Year	% of GNI
1976	-0.841889909747201
1977	10.0841137006715
1978	5.7232063732959
1979	7.08983729820491
1980	8.3242608176148
1981	20.7929668556767
1982	23.126806688019
1983	22.4444835914071
1984	15.8491895643872
1985	21.1622547393928
1986	22.3368645298493
1987	22.1077561087663
1988	21.7016795679002
1989	21.8624179017166
1990	22.570328473555
1991	22.0887245049157
1992	21.4727340187331
1993	20.3474036278617
1994	21.737515215823
1995	21.4907695209159
1996	22.5506566991237
1997	23.7242502152672
1998	25.1149907427208
1999	25.8674243386214
2000	26.9237261553823
2001	27.5851546492958
2002	29.5691136344209
2003	28.9956958926891
2004	30.2678703324298
2005	30.9892303081034
2006	33.451579139857
2007	34.1277747829596
2008	34.7108482094843
2009	36.112926577455
2010	35.8754321304425
2011	35.2650217458057
2012	37.4283340204237
2013	36.7871540358758
2014	35.4188008099105
2015	34.4944768379367
2016	35.6116283122918
2017	34.1072434614113
2018	34.0953208906597
2019	34.9229994678303
2020	35.7119146192046
2021	34.2479436170974