Year	% of GNI
2005	13.7429858594428
2006	14.5916164211727
2007	16.3080026870453
2008	16.4459996193083
2009	12.3328594861185
2010	13.0114858935993
2011	13.5185903744331
2012	12.7065439531784
2013	12.1686776287353
2014	12.5437952924145
2015	12.3706323088564
2016	13.7841130915388
2017	12.8732580394473
2018	13.1175241695762
2019	13.737258727013
2020	13.032040611627
2021	12.7766258435125