Year	% of GNI
1981	13.1165545779439
1982	18.1718903786403
1983	10.6567813212325
1984	10.6876822638281
1985	6.85902075127669
1986	10.6346242788909
1987	9.58654810600222
1988	10.4217963482981
1989	10.2847769384086
1990	11.9493270562839
1991	11.2330364063846
1992	15.1083064154854
1993	14.7101558347987
1994	23.014488407973
1995	31.8180352019034
1996	28.7100871087898
1997	27.3112252856105
1998	31.4253947334495
1999	19.6583602544204
2000	18.4915076046753
2001	18.1339973898542
2002	23.1721891967949
2003	36.3387845513974
2004	27.9431947058782
2005	23.4919614508298
2006	18.7317079523941
2007	21.7573725192928
2008	18.6513082883115
2009	16.3284302804871
2010	15.5814238338902
2011	16.7469092004128
2012	14.4055157374523
2013	13.6893062267636
2014	13.1847732508648
2015	12.1274854139299
2016	11.148608269714
2017	9.82403542955602
2018	6.3610884308005
2019	5.50960991501856
2020	5.44397228793366
2021	5.63051280064805