Year	% of GDP
1970	0
1971	1.18826983142512E-05
1972	4.43133705096737E-05
1973	4.5894152307382E-05
1974	0.000141344338174577
1975	0.000254344099309778
1976	0.000666239881244398
1977	0.00071834606140658
1978	0.000842952383778082
1979	0.00143303389997144
1980	0.010214268646176958
1981	0.00516747575723175
1982	0.0019229421502862686
1983	0.003654193755446828
1984	0.013629760285206734
1985	0.011408684205123195
1986	0.01755139456073482
1987	0.7214797707734749
1988	0.8168067432086906
1989	0.9094521063994606
1990	1.289559129206
1991	0.9095165440141059
1992	0.4895370340328573
1993	1.08181996430029
1994	1.1017970900778307
1995	1.7354727727316819
1996	1.5612994460587528
1997	1.5481062836757276
1998	0.21118364281661822
1999	0.2422082593768539
2000	1.5422796100943537
2001	3.2393250714069746
2002	2.215145790888734
2003	2.048684189130448
2004	1.4262000955285126
2005	1.001229758919221
2006	1.8962381464575089
2007	1.5321611093137508
2008	2.294662405252576
2009	1.788057005675839
2010	1.501845665104192
2011	2.0261260252283675
2012	1.9820634543643059
2013	1.8684298105544568
2014	1.3707447053540533
2015	1.2670573556070144
2016	0.7993145861618768
2017	1.0388734900727021
2018	1.693081331342208
2019	1.1716719162348934
2020	0.5280454691244174
2021	2.834978701852727