Year	% of GDP
1960	39.98707305291973
1961	38.495723376776205
1962	37.52775023463197
1963	34.352576128770615
1964	35.69219409902914
1965	32.76613013358278
1966	34.08391696735805
1967	32.16574703180155
1968	27.292854772415744
1969	27.803703765230775
1970	19.58335720774052
1971	19.14137768478741
1972	16.82373410252556
1973	20.4197721483245
1974	20.57005712042891
1975	15.86264168109187
1976	16.03765437920643
1977	14.706997986160255
1978	22.16949832421703
1979	32.18170814623101
1980	33.19235048671845
1981	28.902934787951555
1982	30.27757658822543
1983	26.723287696721403
1984	27.726270071716712
1985	29.11884336429771
1986	21.05211175164986
1987	20.86224911284504
1988	23.2093288978948
1989	23.29627943909599
1990	18.08911153340949
1991	15.14361164506714
1992	14.834450497449266
1993	15.20616820694032
1994	18.867101512492518
1995	19.011666098467526
1996	17.56559444272377
1997	19.274393983409187
1998	17.65773190803636
1999	18.249253792851718
2000	17.62670003987064
2001	16.297862781944588
2002	17.26858026581418
2003	17.915012944302795
2004	20.74407177484809
2005	23.624022428803304
2006	28.938819241329654
2007	29.3885070989981
2008	27.19983896529532
2009	24.750853842497314
2010	27.740028408000306
2011	29.21811482531408
2012	26.885389791215257
2013	25.403638263582778
2014	23.02694016746164
2015	21.716996240999574
2016	21.833099674524604
2017	22.638007293721266
2018	23.06407431505164
2019	21.96830904585923
2020	19.96817797603404
2021	25.34996243083859
2022	22.757685419573505
2023	22.076238196953664