Year	% of GNI
1981	23.7014464758288
1982	21.4504670768526
1983	23.2714557552387
1984	15.1731275922771
1985	8.62376192862195
1986	8.98391185035518
1987	12.8555814510256
1988	14.634013638718
1989	14.8063396272417
1990	15.0064046539806
1991	13.1625015182207
1992	12.5178370221321
1993	11.2599369838763
1994	13.1375392072955
1995	12.5656095480033
1996	13.1817191257577
1997	14.6082178104318
1998	18.1399269223796
1999	24.1935656826331
2000	23.0123779419095
2001	23.6636540131159
2002	24.2083185276615
2003	24.415538906157
2004	22.662214238668
2005	23.8364848815985
2006	23.5295553373749
2007	23.1860631043445
2008	22.5799269005356
2009	24.1587133756733
2010	25.8510627389081
2011	23.8994182171057
2012	22.6567426134637
2013	23.5656210099301
2014	24.5578522279982
2015	23.5220235896723
2016	23.2744205831869
2017	23.8296906161864
2018	22.2718406414907
2019	19.8998199066673
2020	13.6125176922642
2021	9.39607066761222