Year	% of GNI
1975	14.552591679428593
1976	8.833085893162453
1977	11.524112431362072
1978	5.420796786052378
1979	8.28444020253961
1980	6.35102882587299
1981	5.720844152256781
1982	5.569410618606916
1983	4.295139201087731
1984	6.819552294016762
1985	8.178320074302011
1986	7.084879847394794
1987	7.782594556458281
1988	10.22206217038104
1989	11.666935299926086
1990	10.73837233988349
1991	12.085515206353657
1992	7.0492636223338145
1993	13.082625730085992
1994	19.474392682755102
1995	17.99617796390159
1996	18.47818624813205
1997	10.617003812093015
1998	18.40520368820361
1999	9.566310538396877
2000	15.72977736697294
2001	21.530560361859088
2002	19.156444581903937
2003	21.623677911040275
2004	23.39370061441682
2005	19.44463952725416
2006	17.90203451066517
2007	6.782180777271183
2008	4.358703234827122
2009	11.076294765783674
2010	4.953030919241366
2011	4.006320054613145
2012	5.549350089630873
2013	15.6303220778225
2014	19.238215879158084
2015	21.757213763300392
2016	19.396189932290326
2017	16.68108472298197
2018	20.940379903228873
2019	18.345038490846196
2020	20.85712284433754
2021	16.08727554756689
2022	18.14106097840972