Year	% of GDP
1960	37.6784791789478
1961	35.5448417442014
1962	34.959392138259545
1963	34.57635184741208
1964	38.82279694303516
1965	38.63376667037517
1966	36.22958777731863
1967	37.483067592405014
1968	37.21359569785415
1969	37.7132965804141
1970	33.93761410266281
1971	39.21900435437811
1972	36.42192594479267
1973	41.30524888295331
1974	53.727908979442105
1975	53.68203476921649
1976	52.4711330778964
1977	55.90307013940951
1978	52.92442718710887
1979	56.62093324215491
1980	60.3246760247144
1981	41.115067943866165
1982	37.59217583580874
1983	33.83491186949457
1984	37.62185233172862
1985	35.93156458177556
1986	29.655125005938395
1987	31.382800238572884
1988	32.59139715327014
1989	36.251563978670106
1990	25.300641006863493
1991	34.050508900347786
1992	35.05825931456812
1993	34.24986608539616
1994	35.36902951824302
1995	34.476145744272294
1996	35.69985604107218
1997	33.90286336890611
1998	29.603923829793832
1999	42.94029723657648
2000	46.76179635480757
2001	46.585167362278085
2002	46.478970113816544
2003	49.55943162910795
2004	55.97172320710423
2005	56.50700932973458
2006	53.27337882426939
2007	53.07002300914208
2008	54.75563238677201
2009	44.15430066973791
2010	45.54252347178135
2011	52.85612587177517
2012	50.74428780453859
2013	47.057394604712144
2014	40.993422031243846
2015	40.345483961891865
2016	36.82000632187154
2017	41.360139381749605
2018	45.09015236358833
2019	44.34883539589863
2020	36.90499645491396
2021	45.974895531162204
2022	49.216339557270246
2023	45.88862621050965