Year	% of GNI
1970	12.910274522511767
1971	12.977117140357418
1972	12.734493544864563
1973	12.646070762882982
1974	13.451380747447274
1975	14.237614139120252
1976	14.009744586926068
1977	14.009639782050373
1978	14.02412840352196
1979	14.387145574355909
1980	15.11636428267576
1981	15.296419890881046
1982	16.0337293779084
1983	15.646785291196313
1984	14.932693570819477
1985	14.92117663814065
1986	15.226619623445533
1987	15.14372429041236
1988	14.942334962451396
1989	15.00478837864105
1990	15.123408198275799
1991	15.337492985343859
1992	15.010243156857175
1993	14.969019311999634
1994	14.793106919259278
1995	14.871650291269422
1996	14.684131643290462
1997	14.519683895459053
1998	14.458820087301646
1999	14.529420279031317
2000	14.604632602508165
2001	14.941029616527974
2002	15.049617120104044
2003	14.92536988891407
2004	14.790969669649787
2005	14.945947218970769
2006	15.083007158367735
2007	15.453249098506053
2008	15.997821040855051
2009	16.518560020070467
2010	15.822383680065908
2011	15.655865978104192
2012	15.535414047195285
2013	15.68109558272777
2014	15.67596615038255
2015	15.739823855229416
2016	15.843878063491559
2017	15.765206856691098
2018	15.728322466770049
2019	15.861608978437072
2020	16.749833769482702
2021	16.241546827692428