Year	% of GNI
1970	0.7739351775527143
1971	0.8502449458406104
1972	1.1975597099877051
1973	1.980983883013815
1974	4.2094195340367335
1975	5.00320793839854
1976	6.095945190886977
1977	6.524042945414145
1978	6.9592578174960895
1979	12.502650869891285
1980	12.795017993045274
1981	10.655440225876271
1982	8.508793612175804
1983	7.949463402788784
1984	6.911441621411528
1985	6.522551102190103
1986	4.170872726837456
1987	5.503593210159863
1988	4.7806635460654725
1989	5.677159724954729
1990	6.48811691732654
1991	4.3672434108006195
1992	4.157067321665155
1993	3.558465301352282
1994	2.8293394125247007
1995	2.7023050359268925
1996	2.5859918194623304
1997	2.170327206583195
1998	1.5037239353149001
1999	1.8353999463540875
2000	2.938168792645718
2001	2.3951568751445187
2002	2.0029800147108827
2003	2.168191638226124
2004	3.42834546228947
2005	3.9706151302674146
2006	4.1271882326221165
2007	4.3245758769691784
2008	5.739502629597149
2009	2.5867748430523676
2010	3.9285636041564924
2011	4.8592301575597485
2012	2.7043118914060713
2013	2.0920107130614647
2014	1.7238088437602903
2015	0.9448857951897366
2016	0.7997831837329923
2017	0.9425682752642369
2018	1.1018042326691009
2019	0.9428989130276898
2020	0.6285939959290905
2021	1.287884927552415