Year	% of GDP
1965	48.0200388004601
1966	44.5719713285582
1967	43.204517026989514
1968	46.756755688093534
1969	46.242564916464396
1970	50.87995264105418
1971	50.176130520438434
1972	46.47761948844077
1973	44.690894096169316
1974	48.23801324186239
1975	48.22799390317913
1976	50.00721605736993
1977	52.865708956373034
1978	51.77722643771232
1979	49.320941716909964
1980	55.01613908690616
1981	50.28117841370066
1982	62.12539351896105
1983	59.701190873731015
1984	64.47202025124719
1985	65.02458837565528
1986	46.00580702492309
1987	37.32029526895024
1988	31.99460885683343
1989	38.476483784826335
1990	37.49644544112596
1991	34.63877935567148
1992	38.86259217302771
1993	26.15884295860653
1994	36.96112100519215
1995	36.68227266370099
1996	45.11561210204421
1997	48.46963527044549
1998	42.29465383440741
1999	37.238379846481386
2000	47.927944246014945
2001	51.572269189036554
2002	48.48172272796026
2003	40.24319258945293
2004	41.83774242725573
2005	44.997681347847774
2006	47.104434180356705
2007	53.21569086051775
2008	56.92441715627342
2009	42.17610735947648
2010	47.238585396595106
2011	51.52198760391801
2012	50.03601272712294
2013	49.674536346213436
2014	50.83238930876478
2015	45.54014682793927
2016	40.63863152682682
2017	39.19902160526295
2018	40.58760287702803
2019	43.37851324804155
2020	33.73883136238705
2021	36.74586842444464
2022	41.28689090430292
2023	38.60000000005708