Year	% of GNI
1974	5.432081915915504
1975	7.817396131800936
1976	10.35031269047659
1977	14.027277344555271
1978	21.084036427432103
1979	19.650798680834587
1980	17.35227775947334
1981	10.389062705255334
1982	6.957459609282295
1983	9.208761564937172
1984	2.480061982956595
1985	8.573034534811068
1986	10.007209660652476
1987	4.486970945223658
1988	13.586847871879785
1989	6.764701652825518
1990	6.835154860789435
1991	8.188128053443537
1992	6.054042228601831
1993	5.409916802100254
1994	9.49095845373067
1995	8.441784993364708
1996	13.264872360894826
1997	11.27156240909383
1998	12.96373025602715
1999	10.152986342154547
2000	12.903053035155871
2001	14.580289346353347
2002	13.890889972048376
2003	13.372408157579232
2004	12.214425445612095
2005	19.022797283411727
2006	19.457305035892684
2007	17.608236960916226
2008	20.571996071027144
2009	15.612535086893864
2010	23.020480893072584
2011	20.862052934584387
2012	22.542449309461453
2013	23.27856755101867
2014	23.89976347829723
2015	23.032568673884732
2016	20.63790191265775
2017	19.712576570133596
2018	21.955777238634973
2019	23.9206402572387
2020	13.646803874172798
2021	16.68603003248521
2022	24.001125778826633