Year	% of GNI
1974	32.279472673134
1975	32.9981165484827
1976	34.313482334074
1977	32.1176617709174
1978	31.1619531923857
1979	34.0843636470143
1980	29.49152145605422
1981	33.89839064211752
1982	33.214063991950546
1983	30.459718045075665
1984	31.282225029910236
1985	34.74055725935409
1986	37.657611661029996
1987	26.216628627269102
1994	26.675140770740178
1995	23.827479746802783
1996	23.254048440189965
1997	20.679265221972155
1998	21.400283757737792
1999	22.3792162408312
2000	25.110729344827906
2001	24.40532870703592
2002	23.302503990839963
2003	22.96973777007965
2004	24.487900027805196
2005	25.309626546790486
2006	26.343811712507485
2007	26.268053049841903
2008	26.23588554447092
2009	21.25688807045616
2010	23.756079626051342
2011	25.946364720694373
2012	25.155554153950007
2013	23.75233222000389
2014	24.292334343893327
2015	25.180151262282024
2016	24.122018624592016
2017	24.83334652321449
2018	26.441695477409837
2019	25.079974335696967
2020	24.644816845099733
2021	26.828345073314576