Year	% of GNI
1977	0.8865975336277622
1978	1.2881755462883655
1979	1.9750337179904456
1980	2.1719595230536863
1981	1.358608012077676
1982	2.346050915657339
1983	3.6709684273462537
1984	3.639884421006346
1985	3.830520492752741
1986	3.517483811973953
1987	2.830925542680606
1988	3.126237289808831
1989	1.7640292835013796
1990	1.553349660115837
1991	1.3556871222775597
1992	2.125222946327637
1993	2.970042875426385
1994	3.0079922983777907
1995	2.4278805278436826
1996	2.384402537233654
1997	1.9702366397325766
1998	2.7068108309322363
1999	2.611092216587359
2000	2.9876177597285243
2001	3.5979436175369464
2002	5.767183243099739
2003	5.756794929518904
2004	5.522167107462198
2005	1.591741763135351
2006	2.2460159744301182
2007	2.6913813636872725
2008	2.727474824378147
2009	3.230603508081635
2010	3.5611667582373885
2011	3.3726825493618002
2012	1.9662567565625968
2013	2.7601866901873473
2014	2.5348492016534467
2015	3.06185992454703
2016	5.405026334290144
2017	5.958598642458904
2018	5.300058760432017
2019	4.9677645055500355
2020	5.070083040888879
2021	5.074148427734375
2022	4.540898049178576