Year	% of GDP
1970	1.962986250620758
1971	0.17516901352181927
1972	1.259958126196172
1973	0.364039245014245
1974	2.105030219387998
1975	2.5602477201878715
1976	-0.29633965646550936
1977	-0.03716263297254611
1978	0.30584292970931626
1979	0.7759671876732069
1980	1.056092431288198
1981	1.3100313116752622
1982	0.5553189083760682
1983	0.1292942292883007
1984	0.11346497825811955
1985	0.18596774237308134
1986	0.25256457097530005
1987	0.8762737488524454
1988	-0.21967927343636606
1989	-0.5173905307974915
1990	0.5587989408508434
1991	0.973188205098959
1992	1.6495776947639607
1993	2.158787923250715
1994	2.1768123855784256
1995	5.847960416432003
1996	6.409399225292548
1997	9.21807040100919
1998	11.17152806636429
1999	12.196646241927004
2000	8.768309973129377
2001	8.66860569359696
2002	8.557893506439136
2003	2.4423439671829983
2004	0.7457726086967219
2005	-2.4988682454474143
2006	2.4516875612377453
2007	2.7918538574929936
2008	3.0726107475531808
2009	2.4396781456044385
2010	3.1654286764789528
2011	3.5844225137888466
2012	3.913550146140834
2013	5.706622119029127
2014	1.9898248562969587
2015	1.6807278796133456
2016	0.9880801494622591
2017	1.8994932808586198
2018	0.7505247809395789
2019	-0.5297350113119768
2020	-3.0835164826727413
2021	1.4442776111612365
2022	0.006475711471424006