Year	% of GNI
1971	2.05075536344866
1972	1.8827027843864157
1973	2.283859810947305
1974	3.5835956779288187
1975	3.6678055977395774
1976	6.130106598026841
1977	5.633493011004598
1978	3.029724603533441
1979	3.568281711873164
1980	3.387513805120699
1981	2.35347626860052
1982	2.797908726481593
1983	1.8870746017084148
1984	1.503222078733169
1985	1.6198808415029737
1986	1.4114213522603756
1987	1.087943076258606
1988	5.349102933197168
1989	4.1888647406552
1990	1.518955783934168
1991	2.169556175233658
1992	1.415695932098158
1993	0.824803660516505
1994	1.270586735424326
1995	1.6921703462261681
1996	1.009456857600264
1997	1.008832704582098
1998	0.6994478234849781
1999	1.0526407628309826
2000	1.7861282085836827
2001	0.9191269655395229
2002	0.860116544496611
2003	1.6814600386345235
2004	2.7673228337493034
2005	2.0068999487436217
2006	5.24533163394138
2007	5.50127634716028
2008	3.020144853201877
2009	1.553335789098405
2010	1.546400046369841
2011	1.286017454587347
2012	1.544683142778966
2013	1.012163484920499
2014	0.754636618522821
2015	0.7135861673359011
2016	0.7173457696216305
2017	0.791619654383918
2018	0.760635689290875
2019	0.5665656513569934
2020	0.5748556711399162
2021	0.8559992469346029