Year	% of GDP
1970	68.52938133728865
1971	68.58538506313184
1972	69.12395940905074
1973	67.55744837668544
1974	66.01903415054971
1975	69.73603421869234
1976	71.26100638972927
1977	72.1733349883411
1978	71.824854282948
1979	70.33981275620135
1980	69.5932495468996
1981	70.14474479207713
1982	71.22631591243605
1983	71.37083263528228
1984	70.72764683875795
1985	71.77096746501846
1986	72.08938796994879
1987	72.45997991612026
1988	70.40913415794482
1989	69.68134030340781
1990	70.92536197627503
1991	77.09179622320164
1992	78.28430563091221
1993	77.17249264946095
1994	74.95179010237027
1995	72.85309845863479
1996	73.704730464426
1997	71.40704107141246
1998	69.66316383618042
1999	69.1039742822024
2000	67.53785491271016
2001	67.47794341344692
2002	68.8805678649839
2003	70.75038385755425
2004	70.56400307386085
2005	71.04871665644525
2006	71.13888615765455
2007	69.34228532329799
2008	70.88667541759968
2009	76.21308742372639
2010	76.31641889413903
2011	76.52350023737613
2012	78.13934748329909
2013	78.71975959397223
2014	79.02869543782654
2015	78.85564254795752
2016	78.00274000312618
2017	75.94707933239359
2018	75.98752687803582
2019	75.75315394942007
2020	75.40014619514531
2021	75.8716848051575
2022	75.9207581989413
2023	77.64538496172895