Year	% of GNI
1981	4.6917071947530165
1982	4.455702972764499
1983	3.977527862760866
1984	3.830856152071387
1985	3.7047470749268436
1986	3.4211979977818965
1987	4.063198582111451
1988	5.300439027394067
1989	5.56227475662341
1991	11.226252549599433
1992	11.091042922799973
1993	7.828753468200298
1994	6.4350813993449885
1995	6.563074434150704
1996	6.009829965028007
1997	5.831436085283356
1998	4.613204555897443
1999	4.959330361901213
2000	4.579444642844213
2001	3.7251083830709306
2002	4.195167323316253
2003	4.51674660788411
2004	4.188204561793974
2005	3.636088606750338
2006	4.642911327400636
2007	2.4521052278294753
2008	2.1344727670771317
2009	2.3931547990706363
2010	2.0531594425943327
2011	1.9216406341922418
2012	1.6955652668848251
2013	1.9622772537225792
2014	2.1940720301993277
2015	2.1031825572704874
2016	2.4070961180213075
2017	2.4591547128493785
2018	2.8161886084076504
2019	3.2035460358552172
2020	3.455530201860413
2021	3.1281283534223014
2022	2.6023303820052925