Year	% of GNI
1970	0.2166504020740154
1971	0.3371277319108424
1972	0.6229448833420682
1973	0.6171938385625484
1974	1.345578870161909
1975	1.5698216889446166
1976	1.8025744366291347
1977	1.6850887448309482
1978	1.5949949918174808
1979	2.1867826130674706
1980	2.4624247113006836
1981	2.788475981960037
1982	4.2577889999221235
1983	4.049601242371204
1984	5.201887002732414
1985	5.365989480249212
1986	4.538218942504831
1987	5.649346290336834
1988	8.845214229171516
1989	6.779109573691492
1990	8.729369591583268
1991	6.390674322676835
1992	4.992909901733395
1993	5.630627136545307
1994	6.472697369623065
1995	6.551995234573134
1996	5.270945527179893
1997	5.889590757273408
1998	4.8211494728547954
1999	5.046467767845487
2000	5.129105490908073
2001	5.14594683120466
2002	5.060714056636422
2003	5.479519605161981
2004	4.933850433802277
2005	3.3569256204788442
2006	2.1022462186617075
2007	2.3881902891880977
2008	1.7700118084118335
2009	0.7731975464557523
2010	0.6356073787966965
2011	0.605260537317219
2012	0.47639827031280696
2013	0.4769930409786803
2014	0.4115533263178081
2015	0.4308303708326846
2016	0.49503148248831963
2017	0.6194720833045506
2018	0.7934896274203258
2019	1.870407748002727
2020	4.2753077584794905
2021	2.5814092270057634
2022	1.2411155342230142