Year	% of GNI
1989	26.412314253383276
1990	25.328999980178512
1991	21.707305297487284
1992	19.07716331910153
1993	20.887247616185668
1994	22.369128122154702
1995	21.372683588975196
1996	21.66576539991248
1997	22.571852475957577
1998	22.331762652840485
1999	21.294669872130186
2000	21.824689178891944
2001	21.344740431398176
2002	22.38675918623607
2003	21.69282399556732
2004	22.151121017013473
2005	21.786749010571057
2006	22.531953739803885
2007	22.356009405549234
2008	22.826259835226132
2009	24.870972684580565
2010	22.66475765881983
2011	24.21262143957506
2012	25.051213213787687
2013	24.504464068215338
2014	24.21321542102298
2015	23.124109638273428
2016	21.20826711094889
2017	22.41024720719623
2018	22.41105191273385
2019	23.11872435696363
2020	24.243053469780552
2021	26.054366756192543
2022	26.409229235140423
2023	25.884596310047773