Year	% of GNI
1974	2.39153648927752
1975	3.01369025872005
1976	6.51574380818137
1977	5.46062800849147
1978	3.66232162236477
1979	-0.0297448907621417
1980	36.7059421606045
1981	28.5075216955522
1982	20.6021554496812
1983	21.836169428968
1984	23.9529330361362
1985	15.8353330610719
1986	19.2226962488424
1987	23.756240285819
1988	15.3754358009222
1989	41.7875790301154
1990	31.2006368596601
1991	24.7854233298012
1992	30.9817020602818
1993	30.7330806383921
1994	23.5732676032857
1995	-1.79368474794651
1996	1.67860553863552
1997	-0.674541177571792
1998	-0.572652939620111
1999	0.564899217345122
2000	0.103274931913425
2001	6.70152377289988
2002	-3.13828444998621
2003	2.480856685525
2004	8.98908500231084
2005	2.94680686629354
2006	7.67567443381922
2007	11.1969642050276
2008	15.5207841769576
2009	6.76891391304337
2010	5.07642184159192
2011	4.3031965117803
2012	1.49642118235259
2013	-1.76975394425551
2014	5.34975219577595
2015	4.71147331716497
2016	8.4320042797845
2017	8.21941347120428
2018	11.8881209710432
2019	9.84663542877496
2020	1.88655023009059
2021	2.71944724009631