Year	% of GNI
1989	3.959643325385591
1990	2.41507372687094
1991	0.2237828579302752
1994	5.1547219079386615
1995	4.082060071806403
1996	3.75580113514493
1997	4.755750988796082
1998	6.194525341089749
1999	5.075529573572638
2001	6.560415134053342
2005	5.420975337147002
2006	7.063459666404404
2007	6.696657129226972
2008	7.41787700488322
2009	7.062739401398053
2010	8.019034808779116
2011	7.4599309229089865
2012	7.527255122580044
2013	8.666160324507448
2014	13.408094516570726
2015	12.093219141425283
2016	12.366203965302084
2017	13.759914307023427
2018	13.57350925828094
2019	13.707378246874448
2020	14.300552431454646