Year	% of GNI
1970	10.412681910149011
1971	8.011660783170026
1972	8.01705323176947
1973	8.176563494539362
1974	8.402860594654408
1975	8.354091361444963
1976	8.318753603900896
1977	8.809323569327708
1978	8.134036461652181
1979	8.128663660168101
1980	8.142368088704535
1981	7.832182444825789
1982	7.774646141986465
1983	7.662998770686282
1984	7.867391127872348
1985	7.7672142972359675
1986	7.886226850513883
1987	8.37769872121227
1988	8.218145365076396
1989	8.297380155634237
1990	8.616968064104983
1991	8.94381016446469
1992	8.995844143583106
1993	8.738785036089872
1994	8.821952730836927
1995	9.145995002263762
1996	9.362656264545961
1997	9.666442445546934
1998	10.004248018183535
1999	9.822103403325196
2000	10.219051910461717
2001	10.156499765584991
2002	10.266444654743479
2003	10.128184190417663
2004	9.858337708962932
2005	9.77651104280949
2006	9.850688429852049
2007	9.456570723790328
2008	8.357621036924847
2009	8.109589472413107
2010	8.8599702028718
2011	8.559696811142755
2012	8.55890374791881
2013	8.699531313734493
2014	8.76246905023003
2015	8.68391184488794
2016	8.460468222506927
2017	8.284038979884171
2018	8.507089871146215
2019	8.96595090370114
2020	9.50502807287596
2021	9.387659909304318