Year	% of GNI
1974	21.54062115985631
1975	17.798363365775028
1976	15.332432374827272
1977	15.65443834750276
1978	10.08337358871938
1979	9.40610182610481
1980	3.5636386656825345
1981	7.6563487939865755
1982	8.21816841362514
1983	5.367470553797789
1984	5.145810809651234
1985	5.2549071196351225
1986	2.7140690351149863
1987	6.130611739465485
1988	2.7395331661865003
1989	2.7968566143164133
1990	2.6420229298136406
1991	3.1002096811302766
1992	3.813294857816956
1993	1.5319945385679075
1994	5.984869507729559
1995	8.704333981999289
1996	8.070049108265852
1997	10.891856468495575
1998	11.234763655367763
1999	11.704964889539628
2000	11.450331943536368
2001	14.848229684322337
2002	13.22504484935723
2003	14.686668422089205
2004	13.687289193495754
2005	15.444153863565209
2006	13.473508417539518
2007	15.234812031644601
2008	14.950391954366628
2009	15.143479008481483
2010	16.4356441843856
2011	14.613855126401909
2012	16.120570174144234
2013	16.571288367792327
2014	19.329672449605845
2015	20.68036069253225
2016	21.723662113649144
2017	23.191748035674532
2018	23.67575619191955
2019	24.66619574231989
2020	25.92067080381925
2021	26.683066261372034