Year	% of GNI
1977	23.930853414352505
1979	23.31818036748919
1980	28.098558584194127
1981	27.483880117715398
1982	26.54327334901591
1983	25.921845673429793
1984	25.330867596582785
1985	24.067214686999215
1986	23.897152439021717
1987	23.93059198858148
1988	25.526250691502455
1989	23.796029051535687
1990	23.255836637791806
1991	18.824836142134007
1992	18.687235951741915
1993	19.616115281146058
1994	20.24726919998678
1995	20.408550330387914
1996	20.809627110126815
1997	20.598018101006687
1998	20.82626159514112
1999	19.979088178870104
2000	21.967796639783973
2001	22.525307249290222
2002	24.71783626169774
2003	24.05350113302673
2004	23.067292906462672
2005	24.782772403321033
2006	27.268615378420265
2007	27.441339056484605
2008	26.851324057245748
2009	23.166799501829217
2010	25.02407048005679
2011	26.265603181285748
2012	27.890783748297906
2013	27.29609722433207
2014	25.802339891410856
2015	24.380192441872648
2016	24.114450732953696
2017	24.961169719222344
2018	25.294894477727354
2019	26.30881614013794
2020	22.205062268521335
2021	24.602221941016975
2022	23.53277673527347