Year	% of GNI
1979	20.948591616051537
1980	23.056532807594316
1981	21.77380912761187
1982	19.957133323345214
1983	19.0667074084342
1984	21.51990246755541
1985	23.779944404883555
1986	18.648057130824682
1987	20.86779278852442
1988	20.676547964185602
1989	26.463160980547
1990	19.785060876276866
1991	18.37580449054696
1992	17.748915193537638
1993	18.85896905689428
1994	18.992099624308974
1995	17.59045173020904
1996	17.772959133102727
1997	17.90820547514279
1998	17.96099726880875
1999	18.17464857337267
2000	18.48824617968204
2001	18.254376248665967
2002	19.497139710529385
2003	19.462933064926283
2004	20.968658530856768
2005	20.598478291403758
2006	22.421853748256353
2007	22.445817621978986
2008	21.84799159946512
2009	19.207798468311026
2010	20.27517841568477
2011	20.237974976047497
2012	19.473290246291825
2013	18.44937662939038
2014	16.87257307993032
2015	17.187175715438052
2016	17.069379795218946
2017	17.086949066448593
2018	17.093345802751383
2019	17.255040426388806
2020	18.38547502849926
2021	19.658030291892775
2022	18.428982623954074
2023	17.80068189507493