Year	% of GDP
1980	32.584578944595
1981	34.30517862391518
1982	31.01601750415498
1983	31.065288443192262
1984	27.288973491399325
1985	28.035735152540227
1986	27.96602400318024
1987	25.709928350745532
1988	23.374259059628066
1989	26.362241410684884
1990	18.13197764663618
1991	-17.099908107101015
1992	-86.91212363837896
1993	-38.491641087267865
1994	-15.806121399801237
1995	-5.416463107946265
1996	-3.5910264117311033
1997	-8.371868624065868
1998	-5.460706564669688
1999	2.4072688088657648
2000	7.572760520272387
2001	11.164499360190542
2002	8.630179821587108
2003	8.571144011402636
2004	11.584742752719425
2005	12.023283836734592
2006	11.84963362303563
2007	7.755646651365884
2008	6.52730975796631
2009	8.071159575360848
2010	10.733302679396118
2011	10.726400558501151
2012	11.188303517903138
2013	8.94513252442682
2014	7.760777034411831
2015	8.194604781263704
2016	7.76962320005922
2017	8.893571616078182
2018	9.605717542235784
2019	8.652822662420256
2020	7.504548108039284
2021	11.43945244485498
2022	14.046801035757191
2023	13.44445910021825