Year	% of GDP
1960	32.89678498003878
1961	33.93147347808098
1962	36.27415285068182
1963	38.726429121373656
1964	39.6805176978396
1965	41.17488186756115
1966	41.64248216311463
1967	42.46320629162393
1968	43.140503535849014
1969	43.702215316740286
1970	46.596693156557365
1971	48.778743311075374
1972	53.472423182198064
1973	55.958203812368154
1974	53.330616304004906
1975	52.2231316789213
1976	52.66418764012373
1977	54.25921954189219
1978	57.82878209882996
1979	55.99232537321579
1980	53.481401837970544
1981	53.5803716080877
1982	54.30917070935453
1983	56.44193298387764
1984	58.48348487044514
1985	60.58779361749492
1986	69.78991744191347
1987	75.60127741150531
1988	80.35072126687335
1989	83.17144658109602
1990	79.1030803812191
1991	79.4344969121725
1992	79.74219846093222
1993	81.88964930189208
1994	81.95168668553713
1995	82.16409830673665
1996	78.68640821559104
1997	79.29838786228008
1998	78.27359128146315
1999	80.97250725111755
2000	81.18694692172083
2001	72.63516326821129
2002	72.88643464553009
2003	74.4555910185757
2004	75.46497134849807
2005	77.04297750734723
2006	79.28677041183741
2007	82.13696152066608
2008	83.56137117108189
2009	84.52569880358269
2010	82.21949752938681
2011	81.02798104143261
2012	81.02627114254808
2013	81.72907362397234
2014	82.60706817728895
2015	85.59495783478211
2016	86.55072222339042
2017	85.55322244096926
2018	87.14316229700353
2019	88.69099948324653
2020	97.43246106597303
2021	94.672462109689
2022	96.07097275073714
2023	95.56494021279099