Year	% of GNI
2007	27.1058029759728
2008	26.8617194513191
2009	23.4471510105868
2010	24.6072529921528
2011	24.322645457552
2012	18.9859891572492
2013	18.9763435315505
2014	16.6316817480036
2015	18.348158989328
2016	23.2344016488021
2017	20.6792808659412
2018	24.2120525211908
2019	25.0665001628694
2020	23.1769304308727
2021	21.198065618269