Year	% of GDP
1970	0.1704627676615207
1971	0.23989070930858958
1972	0.15082793166932795
1973	-0.04320626276843953
1974	-0.999076389606703
1975	-0.0949196443896767
1976	-0.590848073566395
1977	-0.6163095523796329
1978	-0.11673412460018895
1979	-0.8888827587214045
1980	-1.1855014281278002
1981	-0.5761968335381376
1982	-0.5601410053946978
1983	-0.4764914502775355
1984	-0.6623342193427284
1985	-0.6106209032887371
1986	-0.31350247532344255
1987	-0.48809090168531455
1988	-0.4005845594428763
1989	-0.5605657532686976
1990	-0.4779912704794853
1991	0.10207650389453349
1992	0.2924180714292106
1993	0.6613307332161185
1994	0.5691248995763658
1995	0.5945122935508422
1996	0.4867841123556431
1997	0.6324768566204533
1998	0.5155828129619522
1999	-0.06770565389307492
2000	-0.6402354881221584
2001	-0.6140366642195261
2002	-0.4872526428767756
2003	-0.6179343649381863
2004	-0.5778052007767229
2005	-1.0079712549942421
2006	-1.1396268482978762
2007	-0.731728733730094
2008	-0.9562243045786865
2009	-0.06594402764886098
2010	-0.21437650562739563
2011	-0.37352513893463524
2012	-0.15401117692494282
2013	0.16270972581828858
2014	0.2563769000097409
2015	0.334985760520091
2016	0.5418928407569616
2017	0.4991501155474545
2018	0.27918805868823426
2019	0.29979589584395683
2020	0.12724132434880175
2021	0.06288947596127059
2022	-0.991278830446948
2023	-0.2941767024476931