Year	% of GDP
1976	26.751532692524737
1977	21.63577457064442
1978	20.217695302683495
1979	20.262082953600924
1980	11.596167485393446
1981	13.5259393675843
1982	15.491773939953719
1983	16.829293539563558
1984	18.231855723947056
1985	21.837086515631693
1986	29.317164725210766
1987	29.994662155935046
1988	29.337560048721777
1989	27.356040236677114
1990	26.80698110204619
1991	28.54426865309553
1992	30.00334657451333
1993	28.67826298081104
1994	26.240874680224895
1995	26.187110740539598
1996	26.605580417772046
1997	28.09661286685302
1998	27.562580369279583
1999	26.61135150794131
2000	27.840669332735136
2001	29.631479611551352
2002	28.57028746311335
2003	26.946657356230325
2004	24.126841696309924
2005	19.37148369247111
2006	21.936075897046837
2007	26.4488046747888
2008	20.23894952486358
2009	16.192042714216477
2010	14.823079355101271
2011	12.297437904376022
2012	17.165108444452926
2013	14.424271001550323
2014	12.946381511636595
2015	13.907786458162509
2016	13.04523874558818
2017	14.022317899355704
2018	15.068006096839367
2019	14.013863161390821
2020	8.075145006475196
2021	6.189874971219593
2022	5.599171333317054
2023	16.681752309762985