Year	% of GNI
1980	8.198972824190864
1981	3.748781745323983
1982	1.6580698846295054
1983	-0.19942636017172707
1984	3.1576286252594774
1985	3.5274098221768564
1986	16.5258195121599
1987	14.816535917090299
1988	6.75275550141745
1989	4.436340185938756
1990	5.5658280089389125
1991	5.144804818584363
1992	10.577453894200328
1993	9.707201154974305
1994	11.551088329286602
1995	13.508097953196343
1996	17.087191964814583
1997	17.684924654749516
1999	25.08752878984373
2000	22.539982848678534
2001	20.125887182394933
2002	27.60405531888213
2003	31.513869589803928
2004	32.65542007330242
2005	12.580279255977892
2006	9.811432599722414
2007	14.096241121442585
2008	11.859303495666905
2009	14.088972076227723
2010	14.881716757197163
2011	16.861723765648296
2012	16.521561279313826
2013	17.649055166405947
2014	21.945103571055633
2015	23.137933956246286
2016	21.37186373375853
2017	21.612847838386468
2018	22.828206007559764
2019	22.845461810429303
2020	22.87465717302013