Year	% of GNI
1970	3.214310036056532
1971	4.609335541011194
1972	5.382513706996874
1973	7.596994660574327
1974	3.6486790493400623
1975	4.025917263300111
1976	3.762851308679553
1977	5.678114357817297
1978	8.075837551080971
1979	12.990539317734193
1980	13.411691673236191
1981	14.796399762238712
1982	9.849625357599766
1983	12.712645826433155
1984	14.108958718616105
1985	14.334196810251546
1986	17.46525161979215
1987	13.772104752641834
1988	8.364096350669827
1989	9.610069057460079
1990	2.8796572414005963
1991	4.162775313760927
1992	2.3034586283246528
1993	3.7402391979994865
1994	3.795128516484735
1995	4.978418995075405
1996	2.8230966438803895
1997	2.6842595754566654
1998	1.5143890121028347
1999	1.1986553292706532
2000	0.23341313398407404
2001	0.24599178231007277
2002	0.2654198085464573
2003	0.18561412334692745
2004	0.20608194001818203
2005	0.20773324261445028
2006	0.39074242439952367
2007	0.3901635146536794
2008	0.2779656747491858
2009	0.30218562558406703
2010	0.4883356531754984
2011	0.36113834979858095
2012	2.0050974547737375
2013	4.214574827811697
2014	0.9908679745690803
2015	0.8722942044868235
2016	1.1998246270568582
2017	1.0075041656002361
2018	1.2629149841908405
2019	0.9573811538155839
2020	0.7769162987267297
2021	1.352883388555967
2022	1.5395746214404022