Year	% of GDP
1990	0.0201709514957406
1991	0.0172671772904825
1992	0.0322571389266327
1993	0.0273678721816331
1994	0.0130686340187891
1995	0.00885415993529177
1996	0.00696964674161958
1997	0.00642267451709681
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