Year	% of GDP
1974	9.954586347579257
1975	-0.23937777481460246
1976	-1.0166580435862358
1977	16.452976536755337
1978	10.300946904195552
1979	13.230301939124944
1980	0.8275981177618432
1981	-21.999983042680512
1982	-31.061746049579742
1983	-11.764801679688391
1984	-14.080180902333172
1985	-19.255937550167143
1986	-16.250953324373878
1987	-11.193173334044767
1988	-10.880794252792258
1989	-11.536014058393768
1990	-10.092379161066479
1997	-6.853428204033
1998	-14.500514824349143
1999	-22.35981734700301
2000	-26.353052188315523
2001	-35.52958405685373
2002	-31.22499510117054
2003	-27.753960068204837
2004	-32.327246142314564
2005	-26.5288051595619
2006	-40.38498063097346
2007	-43.14337324317712
2008	-49.73184395867921
2009	-39.25917910416836
2010	-46.08736079987816
2011	-46.70314361464361
2012	-43.10485177176087
2013	-30.4299465368537
2014	-35.45877843817146
2015	-26.42070096852785
2016	-21.040315202330216
2017	-22.71562902537695
2018	-19.57982599626217
2019	-21.799321548791287
2020	-12.646743615189987
2021	-18.163216018791907
2022	-14.637778972959428