Year	% of GNI
1993	33.288746493059
1994	23.3013543900283
1995	29.4951153935104
1996	37.0030612452861
1997	20.7224009117582
1998	4.51847460458103
1999	14.1571942470916
2000	41.3840443569664
2001	45.4857371358837
2002	33.708405296214
2003	32.4389608546367
2004	30.8550850187297
2005	34.0951335397045
2006	35.9696015351313
2007	25.1080549246496
2008	29.4998706421538
2009	10.7476471838714
2010	10.537445576542
2011	15.6291628543066
2012	13.8646020506969
2013	12.6315788851696
2014	9.91368693842051
2015	5.89775459141088
2016	4.00058687043119
2017	5.9776539588876
2018	9.25162024271754
2019	6.20186081092512