Year	% of GDP
1960	76.38822282189115
1961	75.31134144915737
1962	76.75774186759308
1963	77.03134370770483
1964	75.51990679821668
1965	73.29178554030035
1966	69.16709102099036
1967	72.98004899352063
1968	74.01589349458027
1969	72.21013446984425
1970	81.25373161890683
1971	79.85593194310322
1972	80.05702589108839
1973	76.84466570728229
1974	77.44269171776355
1975	79.98088086950497
1976	79.55959460490156
1977	78.01437279477979
1978	75.6997114025879
1979	77.0846323999839
1980	77.74067897658544
1981	78.04554585411762
1982	76.661330510493
1983	77.97454625842555
1984	76.8201630782585
1985	75.74898081878727
1986	74.14418669645897
1987	71.41154927268371
1988	66.7851864347515
1989	65.01702574439108
1990	65.96314819893348
1991	64.1971785362753
1992	64.66815954904516
1993	62.9607044866346
1994	63.1831698332109
1995	62.55152794921489
1996	63.29320200646574
1997	65.08450611530876
1998	64.73960838046492
1999	66.75766510098697
2000	67.70970172511056
2001	69.4772928948002
2002	68.82986935959615
2003	68.5568192629038
2004	68.98854547457236
2005	69.4935038310908
2006	67.95342119008971
2007	66.47434896661095
2008	67.98134610853752
2009	69.04583210084787
2010	67.97634561712486
2011	69.10272359211265
2012	69.62137974331372
2013	68.91573451908215
2014	69.51257507008154
2015	68.46585435421014
2016	66.87463764544987
2017	65.22926703039074
2018	65.06247991018084
2019	65.94315980165756
2020	70.84248737859478
2021	70.46481566577886
2022	72.28188547426159
2023	74.31924892584001