Year	% of GDP
1974	2.70592080687337
1975	3.4921890448882698
1976	3.42186762528529
1977	3.20608920239654
1978	3.1631935285324904
1979	3.02025891948266
1980	2.91721769056258
1981	2.88462200140382
1982	2.9019282697112603
1983	2.39812942040375
1984	2.28542025922011
1985	2.1705993536979498
1986	2.00976539562951
1987	1.7221876700614198
1988	1.53084105893772
1989	1.38913634136564
1990	1.41049291967411
1991	1.3240641839588099
1992	1.35687600701146
1993	1.22355780893698
1994	1.26615561718382
1995	1.2263098606423601
1996	1.2643925282780801
1997	1.49774173762735
1998	1.0191168438740499
1999	0.810812654015076
2000	0.6844837635004349
2001	0.572792652704213
2002	0.7001202088010411
2003	0.9092850367736519
2004	0.9457146217272181
2005	0.7507893940049309
2006	0.65870277762871
2007	0.71236193115127
2008	0.578945804493387
2009	0.571133891996423
2010	0.617587091951932
2011	0.653776702606807
2012	0.711549473406383
2013	0.9187698391830659
2014	0.777855178232831
2015	0.8822667344812389
2016	0.792220213496852
2017	0.8651913762219919
2018	0.718928190476345
2019	0.728563743551525
2020	0.8865840448749329
2021	0.74178636312329
2022	0.702587599419717