Year	% of GNI
1970	5.225908953948705
1971	5.4678400252656605
1972	5.205569485494012
1973	5.2201638890621025
1974	5.382025188358576
1975	5.397584566489809
1976	5.639630622078895
1977	5.958510063683878
1978	5.87455501820052
1979	5.9387265203655115
1980	5.722036170897661
1981	6.110811706948497
1982	6.493580594614781
1983	6.94460749827483
1984	6.323079343786736
1985	6.534503988697105
1986	6.621842445860476
1987	6.676148259599937
1988	6.672918877437255
1989	6.057346300288489
1990	5.9472614351088495
1991	6.0865416133850285
1992	6.04367097904182
1993	6.100777158567178
1994	5.932215194938632
1995	5.892311233147709
1996	5.766700041573633
1997	5.668089074660143
1998	6.038121461783586
1999	5.946585213672369
2000	6.268232713489531
2001	6.434162282427643
2002	6.538115888983259
2003	6.522694692267028
2004	6.541282137213278
2005	6.385498714221671
2006	6.276751698844471
2007	6.127869024831943
2008	6.1580343898073355
2009	6.500455031114385
2010	6.369743187781371
2011	6.155523821626942
2012	6.102793803835205
2013	6.003983149228405
2014	5.910637419722212
2015	6.021613030738306
2016	5.998462017595487
2017	6.007261454898844
2018	5.860491560990683
2019	5.796854532555505
2020	5.997655809369773
2021	6.010191967974672