Year	% of GDP
1960	27.00896887979293
1961	27.381358825537728
1962	26.52912075556555
1963	26.793885191347755
1964	28.65276928144558
1965	28.439615401198637
1966	28.016569600524978
1967	26.73190831831058
1968	26.738334075113833
1969	25.246542301468565
1970	26.15363771846633
1971	25.554839988110572
1972	24.758120636630974
1973	25.132476916900842
1974	26.322852125509428
1975	28.970598554487403
1976	26.863272064116718
1977	28.631123769529015
1978	28.17776847074949
1979	29.624171585923488
1980	32.298754940124205
1981	31.603854080520875
1982	30.325207412841117
1983	29.175553819187805
1984	28.54094325318458
1985	32.489437143039126
1986	33.00954126048906
1987	32.51162027287997
1988	32.56596379231726
1989	32.06544022809042
1990	32.15335005374418
1991	32.19004095627238
1992	33.04525942008784
1993	35.40017243669254
1994	36.45927764240449
1995	37.70404520758461
1996	38.23305335473346
1997	37.98083227794095
1998	39.99270246419116
1999	39.02979541883575
2000	40.93521097855054
2001	44.21870449899774
2002	41.449092202219326
2003	40.20156691254476
2004	37.009613593044236
2005	39.16074697279786
2006	41.55944717057579
2007	42.00802003263476
2008	42.84677640173309
2009	45.74086302886936
2010	40.51063301290037
2011	41.837351117364314
2012	43.14902468731094
2013	41.25019106374537
2014	42.44302820225106
2015	41.59428041407419
2016	40.79464186683513
2017	41.94220912163276
2018	43.34707849379353
2019	45.74896335566106
2020	44.14304559412032
2021	39.702360236315656
2022	45.136744440410915
2023	48.08267752812323