Year	% of GDP
1960	19.199889589480783
1961	19.324256436552076
1962	16.988229583788375
1963	16.741073208022236
1964	14.372076284328813
1965	22.042562774462336
1966	16.814716942778738
1967	15.632006184770002
1968	18.876841812621628
1969	19.21007720438846
1970	19.456748569505216
1971	21.853585358535852
1972	23.173493005937406
1973	25.55313886045718
1974	29.033051919198826
1975	28.569959991109133
1976	26.92015690244211
1977	27.35649974929694
1978	27.30441027374113
1979	26.824216192623844
1980	24.416458373389734
1981	24.224273603745388
1982	24.84336066961802
1983	26.027807301043314
1984	25.677160600310504
1985	22.965201441872907
1986	32.53606438441681
1987	30.031378885536252
1988	29.52877429567282
1989	29.95183167032293
1990	29.065168875371217
1991	19.220189015504687
1992	20.772519985180146
1993	22.039876577420163
1994	21.737236346392187
1995	21.87982989271426
1996	23.32626263976597
1997	24.293659570319374
1998	25.163117510177912
1999	27.88468772189891
2000	29.026043323399435
2001	36.75152009874173
2002	34.698113210100146
2003	49.33297942678496
2004	38.31953800586969
2005	35.56625192666325
2006	32.37007701759838
2007	32.79495258577598
2008	30.341746965711565
2009	32.971152095725685
2010	32.42304034154208
2011	32.749443286679266
2012	33.35603827610567
2013	34.01034779976202
2014	33.27673238884423
2015	34.04849616095203
2016	34.35102694047315
2017	34.561205261317966
2018	33.085928539883746
2019	34.30346394434543
2020	42.75415646751586
2021	40.1750787512986
2022	36.53287227379939
2023	38.34634758786854