Year	% of GNI
2005	16.41303983181879
2006	17.802331623157947
2007	18.607371977846825
2008	17.454662246772752
2009	16.454094595190462
2010	17.28893544265924
2014	23.235680015603588
2015	21.74937007986486
2016	22.567503283046946
2017	24.64832715429588
2018	22.922629920350428
2019	22.57344725325902
2020	21.847504039950426
2021	19.30734236395509