Year	% of GNI
1990	4.722720488692822
1991	0.840226705335297
1992	0.526282817746853
1993	0.4072625753986564
1994	0.472697838840149
1995	0.675393372098779
1996	0.5836188788402061
1997	0.7377245262822401
1998	0.664010830961838
1999	0.45432594144962
2000	0.501224165439158
2001	0.538406146266442
2002	0.5534705972185542
2003	0.765314298907599
2004	0.65469704696816
2005	0.906508203262681
2006	1.929465111794342
2007	4.454783985263178
2008	1.664049188297207
2009	1.465109188868451
2010	1.6140582815394011
2011	1.5439341855596092
2012	1.363684215259547
2013	0.941072521004124
2014	1.309091237308124
2015	1.593100973496697
2016	2.169062967341097
2017	2.498349362226454
2018	1.055504719359364
2019	1.235169808123056
2020	1.578183378138378
2021	3.055861165528581