Year	% of GNI
1970	0.1564669264700415
1971	0.24626225346345193
1972	0.29515443385119433
1973	0.34499658063941374
1974	1.2959285951314763
1975	1.605013890084425
1976	1.8099717201907928
1977	1.50714562058538
1978	1.721311778562912
1979	4.015311024332019
1980	4.747633043480822
1981	4.057554088325488
1982	2.3589334762165195
1983	2.5300816937925785
1984	3.215312888607553
1985	2.63722420210492
1986	0.8830823812718054
1987	1.3263736563470485
1988	1.0174777622622644
1989	2.684307794889139
1990	2.0754461606463024
1991	0.8528998693805458
1992	0.8375175468979912
1993	0.8342785115310387
1994	0.8189970947038543
1995	1.0277394427940627
1996	1.2956828367890516
1997	1.1798338434480022
1998	0.6547610521543762
1999	1.1401637834639076
2000	1.962860457752244
2001	1.592108945806112
2002	4.711435958981709
2003	3.810136151878522
2004	3.924647439058945
2005	4.87655606235618
2006	4.769290435495823
2007	3.934191800788638
2008	4.089917016004954
2009	2.519310918293931
2010	2.5740086921070957
2011	3.118222240265978
2012	2.927247557375459
2013	2.537368854233847
2014	2.361429749674844
2015	0.8415221446637733
2016	0.6629262247886675
2017	0.7481234352381005
2018	1.563823697437314
2019	1.667222750630712
2020	0.979578858056912
2021	2.051994832551212