Year	% of GDP
1960	23.02994190376881
1961	21.92588433464346
1962	22.076079948420375
1963	24.719648951730864
1964	24.74835886214442
1965	26.81608178511747
1966	30.075461405582328
1967	30.546731315833476
1968	31.617192331478044
1969	30.868261162555306
1970	34.107883817427386
1971	30.506155950752394
1972	28.206726538401405
1973	33.09589222443245
1974	44.079265345577575
1975	39.679715302491104
1976	38.16765720206444
1977	39.26325664160697
1978	39.870253452617646
1979	41.74248931639666
1980	45.24859913878585
1981	41.75006525972062
1982	30.320944918663212
1983	31.912968295796617
1984	34.34835476516495
1985	32.70950540712932
1986	30.15506069861517
1987	27.516540678846805
1988	30.903094584857133
1989	35.78033623933449
1990	39.29201376424898
1991	40.797742372636705
1992	42.847847304146825
1993	47.57735449903427
1994	55.80432557428039
1995	54.01375472159844
1996	60.69144296430474
1997	61.845711512815335
1998	64.25391039945882
1999	67.19714566242573
2000	66.41998158534778
2001	64.56137150732546
2002	65.26687239580511
2003	68.15424968036197
2004	77.03877528907326
2005	77.4839263031749
2006	77.07719305049253
2007	81.56162337862509
2008	84.42367850546209
2009	57.37475519913856
2010	63.68293204493361
2011	70.9592159217832
2012	70.28541698664861
2013	68.36455892796344
2014	65.41244255468987
2015	62.097647897982036
2016	57.10161216917422
2017	58.71925624260448
2018	62.09634565412719
2019	59.24101425486244
2020	52.12571628059142
2021	64.00724509999294
2022	70.25934311907005
2023	60.94290361016989