Year	% of GNI
1980	4.560582179064717
1981	4.032045410423709
1982	4.881042605532774
1983	4.036871140767433
1984	3.6859397029778522
1985	3.4287684696270215
1986	3.488001722347936
1987	3.6606882087281156
1988	3.5875604197749897
1989	4.107607177324246
1990	5.127874588382882
1991	4.416636567432629
1992	4.448808567386142
1993	4.3692408955148485
1994	6.8699438808771776
1995	6.875997267140978
1996	5.920162721650653
1997	5.224976022975185
1998	4.7685447766996685
1999	3.82057137519468
2000	4.538321524679819
2001	4.390488204704034
2002	4.6805517736068385
2003	5.585598918360273
2004	5.12258970382581
2005	5.610827701895607
2006	5.89849392419415
2007	5.913843384589803
2008	6.736904735786743
2009	4.769958391553059
2010	5.462191380876773
2011	7.186357623522533
2012	5.7080314706122515
2013	4.753262144504595
2014	4.161929209762383
2015	3.095885971182654
2016	2.9893988841424366
2017	3.303350609170348
2018	3.2730568470333954
2019	2.9367179305965236
2020	2.6376986643288216
2021	4.383040739674482