Year	% of GNI
1975	5.696037505981261
1976	7.1024845278115984
1977	7.159345545531515
1978	6.851430722539044
1979	6.964886459532604
1980	7.651759437493828
1981	9.244320211123249
1982	9.338414556157868
1983	9.45887862796744
1984	8.663375743412933
1985	9.186010241404212
1986	9.437407699154999
1987	10.23727092042885
1988	10.979332054569504
1989	12.540803343486466
1990	11.482289274699358
1991	11.514924672886593
1992	12.616107581743721
1993	12.500496642267214
1994	14.847134557538109
1995	15.094304519010265
1996	15.075958963296697
1997	15.459193249150525
1998	15.3475147466498
1999	15.231414891386994
2000	14.790168837532594
2001	14.966245020262857
2002	16.303798629288707
2003	18.436865929423654
2004	20.232795236706032
2005	20.6865905317951
2006	22.049605256446362
2007	22.786500910646012
2008	20.27855016254947
2009	22.093149344202274
2010	23.303736817370904
2011	21.611079433868767
2012	21.75569954575193
2013	21.111590432541263
2014	20.624731897449323
2015	20.442216060023455
2016	19.74181622456677
2017	20.221553085058318
2018	19.36080241274925
2019	18.845113022501337
2020	17.596559775996944
2021	17.877839315573596