Year	% of GNI
1980	2.330272099644667
1981	2.2549269541203407
1982	2.9536942845608323
1983	2.251930728892121
1984	2.536966965115314
1985	2.160997518130307
1986	2.904262802332467
1987	4.072220043222303
1988	4.507407873592604
1989	4.8115298221017255
1990	5.354511553269969
1991	6.523379119239967
1992	5.93997834196398
1993	4.43274290576547
1994	5.68457428987621
1995	8.072218037785092
1996	6.308282442905362
1997	6.171597380100503
1998	5.876756228747422
1999	3.5995779417681137
2000	3.3540452788943913
2001	2.83977080997914
2002	3.5698802820911
2003	5.3074676976422
2004	6.247481899447706
2005	5.582039663860859
2006	5.7561775541111775
2007	6.499774540630634
2008	5.862705510222483
2009	6.985201060109465
2010	5.799602963066491
2011	5.710499275400416
2012	6.670308992579858
2013	6.686827246587717
2014	7.340667665575842
2015	8.915209746778212
2016	9.104865225270016
2017	7.846244752002187
2018	5.117941017293778
2019	4.839930067138232
2020	5.810116981605836
2021	5.609784696080134