Year	% of GNI
1970	8.61345743948197
1971	8.527092895671561
1972	9.296480656215717
1973	11.021529423312561
1974	9.292093478130724
1975	6.729393354837077
1976	7.572291907843461
1977	8.08601477724075
1978	9.203950230602825
1979	9.172035693721298
1980	7.206097326346876
1981	8.085399625910062
1982	5.489480505088679
1983	4.3182213608422835
1984	6.974514642025987
1985	5.628515914096855
1986	4.025218794211735
1987	4.666857519178334
1988	5.706953183722911
1989	4.97934169285408
1990	3.7792954885082626
1991	3.3663496193098634
1992	2.631735488423452
1993	2.2405679143413764
1994	3.3118883232630854
1995	4.088565158322954
1996	5.050367184078754
1997	6.2867254834206285
1998	6.702039579552366
1999	6.324505153386323
2000	6.18137975106627
2001	4.63660124030763
2002	3.3480494383681343
2003	2.715296070160562
2004	3.2617960731650975
2005	3.532891942439772
2006	4.259040620999645
2007	2.508977637315528
2008	-0.027501317292866645
2009	-2.2216109955655075
2010	-0.21306514121484277
2011	0.8797805858988106
2012	2.906560756962353
2013	3.282212674731886
2014	4.223947456025634
2015	4.026231441344505
2016	2.884344649589849
2017	3.504064426582868
2018	3.664872323178873
2019	3.654876808085767
2020	2.302998601038695
2021	2.0367038963141333