Year	% of GNI
1980	12.424115188204322
1981	11.401148310697863
1982	6.8330577390198295
1983	6.187366132331582
1984	6.9806112132420415
1985	6.197814433918699
1986	3.4317029718958114
1987	4.081105557984408
1988	3.1293891188513676
1989	5.928679677039901
1990	6.682533917364386
1991	3.9392206201561435
1992	4.1421186531049266
1993	4.10369104698009
1994	3.5200017765185185
1995	3.2407382666293834
1996	3.8180706503134405
1997	3.596464626756956
1998	2.1328320346505314
1999	3.0230583064646455
2000	4.7788680861699335
2001	3.783136822836707
2002	3.467087011047242
2003	3.5126554191848256
2004	3.9582413825621083
2005	4.995056306219823
2006	5.608668799500018
2007	5.03941546756443
2008	5.74716090738795
2009	3.844781852637692
2010	4.863734931634287
2011	6.539710307852547
2012	5.802130551964289
2013	5.493749359202368
2014	5.063962154450259
2015	3.51422730241446
2016	2.53579372415541
2017	2.8074032079398172
2018	3.6954199110064345
2019	3.4976074028883333
2020	2.877773773565048
2021	3.1614637804253594