Year	% of GNI
1976	33.05257592270966
1977	29.59849216378776
1978	29.044167807240495
1979	29.374636408982777
1980	27.948677509567503
1981	25.486609132698273
1982	26.291353124390564
1983	24.806556853106798
1984	25.794917598405817
1985	25.967714277418168
1986	26.5248246546974
1987	22.820727700734363
1988	24.470955914110423
1989	22.995763379252345
1990	22.4461179248032
1991	24.801121321785715
1992	23.603702946306992
1993	22.812753583879225
1994	23.47797627924114
1995	22.122586603591515
1996	21.137112851796207
1997	21.600225546582415
1999	17.205901609434886
2000	17.9780180857181
2001	18.3848465251323
2002	16.87910813974173
2003	18.15276827722996
2004	17.730239293615092
2005	15.525295854758
2006	15.650029057824758
2007	13.072939635016546
2008	10.410590755707355
2009	6.063516320534432
2010	7.53667038511636
2011	4.794170164024642
2012	7.787550389929244
2013	10.480534432021866
2014	10.745312173874773
2015	10.692925030576276
2016	10.621675734052898
2017	9.72254972665041
2018	9.829027944924427
2019	10.28401799354259
2020	6.701127495584002
2021	9.905048061604251
2022	10.347578962127956
2023	11.840824409254289