Year	% of GDP
1977	-9.90060378256554
1978	-16.727638515497283
1979	-18.028995448067743
1980	-10.268158035851142
1981	-11.078457324671088
1982	-4.981044713174433
1983	4.293377344113943
1984	0.599904987979776
1985	2.017842279787286
1986	11.054734080395098
1987	10.02409714845755
1988	7.689764273106222
1989	12.108364585088749
1990	6.853666830640827
1991	-20.349328988390905
1992	-39.67819887391437
1993	-28.306141491985255
1994	2.6066388371302547
1995	4.1497070693313
1996	4.912919707694248
1997	3.1972051109247404
1998	7.45507593548311
1999	-7.357228183330869
2004	-6.414946416541407
2005	-9.969351297922675
2006	-15.338314413650247
2007	-7.97773344777515
2008	-8.458196413026311
2009	-1.7841761422502982
2010	-9.048698842052394
2011	-10.918684975652376
2012	-0.9965919607941675
2013	-5.607107030510412
2014	-5.8318331132553425
2015	-1.542157717460135
2016	-4.554023573625805
2017	-1.0702755445141683
2018	2.689085138609884
2019	3.7322365053779567
2020	-8.715821982032775
2021	-13.553732218445191
2022	-10.406204485395323
2023	4.979239111726712