Year	% of GNI
1975	12.866512793673648
1976	13.19311407777572
1977	12.729426031019887
1978	13.128439904562425
1979	12.619878690782286
1980	10.857458831871693
1981	9.097260472611355
1982	8.715268185393347
1983	8.96184745007935
1984	9.600129074978879
1985	9.749409789400207
1986	10.775374435106738
1987	10.249386439143667
1988	10.81899661728326
1989	10.688093875662592
1990	7.187229884511388
1991	6.641873169518443
1992	6.6297344084545395
1993	6.109581583306424
1994	7.794780187664337
1995	9.0334759423322
1996	9.289272263241319
1997	9.720761236963845
1998	10.29058649775363
1999	9.949896920077425
2000	9.758011785314041
2001	9.453276749932563
2002	9.117556999324028
2003	9.063969370315926
2004	9.840740653620495
2005	10.11279444810648
2006	10.747950264076966
2007	11.262514657650406
2008	9.84217304322743
2009	6.918983574300549
2010	8.408444090064432
2011	9.17059048475996
2012	8.681927762026715
2013	8.478423200475161
2014	9.054248341307469
2015	9.590698704080417
2016	9.637089874343175
2017	10.377783952626693
2018	10.600920628249222
2019	10.533483321276806
2020	9.01171716474713
2021	10.662863115565159