Year	% of GNI
1975	19.874691528552297
1976	14.968598908052073
1977	16.37359365723073
1978	16.277990586204027
1979	16.081829314590653
1980	25.34199698011799
1981	23.33313537501528
1982	24.34757721535053
1983	22.690882188881716
1984	26.089611967602323
1985	26.395208246110318
1986	27.17673226481736
1987	26.6344422796236
1988	27.989524048647223
1989	28.733388870271764
1990	31.333754138012125
1991	26.9877845787808
1992	27.318363945578024
1993	25.728876502669262
1994	24.458163283699832
1995	22.555920402735634
1996	25.199168476105438
1997	25.394277675600517
1998	35.437887422050245
1999	33.51719037015926
2000	33.013345496531294
2001	39.22879807455504
2002	38.49685922353997
2003	39.70149242597149
2004	39.700116071323635
2005	38.93343970409927
2006	40.124240322725704
2007	40.068433413129476
2008	40.26796952080791
2009	35.96644909321393
2010	35.49597670623357
2011	34.292719301532834
2012	31.904796463410943
2013	33.06189568313384
2014	25.83678507780843
2015	28.70334374003481
2016	28.6673202351079
2017	29.0393419988362
2018	27.737871430074208
2019	27.646946477752696
2020	27.96316328067464
2021	28.612371244675614
2022	27.166080745792552