Year	% of GDP
1960	10.031187915913332
1961	8.845865645287326
1962	8.350555702543033
1963	8.447658080838256
1964	10.723314433212966
1965	10.583600294868944
1966	11.466426101312074
1967	10.536387447242562
1968	10.173123220206291
1969	9.432005024054444
1970	19.990044354328628
1971	21.30677033504761
1972	20.962988637933908
1973	20.873025586150643
1974	23.22526629725346
1975	20.070095806091263
1976	16.655048333911655
1977	16.178260385612266
1978	17.502232325821886
1979	16.339206844632777
1980	15.452403848831246
1981	13.62302548607003
1982	11.603041089473177
1983	8.51252591309736
1984	7.4612785599431435
1985	10.249019750873371
1986	11.97321484330173
1987	15.567100216253097
1988	14.824587046063264
1989	21.109868038620746
1990	21.958532176973574
1991	26.049741512777512
1992	28.823716393865123
1993	31.490216473902443
1994	30.883230702851662
1995	30.885422935856266
1996	23.02425948573345
1997	18.730623088778678
1998	16.77511885560598
1999	16.5219205323757
2000	16.88632464353173
2001	18.895619915483312
2002	18.68411210332133
2003	21.96366367291037
2004	25.220321741786112
2005	26.995903402512532
2006	32.81979599839616
2007	34.19877079466812
2008	38.72931576986094
2009	31.948356323298583
2010	37.250616587620414
2011	44.82193267175014
2012	41.41446828925584
2013	36.474078445420524
2014	33.25082712322453
2015	32.95023921299497
2016	27.72509040977735
2017	23.2980326637046
2018	23.08796976946957
2019	23.68961853888713
2020	21.946839739775577
2021	23.232402612909482
2022	27.773534487078898
2023	26.66682286559331