Year	% of GNI
2002	-0.1140101317408273
2003	-0.0572069056878719
2004	5.683955353629739
2007	12.399284716762372
2011	6.943336761410862
2012	10.00862231986795
2013	4.103010465744872
2014	1.8264457119695594
2015	4.070409813253561
2016	2.889336308362071
2017	5.470526251180019
2018	6.576215962975861
2019	7.303998368668459
2020	5.567687802209846
2021	7.56470492994513