Year	% of GNI
1970	14.15429899478109
1971	14.353457777595551
1972	14.936686433488127
1973	14.760045464290679
1974	14.388963546389066
1975	14.1539052931012
1976	13.958157601841442
1977	14.04873645750674
1978	14.180743452915324
1979	14.246616866316444
1980	14.585729746785654
1981	15.060872526363658
1982	15.191187950870026
1983	15.344603922473622
1984	15.277605860998658
1985	15.365077154082556
1986	16.273572413254055
1987	16.621669282033146
1988	16.568540793256293
1989	16.859166133557824
1990	17.085264886033947
1991	17.64185041806703
1992	18.184619986124275
1993	18.91345638499878
1994	18.92856362470702
1995	18.663581344150046
1996	18.13026981490897
1997	18.35855287310751
1998	19.338522624920902
1999	19.598655163525432
2000	19.39252490339682
2001	19.46068275952098
2002	19.24925363087858
2003	19.123904444869243
2004	18.901253407793316
2005	18.778576478560733
2006	18.69901926069389
2007	18.516910186721386
2008	19.437319804409295
2009	20.53609053820046
2010	20.187516653765503
2011	20.720615017670116
2012	20.975178797576586
2013	21.323696350314215
2014	21.68339794901905
2015	21.950109958149227
2016	21.815413341775884
2017	21.71054497624159
2018	22.49046708915409
2019	23.013601097373872
2020	24.10813646327907
2021	24.30750329840919