Year	% of GDP
1970	31.955300121720644
1971	31.969543292102752
1972	48.11059907834102
1973	37.55431409062694
1974	51.7621737960721
1975	62.67301038062284
1976	73.4946460853845
1977	58.070124601564764
1978	35.01483679525222
1979	32.91964008687558
1980	27.538155275381555
1981	36.35064316341115
1982	35.01556060223736
1983	35.18532848409812
1984	32.964914535406756
1985	41.99266911029657
1986	46.3646390090778
1987	26.36114776114714
1988	37.474827144105355
1989	26.304754773493073
1990	21.67715660866346
1991	26.4680317687759
1992	22.4251144731331
1993	22.44852418933396
1994	21.86759487080972
1995	23.303166624919196
1996	24.848941595715463
1997	30.76131384323438
1998	39.557656729678634
1999	26.168581866945317
2000	21.90205642702733
2001	22.745469074983937
2002	25.107097639109572
2003	22.639101475649298
2004	21.49605176969942
2005	21.364532301469165
2006	24.045196261557525
2007	24.878694050686907
2008	25.089897427176677
2009	27.981113361030985
2010	29.701113805534906
2011	26.64238956098649
2012	26.966149964162245
2013	29.180595027999757
2014	35.139048603290746
2015	29.230956292490166
2016	26.982261043107542
2017	21.298608436791337
2018	19.258232428411386
2019	21.898796572231944
2020	19.899425997706864
2021	16.78918348278791
2022	15.566410306570255
2023	17.059188353384094