Year	% of GDP
1970	0.127859051822512
1971	0.05977682559490257
1972	-0.01708153306876388
1973	0.942522369129364
1974	2.1148362356571697
1975	2.347900830928631
1976	3.094527556352944
1977	2.261540960590931
1978	3.0644972182640653
1979	-0.128445565186633
1980	-0.04162623420779329
1981	-0.012543652505491268
1982	-0.014382111075832149
1983	-0.010811904261091349
1984	0.9994808289582081
1985	5.193269448738665
1986	2.640921062773133
1987	0.7015540731535882
1988	0.08695869483372241
1989	1.3070728380526022
1990	0.5406631744634441
1991	0.22585060602236495
1992	0.10419392630421631
1993	1.0361106799426603
1994	2.2947811319074822
1995	2.2554202430107138
1996	2.4553636751434103
1997	2.8674978883533777
1998	1.2435091703837262
1999	1.598057806408832
2000	8.294696457858608
2001	26.879514406869077
2002	46.275241273497016
2003	25.98292033559977
2004	10.554119957711471
2005	-1.4940280419691132
2006	-3.747815169679078
2007	-3.718495699657408
2008	4.48468784976405
2009	4.035205713999695
2010	2.9339797688703793
2011	2.3159123174559135
2012	4.688089517432034
2013	4.015898026014438
2014	-4.845830250284991
2015	5.110702976366775
2016	2.423128322104101
2017	3.633673054832264
2018	4.100752939798075
2019	5.007878013845198
2020	5.20459067305281
2021	5.985584689128802
2022	4.953037316532487
