Year	% of GNI
1980	3.9182286492796035
1981	3.7197384300262732
1982	4.386544514281627
1983	4.399043940029478
1984	4.378674847428145
1985	4.360502440920238
1986	4.568516874586233
1987	4.713456260213647
1988	5.039654350532022
1989	4.570917774783654
1990	4.192014707132516
1991	4.517711940909462
1992	4.488244400836065
1993	4.261493667210739
1994	3.9495123671439147
1995	4.261531630665983
1996	4.4929381262868935
1997	4.7678671813302484
1998	4.763104680402472
1999	5.884257088555913
2000	5.7657887159717385
2001	5.302894702212482
2002	5.256327902804246
2003	5.198765353828202
2004	4.347798807189
2005	4.165051863638728
2006	4.0314412646935365
2007	3.3527756516657834
2008	2.860746386949931
2009	2.7558090844694747
2010	2.5113881342373476
2011	2.321232885897665
2012	2.3992691080004853
2013	2.518933155861002
2014	2.707167586284086
2015	2.974540852943678
2016	3.4453774325354094
2017	3.285803633135816
2018	3.389600168134588
2019	3.812584100338303
2020	3.7460398411066023
2021	3.4114764813990583
2022	3.5272356320485185