Year	% of GNI
2011	8.53356354420884
2012	8.05778452680877
2013	5.15659050957143
2014	10.4582761296064
2015	9.21858578201313
2016	12.2455657768869
2017	13.5265871370052
2018	19.8946328375635
2019	17.5516338836143
2020	16.1602347741379
2021	14.193319415249