Year	% of GDP
1960	52.72759488160473
1961	58.552779022893034
1962	54.08467338143832
1963	52.5591580963175
1964	57.65075914659832
1965	55.77473875327888
1966	55.17023836195635
1967	54.389845782364645
1968	57.13031270322114
1969	57.66291288135741
1970	58.880805922574055
1971	54.09914630520811
1972	54.45008009639656
1973	62.46956686177785
1974	71.07139256407268
1975	59.27312062009196
1976	62.80493769504625
1977	62.4574207609478
1978	58.83152367948463
1979	54.741727526165896
1980	59.95704864681838
1981	58.28577025060987
1982	59.86432722397834
1983	57.45676858263257
1984	61.41802934003287
1985	70.88345708819105
1986	59.061165936514726
1987	54.313914291070894
1988	47.27371746939082
1989	50.40271624406342
1990	47.87950667125138
1991	45.641566011273014
1992	46.866434707082746
1993	41.95274819591869
1994	56.04099080704259
1995	61.244640178182664
1996	40.6614899938949
1997	40.071903272960576
1998	38.72137453285728
1999	40.056186858204576
2000	38.425498277042934
2001	38.63053264190244
2002	43.61267765323176
2003	42.66471301501178
2004	49.48411369279894
2005	56.421541244422315
2006	56.55142713368044
2007	53.37952520707927
2008	53.62366085439104
2009	53.96494460832824
2010	55.12603109347003
2011	52.747458834996806
2012	60.30746885121482
2013	57.9276510507419
2014	49.278294194991986
2015	48.316048242748835
2016	40.193968039957596
2017	40.879911971465496
2018	39.099506489461376
2019	38.423133101328496
2020	36.461657786355076
2021	40.25021807493122
2022	48.9047518044585
2023	49.689785396200456
