Year	% of GNI
1967	6.2580108853115695
1968	8.159965441236022
1969	6.886089633917379
1970	6.237927145720053
1971	7.578385368411901
1972	7.782785644438853
1973	12.578790761433666
1974	21.705336657578602
1975	17.56427096576317
1976	9.34509281824749
1977	10.496445116637824
1978	12.734701116372873
1979	11.856083930852513
1980	15.30790015852476
1981	15.167397232832705
1982	15.977661724185072
1983	17.226865232444386
1984	26.382535146583088
1985	27.714249059538894
1986	20.72050273360833
1987	17.3943551667832
1988	20.317617412537274
1989	20.495714649027974
1990	17.97296490992331
1991	16.523469928250528
1992	15.21890076754542
1993	13.116860955718938
1994	21.380838531144548
1995	20.32315967892091
1996	17.95117334281113
1997	16.238146848813603
1998	12.086096716512348
1999	10.435178835287621
2000	9.826250949278844
2001	10.65177874660282
2002	11.467184588871968
2003	12.214442435296059
2004	11.101621471738818
2005	11.994960898030559
2006	13.07403899092592
2007	11.078556313674975
2008	8.972785181207819
2009	8.38492023814736
2010	10.628244400800202
2011	10.114426693371867
2012	8.30910902003755
2013	10.909574540968604
2014	8.840052307497768
2015	9.381219791611363
2016	8.82780557341428
2017	9.149524537382161
2018	9.40139790535985
2019	10.948876035946917
2020	9.363518367624382
2021	7.803654240251827
2022	6.6579674554203105
