Year	% of GDP
1960	10.30728312253513
1961	10.173366576061598
1962	10.52892810124691
1963	11.013343620493451
1964	11.491187250819298
1965	12.314822846865447
1966	11.744630858394002
1967	9.911599891730503
1968	10.649062802008903
1969	9.89531417809253
1970	9.65404862936195
1971	9.738605787810894
1972	10.112909675454452
1973	11.128661067228297
1974	12.059748275918986
1975	12.082023557652603
1976	12.783672904071738
1977	12.119945524658439
1978	12.651785190123558
1979	14.955857297980929
1980	16.270746466687477
1981	14.904770173820447
1982	15.000021188617346
1983	14.553049830617079
1984	16.376829362837974
1985	13.645635642680093
1986	15.424502369149772
1987	13.169599581419222
1988	13.934203723274738
1989	11.96980479980454
1990	11.050614632221363
1991	4.7899247264136156
1992	9.372560068970461
1993	10.893771084845193
1994	19.7864841093233
1995	19.94855587753146
1996	20.75054528608343
1997	19.310413790964155
1998	25.931971948648368
1999	25.4023403464099
2000	21.183280022675337
2001	27.528978872475918
2002	26.417657955959374
2003	36.89835233300791
2004	35.060056717325025
2005	40.30274813495817
2006	40.90083444015787
2007	35.955641322293545
2008	36.49843679306154
2009	28.627458168045735
2010	36.520600558420334
2011	36.838754655088614
2012	35.286874706803175
2013	31.575118917139083
2014	33.50342288347722
2015	30.370342036663278
2016	25.866543609993514
2017	22.9702779670949
2018	21.370798252596106
2019	18.032040219440596
2020	15.208382465411482
2021	17.90550318786535
2022	17.853212447070536
2023	13.136391105290022