Year	% of GDP
1960	41.69169852539596
1961	37.38819320214669
1962	34.57085094651718
1963	41.34578412524032
1964	43.272283272283275
1965	37.26329728536747
1966	36.81756839651577
1967	35.93971910998896
1968	29.263489562820006
1969	29.985897721368666
1970	30.662793603198402
1971	31.024676363420923
1972	30.08534652914848
1973	31.696272204153114
1974	51.664828114095315
1975	53.71424264123921
1976	45.08546371148167
1977	52.95192389675879
1978	53.83938258715634
1979	69.46426306443429
1980	73.3830375629879
1981	74.45957742953598
1982	64.20199501246883
1983	57.14285714285714
1984	52.53164556962025
1985	46.11260053619303
1986	36.054421768707485
1987	35.33980582524272
1988	52.5974025974026
1989	50.12987012987013
1990	52.92275574112735
1991	62.84444444444445
1992	59.309849029475195
1993	55.927835051546396
1994	50.62857142857143
1995	50.245098039215684
1996	46.9485614646905
1997	43.73824746145167
1998	41.92762700069589
1999	38.36150845253576
2000	39.01793590120553
2001	39.81042654028436
2002	40.987067827922935
2003	46.17964071856287
2004	57.81990521327014
2005	62.95264623955432
2006	61.518536506394696
2007	65.07787325456499
2008	71.68062534896706
2009	56.55344463634619
2010	47.936350074589754
2011	45.2556341623514
2012	40.71176927210844
2013	40.37303805633197
2014	36.92018779342723
2015	34.84594296002291
2016	30.246549051450504
2017	42.832134358160786
2018	45.911019673395906
2019	41.12401715511079
2020	32.12625556675226
2021	29.856973480812233
2022	36.98310487727128
2023	40.45040077200307