Year	% of GDP
1976	5.497235707564915
1977	6.935098675553765
1978	7.1096095328065445
1979	5.93287029217792
1980	4.365071325866901
1981	3.978469906974174
1982	3.692253371406125
1983	3.621227464540259
1984	3.2301633909917604
1985	2.9420567342660338
1986	1.848333452412898
1987	1.7224225443457999
1988	1.6678286848032302
1989	1.5107131456218374
1990	1.4055996242340307
1991	1.1381259174306113
1992	1.174635286124651
1993	1.2049866090600028
1994	1.0944317872317155
1995	0.489547079588241
1996	0.492645635524939
1997	0.4993275821278481
1998	0.47107625597915825
1999	0.47369952725589387
2000	0.45050258540500876
2001	0.7487122910252536
2002	0.18091405918580514
2003	0.2186917091391617
2004	0.44681972047159524
2005	0.5686260660655242
2006	0.5206606258829993
2007	0.5931720468352987
2008	3.406833649043982
2009	2.2781306547444604
2010	3.340065634498123
2011	2.678975706573886
2012	2.3999140837696853
2013	1.7988505759420597
2014	1.3910674269868306
2015	1.4960277820424885
2016	1.8605227792304617
2017	2.0240825887692298
2018	2.036121084519632
2019	2.0636692452569942
2020	2.250124164665951
2021	2.127021445836651
2022	1.7862488769585971
2023	1.8616414041157128