Year	% of GDP
1960	33.2512594440417
1961	20.414155372125297
1962	15.202414658603091
1963	19.398381862583523
1964	21.002304116465133
1965	23.15852725179173
1966	25.90550903386107
1967	21.468335864444345
1968	22.140684379559303
1969	22.195027202364344
1970	27.47690117928807
1971	27.78006943342632
1972	25.912231810209164
1973	26.672760179964527
1974	26.1273432083451
1975	27.235242578574155
1976	25.284394469345315
1977	25.813939867287022
1978	26.800481697154893
1979	25.70789534813791
1980	24.545653235965904
1981	24.33976651839524
1982	24.03528194759172
1983	24.428126411431897
1984	25.94720888702367
1985	28.18889604186684
1986	26.815749906392384
1987	25.194438065311775
1988	27.51654122467475
1989	30.569625940095126
1990	27.73846966784259
1991	29.688752052865038
1992	29.579387364151792
1993	29.075139803450593
1994	28.664481220536132
1995	27.442993427034295
1996	27.15003529798524
1997	26.282148763930476
1998	24.99819839099593
1999	24.776304101668295
2000	25.280437009726953
2001	26.71944418391337
2002	26.861347319466333
2003	28.38612848110974
2004	29.522669288305487
2005	28.730315021564774
2006	29.032611369797912
2007	30.673821424891816
2008	31.990545903964207
2009	32.35202071239539
2010	33.58188751939865
2011	34.06058256202741
2012	34.5028554817128
2013	34.80930981696148
2014	34.98550647343555
2015	34.97800693489597
2016	34.797121598317446
2017	34.73675178041597
2018	35.57348058061059
2019	35.77035288906652
2020	36.3750160521178
2021	36.50704802108823
2022	35.70923939491852