Year	% of GNI
1970	0.35624701414077103
1971	0.3599268391038786
1972	0.4182419458571213
1973	0.509965063571762
1974	2.396638916562307
1975	2.110249308001967
1976	2.0086379881863694
1977	2.033158518688133
1978	1.8334642363486815
1979	3.7595517631157933
1980	4.206481635628625
1981	2.7108140130358467
1982	1.3166949080809471
1983	1.8233632120394923
1984	1.621811082843305
1985	1.4340523710733424
1986	0.5250689426059365
1987	0.8309458795097878
1988	0.5885727101876087
1989	0.6495364622194317
1990	0.7615107610480293
1991	0.5384786950864927
1992	0.5946732795978388
1993	0.5911322422848405
1994	0.49500780854617327
1995	0.4383893503002141
1996	0.5957733374655132
1997	0.484248132344053
1998	0.27627617970913587
1999	0.37373776785944873
2000	0.7541091299361559
2001	0.5512038283875846
2002	0.405229958440613
2003	0.7030537582909557
2004	0.7381641810187567
2005	0.965125573636261
2006	0.6406901863406658
2007	0.6161851459841913
2008	0.9863219521752425
2009	0.3112329170421839
2010	0.389242928907631
2011	0.499041174696241
2012	0.301236602660115
2013	0.3397599681472485
2014	0.3452452293050082
2015	0.0445198508958064
2016	0.1081205537878839
2017	0.1615345621091832
2018	0.2810426806339019
2019	0.3036287146930287
2020	0.16076655981904478
2021	0.8151931243819504
