Year	% of GNI
1970	8.621254416829366
1971	8.52781468920661
1972	8.948324981947781
1973	8.730268970891988
1974	8.643953138759867
1975	8.801493063724314
1976	9.093319482553763
1977	9.032445440797636
1978	8.63364398828571
1979	8.668053002040784
1980	9.3397652784206
1981	9.300350374043923
1982	9.494348049480001
1983	9.518158142477882
1984	9.470302533566551
1985	9.175702435424073
1986	9.783043704014618
1987	9.752491364333716
1988	8.962875731751712
1989	9.057597844612147
1990	9.402964958788377
1991	9.496602310348171
1992	9.255886718638914
1993	9.8841063670863
1994	10.292105014673778
1995	10.651149390255751
1996	10.988228078397468
1997	11.654958245424686
1998	13.24895143946867
1999	13.230438144349908
2000	13.173838745412073
2001	14.499991154354587
2002	14.359081837453665
2003	14.500263693815223
2004	14.704152775449673
2005	14.922782584925242
2006	15.350150821747224
2007	15.67473294552562
2008	16.538773791028266
2009	17.71637186714282
2010	18.39947821651544
2011	19.704471431791184
2012	20.476250208676507
2013	21.578290169293084
2014	22.04810396637753
2015	22.590251868115026
2016	22.451145507200096
2017	22.354390284286
2018	23.464034021767628
2019	24.022789096829037
2020	25.279808279135647
2021	25.25533318290627