Year	% of GNI
1974	25.049174269668715
1975	20.956113823052007
1976	29.224099599718876
1977	28.367241845940736
1978	28.886862298914355
1979	34.90778735069347
1980	30.412531622126505
1981	26.15733247002967
1982	25.08122591595975
1983	28.12684566808212
1984	30.72308645227041
1985	27.588171538334663
1986	27.452183572537564
1987	33.08104695443426
1988	33.49907193650996
1989	32.50377534068164
1990	31.732110123928887
1991	30.82974249917086
1992	33.47506413614494
1993	36.46356937191938
1994	36.86664958178868
1995	35.551682770267114
1996	38.84750962070693
1997	39.11602389243798
1998	42.12775812937443
1999	41.16457885221417
2000	39.087947186496166
2001	34.77929752015561
2002	35.025659496526615
2003	36.83501080175251
2004	37.0443860281199
2005	38.51209877055718
2006	39.95429644491919
2007	39.59919097964701
2008	39.70554984983211
2009	34.04222601204504
2010	34.56606465787159
2011	34.90883326589485
2012	32.09992946535033
2013	30.434972633194768
2014	30.37189696328044
2015	29.195730366291794
2016	29.19308335327827
2017	29.157356807673477
2018	26.9680915321364
2019	25.20420296119433
2020	24.30983540522177
2021	26.717652195634454
2022	27.50092555517906