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	0.11501979991379
2003	0.178381887913983
2004	0.165049939416478
2005	0.252469011179102
2006	0.683475577091461
2007	0.624344515923789
2008	1.06917692280528
2009	0.645410398235614
2010	0.242284268785806
2011	0.526914868641309
2012	0.49393788378898
2013	0.467457901037476
2014	0.437195148150247
2015	0
2016	0.0687391904547863
2017	0.179462172017927
2018	0.268056625056229
2019	0.213213396731904
2020	0.11529077951409
2021	0.294903461359937