Year	% of GNI
1990	4.996514976655601
1991	5.18431239765678
1992	5.550904929450692
1993	5.776274692195755
1994	6.032790245915585
1995	5.417897125969572
1996	5.384078229749223
1997	5.138775603843773
1998	5.43916085441563
1999	6.436601808876434
2000	6.302123452399245
2001	6.44653103088663
2002	6.009531531770674
2003	5.339718533602425
2004	4.3336389096544
2005	3.6677942063135207
2006	3.3461958795362823
2007	2.776595499141141
2008	2.3629605956636417
2009	2.8404241844782976
2010	2.62046799439215
2011	2.363796932180813
2012	2.3221569860733147
2013	2.240850379248943
2014	2.3863393622978504
2015	3.073541816898026
2016	3.3559867039288283
2017	3.196747768971827
2018	3.29240753430503
2019	3.3690450337956213
2020	3.505638702214109
2021	3.3509740714529364