Year	% of GNI
1970	2.487363890627095
1971	2.573284203087732
1972	2.6296948142051018
1973	2.690796583666887
1974	2.635457280621065
1975	2.6559286093603225
1976	2.9849110513075092
1977	3.1034119714869277
1978	3.2362083780164723
1979	3.067132852677397
1980	3.0739259077742984
1981	3.2512841132368857
1982	3.238964591777248
1983	3.316799693407133
1984	3.3243279324193797
1985	3.2519967291741025
1986	2.8874725572971287
1987	2.87029640724138
1988	2.67612907222038
1989	2.508875928386669
1990	2.687775895843922
1991	2.744698302279475
1992	2.7769513230419176
1993	2.7221385188595417
1994	2.81096311467534
1995	2.704006522406484
1996	2.477304624559352
1997	2.3719132232395226
1998	2.2323220167117497
1999	2.339254577918497
2000	2.2619236567016783
2001	2.418111381619763
2002	2.462058958322599
2003	2.5722014893595064
2004	2.6439667836863383
2005	2.64445636226074
2006	2.701714446903226
2007	2.7123124225610225
2008	2.744790807768693
2009	2.8176091835868826
2010	2.7649591118115047
2011	2.948733192685586
2012	2.9998206933771665
2013	2.8984618966004425
2014	2.9804864973680503
2015	2.899526344612423
2016	2.8122796203332654
2017	2.8362320810217647
2018	2.880687739485537
2019	2.844068643776392
2020	2.8812927504951693
2021	2.888556436370895