Year	% of GNI
1980	17.732983245905352
1981	14.891426736321536
1982	22.47814447749016
1983	14.797844784235169
1984	10.811868141448407
1985	7.402839594487429
1986	10.293864187951883
1987	6.9698311356247045
1988	6.2795123885226225
1989	5.979975371413946
1990	6.602487813327944
1991	8.206431302974703
1992	8.668660529349438
1993	7.073123829195408
1994	5.574850307441981
1995	6.672010850600208
1996	6.307073274901825
1997	4.514443653340756
1998	4.796758951787487
1999	5.0861662878347165
2000	3.8750399701037064
2001	3.6172250497630096
2002	3.443265451196399
2003	3.2661691583778274
2004	2.8987412578555847
2005	2.495677196985849
2006	3.1138813134810426
2007	4.0015694833600675
2008	3.590754173564278
2009	3.3441960787428826
2010	4.934500518747551
2011	4.552608769430199
2012	4.000898933944638
2013	3.276775954283741
2014	3.2575190798150406
2015	3.838030732643432
2016	4.31823947661401
2017	3.2648007259894083
2018	1.9077767230242186
2019	2.082571929291929
2020	2.632358048765206
2021	2.556626800766813