Year	% of GNI
1986	9.333667388349042
1987	8.935164695797054
1988	7.857140190185811
1989	7.573322645717055
1990	7.090076005518364
1991	6.382436421046414
1994	10.21345570601304
1995	9.101427260506071
1996	8.318241550513395
1997	8.882649755584895
1998	9.903001487908993
1999	10.046613540018704
2000	10.712607742164776
2001	11.707200065471906
2002	12.330630474879136
2003	13.027369390658828
2004	13.905897862082165
2005	11.399719284813363
2006	11.888537378635807
2007	11.703516957015733
2008	15.126124732449853
2009	12.989196915028003
2010	13.363140311085226
2011	14.154555781386774
2012	16.064978453943326
2013	12.121602040923676
2014	14.515576637301614
2015	13.161303358474148
2016	13.741679589422155
2017	14.977764257905566
2018	14.942523149025737
2019	16.962355257323956
2020	18.684290617368468
2021	18.620071156540792