Year	% of GDP
1970	-0.21618117616063107
1971	4.113317171612135
1972	4.0417333498592045
1973	2.1998373741154564
1974	5.154719275956292
1975	7.735472104238755
1976	1.2859663632040048
1977	1.2422806507870225
1978	2.3664688402764487
1979	1.8166304662669184
1980	0.7365627059198828
1981	1.4130538374979826
1982	3.6411809268781647
1983	3.297995821190567
1984	0.22811977905939487
1985	0.4518493838288741
1986	3.239161792577997
1987	2.736489906748698
1988	3.456790121618362
1989	-0.7293148622316198
1990	1.234110823358645
1991	-1.010365431490752
1992	2.269871511198132
1993	-2.5970497408274085
1994	-2.376692856831726
1995	-3.942388494638566
1996	-5.007209555146322
1997	-2.1534849300267385
1998	2.957693763983901
1999	1.918355873906449
2000	5.473125243553497
2001	-2.0029889471711093
2002	0.021754642454942765
2003	1.5305226203408568
2004	4.040694241793937
2005	3.403623395969177
2006	2.5931004678265865
2007	5.257222354651187
2008	4.453765169547274
2009	5.247570979490211
2010	3.645404176214035
2011	6.169785457804633
2012	3.9447237122541514
2013	1.8415386569851175
2014	6.93864724297156
2015	0.28997698560418833
2016	8.86815381799839
2017	8.801570256888944
2018	8.175989389926055
2019	9.204098352760626
2020	11.208350626922462
2021	7.563681366657519
2022	5.242054426790062