Year	% of GNI
1979	9.657119269947817
1980	11.839495128757807
1981	10.321652606178477
1982	7.2987983921462085
1983	6.418128001714226
1984	9.297618802715773
1985	9.95109830367234
1986	5.325995607063499
1987	8.25893648640674
1988	7.35531251416028
1989	13.951459878931889
1990	7.09232697403918
1991	6.374838682721952
1992	5.993959090099461
1993	7.5658135149468375
1994	7.650776353297209
1995	5.826029321819176
1996	6.504131688898511
1997	6.392594470496331
1998	5.48962073345181
1999	4.978558715448459
2000	5.747971882031736
2001	5.0191098751192005
2002	5.660678143305903
2003	5.342053456121935
2004	7.71795769935534
2005	7.934773277543416
2006	10.049269197599555
2007	10.165891421032576
2008	9.482262078675285
2009	4.8516125412509385
2010	6.0599820897303545
2011	5.412334767597718
2012	3.5182246628067517
2013	2.4680084434613896
2014	0.6669295419609469
2015	1.4113847787321596
2016	0.7037969421138257
2017	1.2081793015167648
2018	1.2427673834917314
2019	1.4159197635032932
2020	2.765042831394833
2021	4.1190204349870925