Year	% of GNI
1970	3.1417295182502203
1971	2.893393730209448
1972	2.9768339486429474
1973	2.9468089709642715
1974	2.8941473104389654
1975	2.825107978752394
1976	3.274944613888855
1977	3.1176838832435982
1978	3.386370918156042
1979	3.455456443074205
1980	3.196894553966262
1981	3.2915980750079115
1982	3.3289400733840497
1983	3.249278192466511
1984	3.137598926597119
1985	3.161520824220748
1986	3.107110978316449
1987	3.2165441165428987
1988	2.996021564531746
1989	3.1386402572724337
1990	3.138179067568135
1991	3.1988932683913487
1992	3.4728703992460597
1993	3.46545090527191
1994	3.719419103596632
1995	3.6712120870137497
1996	3.7149934393021042
1997	3.7965373530429867
1998	3.867292329934013
1999	3.9596365517797487
2000	3.968637721929154
2001	4.070326094770539
2002	3.9888703796956397
2003	4.01004611098042
2004	3.8893793684724525
2005	3.9032910923981547
2006	3.8738305457261464
2007	3.8460763808476197
2008	3.9484694411668575
2009	4.100902476129672
2010	4.043192312272419
2011	4.116775555726096
2012	4.149822468129944
2013	4.098142839759944
2014	4.14336080264649
2015	3.9963781415818733
2016	3.920541701283528
2017	3.8727273464915752
2018	3.8445819031348094
2019	3.843660786684479
2020	3.83188673892554
2021	3.866153123061362