Year	% of GDP
1960	18.096998341944076
1961	18.411660418895707
1962	17.977711044652
1963	19.08628335809588
1964	19.186910531010167
1965	21.028227157046388
1966	18.342280344324227
1967	21.099710631732123
1968	20.25440587309978
1969	18.19735256566064
1970	15.53023669985122
1971	19.168926224791484
1972	15.712697107209312
1973	16.86257073552701
1974	17.523921120797688
1975	19.204929657831016
1976	15.769184493135995
1977	17.172382968647774
1978	19.684842953659725
1979	19.34911712082176
1980	19.890941456777156
1981	11.384902329573665
1982	12.11555461740935
1983	14.834262302023781
1984	17.871284186999294
1985	18.248729983806218
1986	19.861851679520832
1987	19.669023272575323
1988	20.099661690481017
1989	21.88066534900449
1990	21.33338501829259
1991	20.44517963742945
1992	23.238024752720175
1993	22.579957595211358
1994	20.278329432282423
1995	16.940470229744538
1996	15.980267448953366
1997	15.373170477817366
1998	12.617740013408108
1999	22.11937631143523
2000	19.066093288735896
2001	20.121530450841384
2002	17.861224836280783
2003	18.680903204470024
2004	18.27843319428417
2005	19.388754474287257
2006	19.05490492020386
2007	19.41245213060822
2008	20.888067406516882
2009	20.286376107254096
2010	18.549486457982614
2011	19.07414147682708
2012	18.11620309989006
2013	16.733553665745823
2014	16.091632848235964
2015	16.16200928504377
2016	16.705074680269732
2017	18.54680810252252
2018	20.29673755769296
2019	19.16457647971477
2020	17.027593360679415
2021	19.21186170963582
2022	22.56494236817822
2023	22.527822966490373