Year	% of GNI
1977	17.1694988829492
1978	13.2939511157997
1979	12.0845278200859
1980	12.6256485076416
1981	16.0631870238339
1982	15.9602960340702
1983	16.8095516315254
1984	20.3935594337162
1985	24.2630636768121
1986	24.8339666167714
1987	22.9211136695578
1988	22.5621590999463
1989	20.2461977628374
1990	20.2525475300312
1991	13.5302828564267
1992	14.9636891882467
1993	13.3844284207528
1994	15.3799068029859
1995	16.0999678644771
1996	14.2612157908843
1997	15.8762071054063
1998	17.783794025913
1999	16.3402499895054
2000	16.5251481984472
2001	17.3651013550893
2002	15.0411436408775
2003	14.0623211652801
2004	15.5335677229318
2005	14.7324171683968
2006	16.9494055859123
2007	17.5988598762975
2008	15.5578149008531
2009	16.3562728745325
2010	16.3771392215416
2011	14.3256690738319
2012	14.3323963138911
2013	14.4058446190143
2014	14.1337752518437
2015	15.3312023098231
2016	16.6247643563601
2017	15.0369925423115
2018	15.2549606465958
2019	14.7888262732474
2020	14.8896644387129
2021	16.7834159908133