Year	% of GDP
1970	0.12221157446101294
1971	0.057042355251373474
1972	0
1973	0
1974	0
1975	-0.012461052367697656
1976	0.03781932327449405
1977	0.03305170213742135
1978	0.039774114871151206
1979	0.004448377638262443
1980	-0.011881286971186927
1981	0.42502297106168485
1982	0.6511351343673247
1983	0.3084164069648083
1984	0.07909414602096418
1985	0.33367991871637703
1986	0.3564528330998038
1987	0.3908615054465237
1988	0.28118821741747696
1989	0.20980765652102756
1990	0.32337899321631003
1991	0.46889194405370277
1992	0.7335218233724832
1993	0.7750792621859494
1994	0.8219889121177092
1995	0.7819400248757569
1996	0.7118412927657134
1997	0.7762954985890533
1998	0.9364742435174372
1999	0.6857259819799041
2000	2.4517815851180487
2001	0.5104882112999304
2002	0.7842596474791013
2003	1.588500636656282
2004	3.2441222140376382
2005	2.0024612326463536
2006	9.72953648615495
2007	4.675034399113189
2008	3.2690179013525555
2009	0.826107308471585
2010	3.3324650216478466
2011	2.774035217749475
2012	0.867614634099466
2013	1.295860005642766
2014	1.4397286634096569
2015	3.6149913954351387
2016	4.526008601940957
2017	2.128122068182517
2018	1.6158048617903165
2019	2.15894076857078
2020	1.1079744051874512
2021	2.122545865208845
2022	1.9517623290733754