Year	% of GNI
1991	-0.5412042198237002
1992	3.0955092413364405
1994	6.167999429521824
2005	12.3286260897689
2006	15.238560629539
2007	15.326582812253033
2008	22.144234486853186
2009	13.116552549906851
2010	15.244584681788057
2011	16.812861700565847
2012	19.963159384559432
2013	13.98629976917897
2014	15.484572790022698
2015	9.88709950147075
2016	9.753084583477817
2017	12.770338904300061
2018	14.287362739789685
2019	15.506418899178076
2020	14.322064808743017
2021	18.596468053062683