Year	% of GDP
1970	0.07118854187498222
1971	-0.06494089207735496
1973	-0.10493633350776208
1974	0.29472165616895146
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0.8057126180153166
1991	0.9254281139128682
1992	1.3576733658621993
1993	1.1268225600860584
1994	0.03668002527674152
1995	0.3147082483517054
1996	0.6126678680891064
1997	0.10714232495738049
1998	0.39830682624886354
1999	0.5164813824060038
2000	0.2842844720464803
2001	0.5611911624574686
2002	0.3765815849794392
2003	0.8387914149235093
2004	0.17416871468866688
2005	0.5018736537379548
2006	0.38200882775211964
2007	0.47193826976872805
2008	0.1158126359257895
2009	0.044547881266903164
2010	0.12347898350138782
2011	0.2013200144248101
2012	0.607050152931269
2013	0.52417377841979
2014	0.4279377595900353
2015	0.2411247504849282
2016	1.9186199322837973
2017	0.2318293939942216
2018	0.0805473925546218
2019	2.8172409982959703
2020	0.0484539429770136
2021	0.38311165555637106
2022	0.35261927631625595