Year	% of GNI
1977	4.6686449487985
1978	0.557248760720189
1979	-3.98776055150544
1980	-4.4433704195722
1981	0.411598678273427
1982	-8.75419719239858
1983	-11.2241378314307
1984	4.38239749657314
1985	2.79003883960756
1986	0.469510533936477
1987	-4.83788245044831
1988	1.63157129303047
1989	-1.01909229761746
1990	-3.76583023237298
1991	-9.62762322029823
1992	-18.9910362200982
1993	-3.84426134902961
1994	-11.4884933114423
2009	-17.0355911908433
2010	-11.1526249070528
2011	-10.4622560885143
2012	-23.8243691386477
2013	-13.3933026875793
2014	-13.6133130811338
2015	-19.3626151433371
2016	-14.1088944441382
2017	-11.2607924192799
2018	6.14824448042846
2019	11.6905037864642
2020	7.44916341292198