Year	% of GDP
1960	19.30394367080713
1961	22.48235237452231
1962	21.554848275691004
1963	21.63976306313537
1964	24.150267810431068
1965	23.029313713444786
1966	22.93610297499636
1967	21.90186010932143
1968	19.937140376938316
1969	19.811321170025572
1970	20.820596953836727
1971	17.01907183727938
1972	19.407289555938483
1973	18.394656510977438
1974	14.049621065410362
1975	10.995626132386494
1976	22.382274929661637
1977	19.422198198369518
1978	21.038514961189243
1979	21.907063543083364
1980	23.377231112234973
1981	19.24715909090909
1982	20.606924193735203
1983	20.316880621237072
1984	16.81172717490344
1985	18.22218462499935
1986	17.01874250827821
1987	16.68779763129631
1988	17.67806430996123
1989	18.32517401906931
1990	18.96650201253851
1991	18.88982688507471
1992	19.934005502451058
1993	23.121583069898193
1994	22.86586455457032
1995	28.209496076421807
1996	26.07608772338093
1997	26.32551339008326
1998	27.88006340283938
1999	28.387940557115787
2000	29.321714361903794
2001	32.09801707301166
2002	28.967380721164922
2003	27.65788490015796
2004	26.85823414924314
2005	34.396934864464974
2006	38.11192443259214
2007	39.94238265317351
2008	42.6209140325589
2009	40.09279622302296
2010	37.80284267083215
2011	47.420849835689815
2012	48.11092274904673
2013	46.29640272281737
2014	44.51408019680959
2015	42.085996307038194
2016	31.3341501346142
2017	29.99973067243435
2018	32.51463172408839
2019	31.578054491240426
2020	26.27144737621502
2021	27.72400470366311
2022	33.77996727057349
2023	30.982971410459648