Year	% of GDP
1970	14.831981460023174
1971	14.989244007375538
1972	15.687799043062201
1973	17.881449825894272
1974	15.5855898729358
1975	18.818321626002742
1976	19.545612526752887
1977	19.222371905049474
1978	21.793303369591236
1979	19.310497727524663
1980	16.919490799147084
1981	16.173472170578705
1982	14.987014598359771
1983	12.5296821328752
1984	15.176896703595158
1985	14.463596612887294
1986	13.381586816351618
1987	12.085525667453798
1988	12.70120857104399
1989	11.991317379954426
1990	12.558489186639738
1991	14.484023714183433
1992	16.31557018745248
1993	16.664383318883353
1994	14.8514771414085
1995	15.533527147692599
1996	16.176368742665634
1997	18.96895134815545
1998	23.1532159881584
1999	19.09732269681852
2000	17.887478962632926
2001	13.926773220224323
2002	15.649646961839261
2003	12.663922670009859
2004	11.687121020690727
2005	12.990846906531017
2006	14.296679671822044
2007	16.139593687329373
2008	17.248717146233474
2009	16.47926079600788
2010	16.572245345165143
2011	18.965625630895154
2012	18.362877243426134
2013	19.06008182820126
2014	20.98204961615809
2015	21.37105961402199
2016	20.67048418760634
2017	21.268355346324906
2018	20.16608925167855
2019	18.975259955360478
2020	15.572138670742577
2021	16.630311186342226
2022	16.842054105005644
2023	17.529819769100314