Year	% of GNI
1970	0.43890521656573006
1971	1.0373400301337807
1972	1.2015223269992203
1973	2.0680184885070325
1974	2.2622660419529153
1975	2.1587308584265386
1976	3.4001887459203934
1977	7.241237031230568
1978	6.9869984923799295
1979	7.870057141902991
1980	10.439938533520142
1981	12.181463894357544
1982	14.651566539431817
1983	18.387537313048195
1984	17.935185097308125
1985	22.51036557822365
1986	26.090973225651798
1987	33.34695285787825
1988	33.44953357394053
1989	38.38645122301788
1990	44.68635402922214
1991	44.86808911778955
1992	52.66144719042272
1993	54.6130569084485
1994	56.886588695243155
1995	54.68543885305387
1996	52.94185575160325
1997	48.98832968606702
1998	54.873471808180554
1999	60.00789517183538
2000	52.128461376489724
2001	45.45041462109112
2002	49.605052461604735
2003	50.82847966033531
2004	46.42583698679283
2005	39.115476725148966
2006	37.342433881345016
2007	34.638830481477704
2008	29.18214478363118
2009	29.036683930972025
2010	23.488307437149615
2011	17.65006557125265
2012	17.43284363922098
2013	17.986359564902774
2014	17.259730774420063
2015	16.76955700119328
2016	17.29759803607215
2017	16.961122797952584
2018	16.535362076339556
2019	18.864583359755812
2020	23.36992861639836
2021	23.761443273292212
2022	22.256531951787554