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	0.00212239577712391
2006	0.00585559949313202
2007	0.00493306401080332
2008	0.00527683548042512
2009	0.00447956662499743
2010	0.0529414980109188
2011	0.049940575845557
2012	0.0951680418324432
2013	1.46664435256529E-17
2014	0.122306805074881
2015	0.109547491948903
2016	0.075259562096555
2017	0.0955529946977523
2018	0.356813520977837
2019	0.49071048227931
2020	0.361296047441197
2021	0.584760671391585