Year	% of GNI
1990	5.998066662176952
1991	6.023431582749741
1992	4.663099538586919
1993	4.4544169713884
1994	4.256945074905569
1995	4.251648080450937
1996	3.7592169318903985
1997	3.5861866762019656
1998	3.510679262596821
1999	3.452597572259279
2000	2.8473551211348056
2001	2.803249341799983
2002	2.7491319498281275
2003	2.6678007995206454
2004	2.557237478041414
2005	2.5225414813427895
2006	2.420173358678335
2007	2.319369808880969
2008	2.172539462571771
2009	2.0474571911803574
2010	1.9551112465405505
2011	1.9865742432599194
2012	2.0179890732157655
2013	2.152319361494818
2014	2.011969593062433
2015	1.9461330437112279
2016	1.8309722898292966
2017	1.749327235136203
2018	1.6551821170714376
2019	1.5754075840819821
2020	1.5714565863583418
2021	1.5038455895739027