Year	% of GDP
1970	0
1971	5.85617257238479E-05
1972	4.88711284342654E-05
1973	4.69051355815947E-05
1974	0.000123051812673345
1975	0.00478403605491538
1976	0.00457300414895603
1977	0.00335672566559111
1978	0.00045544692006552
1979	0.000915298904034869
1980	0.00229381645406384
1981	0.00767190266235558
1982	0.00720565862191102
1983	0.00261957785897072
1984	0.000814209459364718
1985	0.00133240999007354
1986	0.000153460620504209
1987	1.45140041589358E-05
1988	2.02960815674808E-05
1989	2.70775313048168E-05
1990	0.000247675413941216
1991	8.79002658539598E-06
1992	4.32744429704362E-06
1993	8.3045656009386E-07
1994	1.04626326573123E-06
1995	3.47044118484074E-06
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0