Year	% of GDP
1980	1.6073683831876389
1981	1.1674956171427686
1982	0.6080076813451064
1983	1.2945260086453327
1984	1.6070727222274304
1985	1.952073378224061
1986	0.5584061362830235
1987	1.0794185898903452
1988	0.7691812169960656
1989	1.3550535985561154
1990	1.532647240779043
1991	0.7309025387893404
1992	1.1182178813865147
1993	1.0573052197564665
1994	0.965125845575726
1995	0.9790777642103624
1996	1.1614488513575718
1997	1.1206805384690666
1998	0.5580996886335697
1999	1.0368054357895857
2000	2.4871831945257346
2001	1.8663206259908338
2002	1.8628363498667342
2003	1.8035615196900425
2004	2.945690217388593
2005	4.372770914126513
2006	4.86988660781516
2007	4.647665192218546
2008	5.442877010353007
2009	2.505710226272873
2010	3.428508691985225
2011	4.489203583710436
2012	2.9500710991397714
2013	2.4076148073774313
2014	1.8412914566073146
2015	0.7081904983696578
2016	0.6136117462057673
2017	1.1055832552929186
2018	1.8449875612158233
2019	1.6133581472716603
2020	0.894794542473255
2021	1.753003726902841