Year	% of GDP
1960	24.652246642652944
1961	29.32752251193659
1962	28.50409713570518
1963	28.558807620041364
1964	27.373424328939382
1965	27.819067117260243
1966	27.103243766298768
1967	25.446709444443634
1968	23.890432384390188
1969	21.509104830377535
1970	19.69523115853939
1971	18.501487291484715
1972	16.45963820780362
1973	15.722757247654942
1974	15.191896891354531
1975	14.958194740344469
1976	13.785437932900466
1977	12.206026665133594
1978	9.115383275790796
1979	10.604582446569845
1980	9.936163353913969
1981	9.667854873136594
1982	10.380422185028108
1983	10.535616323720019
1984	10.433407422965297
1985	10.087787934319062
1986	7.361222292384424
1987	6.3223364393915435
1988	5.815749579441963
1989	5.753457682342704
1990	5.827531290186259
1991	5.1149628003619805
1992	4.844029031524348
1993	4.275878415651854
1994	4.545997148206892
1995	4.581901505077508
1996	5.04278134058291
1997	4.98407144711021
1998	5.01402646463033
1999	4.797885035697835
2000	4.464115222919426
2001	4.6296646346713795
2002	4.799339215743466
2003	4.605508060978991
2004	4.776767940475254
2005	4.623834773590836
2006	4.777290332528321
2007	5.10276594819326
2008	5.478890080563424
2009	5.507362483942667
2010	5.550741179776499
2011	5.725268629206018
2012	5.8115099799507375
2013	6.081169574075183
2014	6.04596554265298
2015	6.057643214222192
2016	5.8327667777085725
2017	5.622356561224596
2018	5.391952307353391
2019	5.457832035863511
2020	5.893454267301389
2021	5.777063699900325
2022	5.935509815557281
2023	5.785588374497075