Year	% of GNI
1975	7.37434785661065
1976	8.99344841991951
1977	17.5329400304022
1978	5.74081766979527
1979	8.70295816604713
1980	-7.06397413640595
1981	-9.59027552561505
1982	-9.00252518896372
1983	-9.14983412322374
1984	-11.813911004633
1985	-3.07534580224136
1986	2.40587087828612
1987	10.8377079480201
1988	7.76990974350311
1989	15.8691926983587
1990	12.302075125498
1991	9.82653152615582
1992	11.2983389718783
1993	8.22424649328852
1994	13.825587306159
1995	10.6856756944607
1996	10.0288514084696
1997	14.5525780626861
1998	14.5713900376914
1999	10.5110933607628
2000	10.0737498604342
2001	12.6456051203598
2002	12.4471715665414
2003	15.2523059260101
2004	14.3577172761179
2005	13.5164185842765
2006	18.7545506367398
2007	17.4086566700565
2008	13.2959392084177
2009	15.9366606138291
2010	13.3457859473682
2011	14.8253418148315
2012	17.0972304285237
2013	17.0499622003912
2014	15.8746004257663
2015	15.7930580538141
2016	17.1826300414285
2017	14.8579706977907
2018	16.0382615912056
2019	15.7067543932048
2020	15.8318889100127