Year	% of GNI
1975	22.801255208490225
1976	23.242709705331823
1977	23.304611890472636
1978	23.63281909194145
1979	23.449049841490858
1980	22.376976410723614
1981	21.1190792838676
1982	20.82010179215678
1983	21.068977258929166
1984	21.76734032788082
1985	21.899360658033746
1986	22.3246771345084
1987	21.80772859887338
1988	22.60568179007893
1989	22.824713525271534
1990	22.724611937000113
1991	21.829804272418585
1992	21.038899799513796
1993	20.722402655585793
1994	21.75398514814628
1995	22.437525589119367
1996	22.192489472208944
1997	22.239959809300327
1998	22.615549942731665
1999	22.294154705643336
2000	22.75805600711252
2001	22.619802996300844
2002	22.25317468877077
2003	21.96518284872014
2004	22.5659800839564
2005	22.902948885286865
2006	23.693947245229015
2007	24.087048491083237
2008	23.323326594473514
2009	20.69956743236608
2010	21.920630820290413
2011	22.971981580869056
2012	22.574792401925652
2013	22.33391353460195
2014	22.7727638857252
2015	23.284313416118607
2016	23.342628399198478
2017	24.172934552326776
2018	24.70412156799629
2019	24.791081425411107
2020	24.121387589796147
2021	26.37594820968267
2022	26.17977123134248
2023	25.253712415180416