Year	% of GNI
1970	0.32361039005301634
1971	0.32901632192539604
1972	0.3762002631389287
1973	0.4917805521985068
1974	1.7266167438384512
1975	1.4125333956645687
1976	1.4755647427153358
1977	1.4543705422004243
1978	1.2008793215016662
1979	2.4522968551413173
1980	2.699248444927619
1981	2.087946574583499
1982	1.1169629571886375
1983	1.308318588890069
1984	1.2474633323044793
1985	1.10505830433466
1986	0.43124858509968034
1987	0.545739323182262
1988	0.42275507805524226
1989	0.5119232876086587
1990	0.6008802408093329
1991	0.39888666628444475
1992	0.472212176235436
1993	0.4736348690310698
1994	0.4123915205308624
1995	0.4087512388332889
1996	0.5416043737841527
1997	0.48414316522417156
1998	0.2544335057428273
1999	0.37216765061418844
2000	0.7968028955332538
2001	0.6566854383921086
2002	0.5574021619495142
2003	0.7308122612818279
2004	0.8274304334185852
2005	1.0906439415277283
2006	1.0703486260058215
2007	1.0498090735350645
2008	1.4391196884158655
2009	0.7343286195966688
2010	0.9004831912475326
2011	1.279287543404008
2012	1.170743562157875
2013	1.112732173996452
2014	1.0061911610371659
2015	0.5129211933352401
2016	0.4497622061079852
2017	0.571403093298358
2018	0.8248024969140486
2019	0.74800811765153
2020	0.4689421343294539
2021	1.1222698962675277