Year	% of GNI
1990	1.35502394144427
1991	4.81147954030854
1992	3.51455764729895
1993	1.48263880625341
1994	5.76413365862737
1995	5.13652857779676
1996	8.57435060909773
1997	5.71074045201386
1998	11.5013010215201
1999	9.13934600487422
2000	11.4252419609589
2001	14.1968766333897
2002	13.7476694077685
2003	13.4849851702779
2004	12.9627808731861
2005	20.7676916830859
2006	20.4498833132925
2007	18.679167518346
2008	21.5548658272995
2009	17.449775923634
2010	24.8994689872765
2011	22.5161439834126
2012	23.3975721767501
2013	22.9667437065898
2014	24.1430683191872
2015	23.113995992186
2016	19.3589091108227
2017	17.5309927442061
2018	21.9479303968347
2019	22.8710776010451
2020	12.2385535166017