Year	% of GNI
1980	44.89318212927992
1981	37.05649092794749
1982	31.5955872308057
1983	20.5038750310109
1984	11.6133760617985
1985	9.0693798971679
1986	12.8823757475693
1987	7.84754200319664
1988	8.22916148444175
1989	10.4602205047597
1990	16.0986913425961
1991	20.9695002431182
1992	26.0279633806247
1993	19.79995191328
1994	19.2988894935281
1995	19.7082961930082
1996	18.7243742296842
1997	16.8945888801281
1998	16.81351061931186
1999	12.49290213473233
2000	12.262073212930742
2001	12.8623782483298
2002	14.56398759099885
2003	21.327748923650297
2004	15.607510656323056
2005	14.335946010026731
2006	13.564993662728789
2007	16.455190140449904
2008	16.711854920066166
2009	9.617098002963337
2010	8.236702117274884
2011	9.299358744030025
2012	10.887693540445678
2013	10.867594615051727
2014	10.545628630658989
2015	10.989830099210069
2016	12.934061784783154
2017	12.41108112498893
2018	9.02687136818998
2019	8.17603038916458
2020	8.51651964032318
2021	8.63533350306792