Year	% of GNI
1970	1.2742558847871144
1971	1.3144811090356538
1972	1.2767462723815257
1973	1.5551255981356948
1974	1.549861189067408
1975	1.8987613726144226
1976	2.0818557528461787
1977	2.4397804775514214
1978	2.9868111600880782
1979	3.566020601759275
1980	4.141939393361558
1981	4.4960990141028265
1982	4.519462750399518
1983	4.017721806536639
1984	3.7960697414604
1985	3.4624950952996962
1986	4.633575454188769
1987	4.094130800919927
1988	3.8420622279235954
1989	3.2548207018015054
1990	3.5570755519180035
1991	3.3667731901219575
1992	2.8604183004588086
1993	2.6509355408478377
1994	5.123388372423826
1995	4.362143723033177
1996	4.677639312499875
1997	3.9838244340896796
1998	4.02974214065443
1999	4.174052482351722
2000	3.890018310023704
2001	2.749158534568378
2002	2.6187140107912703
2003	2.057919842440211
2004	1.927081272905861
2005	1.5271417808166663
2006	1.1361811628128704
2007	1.7988902743899182
2008	1.0317665377398835
2009	0.6200120497543362
2010	0.4520111157172883
2011	0.440446724273263
2012	0.3771333091555916
2013	0.5552194251550815
2014	0.5564235367074839
2015	0.5573111658373289
2016	0.8093095623601203
2017	1.0693030926115539
2018	1.202623529537855
2019	1.3271793874536943
2020	1.473468169604069
2021	1.6160155495680177
2022	1.5390604101033025