Year	% of GNI
1981	21.6445927345079
1982	21.7605877585238
1983	21.8730902429056
1984	22.1142735817057
1985	22.8256681638964
1986	22.3844975600455
1987	22.5343220604929
1988	22.256138350682
1989	22.9943284852181
1990	23.6395029874019
1991	10.5318574993363
1992	7.67372416274716
1993	5.0247716180524
1994	6.89282932653909
1995	5.85046251290731
1996	5.00053445452275
1997	7.47350814764079
1998	9.62470652326178
1999	8.99220618014509
2000	9.75657322724323
2001	11.8804670554886
2002	10.7251461985998
2003	9.95770285125729
2004	8.06600418825333
2005	8.23211253559878
2006	7.61168237982971
2007	6.75350090185965
2008	6.76214497315391
2009	8.27387638674511
2010	7.64901683093703
2011	6.6051933600739
2012	7.05643662718767
2013	6.66409238732921
2014	8.36209733538703
2015	14.0946034478454
2016	15.321641425501
2017	15.1905346776076
2018	12.4338692129334
2019	12.2497262695686
2020	13.3740977078211
2021	13.5024289422424