Year	% of GDP
1960	32.43316781171349
1961	32.272985474316314
1962	29.69368439167097
1963	27.068813586477606
1964	26.641268113477107
1965	27.358708189158016
1966	24.943082543548474
1967	26.306989187381564
1968	27.251877759302793
1969	27.06146162470696
1970	24.928718691055842
1971	24.44543937482193
1972	24.811941701927598
1973	24.250780059502215
1974	24.143296672207093
1975	22.68794209573943
1976	22.60590242923108
1977	24.310769230769232
1978	24.60446135498931
1979	22.342597283018712
1980	22.308375648170216
1981	22.71406745641086
1982	22.59369102710226
1983	23.203253989492698
1984	25.52931556625333
1985	29.353320185424188
1986	29.847074346466172
1987	30.360757403628334
1988	31.23777118769934
1989	32.8924312398331
1990	32.382773110211446
1991	34.478536877422
1992	35.55580571533227
1993	34.515996130523455
1994	34.36265612039433
1995	33.65293801156184
1996	33.57027126834449
1997	35.00567727061917
1998	37.04332902280985
1999	38.57534808943312
2000	39.787655167028866
2001	41.22312630868009
2002	42.24794475438896
2003	42.028216185608905
2004	41.18314016648829
2005	41.33592591678994
2006	41.81684190683736
2007	42.86966500939599
2008	42.85977979077759
2009	44.40666719932563
2010	44.176991921513384
2011	44.29305673463117
2012	45.46330538759899
2013	46.88040150152828
2014	48.27094049434601
2015	50.77164514848277
2016	52.362090962953104
2017	52.68473653423992
2018	53.26996792341521
2019	54.26890426636677
2020	54.458535745937866
2021	53.46821052718591
2022	53.35056826293824
2023	54.59684494939639