Year	% of GNI
1970	1.8591363
1971	1.8591363
1972	1.8591363000000003
1973	1.8591363
1974	1.8591363
1975	1.8591363000000003
1976	1.8591363
1977	1.8591363
1978	3.5
1979	2.6
1980	2.204037010407771
1981	2.317980473866189
1982	1.9909513698574233
1983	2.578965209217159
1984	2.177301546636218
1985	1.9934510831639565
1986	1.953262845606501
1987	1.7543795921303282
1988	3.5285616667757234
1989	3.388378936177787
1990	3.723909706350575
1991	3.7649891464143646
1992	3.8581528144626325
1993	3.923271484822795
1994	4.157587264822862
1995	3.8551328425333424
1996	4.117640256428031
1997	4.078912062666693
1998	3.687994773253237
1999	3.4934761130275516
2000	3.43714104719976
2001	3.7431483988815786
2002	3.6710720499907086
2003	3.6459054204626193
2004	3.712648823753212
2005	3.7297153332287225
2006	3.6969586260977865
2007	3.6941136944765818
2008	3.767082658336296
2009	3.861455710343505
2010	3.886072504530503
2011	3.861628677142184
2012	3.8872327143861543
2013	3.8792524196942404
2014	3.922749605347997
2015	3.831100418908782
2016	3.89204143421632
2017	4.110191079988755
2018	4.098567994554744
2019	4.22207541092097
2020	4.225866296322893
2021	4.231782596033165
