Year	% of GNI
1976	14.681956353034034
1977	15.80324682558646
1978	15.320898812558514
1979	15.760193974735555
1980	15.608455498023623
1981	18.45434243569202
1982	18.346661219432594
1983	18.6245068299124
1984	18.285903746915107
1985	17.914495640964475
1986	17.56561981451075
1987	18.79159674459385
1988	19.485915885029872
1989	20.536719860346352
1990	22.038824310210458
1991	22.20857557613825
1992	22.910043274002113
1993	22.72091738968968
1994	23.897047681661107
1995	23.940423778653493
1996	23.576199045755633
1997	23.94631615282551
1998	24.073235717454608
1999	24.61835766359031
2000	24.285778972361843
2001	24.799389400217656
2002	25.783625680573483
2003	27.125363472009315
2004	29.314524210792303
2005	29.636595699145417
2006	31.140352769080593
2007	31.428832406844478
2008	30.470340214037304
2009	29.382275972585152
2010	31.129855854264804
2011	30.151811700217067
2012	29.382009131721542
2013	28.66959406677752
2014	28.349183779781363
2015	27.231988104713178
2016	27.250272274052648
2017	28.053348726823344
2018	28.034917436901765
2019	27.41660863327547
2020	26.522428628898012
2021	26.81094378879871
2022	26.789695829958923
2023	29.42677277472087