Year	% of GDP
1960	26.467224462770123
1961	26.391259815636737
1962	25.83764335507083
1963	25.655158069883527
1964	25.834078396310762
1965	26.706333807614367
1966	26.942006398162576
1967	26.062322946175637
1968	27.053305488034514
1969	26.38536927915
1970	27.085760737027503
1971	26.317744971762608
1972	25.754820751116796
1973	24.755118426334803
1974	24.503826910970478
1975	21.119921409023927
1976	21.26385756106925
1977	21.35068552955729
1978	22.032591520874185
1979	22.76696617291644
1980	22.834516982141263
1981	25.012142453957125
1982	25.765252449433344
1983	23.058201169936435
1984	22.23823741377535
1985	23.04210280473046
1986	24.015302817144367
1987	23.836313920231323
1988	24.344983547564176
1989	25.594460661190688
1990	24.40776387155759
1991	21.27920331502621
1992	19.555556605578932
1993	20.10755907532512
1994	20.737616558546627
1995	21.917692186686995
1996	21.16645776973698
1997	21.061500184132285
1998	22.37220826827778
1999	22.494278771387265
2000	22.930128539825013
2001	20.192903045227467
2002	21.32524991869876
2003	23.183058816497905
2004	23.92022118092002
2005	24.1696400206604
2006	24.819800217090094
2007	24.42014539637822
2008	25.005828103581717
2009	24.22102975882344
2010	22.79886014899021
2011	22.221885439054425
2012	23.743313797762873
2013	24.559252526106626
2014	23.667636643235117
2015	23.053203203234006
2016	22.09271484855353
2017	20.43443762511524
2018	20.605650876538604
2019	19.405633314564508
2020	18.678543463210183
2021	18.55530731231399
2022	19.13102102201206
2023	19.254279587760244