Year	% of GNI
1975	9.534173942192265
1976	9.706063311719367
1977	9.126943934616154
1978	9.573656843602599
1979	9.359861924673352
1980	7.829958062963115
1981	5.669344481100101
1982	5.060845206013548
1983	5.3428336846906905
1984	6.057942097499458
1985	6.159557633992586
1986	7.26695628942627
1987	6.888110775849597
1988	7.954209989040413
1989	8.258822838442889
1990	8.134175149341788
1991	7.1188718756059775
1992	6.294870365093766
1993	5.492344759104455
1994	6.064172099118265
1995	7.178746596073564
1996	6.913179804373145
1997	7.4578470720542445
1998	7.839524607360328
1999	7.579507086508491
2000	7.331894258199503
2001	7.1473481206047005
2002	6.7483634813932305
2003	6.239479111414326
2004	7.0254025073975335
2005	6.964442059955765
2006	7.749651326403006
2007	8.368025120255314
2008	6.8362249021718675
2009	3.6567212387751056
2010	4.399567992237067
2011	5.202777520579183
2012	4.628120982567577
2013	4.904065981767829
2014	5.6747497798721795
2015	6.4375587115772
2016	6.868903451013722
2017	7.509013595778484
2018	7.817649439683432
2019	7.977845246015299
2020	6.050283144576916
2021	7.840885211260957