Year	% of GNI
1974	31.9126509494888
1975	37.2151988542443
1976	34.0295932824786
1977	37.4673084354997
1978	22.066129992686
1979	35.698614847739
1980	33.7515508032778
1981	37.0365118881265
1982	27.0378293131778
1983	26.6666732613816
1984	27.1420570810419
1985	21.7284196926051
1986	8.158522312132
1987	19.3188589764331
1988	10.0077704073321
1989	16.7584206554534
1990	13.1702707195117
1991	2.9897710337668
1992	2.12488379478592
1993	-2.70997254050077
1994	-0.650849460665255
1995	-0.804468577801261
1996	5.72449895551505
1997	6.10398255115931
1998	-0.563582822879354
1999	7.33487778355055
2000	23.1693515534925
2001	18.4292836813564
2002	21.2340373561701
2003	20.3473670444452
2004	20.3905656916627
2005	29.2446890297813
2006	32.6380875271288
2007	28.4760152876221
2008	37.3609929251446
2009	12.9078208211213
2010	27.4859943822324
2011	27.0397527227607
2012	27.8038715651964
2013	26.0006218046123
2014	19.9825328831145
2015	6.79379070530743
2016	3.53098269871992
2017	6.31902540017732
2018	21.4933957119442
2019	15.9807387310555
2020	4.64359635421886
2021	11.5542363939996
