Year	% of GNI
1970	2.955647097374218
1971	3.072211693755983
1972	3.2939234511106523
1973	3.2753147991669467
1974	3.063797690114675
1975	3.3261167004321
1976	3.3961771201506568
1977	3.1985244104196076
1978	3.4257854948638773
1979	3.5772246426512893
1980	3.4607727088484443
1981	3.414511048260109
1982	3.3554324313007715
1983	3.2444525363155026
1984	2.878589729186371
1985	2.84774694738362
1986	3.6169196541846667
1987	3.5847288921242266
1988	3.4604948684320473
1989	3.552942511517367
1990	3.6477574192251048
1991	3.7241132760193785
1992	3.7509552210082
1993	3.646107694721851
1994	3.2402727656627364
1995	3.036561681574669
1996	2.8622273149166513
1997	2.8637961926814692
1998	2.842492134539187
1999	2.9602387024242507
2000	3.02772593080254
2001	3.1726101482530944
2002	3.355772521576837
2003	3.4854253346073754
2004	3.4671138186023995
2005	3.4302477334884602
2006	3.183213081615211
2007	3.175774752873489
2008	1.7808609286094155
2009	1.9280616701201363
2010	1.8755267493836651
2011	2.0732816312249254
2012	1.9737373197488934
2013	1.967346990226648
2014	1.8500730109196697
2015	1.7451897312352378
2016	1.8967385352816564
2017	1.9933256377193809
2018	1.9814342488949745
2019	1.9154521833196323
2020	2.014050746665441
2021	2.08158796503404