Year	% of GNI
1976	19.07273894646271
1977	24.968083811442717
1978	17.29698473183166
1979	18.763727470312208
1980	13.626882825626414
1981	6.367019874923896
1982	10.490192073170732
1983	11.061456965845128
1984	10.299887638156314
1985	9.546101050133716
1986	16.450839554132575
1987	16.268500852708673
1988	15.841438512708155
1989	16.527072947904106
1990	11.95426888886321
1991	12.530380544257794
1992	17.02537286073333
1993	18.416005642301695
1994	20.88430848473163
1995	19.390467614312296
1996	14.349707188462476
1997	15.533766946601846
1998	19.309487340140652
1999	17.04513784962994
2000	16.0599043636422
2001	18.79724705516435
2002	16.0000749708874
2003	15.297139750849405
2004	15.984108312251076
2005	17.31131710269783
2006	17.95600541562757
2007	14.0248859895503
2008	11.912314238565642
2009	12.681827915039916
2010	14.197689128768696
2011	12.695617503111889
2012	12.417783029159969
2013	10.59153605589912
2014	12.140362390075625
2015	12.928513411374501
2016	14.433799807381506
2017	15.915679134132063
2018	16.524965598852987
2019	19.16149590471264
2020	19.363106926671904
2021	20.51641422306199
2022	17.733970119687633
2023	19.27770150451837