Year	% of GNI
1978	16.82692206698491
1979	14.136666097005927
1980	11.553840534810924
1981	12.334452349746101
1982	15.22881841139495
1983	19.868520527399507
1984	25.490648746214134
1985	40.846873746610235
1986	54.211026149940565
1987	66.15903883246122
1988	61.72270603951016
1989	60.59952929304402
1990	57.48569543980716
1991	59.2481235227081
1992	36.38764999284485
1993	50.71831690789942
1994	38.73982515292488
1995	34.30837819408891
1996	29.292704893500925
1997	27.012641016626244
1998	34.376150003688394
1999	35.212298755655944
2000	37.58253819888533
2001	40.04503334409174
2002	53.330306037288224
2003	43.75267746722995
2004	38.20474812942006
2005	30.18823682113328
2006	28.905290132557788
2007	26.95113880993471
2008	23.165759062680586
2009	23.00221720377797
2010	27.013536574591367
2011	26.009246328500762
2012	20.224919682466624
2013	15.815093318839256
2014	14.202644727770974
2015	16.16116939667085
2016	19.73888261529784
2017	26.158760303912267
2018	20.285599199697128
2019	21.868990037685915
2020	27.284556040090102
2021	30.160829633999626
2022	31.329098223071306