Year	% of GDP
1960	46.239416778370746
1961	45.24515661447295
1962	45.2358934985738
1963	40.83064529119903
1964	38.26155530543473
1965	38.04407915894944
1966	39.7750006017879
1967	38.84116006646758
1968	28.74355909195836
1969	27.77964700024117
1970	17.131314276021552
1971	19.783304095422906
1972	16.792588487167908
1973	22.494505156171886
1974	28.57847709905665
1975	27.274031650246666
1976	24.235640045722217
1977	21.239408451720532
1978	21.41548736547908
1979	23.966368511036812
1980	30.340089134727805
1981	34.77178754641517
1982	35.09903168688665
1983	26.52590650046878
1984	23.444614331798753
1985	20.92489520637033
1986	22.417727584362204
1987	22.50343953440022
1988	26.431780419282124
1989	23.173767213276324
1990	16.16440550920453
1991	17.398092426138906
1992	17.784731115296033
1993	19.071404569353167
1994	22.247131742054595
1995	24.739113443037343
1996	22.586758697992714
1997	23.78941932151964
1998	23.204949995694587
1999	20.66125433447742
2000	19.627984760554646
2001	18.15950516909827
2002	17.968145891608845
2003	17.51028937490518
2004	16.855682541075307
2005	17.283817682224058
2006	19.65060236813185
2007	22.032387321586647
2008	26.178345935433022
2009	19.978677979793538
2010	23.760509040654153
2011	24.20087559639699
2012	24.60605631225019
2013	25.574181869025452
2014	24.666120507121416
2015	24.305114358322744
2016	22.02131338895854
2017	20.71181370632379
2018	21.311175142293205
2019	20.833639551486645
2020	18.19125888779185
2021	22.333500307384046
2022	22.199890196957885
2023	18.808516159942506