Year	% of GNI
2010	1.99341535122576
2011	1.47621941214375
2012	1.05736599764907
2013	1.31759984394763
2014	1.32261358717969
2015	1.7646776987831
2016	1.58719438622817
2017	1.71411285822427
2018	1.39305003099083
2019	1.43499376899424
2020	1.40031373099067
2021	1.1772286341469