Year	% of GNI
1990	2.66251927395828
1991	1.99895178969849
1992	3.23797383662252
1993	5.06395196737951
1994	5.88776288552679
1995	0.248113573559072
2003	-4.60679805717958
2004	-1.60925543324557
2005	0.492774160767622
2006	2.67883315049839
2007	4.37972745221774
2008	3.74755297718672
2009	6.09071382790014
2010	5.67222590431424
2011	2.4871620794973
2012	3.40514057233252
2014	1.00171303211329
2015	4.04117241323614
2016	-1.06916852281193
2017	2.35825167481202
2018	4.21115726254248
2019	2.5427001558711
2020	1.44431367441304
2021	5.41219338695654