Year	% of GNI
1981	22.42219297983382
1982	31.478443164453044
1983	21.28999314885956
1984	20.411115845135424
1985	19.657134669311674
1986	13.604167179376471
1987	8.520818802509803
1988	8.03290790402685
1989	16.218127420758663
1990	23.78949115735865
1991	25.534802852782015
1992	37.25760978418769
1993	43.320219401270265
1994	41.43102446901946
1995	39.523065621678036
1996	33.38891042741157
1997	37.54536255915462
1998	30.855933486598197
1999	33.434597962729775
2000	17.50365217917662
2001	17.946320592672397
2002	16.335549661783027
2003	25.219875715798427
2004	33.84565553992908
2005	40.3864442652386
2006	46.53900987646735
2007	41.99906673105855
2008	30.91607449933206
2009	28.44365511907579
2010	28.966751565165108
2011	33.13398890609254
2012	30.016440472552944
2013	27.85313210272974
2014	25.520283252112876
2015	17.89002888504656
2016	18.500359657192675
2017	20.186965458263675
2018	24.42930948997974
2019	22.779255151488947
2020	18.01161763169215
2021	23.761386555947865
2022	28.02825061763744
2023	34.68137464622325