Year	% of GNI
1974	32.309675279540386
1975	32.90861611110228
1976	34.299796828280165
1977	32.11766177091736
1978	31.14096944271864
1979	34.077776483313166
1980	29.30053875109967
1981	33.17885328864457
1982	32.616263177150394
1983	29.507162583652168
1984	30.157998127468183
1985	35.64609035895913
1986	39.37897008099429
1987	24.763990434201997
1988	29.234429409840747
1989	26.655745404023296
1990	22.058525601899653
1991	18.885639816260667
1992	18.65787619779671
1993	18.800281664579664
1994	18.657286902243634
1995	19.9870541872819
1996	22.15808992941197
1997	20.822567834047735
1998	26.01260100289785
1999	22.125175379100714
2000	21.720880232748613
2001	22.06696875445863
2002	22.886418905768238
2003	21.025098755494618
2004	22.617003130401688
2005	23.893778979309634
2006	24.894215400682448
2007	24.134643244130306
2008	24.865724648322324
2009	22.21164169652642
2010	21.981962094532935
2011	23.228013404843647
2012	23.55666911191063
2013	24.12884061133273
2014	25.119539358685685
2015	25.500128279854536
2016	25.24845016805488
2017	26.38640775173587
2018	28.391589805270506
2019	26.808546219751573
2020	27.400186638340237
2021	31.026639417664168
2022	30.323212081343677
2023	26.287012776537345