Year	% of GDP
1970	1.8868617495721784
1971	1.2395830076267689
1972	0.8167573781062434
1973	1.0843285746593905
1974	1.6180223630425852
1975	1.4867099166860165
1976	1.429027389804927
1977	0.7309693403027581
1978	2.5249446831472127
1979	1.449837322739062
1980	-1.6965623491208504
1981	0.6732131939378583
1982	0.3615853463698886
1983	0.1705367308983984
1984	0.5385709044498618
1985	-3.6127139120665674
1986	-28.624255729029734
1987	5.970179554017887
1988	-2.1883051715253963
1989	2.3962537430090194
1990	4.9926873800979426
1991	0.9619897955791964
1992	-0.8233921903283635
1993	-0.9707080867142618
1994	-0.3151811901998478
1995	0.8368627931110987
1996	0.0704999668239503
1997	0.21171417484971677
1998	0.015599153457568526
1999	0.0796555005207353
2000	6.133420203635462
2001	0.9150791760080311
2002	0.8423481377509318
2003	0.6289800510554435
2004	4.2758064506474325
2005	5.576423584246353
2006	3.1614107135121348
2007	4.489165826788885
2008	2.165469442556872
2009	4.565089688762448
2010	9.247068741738767
2011	32.41435456207979
2012	19.06570158920258
2013	8.73241057514887
2014	7.479084983260886
2015	5.936831767330129
2016	3.585800261656931
2017	11.123289954660082
2018	6.130698672940366
2019	8.399200047371592
2020	4.250631620058658
2021	4.9959394467039715
2022	7.179533227368784