Year	% of GDP
1960	17.265359768452118
1961	27.935350035538892
1962	32.841202366687995
1963	17.435732419925795
1964	18.067955975373025
1965	19.374805533429885
1966	18.656757192273183
1967	25.237067216871512
1968	26.816305322231806
1969	28.070758079996022
1970	29.569136346492897
1971	26.060088630096335
1972	29.025184750413324
1973	34.19810110506386
1974	43.27580039642371
1975	36.13016376845906
1976	39.28619229991593
1977	35.76098003557016
1978	37.586459145312595
1979	40.82847761131941
1980	43.07692321514793
1981	40.700106943311596
1982	39.21001889360374
1983	39.70902521143649
1984	33.40807154871067
1985	31.41092160756664
1986	23.238736469965044
1987	23.41674476503481
1988	20.543641259121138
1989	20.198441083933847
1990	27.09607603373552
1991	37.35938182256161
1992	32.20759218264468
1993	27.73584697768536
1994	26.5571555638465
1995	28.107101352426717
1996	31.49416367441324
1997	32.01567828810485
1998	27.210740707219
1999	31.6187984798953
2000	44.84500598276131
2001	43.11533224184198
2002	42.10687268958651
2003	45.649813140412135
2004	48.279368990488955
2005	53.07718108955134
2006	55.975096332837715
2007	55.46638392840413
2008	55.80280477753321
2009	46.954170922173965
2010	49.772070719703926
2011	49.50990507181625
2012	48.29032336823983
2013	47.029732541240804
2014	45.21391011056799
2015	39.63127333111747
2016	38.85395743663017
2017	39.11413512065687
2018	40.86690329615636
2019	38.93860307831508
2020	33.63000334320091
2021	39.58273502715477
2022	45.90415519365409
2023	41.876429955269245