Year	% of GDP
1960	57.63558658881599
1961	57.95493342437692
1962	59.017315043849784
1963	58.31426788685524
1964	57.31965554562139
1965	56.935282197214676
1966	57.69830202608481
1967	55.96556418086163
1968	56.72909034886507
1969	55.05449882453516
1970	54.076683376236275
1971	54.43128901218667
1972	54.57831054840955
1973	54.4199116820554
1974	53.5038600443988
1975	55.87257034594063
1976	55.781782406296486
1977	56.69365820192718
1978	57.83091244836186
1979	56.647944017313534
1980	55.910320030903634
1981	56.006248441171444
1982	56.06885139630495
1983	59.063311722594136
1984	56.811396160721806
1985	54.911144610288964
1986	55.88594954517053
1987	56.34898185107193
1988	54.92279062888974
1989	54.024574027560924
1990	54.685380348163434
1991	56.686996323325815
1992	58.40844281795824
1993	57.72577163168783
1994	57.17289133775243
1995	57.327476676226084
1996	57.07952639946764
1997	56.599391016140764
1998	56.971183219061835
1999	57.563681335205295
2000	57.36621626923646
2001	57.97834894444743
2002	57.239908731092505
2003	57.7393077892388
2004	57.31863268714218
2005	56.87347235158984
2006	56.040156665015985
2007	55.966770215137785
2008	55.85196701674848
2009	53.923806186734055
2010	55.305236736812326
2011	53.84213594464037
2012	53.55837884081841
2013	54.583611121048236
2014	54.787818927983146
2015	56.037699732817636
2016	56.91382910492027
2017	55.456303307191526
2018	55.11599715482769
2019	53.92145399945232
2020	52.0807236528506
2021	50.60445660182077
2022	48.689858354609356
2023	49.64665387072139