Year	% of GDP
1960	9.32145305003427
1961	9.887005649717514
1962	10.652304009575104
1963	13.176236309326253
1964	11.081162024558251
1965	11.779310344827586
1966	10.931069958847736
1967	10.93345873501058
1968	10.663764961915124
1969	10.529482551143202
1970	10.642270351008214
1971	10.866867576670804
1972	10.662439512764893
1973	9.972084367245658
1974	12.60081701057924
1975	13.608421052631577
1976	11.873954757503741
1977	10.927358406686228
1978	10.846414766900686
1979	11.009727773169445
1980	10.742705570291777
1981	12.586099723613007
1982	12.378976486860305
1983	10.762942779291553
1984	11.004208598664546
1985	11.641025641025642
1986	12.488479838178794
1987	12.028776632265421
1988	11.116481660620629
1989	11.723138144615962
1990	4.551548211358374
1991	3.731458194323256
1992	3.7659947789617836
1993	3.3438197686218794
1994	3.069395472963055
1995	3.22416182430263
1996	3.10786651641825
1997	3.090609073529355
1998	2.954574890658345
1999	2.976590019508705
2000	2.64129456033523
2001	2.6978241999103476
2002	2.855226715329996
2003	2.689082629942248
2004	2.6313852377431917
2005	3.071454998695966
2006	6.789659207523351
2007	6.723452460446287
2008	6.9108759490218805
2009	6.561117160261881
2010	5.744109266104392
2011	6.018401103694428
2012	6.0157094924162315
2013	6.345950315521902
2014	6.04622180080549
2015	5.939100710917902
2016	4.966743259257819
2017	4.789300947069754
2018	4.668406953639721
2019	5.049182880964542
2020	4.2440239244641935
2021	3.135049957533711
2022	1.8670261575920624