Year	% of GNI
1975	23.12481510068396
1976	23.290251311403434
1977	23.03704335855024
1978	23.429746684498422
1979	23.243517657687192
1980	22.285032376874582
1981	20.66748624897028
1982	20.361955969691294
1983	20.601870183697972
1984	21.11505312475044
1985	21.23694923774347
1986	22.139974031460284
1987	21.756367229685182
1988	22.732701096262108
1989	23.090201796700487
1990	23.348450227198594
1991	22.581447041542564
1992	21.945247063963432
1993	21.53201186415334
1994	21.783549612462323
1995	22.736965704194052
1996	22.464948134494684
1997	22.98539712163641
1998	23.280406834918054
1999	23.063351645178297
2000	22.9241073416582
2001	22.882389058112686
2002	22.78847854675036
2003	22.276609447994318
2004	23.07574101476227
2005	23.05430348040812
2006	23.66375488486106
2007	24.36554882249721
2008	23.1412727305152
2009	20.820029763838274
2010	21.429598569090565
2011	22.19866888469931
2012	21.94664156556527
2013	22.179473451645908
2014	22.855030720685427
2015	23.682423836938916
2016	24.1265660523575
2017	24.750346141109727
2018	25.18815491865688
2019	25.468380874366417
2020	24.7273088830457
2021	26.235071113514582