Year	% of GNI
1970	0.9253597221580546
1971	1.1422821552757663
1972	1.3232382462761128
1973	1.3262388515220431
1974	1.1879415719299278
1975	1.7988786485339379
1976	2.100672209707672
1977	2.8576259104553734
1978	4.171958243333199
1979	4.291757970863611
1980	2.5453536509429235
1981	2.472521467820349
1982	2.5644288660997288
1983	3.26292151555006
1984	3.9957573450782213
1985	4.87787822228381
1986	6.118258884724928
1987	7.855888330945426
1988	8.66383695083131
1989	8.583512609494253
1990	7.32710560535121
1991	6.828953716381054
1992	6.7068513050978025
1993	5.8695644347721085
1994	5.107182039401486
1995	4.837375612207555
1996	5.309842119923173
1997	4.258506508321969
1998	7.921451383117689
1999	7.151827295952798
2000	4.97473255917325
2001	4.343349720070725
2002	3.4604917327600395
2003	3.3192860246394265
2004	4.234666356514611
2005	3.006819666979157
2006	2.5912981689917727
2007	2.60425978042099
2008	1.930032773231036
2009	1.8945186847541307
2010	1.5110651788553786
2011	1.102109952078419
2012	1.1059550303711947
2013	1.312588357787328
2014	3.292515118842492
2015	1.7095387210329736
2016	1.772593479210504
2017	1.8655181203286175
2018	1.7327083060695168
2019	1.958779399381135
2020	2.7219183635653685
2021	3.2844937731500177
2022	2.778334586240587