Year	% of GDP
1960	54.238095460514614
1961	67.56991072467486
1962	76.5367583141732
1963	71.98901924728935
1964	65.75531512502394
1965	60.53105763985363
1966	59.56386968637803
1967	65.31601063872165
1968	66.08242669119943
1969	62.29374708823593
1970	59.713270081768954
1971	57.736328217836316
1972	58.54670633535345
1973	57.94980499807224
1974	57.52707904907466
1975	57.0581685480253
1976	58.67421337247284
1977	56.79441187300785
1978	54.81101037527778
1979	53.59860823782682
1980	55.28440515123245
1981	58.211700521197606
1982	58.99969340771304
1983	56.7437136176229
1984	55.382895328447205
1985	55.199803865972555
1986	54.38491172895388
1987	51.995536806584944
1988	53.20463235370092
1989	55.3467629720187
1990	55.67361382136355
1991	54.468304706542526
1992	52.772170911697835
1993	50.85944214283875
1994	50.64123080188174
1995	51.35608716639857
1996	51.868590338354316
1997	50.901300899078805
1998	49.39729512906295
1999	51.02952998926506
2000	50.27259386500745
2001	49.55247574819616
2002	49.58929038200594
2003	48.0190445341769
2004	46.118794759030514
2005	45.006040218709494
2006	43.38324420572045
2007	42.031104020768325
2008	40.630477071150686
2009	40.17801563970221
2010	39.16478344642573
2011	39.31555265179614
2012	39.6665305140821
2013	39.87298721065226
2014	40.36677444349339
2015	41.17229353434536
2016	42.01793896383467
2017	41.771081428918485
2018	41.63028185252456
2019	42.48019037487197
2020	41.59894377292372
2021	41.018020054359184
2022	40.443217109259535