Year	% of GNI
1970	1.0917838123242694
1971	1.4088859226041583
1972	1.9154341121691372
1973	2.7807659342066233
1974	9.104404241463815
1975	6.6594534005466555
1976	7.542231985044311
1977	7.397525973481337
1978	6.571343610952283
1979	11.898340766964923
1980	10.827289272991594
1981	8.515472914544684
1982	5.315139976826397
1983	4.98635655687577
1984	5.119085113790022
1985	4.426360067918885
1986	2.186069892349809
1987	2.929974129396641
1988	2.2584971572773638
1989	3.4055324539137954
1990	4.378598560840996
1991	2.6604115442030123
1992	2.533140991749602
1993	2.532392951937316
1994	2.426999293604566
1995	2.5989027798265485
1996	2.9960186389065884
1997	2.4865335402879984
1998	1.4861326783884323
1999	2.0974758927621937
2000	3.4942504677358985
2001	2.860160594075011
2002	2.9163214455919233
2003	3.3024202560655
2004	4.030011513324533
2005	4.990132570045211
2006	5.09527488287119
2007	4.4725208987096305
2008	5.501957527730807
2009	2.9349168767179257
2010	3.2409152490198667
2011	4.386419713871687
2012	4.079073685338005
2013	3.5984769840082236
2014	3.1344208821292177
2015	1.6667431787011195
2016	1.3664746284319196
2017	1.6429062202075384
2018	2.326052861396873
2019	1.8566012936368002
2020	1.1275644510126799
2021	1.5111547928115567