Year	% of GDP
1960	11.847937265598363
1961	13.552043971143938
1962	16.451770850334587
1963	19.02654867256637
1964	18.761451080982045
1965	18.386740331491712
1966	18.102462849423258
1967	16.37984019668101
1968	16.370769985286906
1969	13.594223569263683
1970	17.50781976498436
1971	20.748745658047085
1972	21.526019690576653
1973	23.639374031939326
1974	28.488931665062562
1975	23.379007701952357
1976	21.844400925761082
1977	23.846629560915275
1978	26.669482130602333
1979	28.913923832500434
1980	30.421325129436482
1981	34.98689531876486
1982	37.31369510695059
1983	37.570268582136165
1984	33.56002514142049
1985	27.580999096424424
1986	25.98541777243903
1987	23.081951039033115
1988	26.361372740067125
1989	29.870858000817236
1990	32.360326164543466
1991	37.79047393505225
1992	35.3625515987311
1993	39.183711395286714
1994	41.20208123359647
1995	43.63990237017526
1996	41.479198524427346
1997	42.973083269752834
1998	26.67497519797488
1999	22.382000505379633
2000	26.86748914845918
2001	24.39821997339603
2002	24.777343148588383
2003	22.76338506431947
2004	23.049564601053056
2005	22.39641780940362
2006	22.70352422316952
2007	23.409534974599453
2008	21.458304381199277
2009	17.835694957053096
2010	23.38654109764144
2011	23.18825796587378
2012	25.74862136706025
2013	25.937106695961376
2014	24.977608426281336
2015	25.42426327714199
2016	25.995511999400396
2017	25.54734345151875
2018	23.89741996087631
2019	21.04824039448149
2020	19.658008228154237
2021	22.10677484043285
2022	23.506177880086483
2023	22.52893877459774