Year	% of GNI
1981	87.9330766247787
1982	85.1293042973635
1983	76.2028221251657
1984	61.4055861508565
1985	49.1347902364053
1986	54.8901660922373
1987	54.0534195719217
1988	48.4883624547045
1989	67.5572234616245
1990	62.3567400708707
1991	59.3607070598398
1992	52.1217933929441
1993	49.5650878224833
1994	43.6770390051176
1995	43.7523895427897
1996	40.3933847911015
1997	43.0509433985944
1998	35.0832630533884
1999	47.4213152859301
2000	55.5698767095503
2001	36.0891126410302
2002	31.1098363938035
2003	29.4040155184969
2004	32.510243666813
2005	39.2100795298872
2006	50.8281172875179
2007	27.9488188315242
2008	33.4550574968051
2009	26.1299193020976
2010	25.6415732645978
2011	26.5848398443614
2012	34.7398815820405
2013	20.1919060659337
2014	23.0387232910294
2015	17.4078899386058
2016	16.1939966208628
2017	18.8413813616446
2018	19.823422094967
2019	23.2040814697558
2020	29.6798859102989
2021	35.2259464270484