Year	% of GDP
1960	13.003569607343193
1961	14.34945984030061
1962	15.04864864864865
1963	18.044633368756642
1964	17.93545717832023
1965	15.045653036919413
1966	13.948539369317084
1967	15.544041450777202
1968	16.843546730571717
1969	15.404943261308876
1970	16.409134418159443
1971	17.181224899598394
1972	16.666666666666664
1973	17.022865142323845
1974	20.725426187885382
1975	22.704537334762414
1976	19.142229439296973
1977	16.628370098039216
1978	15.21413206440258
1979	19.355642281823464
1980	23.235550392099913
1981	23.627680993028168
1982	24.410774410774405
1983	21.216539554359205
1984	16.492537862891055
1985	11.878144214645053
1986	8.204355839162918
1987	11.13561190738699
1988	7.699860072823977
1989	9.342253455336243
1990	7.068048128783801
1991	11.736791227676175
1992	14.424936472188612
1993	7.236008151994337
1994	9.91957757940122
1995	9.802956516119325
1996	13.869569574460977
1997	12.514959975266605
1998	15.173041480074422
1999	16.934960995077628
2000	13.419677402220834
2001	10.732827760394258
2002	14.215978767617823
2003	14.187693948790558
2004	16.131945681828153
2005	21.4127695588256
2006	21.107668317110157
2007	17.50280203739428
2008	16.475666201421273
2009	18.22668034045799
2010	15.252703604289655
2011	15.033632995265867
2012	14.999721887999232
2013	17.351633333623283
2014	13.236197881298557
2015	11.955361925468415
2016	10.277178882963641
2017	11.719245571497314
2018	14.217716742768344
2019	17.666637037633954
2020	4.829832381575527
2021	1.8776782104849608
2022	1.127672605302693
2023	1.0443680042560606