Year	% of GNI
1981	77.3362865760467
1982	74.7811914627527
1983	66.2587882078811
1984	52.0948287549042
1985	39.0646065549793
1986	44.6722730547799
1987	44.5948749900172
1988	39.6274294422558
1989	59.2663836329702
1990	54.1305597084109
1991	50.9343474050336
1992	44.3761437017562
1993	41.6584107603283
1994	35.6490240112184
1995	35.7496464916861
1996	32.6612769592727
1997	35.2288055810217
1998	27.2387368725044
1999	39.8863988879023
2000	48.1241133029492
2001	28.6670581791631
2002	24.0249694999158
2003	22.1023905963677
2004	25.0548696665258
2005	32.1462576645993
2006	43.6292040079371
2007	20.2337742000703
2008	26.0163504076953
2009	18.7779246003522
2010	16.8170539637704
2011	17.848560343678
2012	25.9606748489091
2013	11.0763535881185
2014	13.8291156178329
2015	7.90636605205818
2016	6.9205013465522
2017	9.71062009432826
2018	10.2346781435467
2019	13.0393802300906
2020	18.5279538583974
2021	23.6775114050244