Year	% of GDP
1960	27.29655172413793
1961	27.43181818181818
1962	26.37628865979381
1963	33.61802575107296
1964	32.46567164179105
1965	33.78870673952641
1966	23.147692307692306
1967	26.370900417412045
1968	18.549932341001355
1969	19.74451820559244
1970	21.925471698113206
1971	25.24116633151393
1972	25.41387024608501
1973	14.510300176574455
1974	18.29133647938741
1975	20.69270635823537
1976	26.918122667371268
1977	30.973613326708332
1978	38.33838809038379
1979	37.37554752946872
1980	39.51424016311657
1981	45.48544146547531
1982	63.88495454820705
1983	52.503207046951175
1984	58.41878891610352
1985	52.25060166460541
1986	54.35695924191054
1987	45.60122826403584
1988	46.83627141242086
1989	53.542069376514064
1990	55.84337266859081
1991	48.843566256210444
1992	42.669869488813966
1993	38.376940357449314
1994	36.603054654543335
1995	36.04285581958397
1996	36.210400171924924
1997	33.66339514768014
1998	36.296114667426174
1999	40.081277420022616
2000	43.240486134667634
2001	49.151206453486395
2002	59.56629304767045
2003	58.40820381662132
2004	48.97946674651183
2005	45.28475535052428
2006	45.2097772208777
2007	39.933785827925654
2008	43.98744959385053
2009	37.81978418227601
2010	40.5239203286405
2011	41.380909990660705
2012	40.16449946304311
2013	41.972929439828086
2014	44.01859484168832
2015	49.4299106783621
2016	46.71193108329981
2017	44.27518240907188
2018	45.976157369251595
2019	48.7833364815429
2020	59.00650508572335
2021	58.73147776896695
2022	52.88358021567959
2023	51.62379536661385