Year	% of GNI
1974	18.5490929283085
1975	19.502719070593905
1976	21.127148767869173
1977	18.952043815030954
1978	19.585543604355614
1979	21.434915188533544
1980	15.6725573086517
1981	19.626114986343552
1982	18.692841155699668
1983	16.323081369542024
1984	16.18335622947912
1985	21.395101997783247
1986	25.12496802217002
1987	8.941556783897562
1988	12.764788972159625
1995	0.8442033458344671
1996	2.223974143527914
1997	1.4464510846237308
1998	7.114755549493939
1999	3.0833479396204213
2000	1.7303421385111095
2001	-0.10150723653375149
2002	1.4188776419712568
2003	1.6849843967448734
2004	5.314866264963996
2005	6.972280052928538
2006	7.897174871434344
2007	8.210735839541831
2008	8.318795608117806
2009	5.7973033577553625
2010	7.431480113843354
2011	8.614366771946468
2012	9.068941833328932
2013	9.133054173431052
2014	10.351133629925217
2015	11.051559642332393
2016	9.940597902090659
2017	10.446926171167062
2018	10.954888184111528
2019	9.197624668861204
2020	9.671256765539507