Year	% of GNI
1980	30.3279482641567
1981	8.53615200012443
1982	6.57405461953694
1983	4.96041111995231
1984	5.69844702631162
1985	7.30891513558734
1986	5.076966458541
1987	7.94428911263564
1988	5.11439977675688
1989	7.82352589192504
1990	1.84694879582072
1994	3.59722342626792
1995	1.25810439696742
1996	2.0448212846487
1997	3.19913827520563
1998	6.76366467220667
1999	7.89559444833974
2000	10.5989514535423
2001	10.0147563450654
2002	8.16744722193473
2003	5.90198980310328
2004	10.8024522091339
2005	11.1765676041059
2006	11.1470509059393
2007	9.48207693156717
2008	10.6169628492648
2009	7.52443115890437
2010	8.59761858276157
2011	11.150111297129
2012	9.88726904553125
2013	9.4065703387331
2014	10.7254136171624
2015	9.93727141565738
2016	9.67154736946874
2017	11.4533790516097
2018	13.3753859422094
2019	12.0648101647451
2020	7.31821846109153
2021	11.5400382431021