Year	% of GNI
1970	0.7739351775527145
1971	0.8502449458406105
1972	1.1975597099877051
1973	1.980983883013815
1974	4.209419534036734
1975	5.00320793839854
1976	6.095945190886977
1977	6.524042945414147
1978	6.9592578174960895
1979	12.502650869891285
1980	12.795017993045276
1981	10.655440225876276
1982	8.508793612175802
1983	7.949463402788786
1984	6.911441621411528
1985	6.522551102190103
1986	4.170872726837457
1987	5.503593210159863
1988	4.7806635460654725
1989	5.677159724954728
1990	6.488116917326538
1991	4.367243410800621
1992	4.157067321665155
1993	3.558465301352281
1994	2.8293394125247016
1995	2.7023050359268925
1996	2.585991819462331
1997	2.1703272065831944
1998	1.5037239353148997
1999	1.8353999463540875
2000	2.938168792645717
2001	2.3951568751445182
2002	2.0029800147108823
2003	2.1681916382261237
2004	3.4283454622894705
2005	3.970615130267414
2006	4.127188232622116
2007	4.324575876969179
2008	5.73950262959715
2009	2.5867748430523685
2010	3.928563604156493
2011	4.859230157559749
2012	2.7043118914060718
2013	2.0920107130614647
2014	1.7238088437602905
2015	0.9448857951897361
2016	0.7997831837329921
2017	0.9425682752642368
2018	1.1018042326691004
2019	0.9428989130276897
2020	0.6285939959290905
2021	1.2878849275524145