Year	% of GDP
1960	69.60020821112131
1961	66.35383120908047
1962	64.04030295609296
1963	65.20762412586323
1964	66.84456040327906
1965	65.84918238472851
1966	61.386783199993964
1967	59.938964191371724
1968	57.323939776297635
1969	58.21436025394788
1970	55.97296948408238
1971	53.38263128731666
1972	51.11471970705117
1973	49.13214770204558
1974	53.383637656790114
1975	53.03667004050951
1976	51.578304752587414
1977	55.59785935742669
1978	54.07191289440727
1979	56.02350092788557
1980	52.721370800512105
1981	56.17664334447152
1982	49.37118007814491
1983	57.07400097293003
1984	65.69708210569576
1985	65.59490305391084
1986	61.815307293019885
1987	60.053659923839554
1988	64.50792519339267
1989	76.36041667391797
1990	66.31622450037435
1991	68.50123514499005
1992	65.28391987319806
1993	64.7568858254427
1994	62.07950980865537
1995	59.97206108157296
1996	59.564767477696655
1997	58.4625394649676
1998	63.18189013638338
1999	63.526860554473885
2000	60.99485334784338
2001	62.723795352834934
2002	65.38792085496125
2003	63.08527574143304
2004	65.19320893573232
2005	63.22867376483474
2006	61.44458185740083
2007	58.14288686408774
2008	56.119265848553646
2009	55.97228293321167
2010	57.364249390009356
2011	55.52550151732716
2012	53.13148502214956
2013	52.5902469084362
2014	54.025528130220714
2015	51.52555470514939
2016	51.991704039359185
2017	50.66990050271129
2018	49.19933315980562
2019	50.63055733720711
2020	55.579364953223745
2021	50.51387158233681
2022	46.079007834509035