076966265648906
1988	52.53552070014946
1989	48.03609224125162
1990	55.85444764439289
1991	60.561198505201865
1992	63.32521644222986
1993	61.056897614084974
1994	61.590792922622754
1995	62.26377967052505
1996	61.350995545650875
1997	60.84928310210715
1998	61.53968561448344
1999	63.48773051921713
2000	63.46931344150104
2001	65.0812573281962
2002	54.77644564591465
2003	51.03169425087687
2004	47.83698829378267
2005	48.48614592824051
2006	48.74913336824555
2007	49.50833077727442
2008	50.255192204278174
2009	53.30600100327529
2010	51.49518020521667
2011	51.811900751110166
2012	53.65811791639239
2013	53.919093666621606
2014	52.94054346633648
2015	55.81490128433623
2016	56.1222358547004
2017	57.34993738156923
2018	56.369750272181754
2019	55.43881710936691
2020	54.857867455796196
2021	52.44615014691576
2022	53.0536847271261
2023	52.781871091374235