Year	% of GNI
1970	2.4366290177071854
1971	2.546268981041702
1972	2.590947492593609
1973	2.2401157357716355
1974	2.189313902886174
1975	2.121696113811974
1976	2.354948811537928
1977	2.398800296448189
1978	2.458179713541805
1979	2.4165780231959118
1980	2.4255425521041074
1981	2.3882728361970265
1982	2.354676980503838
1983	2.317622545157575
1984	2.2324227654216227
1985	2.1098493070693736
1986	2.2026241316590287
1987	2.26857189468952
1988	2.2201779042356686
1989	2.1295225224126133
1990	2.2715056376907294
1991	2.3295157402641347
1992	2.4023598896896554
1993	2.4026151648713414
1994	2.3772031684266905
1995	2.322607856080651
1996	2.1261944386004696
1997	2.150222583025027
1998	2.0294271286293837
1999	2.000054818760646
2000	1.9649813509568002
2001	2.104086071910001
2002	2.149289384276708
2003	2.3450567373575244
2004	2.3844500100079737
2005	2.428488795401896
2006	2.4684409100190345
2007	2.5244016438575305
2008	2.5842339809816757
2009	2.656126597879021
2010	2.663892932934915
2011	2.7756605522230045
2012	2.8009652845408017
2013	2.794203944787046
2014	2.8401135456164663
2015	2.723806605258521
2016	2.5867615439723575
2017	2.5705372217224967
2018	2.5225255240385818
2019	2.4077423167814307
2020	2.3836017427536715
2021	2.392841128055327