Year	% of GNI
1975	5.696037505981261
1976	7.102484527811601
1977	7.159345545531515
1978	6.851430722539048
1979	6.964886459532604
1980	7.651759437493832
1981	9.244320211123249
1982	9.338414556157872
1983	9.458878627967438
1984	8.663375743412933
1985	9.186010241404214
1986	9.437407699154999
1987	10.23727092042885
1988	10.979332054569504
1989	12.540803343486463
1990	11.482289274699358
1991	11.51492467288659
1992	12.616107581743721
1993	12.50049664226721
1994	14.847134557538109
1995	15.094304519010262
1996	15.075958963296701
1997	15.459193249150522
1998	15.3475147466498
1999	15.231414891386997
2000	14.790168837532594
2001	14.966245020262853
2002	16.303798629288707
2003	18.43686592942366
2004	20.232795236706025
2005	20.6865905317951
2006	22.049605256446366
2007	22.78650091064602
2008	20.27855016254947
2009	22.093149344202278
2010	23.303736817370904
2011	21.611079433868767
2012	21.75569954575193
2013	21.11159043254126
2014	20.624731897449323
2015	20.442216060023465
2016	19.741816224566772
2017	20.22155308505832
2018	19.360802412749255
2019	18.845113022501344
2020	17.596559775996944
2021	17.877839315573596