Year	% of GNI
1970	1.1361527264502813
1971	1.3672979013190465
1972	1.5996054901290049
1973	2.06298359794387
1974	2.6845550850054276
1975	2.8472079729198514
1976	3.9150691460276867
1977	5.02387397191472
1978	8.13440552030038
1979	9.203411874947118
1980	8.430077461619577
1981	8.469244587586017
1982	7.811250690297625
1983	7.821027935123626
1984	13.030501657539942
1985	19.571880637066904
1986	19.230986562896277
1987	14.801676389631787
1988	12.856837438772473
1989	10.069417048678066
1990	11.62885694930998
1991	15.001107241534969
1992	17.08107900647475
1993	8.056629307999074
1994	9.02731011661496
1995	8.354177048613959
1996	7.491861631969615
1997	6.650631574600177
1998	4.893058398849062
1999	6.089085567024713
2000	6.447715697043551
2001	7.6771322985890595
2002	8.735212396253875
2003	9.021098969642583
2004	8.425172155448704
2005	8.559494955959304
2006	6.487918131861592
2007	8.629228463703253
2008	7.220250810527597
2009	10.912548363464573
2010	6.486416796304176
2011	8.74580470677932
2012	7.5130944607366175
2013	5.554009210065028
2014	6.780286458930005
2015	8.246119773729612
2016	12.939742420988651
2017	8.628394641231376
2018	6.91741438276529
2019	12.748773742272826
2020	8.036565014681072
2021	7.322800967494657
2022	6.472662671214101
