Year	% of GDP
1960	39.26014319809069
1961	41.58364823084851
1962	43.136934878407054
1963	43.98750650702759
1964	42.347624282398925
1965	40.41988950276243
1966	38.56385742491946
1967	38.52694120057365
1968	39.705738106915156
1969	37.02085933321448
1970	41.32217431735565
1971	39.027402547279046
1972	37.36286919831224
1973	35.84895582972814
1974	48.07507218479307
1975	45.09672219236969
1976	41.37439914545131
1977	42.634508348794064
1978	43.49099931373067
1979	47.139410649663965
1980	55.042395137690406
1981	58.52324996094631
1982	59.5856163836483
1983	56.488842200897174
1984	52.3607793840352
1985	49.77539692784303
1986	50.201134173254744
1987	49.02509712030585
1988	56.208725776767345
1989	65.3122119487233
1990	72.42213283395336
1991	81.48589443770166
1992	74.62736093229451
1993	79.02017491898673
1994	90.75416579266452
1995	98.02402988227786
1996	90.19083127078964
1997	92.37566315938892
1998	93.74847745575354
1999	96.25952574111263
2000	100.5970802551059
2001	92.9621446541059
2002	91.05092990060358
2003	87.2516829087158
2004	95.00092817604968
2005	90.95566781584243
2006	90.39166599640741
2007	86.29723149066642
2008	77.1687475404215
2009	71.14217858560693
2010	71.01446981741685
2011	69.68224249862625
2012	68.54184084048218
2013	67.09195043461017
2014	64.51873255106679
2015	61.921381548184364
2016	60.12356457144907
2017	63.14343086335914
2018	61.847654082440286
2019	57.75079518508534
2020	55.21024653220354
2021	63.394865315956274
2022	69.71363664037925
2023	63.42500914222309