Year	% of GNI
1970	22.675795312292387
1971	24.103738110934188
1972	23.059908826739527
1973	23.359784266237195
1974	32.74460573461989
1975	26.053329528900026
1976	29.961204169640293
1977	64.0497336607211
1978	72.84396069656977
1979	77.79516743052926
1980	89.22938131573984
1981	135.83879320510346
1982	145.98767543870744
1983	178.87635961044936
1984	189.8697341134698
1985	187.5274974090944
1986	195.7364110200439
1987	196.1118769103948
1988	199.17488540744912
1989	200.12799608917882
1990	268.83115408993115
2013	50.63552747240525
2014	43.60296185369045
2015	39.83189559547611
2016	37.28924345739485
2017	34.47188606930815
2018	67.42301253798705
2019	59.898725058814165
2020	50.82159985538532
2021	42.98571568006216
2022	40.13648901969619