Year	% of GNI
1970	3.462576771119085
1971	3.368182914013399
1972	3.456500279590285
1973	3.5163968046354346
1974	3.1388891687836886
1975	2.9875081054307837
1976	3.5606662913817795
1977	4.371389391820166
1978	5.7847475111207185
1979	7.341545754156583
1980	6.138849849841883
1981	6.001096846021514
1982	8.49531506415575
1983	7.699306246681815
1984	7.6251162755414
1985	7.611002317405111
1986	8.309122699947576
1987	7.357283126691593
1988	7.347914743844215
1989	5.135259133429222
1990	4.191624354431378
1991	3.9349864513716155
1992	4.284368315506829
1993	4.135396229709312
1994	3.625892689790393
1995	4.299468776199394
1996	5.281723318217525
1997	5.751078658681917
1998	5.861275212354691
1999	8.249798366869399
2000	8.120167722615026
2001	7.024755873421701
2002	6.914842489656696
2003	7.459576196313894
2004	6.713843285931959
2005	5.8289671133123235
2006	5.768037937915963
2007	4.131681108941958
2008	3.541985943389237
2009	3.5413585503994565
2010	2.8994258948106073
2011	3.1003583450768017
2012	3.5769627642270216
2013	3.580019034935307
2014	3.41574531069653
2015	4.6623232209124055
2016	6.33882751440722
2017	5.521911718751912
2018	5.60430888916986
2019	7.093576756006677
2020	7.731909752947956
2021	7.58778578959567
2022	5.515167850018817