Year	% of GNI
1974	17.104405728446203
1975	17.928476741073997
1976	19.511339059890602
1977	17.316094294138303
1978	16.2848239288874
1979	19.171528578453902
1980	14.264891980913902
1981	18.118297322552802
1982	17.495429192499397
1983	14.365623033503502
1984	14.965492144501706
1985	20.3392398267015
1986	23.948327546281725
1987	8.15914035201958
1988	11.902990829223747
1994	5.601112184217435
1995	3.981006058539675
1996	4.952671545483504
1997	3.5875717883236415
1998	7.914988217134651
1999	5.195992309380475
2000	5.753191199046885
2001	4.9096312832174505
2002	5.703037265184825
2003	5.1031200987859435
2004	7.8224197855437705
2005	9.310996503741512
2006	10.866353394762028
2007	9.948543987768952
2008	10.545689719352609
2009	7.264505340081994
2010	8.773570104821411
2011	10.724461195285105
2012	10.542648633129698
2013	10.269739279095182
2014	11.277976219651007
2015	11.278371317540211
2016	10.124038416044545
2017	11.440988480305588
2018	13.356947815137595
2019	10.858605467591353
2020	10.518933928606288
2021	12.885438071003572