Year	% of GNI
1970	6.775850246073795
1971	5.972159151140272
1972	5.532823807707091
1973	6.6994664070016485
1974	19.769558329941397
1975	10.49889107709561
1976	12.765361236810978
1977	13.458716621751385
1978	15.451636875619599
1979	28.36122676131994
1980	24.305138110658053
1981	15.181021255402182
1982	8.014852535706686
1983	16.36183231483035
1984	19.233262688103512
1985	20.85104874206628
1986	10.662014269261453
1987	17.048802120299985
1988	20.769959028951547
1989	35.57387962662304
1990	41.98273484363238
1991	24.792449306094227
1992	26.51186465965791
1993	34.45162872117972
1994	34.25210504161144
1995	51.197285301758924
1996	49.74642675139728
1997	47.763287385984626
1998	31.358755807519103
1999	42.797466230351375
2000	65.20809567779666
2001	52.16912351990057
2002	49.455120648576155
2003	38.46447776848091
2004	41.54893371234503
2005	44.6784514707239
2006	45.66989596364986
2007	38.58372204042909
2008	41.7526377174628
2009	27.913825436100907
2010	35.06919766062316
2011	41.82752639366158
2012	31.065888776731455
2013	20.70351041678798
2014	16.665682367463912
2015	9.997451552416269
2016	11.30385877873598
2017	22.348040972961975
2018	30.49043716444797
2019	30.04855248958232
2020	20.9948351277027
2021	24.98331204335412