Year	% of GNI
1973	6.1398965778989
1974	10.04150939537755
1975	8.644508248868647
1976	19.73211733871578
1977	24.26645786668941
1978	21.302619755115657
1979	19.098370779502027
1980	20.940908911283724
1981	20.442718194955027
1982	26.21260144883432
1983	29.500079379859816
1984	28.48834124182899
1985	28.823502182911433
1986	35.644402486994466
1987	39.1603036422247
1988	37.80082496573098
1989	36.37515678482963
1990	38.13290121847203
1991	41.10772390402658
1992	41.343960770498
1993	41.46034149359523
1994	44.48178335824306
1995	40.24564344082205
1996	31.83460855350077
1997	28.737782085582197
1998	30.16083573981001
1999	31.13025050369081
2000	28.31228579177898
2001	26.925869643047758
2002	29.32377541071946
2003	29.464951115615314
2004	29.023105305011608
2005	25.514224933076534
2006	26.572916233522403
2007	25.405554036322926
2008	23.658233300350066
2009	22.945011310493353
2010	21.322720343264624
2011	19.48238366522646
2012	20.15737504835211
2013	20.027053079684492
2014	19.12712685405694
2015	18.631201280282212
2016	14.971120190689065
2017	16.804467992995452
2018	17.0916074053336
2019	17.085324842712314
2020	18.88928514326
2021	20.87695519414692
2022	20.276962355605296