Year	% of GNI
1980	17.540255513820885
1981	6.5041390351700965
1982	6.302221085870761
1983	5.322207854443611
1984	5.681067736238369
1985	6.350549845833485
1986	4.781665762019698
1987	6.167762406168571
1988	4.787652044884832
1989	6.809588336138599
1990	3.456667867708053
1991	5.485567832998595
1992	5.6931010033934015
1993	6.965943428148646
1994	9.363368056590588
1995	10.057658028515558
1996	9.549757316654247
1997	8.656553795114167
1998	7.887590117812305
1999	7.227652726959742
2000	9.48376447809844
2001	8.10717518725575
2002	7.865975698476331
2003	8.24659708275093
2004	9.116804431454053
2005	12.684497667207603
2006	13.418940000749782
2007	14.195717459883378
2008	12.919728311485722
2009	7.850499653859814
2010	9.69397093329497
2011	11.868143446113349
2012	10.143229025491951
2013	8.460534450060882
2014	7.16378951470769
2015	4.970217186575151
2016	5.215655900266191
2017	6.586901965270422
2018	7.44874394390667
2019	6.277685120150619
2020	4.393919705569336
2021	7.650263147775797