Year	% of GDP
1970	0
1971	0
1972	0
1973	5.34899596628433E-07
1974	1.15000100087788E-06
1975	0.000322679983377749
1976	4.31344538744034E-05
1977	6.54331481763206E-06
1978	2.35041034471207E-05
1979	1.4584664569886E-05
1980	5.08663039234364E-05
1981	0.000136938595154585
1982	0.00013699507995757
1983	4.89069024209752E-05
1984	1.51650786854688E-05
1985	3.08496682590041E-05
1986	3.5441122691869E-06
1987	7.81494768483101E-07
1988	7.17313742957238E-07
1989	0
1990	1.11794616192312E-05
1991	2.46260744298986E-05
1992	1.73548144160105E-05
1993	0
1994	0
1995	0
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