Year	% of GNI
1975	30.420485448071492
1976	28.84075422726618
1977	26.562598559736763
1978	27.2928325798544
1979	27.613068737388847
1980	31.47865458028069
1981	32.12330903911496
1982	30.72371456376843
1983	31.209187358495555
1984	33.68029617299238
1985	32.677190843295016
1986	27.350750454797875
1987	27.223505312242352
1988	26.92962653999636
1989	27.855989899038978
1990	27.560903756867333
1991	26.310128385681992
1992	25.44181656147108
1993	25.491429717975816
1994	26.270545286524897
1995	27.914550801344287
1996	29.846600291762517
1997	31.531785847227756
1998	28.327793339170324
1999	30.362389949108675
2000	37.14133705538041
2001	36.483170817958595
2002	32.7932231380571
2003	31.566191378168238
2004	34.190517405930116
2005	38.659208548928945
2006	40.53027563359491
2007	39.971479119669844
2008	42.411696973439824
2009	35.635728423833115
2010	36.56001017246888
2011	38.61187832790984
2012	39.142808290930724
2013	38.22690733855038
2014	37.94399842746683
2015	34.572469597484115
2016	31.579364320022584
2017	32.670985316842426
2018	35.2653481135986
2019	32.4245539853853
2020	31.14830474836666
2021	39.300192544694816
2022	50.34999150551653
2023	41.40748313617799