Year	% of GNI
1970	0.24544883345410404
1971	0.2953278142002108
1972	0.3381396771938706
1973	0.6124143452207381
1974	1.39821766601604
1975	1.0651319805671096
1976	1.1984164445198804
1977	1.1784816706405323
1978	1.2514491799555147
1979	3.0660174434407406
1980	4.045570689049352
1981	3.1688286306600837
1982	3.2094630722727446
1983	4.012160231634169
1984	4.705267362276608
1985	4.339580831915236
1986	2.1236835240454823
1987	3.236895970809142
1988	2.6534593494254257
1989	2.317274740955773
1990	2.744818392779845
1991	1.4890624852963494
1992	1.4237240247155531
1993	1.1429414582544153
1994	1.0397399218246586
1995	1.1964293807186177
1996	1.3884464490731736
1997	1.1116145647365425
1998	0.6899602606004853
1999	1.3125445465051389
2000	2.0771821453090062
2001	1.6359256329149836
2002	1.9902064921169909
2003	2.319649101530085
2004	2.8194015976229596
2005	3.656197756109792
2006	4.067587558064567
2007	3.785486165401563
2008	4.2055434001869685
2009	2.2962359147204987
2010	2.802228747927131
2011	3.792667080815251
2012	3.547312253174798
2013	3.114581342728166
2014	2.7786422774363952
2015	1.4044187845305438
2016	1.2682021142703295
2017	1.5345459155571917
2018	2.198660439182254
2019	1.8074250418563007
2020	1.2682300281375842
2021	3.3204977739105237