Year	% of GNI
1970	2.359556970987015
1971	3.185666082773205
1972	3.3931963343442066
1973	6.112868493255997
1974	26.85858508915399
1975	22.817944079242707
1976	23.8006466839706
1977	17.685091776303466
1978	16.563979419805033
1979	32.146428759231185
1980	29.03627422439297
1981	25.031822155714053
1982	8.786303378497783
1983	11.261749593573592
1984	12.509669106125525
1985	13.481336204267139
1986	8.65807902631993
1987	12.971695779387353
1988	10.047463165179076
1989	15.644403085199517
1990	17.93681290505952
1991	10.110445765828041
1992	9.46129972730955
1993	10.440262579569474
1994	9.876316754583211
1995	10.476605487366438
1996	11.705627773457786
1997	10.052267599710301
1998	4.996564874845616
1999	7.936858700879798
2000	10.097532754071
2001	6.658275049339284
2002	8.07599390929261
2003	8.112037869119204
2004	8.061326097042226
2005	12.55114791962341
2006	14.506849801279444
2007	12.440230154218503
2008	11.84502808484507
2009	12.926328156483544
2010	10.675884264003546
2011	18.189171845326253
2012	15.906250133779276
2013	15.669286808408984
2014	12.737289950129703
2015	6.026002576149884
2016	3.5699903213555855
2017	4.932610903270662
2018	9.850312819905392
2019	9.817629743054818
2020	5.222089015802004
2021	6.362004396834128