Year	% of GDP
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0.000654591206111299
1999	0.000907606184650073
2000	0.00121728831019178
2001	6.83778575389436E-05
2002	0.000127978934701093
2003	0.000243124192989949
2004	0
2005	0
2006	0.00343960264927482
2007	0.00337912128061899
2008	0.00405781354043484
2009	0.00484743829496492
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0