Year	% of GNI
1977	21.439042612674672
1978	25.55024771677741
1979	23.985976877864548
1980	22.853792710576176
1981	23.919381533146375
1982	23.57790077047228
1983	29.844030427516174
1984	29.435163681164312
1985	24.953952568426217
1986	22.32247863480358
1987	26.330158266792143
1988	27.529866683141083
1989	26.69991350082741
1990	32.520314279429726
1991	34.70217084480078
1992	35.295761753079
1993	31.47461018625068
1994	23.827640850589546
1995	22.12333603952073
1996	18.631494597376918
1997	17.62211251155031
1998	18.76995383205618
1999	18.789257389893283
2000	17.502006869013613
2001	18.406680422498624
2002	18.38729957856074
2003	18.673027766702443
2004	21.16775666983415
2005	21.90433763893314
2006	22.863785956868973
2007	23.344648790564868
2008	23.42785405652306
2009	16.826178084575524
2010	18.315445509560618
2011	17.31251765664511
2012	13.184269990969687
2013	14.043838773557555
2014	12.17429181082984
2015	9.762439631468217
2016	9.842432869850334
2017	12.71032735057753
2018	16.47680797103892
2019	17.78692081349125
2020	13.863498249650272
2021	11.180463263885214
2022	13.19019822799343