Year	% of GDP
1960	49.95341709488232
1961	49.39443926185582
1962	33.59181215914124
1963	39.2329508580582
1964	40.56377379453907
1965	37.060075064131986
1966	38.22135264515885
1967	38.16574162939027
1968	36.95458710539673
1969	38.39362573843555
1970	42.303398060307
1971	44.50539486024636
1972	43.128307955044775
1973	50.85719637377089
1974	69.00871199769533
1975	71.64968110362602
1976	66.02168496867148
1977	67.2336443368707
1978	59.91665005536975
1979	63.90096097942183
1980	65.34950324927559
1981	66.28072026885758
1982	61.545589136441215
1983	52.75159730958745
1984	48.460034208178875
1985	44.573298730774994
1986	33.60028807822736
1987	35.47963642455268
1988	41.37145034420108
1989	47.715629503602656
1990	48.16122301633813
1991	49.85398617248908
1992	46.58950538875448
1993	46.90701287538142
1994	44.4444207548273
1995	44.28867463486247
1996	42.8072348865819
1997	55.8423239862504
1998	55.87436137922107
1999	58.18019888389074
2000	60.90368714346304
2001	60.176019689716234
2002	62.844393391645596
2003	69.96882270029029
2004	70.47676470607753
2005	73.4845247255139
2006	69.36881396640815
2007	68.37000590172957
2008	71.77858190488249
2009	62.65487475518475
2010	60.617859422531204
2011	58.856249645695954
2012	59.21743154405337
2013	58.81462951301257
2014	56.140326838784794
2015	51.33866566800739
2016	47.570405021220225
2017	53.43077148055083
2018	60.44372666339281
2019	56.89840387564283
2020	47.53303909336809
2021	53.495452222695526
2022	60.335775445697735
2023	61.74969894949426