Year	% of GDP
1966	59.46801773274224
1967	59.39323220536756
1968	59.416909620991255
1969	59.45802337938364
1970	61.54199173932997
1971	61.4410480349345
1972	59.45945945945946
1973	59.53125
1974	59.48749237339841
1975	59.039615846338535
1976	57.74931607956905
1977	59.45051020037575
1978	61.41183035714286
1979	61.660872971311754
1980	59.966247280368115
1981	56.888730663665484
1982	54.998474678757646
1983	56.79155596740839
1984	55.349276274386405
1985	59.97497013481996
1986	59.87087741132545
1987	58.60136468477704
1988	63.106850387098575
1989	63.73193030274382
1990	64.64795919817313
1991	66.48112060808973
1992	67.50427692721884
1993	67.59345480206966
1994	66.14373935695443
1995	63.76733236103218
1996	61.35044924589565
1997	63.84531229179233
1998	64.7277511871788
1999	60.393547926150895
2000	60.645042170544215
2001	59.80754298081942
2002	60.068091089964426
2003	58.402684456437356
2004	51.058306658664065
2005	50.740706840258774
2006	55.60417196731503
2007	57.35735553653264
2008	52.988606753731396
2009	51.1004157150967
2010	49.20053712284346
2011	54.9002009575039
2012	54.45121636892695
2013	55.126297063485275
2014	56.43873188736014
2015	51.889787364317755
2016	48.79803435379229
2017	53.42535706634827
2018	54.90376695228808
2019	54.774228025317754
2020	53.953706415542214
2021	53.39315449639837
2022	51.31798612684024
2023	51.481034082876675