Year	% of GDP
1977	0.013384847677055924
1978	-0.018200988556173914
1979	0.007037399568775408
1980	3.221764021603754
1981	-0.9594279780150603
1982	-1.8928341572110705
1983	-0.9253129466303676
1984	0.2884617249666927
1985	0.681167254949948
1986	2.4682034997263904
1987	0.4175183062619308
1988	-2.4466234452534787
1989	0.06078320028077353
1990	0.059400912210426364
1991	0.029702123521609437
1992	0.022011354138961513
1993	0.1092859696394243
1996	0.10516516157597113
1997	0.056691649074492374
1998	0.060982215099741104
1999	0.03725454891704753
2000	0.935209498518653
2001	0.6793026193057192
2002	0.22825754222396458
2003	0.41028082297812557
2004	1.070215465337571
2005	1.6152166132097308
2006	1.933202512797892
2007	2.4594399320483973
2008	2.0671673291742887
2009	1.7176112374524815
2010	2.1753668140295153
2011	4.489391949157201
2012	0.767326207807088
2013	1.6097483398145362
2014	8.113070803821655
2015	1.5122109055924984
2016	1.4020249624450962
2017	0.19494162177642071
2018	0.5030691148274171
2019	0.863021866457906
2020	0.14442614596880723
2021	0.152090929898649
2022	0.4517278935071687
