Year	% of GNI
1970	2.0259767346658646
1971	3.1564984267434775
1972	2.9655549507329257
1973	2.3658425638935183
1974	2.076796714588527
1975	1.9222624652205775
1976	2.439530188311185
1977	3.2663492440641875
1978	5.1344288596623056
1979	6.2196372172254835
1980	6.794306634642446
1981	9.146425246242117
1982	10.081950188201253
1983	9.877132865942805
1984	7.533612170001981
1985	9.961092788496282
1986	9.605013842577783
1987	8.394955707136626
1988	7.058522852064832
1989	8.036331734975434
1990	6.125985052442498
1991	7.652250033710701
1992	11.884613692104983
1993	10.858508652621467
1994	10.518063471515223
1995	9.94931751162641
1996	8.03529234228199
1997	8.229874845354392
1998	6.338439458200995
1999	6.947736191268292
2000	6.41903420206116
2001	6.1915860923181505
2002	8.006882253633792
2003	7.497120244584059
2004	4.5877137026930725
2005	3.9939420249765085
2006	4.517092408307518
2007	4.648042192923787
2008	4.142889497783151
2009	3.4175589211120205
2010	3.32028662909956
2011	2.976627602717469
2012	3.4432433917051224
2013	4.58844652577409
2014	4.086141296298941
2015	3.286960237495645
2016	3.533385844920698
2017	3.4181572837666483
2018	3.2389715000839656
2019	3.334831454257925
2020	4.388557890354537
2021	4.713363767402663
2022	4.621843433698589