Year	% of GNI
1976	29.082563450949323
1977	29.447048819102342
1979	26.204399521463785
1980	26.877373470697208
1981	24.57429408448793
1982	22.09188694908512
1983	21.379967965865514
1984	20.887198781947813
1985	19.13613014009354
1986	21.11608235916735
1987	19.261545613070247
1988	19.129714026433707
1989	19.22630455229573
1990	18.896639427841652
1991	17.916100887053908
1992	17.52946808940359
1993	19.464626855608444
1994	19.91405038945938
1995	18.982936990222516
1996	18.83127843690623
1997	19.96946618691104
1998	19.17220953824868
1999	16.855288817198513
2000	15.212518849501071
2001	19.261767064228625
2002	21.124021982465266
2003	16.688253123492892
2004	15.474786973395263
2005	13.706610750780435
2006	14.215377508954449
2007	16.773770306102453
2008	6.426989001397442
2009	7.667386101475811
2010	9.216539786580558
2011	12.28665386987011
2012	13.628048750287178
2013	21.877766756031555
2014	21.905331238647122
2015	25.069101970173136
2016	28.61917532830019
2017	25.834078644105862
2018	25.937628606254698
2019	26.473559572560138
2020	21.661593181231023
2021	20.2139949143928
2022	22.6849435430495
2023	24.806203288379233