Year	% of GNI
1990	1.345756427362908
1991	1.4189664257927188
1992	0.7581566497069028
1993	0.5606011219544187
1994	0.38513515356591116
1995	0.8326116025272485
1996	1.463737503349394
1997	1.572989568213969
1998	3.2947067488347157
1999	2.5908901759714476
2000	2.751574017163434
2001	2.8353897559169567
2002	1.751370413471284
2003	1.652618901140922
2004	1.8000836701329612
2005	1.41155849385103
2006	1.3269418323667233
2007	1.345394151086645
2008	1.1379356961849674
2009	1.1000850701797873
2010	0.8833856300454132
2011	0.9049943055255038
2012	0.7532094387563786
2013	0.7024227345275434
2014	0.8903433727432644
2015	0.8640732742369521
2016	0.45062541790629135
2017	0.3792666223115773
2018	0.5300890622624849