Year	% of GDP
1960	47.90792295019983
1961	46.40683487787328
1962	45.904052683510145
1963	44.167104146873896
1964	39.80135977972736
1965	39.61846070375536
1966	37.44038088611265
1967	34.759762229600035
1968	35.561158713618084
1969	33.568804151520055
1970	31.86676513894846
1971	30.88032896343755
1972	29.800471638967057
1973	31.049901142166387
1974	25.466846449383922
1975	28.244458161268067
1976	24.479352101509683
1977	24.265851604067038
1978	25.880637212766505
1979	26.402385864554812
1980	25.880273262685172
1981	26.533998353147187
1982	24.125313394536978
1983	21.88195713118163
1984	24.134470978280156
1985	26.537578919782284
1986	28.461544502484426
1987	29.182352573433
1988	32.039321891080185
1989	32.71644011153478
1990	32.498427668364265
1991	33.29394293280136
1992	34.00968692371078
1993	28.21520627340364
1994	25.26363050853895
1995	24.727605801392034
1996	16.526725263957953
1997	15.146300101150914
1998	15.541618770316202
1999	15.217767099690352
2000	16.195154514693
2001	17.277097552718367
2002	18.73731415722601
2003	20.77602022027288
2004	16.640018984398033
2005	16.065185358480296
2006	15.944794906629218
2007	15.57874632553992
2008	16.185484182972566
2009	15.249581638575915
2010	17.488917070784215
2011	18.486671488644724
2012	16.37514987588612
2013	15.342901935494455
2014	15.241755525618547
2015	18.362041686875173
2016	17.434968407497117
2017	16.940987149693818
2018	17.852601402265908
2019	15.6882063635315
2020	16.933415476894368
2021	16.180552963013543
2022	15.78385239650672
2023	14.371664212962934