Year	% of GNI
1975	14.7597255789022
1976	12.6590207591748
1977	9.53225236215947
1978	9.62549256681292
1979	10.2170285221936
1980	15.0897027251244
1981	15.8784689283788
1982	13.8279446361052
1983	14.265553184697
1984	17.1545417637486
1985	16.2657960609666
1986	9.60255947784279
1987	8.74125777833283
1988	7.35332737161363
1989	8.45531910577191
1990	8.56861106895988
1991	7.58880984278127
1992	6.85738779355062
1993	6.91500964310796
1994	8.17131469843475
1995	10.2736884591673
1996	12.9048493297243
1997	15.0343387540181
1998	11.0469384156537
1999	13.3951900276999
2000	21.7744722667582
2001	21.076300886274
2002	17.0084084081998
2003	16.1491494385537
2004	19.4188507115813
2005	24.7544194667801
2006	26.8538332014834
2007	25.5676893815405
2008	27.9360594445891
2009	19.0945803970928
2010	20.4158594929512
2011	22.7220199562765
2012	23.3297008340211
2013	22.2222585616997
2014	21.4040127961439
2015	17.0430071115945
2016	13.5968836314916
2017	15.0643630776031
2018	18.0325410456854
2019	14.0694057051933
2020	10.4193864386805
2021	21.5032225906399