Year	% of GNI
1980	21.2574314486204
1981	24.5871576530866
1982	25.3061928007899
1983	24.6813120660814
1984	23.5340323645993
1985	24.5161816828855
1986	25.4153352858793
1987	24.9928095881183
1988	24.9341867574459
1989	24.9110076437344
1990	24.510849326335
1991	23.939872959344
1992	22.5305589462025
1993	22.3690465105106
1994	22.4359062338431
1995	23.0279942383511
1996	23.0440662764629
1997	22.8636479819027
1998	18.2124866207018
1999	12.2641760601202
2000	11.4777978432745
2001	15.9758109305818
2002	16.8219679812248
2003	18.8960854357003
2004	16.8038468852469
2005	16.3553462265948
2006	14.9577066955797
2007	14.1849694710488
2008	12.8576296523947
2009	12.0236525065669
2010	12.7069999546928
2011	13.3590093370383
2012	13.2503431890679
2013	12.588476551097
2014	12.4520490407142
2015	10.3976296554541
2016	10.3521980127379
2017	10.9283918414859
2018	12.0509579471038
2019	11.4621508308014
2020	10.8144049470141
2021	10.3638317218722