Year	% of GNI
1981	16.8978112921045
1982	37.9842797195195
1983	31.8176496153011
1984	23.9244074408794
1985	18.773843006783
1986	22.2466212787477
1987	25.6571731807333
1988	10.676726747123
1989	18.8393137811511
1990	25.5766533777608
1991	8.97013877147216
1992	20.4332408390637
1993	20.635273177445
1994	13.0610619955912
2001	19.2227502253774
2002	18.9471360501145
2003	15.1842401750581
2004	16.7793789009921
2005	12.6139368734926
2006	15.0719676307444
2007	10.9244818268486
2008	8.40441744833835
2009	7.67683540014892
2010	10.9416688842954
2011	15.9116218063845
2012	20.3729729573836
2013	15.5335297797939
2014	15.4611045483156
2015	9.60283724771
2016	14.1215040211937
2017	20.8442187694821
2018	21.0297339850489
2019	26.2208325315953
2020	21.6358037772738
2021	4.32298521949289