Year	% of GNI
1990	14.5351473040784
1991	17.8619761952532
1992	20.8437755219783
1993	20.7972610439375
1994	22.4238427520693
1995	21.0483185198882
1996	20.7749065588483
1997	22.0878984828243
1998	20.3948384609413
1999	17.8237880308954
2000	16.1064251269739
2001	18.0724650369592
2002	19.9354657879082
2003	22.7922323697699
2004	23.9736637993536
2005	23.5529903984806
2006	25.0113584696373
2007	26.6723759421226
2008	26.024893221091
2009	27.0603588201009
2010	25.8105341184614
2011	21.5920739466282
2012	22.48111410951
2013	20.9105905906959
2014	20.8916579866823
2015	19.1745492533054
2016	18.1872101088565
2017	18.8142009283903
2018	17.3607243693633
2019	15.9885908384031
2020	15.2973701078229
2021	16.329722100979