Year	% of GNI
1970	3.3603991115621548
1971	3.9133391720828934
1972	4.0567482094897045
1973	4.949439386078079
1974	4.400314238069547
1975	5.603796490736713
1976	4.255628201171264
1977	5.231363339532344
1978	3.5098844840815686
1979	3.2026390191235987
1980	2.8997907173250144
1981	2.94460562779542
1982	4.101952579268293
1983	6.15961461513133
1984	6.960808265455139
1985	7.2822876557892355
1986	8.053226592787324
1987	7.008086497332677
1988	5.158462093804441
1989	4.105615445510978
1990	4.631251140292825
1991	4.987121129744635
1992	4.260295228884312
1993	4.628485665204245
1994	4.6076530224383
1995	3.2833923870716855
1996	3.3753627702386586
1997	2.821850959504428
1998	4.233794503760045
1999	3.110072091711244
2000	3.2742782984868914
2001	3.215761719459942
2002	4.099759475695815
2003	5.59052144219294
2004	6.8544714456797715
2005	6.1735939835441345
2006	8.139311627342108
2007	6.7522493890247945
2008	5.734712302191633
2009	6.9177663591590814
2010	6.215749911081755
2011	6.695038164728759
2012	5.778258451743284
2013	5.484144964277483
2014	6.01623163248219
2015	5.852182764643416
2016	6.124947782637214
2017	16.16647641254906
2018	14.446473307139982
2019	22.019538606830686
2020	21.909329162667028
2021	21.1930555021835
2022	11.150486868989834