Year	% of GNI
1973	3.868681885650179
1974	4.910056955115227
1975	5.250980228824625
1976	4.8268827860674
1977	5.388124698945954
1978	5.705937212141508
1979	7.095133391782299
1980	7.037376331560383
1981	6.276179251850166
1982	6.130621028372639
1983	5.5384236686241195
1984	5.36236377843628
1985	5.527266533681514
1986	7.4749465996754205
1987	8.341781287467951
1988	8.09423918777368
1989	7.8449381678919625
1990	8.513516482748248
1991	8.00272520131883
1992	9.275689021757197
1993	8.156443076959926
1994	9.600759670752259
1995	9.113042295201113
1996	7.150312268723928
1997	6.0906206868012065
1998	6.041467552053546
1999	5.748906214398327
2000	5.078866586433618
2001	5.968675004108806
2002	6.901414062833075
2003	8.044121596343974
2004	7.632605127825251
2005	6.7604892910509005
2006	6.482424260847404
2007	6.382299095801108
2008	5.962200455177643
2009	6.410798717702739
2010	5.950567375424216
2011	5.52267698879781
2012	5.630723512414562
2013	5.6512894612025075
2014	4.8687064603588865
2015	4.896646594833627
2016	4.8959251101814205
2017	5.158303828702874
2018	5.222514348937166
2019	4.879244259283958
2020	5.857853222732678
2021	5.001127614254078