Year	% of GDP
1960	13.553347018267726
1961	14.001264775840921
1962	14.525969977355157
1963	14.611174806560909
1964	14.006988792898179
1965	14.070320427261981
1966	13.426788098231224
1967	12.359753764789977
1968	12.73398569945669
1969	13.29467929058041
1970	13.503284087704346
1971	14.048127864570537
1972	14.233341783195053
1973	14.461877597628078
1974	15.530190764150417
1975	14.419994740514861
1976	15.414566511075039
1977	15.602446019268989
1978	16.11541863358333
1979	16.71504600741209
1980	16.23695486160124
1981	16.04758093393083
1982	15.728586595672118
1983	16.102469141714856
1984	16.201258276070508
1985	15.910982106657196
1986	15.80799400622659
1987	15.799172755901978
1988	15.676991911090985
1989	16.222334154497524
1990	16.081789411313792
1991	15.375631373757145
1992	15.540639663364322
1993	15.692338076993956
1994	16.429873070430723
1995	17.12817709569302
1996	16.779009760971036
1997	15.982557566617148
1998	15.455136418091294
1999	14.979061984039912
2000	14.642288392300424
2001	14.293454739615264
2002	14.608626862533411
2003	14.642555022176001
2004	14.966230953978934
2005	15.326401950945629
2006	16.50419496883187
2007	16.241497491621743
2008	16.461254194918183
2009	16.48481253914875
2010	16.49742690536977
2011	15.784272364016347
2012	15.573117176534035
2013	15.06513178835818
2014	14.927709928104454
2015	15.180800132951742
2016	15.05680028904624
2017	14.907349353994654
2018	14.931664824791858
2019	14.054383534486794
2020	14.48508187421429
2021	14.817937373839078
2022	14.101264955757268
2023	13.8148887288039