Year	% of GNI
1970	3.777171422719035
1971	3.8406043122033924
1972	3.8807672914542213
1973	3.916442831674812
1974	3.8826289435565653
1975	3.9408227153668673
1976	3.933209231774281
1977	3.8764903193838003
1978	3.9935113896457186
1979	4.078489415698399
1980	4.161855791928153
1981	4.181545448939004
1982	4.097356647058129
1983	4.1052090678031
1984	3.9439934079441548
1985	3.7931117828731855
1986	4.1658290335478885
1987	4.219522566152462
1988	4.252446886969226
1989	4.103529502669863
1990	4.176002576426642
1991	4.524699966543127
1992	5.321684142492106
1993	5.123996076843855
1994	5.234528289856047
1995	5.850743360099035
1996	5.400405034090799
1997	5.990595708721662
1998	4.5239089083202195
1999	4.407998005754741
2000	4.002475998272685
2001	3.998566472538907
2002	3.9918863128978352
2003	4.112590013806549
2004	4.252708491328629
2005	4.196163820666646
2006	4.089476956014379
2007	3.972144518453992
2008	3.0886755931732357
2009	3.3522212501222874
2010	3.4739022618445152
2011	3.6668418567553513
2012	3.6488989432965493
2013	3.3923182827547445
2014	3.2710788949015295
2015	3.1737706769541196
2016	3.1978081689284594
2017	3.3941593107714696
2018	3.3620940822791816
2019	3.339475860698436
2020	3.3704355039270597
2021	3.588598918131662