Year	% of GNI
1970	2.73071014639254
1971	2.539082598870008
1972	2.6715832405027133
1973	2.642955890095695
1974	2.6549140776820015
1975	2.635216267174381
1976	3.032263908482842
1977	2.883522224828461
1978	3.1499490127801155
1979	3.132232564462295
1980	3.0047765018508876
1981	3.197719594335302
1982	3.2673095416663944
1983	3.061883166646704
1984	2.8983010271912626
1985	2.8055578073502034
1986	2.885881074265152
1987	2.928052658855973
1988	2.9651681320101626
1989	3.213965085651758
1990	3.2871759495021933
1991	3.220215622600318
1992	3.3387147169556775
1993	3.319505070714459
1994	3.4667683602683286
1995	3.3597108989850035
1996	3.4194767482163937
1997	3.5376036770044035
1998	3.4885556695032007
1999	3.3432343289511666
2000	3.360815738836835
2001	3.410841112536686
2002	3.3281102780414717
2003	3.3531981173266066
2004	3.3034443256829595
2005	3.36423994744027
2006	3.3486124672921966
2007	3.320675938070487
2008	3.3138472932364835
2009	3.378879933374407
2010	3.379560598439502
2011	3.376734351829312
2012	3.3238387406246814
2013	3.2747647522902783
2014	3.246477102338479
2015	3.083766030071258
2016	3.067600656834113
2017	3.1040707904304496
2018	3.0026374325140623
2019	2.987821262028974
2020	2.919250186992798
2021	2.903031900864234