Year	% of GNI
1974	5.43208293774597
1975	7.81739613180094
1976	10.350312905522
1977	14.0272775597593
1978	21.0840372774269
1979	19.6507977596649
1980	17.3522785933956
1981	10.3890635996345
1982	6.95746032129694
1983	9.20876110083544
1984	2.48006254957315
1985	8.57303543826872
1986	10.0072096617327
1987	4.4869709249769
1988	13.5868477708264
1989	6.76470164977756
1990	6.83515487802895
1991	8.18812799812871
1992	6.05404222108785
1993	5.40991698189706
1994	9.49095847839188
1995	8.44178492269165
1996	13.264872208338
1997	11.2715624869943
1998	12.9637303457149
1999	10.1529862339808
2000	12.9030531008555
2001	14.580289373191
2002	13.8908899014086
2003	13.3724080649175
2004	12.2144252874101
2005	19.022797557266
2006	19.4573048810053
2007	17.6082368459318
2008	20.5719957946869
2009	15.6125349913912
2010	23.0204813091865
2011	20.8620527313762
2012	22.5424490584833
2013	23.2785674158636
2014	23.8997632912632
2015	23.032568683771
2016	20.637901847043
2017	19.7125762639546
2018	21.9557775129039
2019	23.9206654790399
2020	13.6468038361028