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	30.084108978883123
1985	35.44222109763027
1986	39.071167664529376
1987	24.794825728513796
1988	29.109376147279534
1994	22.034206452271228
1995	19.96410818348841
1996	20.736241134430703
1997	19.356556693424015
1998	23.44027059058927
1999	21.272212921731725
2000	21.498576859990912
2001	21.98495827679506
2002	23.042144257592206
2003	21.734739696561324
2004	23.762904086780942
2005	24.68027920544956
2006	25.86929198153404
2007	24.78128430124872
2008	25.139741224460135
2009	22.593826644397986
2010	23.258530104566884
2011	24.640113952643677
2012	24.309642866923962
2013	23.8555321723486
2014	25.073638460421304
2015	25.266498000199128
2016	24.324560821861112
2017	25.587480841479113
2018	26.940773030154592
2019	25.330777204557073
2020	24.998793038218075
2021	27.369377205089364
2022	28.825240912154875
2023	24.371287956081623