Year	% of GDP
1960	53.51971156687747
1963	49.14724031539252
1964	52.16883874732542
1965	52.18115564809995
1966	51.935026021132316
1967	50.842132080278546
1968	49.41522693254179
1969	50.0212971058354
1970	49.921544481299776
1971	50.98639937663809
1972	49.104899745611405
1973	49.92859590997372
1974	55.453622735790134
1975	60.38690948123392
1976	60.564636621100284
1977	61.630124408479546
1978	58.721003134796234
1979	57.9356862745098
1980	59.83749073503232
1981	57.905325369617124
1982	50.64661600314957
1983	49.23885486727712
1984	49.72394142757246
1985	49.84030912998048
1986	45.884694197452895
1987	44.63451789326474
1988	44.9450082999189
1989	49.865772765365115
1990	51.37119857100655
1991	49.2590972517727
1992	44.43288749230085
1993	44.379225477308445
1994	41.9600293570548
1995	44.12140117279555
1996	42.03914638978307
1997	44.384134082195835
1998	40.301258726777895
1999	43.739561902456735
2000	43.828218949852356
2001	42.1181532877512
2002	40.4680028203034
2003	45.1033979531562
2004	48.42689228832342
2005	46.36289333155023
2006	48.84518046029071
2007	50.562679794818585
2008	47.98017499062893
2009	42.17538719476768
2010	41.48156204481949
2011	44.50567354613823
2012	45.85860455590913
2013	44.02225475841874
2014	41.56383180179178
2015	41.68569922273653
2016	41.515880797456695
2017	44.407924945986046
2018	46.04722157013652
2019	46.992572750517475
2020	43.16184577076317
2021	42.330864652257986
2022	45.919948717587474
2023	47.80161201265794