Year	% of GNI
1970	2.2729818682308953
1971	2.037219525194001
1972	2.2432652326295948
1973	2.1850348588253343
1974	2.2914966173115547
1975	1.926489542082252
1976	2.1414657405631687
1977	2.252643908500353
1978	2.242130764827414
1979	2.3046019296684737
1980	2.3176087933112433
1981	2.2713550379238425
1982	2.645107893987904
1983	2.7782897497086645
1984	2.4030829805673046
1985	2.603983853401416
1986	2.7223276378420156
1987	2.674209510607593
1988	2.491653398292366
1989	2.9520540049449355
1990	3.1154367835484282
1991	2.971969238909687
1992	2.928398968558118
1993	2.8438921165232625
1994	2.847208471965336
1995	2.8450125309106906
1996	2.6952002747968318
1997	2.6995542489856126
1998	3.3518536514869854
1999	3.7566266015939123
2000	3.5702177198248464
2001	3.3975752962557575
2002	3.203822240214272
2003	3.0498240286615017
2004	2.828062270346053
2005	2.8055166951801227
2006	2.813030246067324
2007	2.8468881206261623
2008	2.829082073613921
2009	2.8279906004799864
2010	2.815876130820648
2011	2.8097188990134425
2012	2.8068279694136895
2013	2.8117252105507675
2014	2.8213845203095893
2015	2.821882788383026
2016	2.8368419933826132
2017	2.8279570833057615
2018	2.7856474319472913
2019	2.7788639672029225
2020	2.7593229105031245
2021	2.771992270826236