Year	% of GDP
1978	4.437521802217243
1979	-5.063550396608055
1980	-11.294585426574384
1981	-0.7836488589042262
1982	-9.50220229475025
1983	-2.1266963023513106
1984	-0.7406036589655435
1985	2.54048110415585
1986	-6.3391409604657
1987	-11.525778800712658
1988	-8.364053130768237
1989	-13.81310980744837
1990	-9.799842832709306
1991	-17.929190163362602
1992	-8.69443556124082
1993	-15.324114199966374
1994	-19.53344935251061
1995	-12.721220787135792
1996	-9.938325400549694
1997	-23.17195254425015
1998	-24.701368993923296
1999	-17.362124860181613
2000	-6.880167471984999
2001	-5.532373098734794
2002	-3.6476829821597105
2003	-8.40936238282576
2004	-13.311307140912767
2005	-14.032989246926016
2006	-16.458019351662877
2007	-21.37182007869964
2008	-31.388747610418765
2009	-25.675750147800695
2010	-26.325473685660082
2011	-22.332258031627138
2012	-25.302753004980598
2013	-24.726651776758807
2014	-25.207679947511487
2015	-15.581282480768358
2016	-13.083380397797084
2017	-11.894671010442142
2018	-10.303796247272842
2019	-2.3874056331860487
2020	-15.811108717315792
2021	-22.600851051567847
2022	-19.325215843466108
2023	-13.392841735867453