Year	% of GNI
1970	3.765080550894278
1971	3.572640878390665
1972	3.4813455140954157
1973	3.4635159719586075
1974	3.0139994748365395
1975	3.0485799805073532
1976	3.8785236451041953
1977	5.940286356278167
1978	7.462460806054788
1979	8.901074243008924
1980	5.5154953066034995
1981	5.6636260879694635
1982	9.114818557569583
1983	10.097761074895523
1984	9.750770065574006
1985	8.223176454410549
1986	10.206307944846928
1987	8.604232549558558
1988	8.887179449468627
1989	7.314122491819928
1990	4.487194153039017
1991	4.4551131270920115
1992	5.874740094711696
1993	4.658129418422239
1994	3.726679193682883
1995	7.1486268885077155
1996	9.691659624414173
1997	8.227557692709844
1998	5.400690060825186
1999	5.750287591263844
2000	8.14843790704868
2001	6.0959808708182
2002	4.746773749272414
2003	4.274427224489456
2004	4.8850195613295755
2005	4.033599434015069
2006	5.435681762055359
2007	3.506385615976592
2008	3.541994912507513
2009	3.5377645709333354
2010	2.9038432054062917
2011	3.4217074205744105
2012	5.66325458093019
2013	3.050453340734271
2014	3.520671927331965
2015	4.427261092159198
2016	7.249054362844842
2017	5.643069763934565
2018	4.794107915050662
2019	5.453379078609387
2020	6.600313924334704
2021	6.178753980719459
2022	3.475985633848946