Year	% of GNI
1973	6.660370528735929
1974	6.2966361686417756
1975	6.643765819994317
1977	6.254440059256467
1978	6.578573684415611
1979	6.733429561386711
1980	6.898732198315104
1981	6.466335072675578
1982	6.252171126066959
1986	6.029192004461107
1987	6.193162855986932
1988	6.974005325152779
1989	6.742833778303445
1990	6.456935724103904
1991	6.704058030977007
1992	7.0491038773143115
1993	7.157903515547345
1994	7.3303640304817215
1995	7.37950471050505
1996	7.837785187950063
1997	7.753531586023622
1998	7.845774736861114
1999	7.7220034852307355
2000	7.853871414435081
2001	7.523936291255543
2002	7.534609717387336
2003	7.336803504071495
2004	7.468835990753956
2005	7.431356713697004
2006	7.485200491501588
2007	7.340376785293171
2008	7.420589917135301
2009	7.250627340884091
2010	7.505220844022693
2011	8.137576405098747
2012	8.849436284817848
2013	8.713852729733354
2014	8.420373682752402
2015	8.265655433214468
2016	8.10671225587843
2017	8.189714459381973
2018	7.994146370045565
2019	6.186764743018039
2020	6.179606905104143
2021	6.189199731327726