Year	% of GDP
1980	2.316304801919116
1981	1.7704679914664638
1982	1.4042648434478862
1983	1.5294440044436257
1984	1.4263455327756
1985	1.201934791011987
1986	0.3753170838565777
1987	0.4572011081914182
1988	0.5722613292348853
1989	0.7895779073076356
1990	2.747359027595051
1991	1.69328605948492
1992	2.067432374119528
1993	2.80689184843757
1994	5.656046758294243
1995	2.911980989036482
1996	1.5410304401686385
1997	1.272812968629925
1998	0.7947957220822726
1999	1.3362054573366118
2000	2.557280990354252
2001	2.128621869089749
2002	2.1392838027602896
2003	2.2273502401810923
2004	2.8916075419405103
2005	3.9061761538015496
2006	4.116874961579677
2007	3.7917006405632954
2008	5.284668007937072
2009	2.572121549045586
2010	3.1650794815038723
2011	4.682700206756676
2012	2.219645662971195
2013	1.6865607878279025
2014	1.3556064980658795
2015	0.4278254080910642
2016	0.22034827392459705
2017	0.39288041208985647
2018	0.6517357032274775
2019	0.5355757552080442
2020	0.32513836668396695
2021	0.6215174314109233