Year	% of GNI
1974	5.54643279355421
1975	5.18524884664975
1976	7.64837489476044
1977	6.68078137004198
1978	4.93845526545156
1979	1.15254187798817
1980	38.0293506062803
1981	30.0415852693777
1982	21.8224703536696
1983	22.4703056480488
1984	24.2121907483053
1985	15.8497912845353
1986	19.2371812982765
1987	23.77101185133
1988	15.6499819948492
1989	42.617887616837
1990	32.5163847403638
1991	27.1562990521462
1992	34.1567650593908
1993	34.8190248451899
1994	28.9687640890156
1995	4.68134838907576
1996	8.94530501701952
1997	7.07410951219928
1998	7.17839517393142
1999	8.29755382056076
2000	7.88896605985181
2001	14.4164995313193
2002	5.89479741372915
2003	10.3532557661048
2004	16.529849798759
2005	10.6167098935869
2006	15.3177686895872
2007	19.1853679390014
2008	23.9098286035645
2009	17.8669572732633
2010	16.8465373584245
2011	15.806730740386
2012	13.3107867785945
2013	8.60446388873567
2014	14.487250982148
2015	12.933363580675
2016	16.2172110515201
2017	15.1284752075559
2018	18.7209591798967
2019	16.7121486028293
2020	8.42119609394061
2021	8.90633129940501