Year	% of GNI
1982	18.11388921433023
1983	20.239930048887267
1984	20.916075710503282
1985	21.428375062605056
1986	20.578122256623402
1987	22.777095111210848
1988	24.538876491208438
1989	23.839396344451508
1990	23.12922523669785
1991	24.02551159086655
1992	25.74336456043393
1993	26.9195268817052
1994	26.983704247207726
1995	25.556494101401476
1996	24.615067146978504
1997	24.80303726378294
1998	23.213737087654884
1999	21.033618018953476
2000	21.579945386757203
2001	21.24856592075441
2002	22.052895641805755
2003	24.216456138327064
2004	26.60572286255098
2005	27.34432732155733
2006	28.736630204955972
2007	30.037870140314453
2008	30.62014504439225
2009	28.571185367403146
2010	28.984827779917563
2011	26.59331870997962
2012	24.975345629620566
2013	23.09248930762549
2014	22.652285410825492
2015	20.510162532349746
2016	19.72983496470346
2017	20.344692988339922
2018	19.098703586642063
2019	17.70205877290816
2020	16.600860962205257
2021	17.944133017854938