Year	% of GNI
1974	16.31243878484372
1975	9.19634703196347
1976	11.957360928579881
1977	16.001246985356044
1978	14.333107758307575
1979	13.897088191944627
1980	8.645911843992906
1981	5.900730551694326
1982	2.8756293488847873
1983	2.733026603263869
1984	4.557298403815868
1985	7.053089294919089
1986	5.938771812997379
1987	9.61970737661444
1988	13.519624956164236
1989	9.25725023043408
1990	14.551728561070291
1991	14.712124449946337
1992	13.543307419661078
1993	21.0368349504191
1994	24.940491688517582
1995	23.06181490323895
1996	21.505108116737244
1997	24.435940544164964
1998	24.728724477533735
1999	27.38564915077631
2000	20.86915332016772
2001	19.445194115514088
2002	19.43171789009554
2003	19.685993740961756
2004	21.276088913642695
2005	25.05827143997322
2006	26.366517021756227
2007	24.788948210032505
2008	22.102983135611407
2009	19.240199373776075
2010	18.393623048956506
2011	19.748635946763958
2012	17.198612458293802
2013	13.66005470459251
2014	15.997194592553337
2015	21.11480561099292
2016	21.96196674495378
2017	24.662799509898008
2018	21.253470488496312
2019	21.354302621276297
2020	23.615545274759892
2021	19.956582824626544
2022	20.67098944109314
2023	20.486870016791634