Year	% of GNI
1970	0.6775217144690958
1971	0.6910016330990103
1972	0.7395517710429067
1973	1.16235715544394
1974	1.960200427826293
1975	2.065245821647132
1976	2.1565715167775377
1977	2.4022772023854477
1978	2.136063690166222
1979	3.619883386856947
1980	3.614672680303512
1981	2.316936271377741
1982	1.752245238829551
1983	1.937451139151606
1984	2.0109516266774383
1985	2.465299556673923
1986	1.63896496108539
1987	1.973040639563353
1988	1.517947049377276
1989	1.4121293029715511
1990	1.8486907434432531
1991	1.3190393579812998
1992	1.256997249284252
1993	1.249706619031157
1994	1.192455765938351
1995	1.2224483628169232
1996	1.109360769862534
1997	0.973663561023167
1998	0.866717800629704
1999	0.838298227509251
2000	1.4233453179063011
2001	1.219545829579924
2002	1.218271808488804
2003	1.154491544917721
2004	1.2745143083202088
2005	1.850911484494154
2006	2.297568925480875
2007	2.923114663451609
2008	3.02772526479076
2009	1.748406820630144
2010	2.655808511121403
2011	3.0433733047044598
2012	1.9308214486611481
2013	1.735312868077802
2014	1.803821338357807
2015	1.252037375763495
2016	1.676014287313607
2017	1.781077913673538
2018	2.38090217114557
2019	2.3898430605616703
2020	3.068922681371735
2021	6.2235952519426645