Year	% of GDP
1970	30.391054661216838
1971	30.63747859181732
1972	47.465437788018434
1973	32.46431409062694
1974	42.0500403551251
1975	55.839100346020764
1976	60.56181337783341
1977	48.97131266299623
1978	41.54302670623146
1979	31.5079118833385
1980	26.67551426675514
1981	33.07289185326346
1982	32.340819244679956
1983	36.32283525497176
1984	31.300604035471018
1985	40.873042319226926
1986	46.101637397132436
1987	27.628510611564174
1988	37.93888455536244
1989	26.027704979408462
1990	21.448846106380355
1991	26.11860278926467
1992	22.063691479875157
1993	22.889393254683704
1994	21.07219786042803
1995	22.67695460164835
1996	23.4619599972535
1997	30.150204518992634
1998	38.41209907372401
1999	26.168581866945317
2000	21.90205642702733
2001	22.7451924801877
2002	25.10644310754705
2003	22.638812828435512
2004	21.49601272180425
2005	20.981502009954077
2006	23.16961738902866
2007	23.64492695643218
2008	25.025882592815197
2009	29.528524960448433
2010	31.407185324382926
2011	28.680217000561765
2012	27.737282233055048
2013	29.94537965325866
2014	35.695136410141856
2015	29.230956292490166
2016	26.982261043107542
2017	21.29646741618295
2018	19.258232428411386
2019	21.898796572231944
2020	19.899425997706864
2021	16.78918348278791
2022	15.566410306570255
2023	17.059188353384094