Year	% of GDP
1960	20.963520811181258
1961	29.899307169911086
1962	20.753860475721318
1963	17.986626123035183
1964	24.099249194574483
1965	24.50296837435141
1966	22.205774432272513
1967	23.7135673796952
1968	22.77123692233702
1969	23.990597020984268
1970	25.30577799467697
1971	23.512307919204563
1972	24.25143470863602
1973	22.79698161159162
1974	22.873893064587715
1975	29.28621613339964
1976	33.98323231600712
1977	33.23118706096071
1978	30.69314738212117
1979	26.037966296358285
1980	23.83605680626569
1981	22.24020775370437
1982	24.32444800366091
1983	24.203123572929034
1984	22.79750164365549
1985	23.051837888784174
1986	19.299686501537444
1987	19.85230774505728
1988	21.959806234355586
1989	21.993562042264575
1990	19.725197989381137
1991	16.23401501857359
1992	15.167803750012022
1993	17.283658956359037
1994	16.8911906463642
1995	18.089755621159025
1996	18.97459468546269
1997	18.611614770247797
1998	18.45186881006997
1999	16.134523477813087
2000	16.883796888675818
2001	16.931741377593887
2002	25.86632884381598
2003	25.364136793563347
2004	24.553863082697625
2005	24.828746617576382
2006	24.3003965721413
2007	24.47944319620163
2008	23.29190326392086
2009	21.11795556588696
2010	20.602167347358915
2011	20.090722203427397
2012	18.451163082225776
2013	17.206196676033024
2014	17.66704453780498
2015	15.995782896086707
2016	16.623530348526973
2017	15.563532756444232
2018	14.724720556381993
2019	17.429172109061653
2020	17.422285808105357
2021	21.271425818943662
2022	19.082691963347035
2023	17.049932017398607