Year	% of GDP
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
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0.00222946780219908
2006	0.00320350693894352
2007	0.00422122871200601
2008	0.00375759126029811
2009	0.0050131491539772
2010	0.0173337959445058
2011	0.0333775517732152
2012	0.0328611652405814
2013	0.0356588037151128
2014	0.0418304836494907
2015	0.0129991340611707
2016	0.00974074357398883
2017	0.00551661089286989
2018	0.0087147505921723
2019	0.00734992334670971
2020	0.00396420911308914
2021	0.00971591519832361