Year	% of GNI
1970	0.992036529613602
1971	0.774748796673849
1972	0.733456164790148
1973	1.1545447524283
1974	1.02390147256305
1975	0.552951994628909
1976	0.619796373813946
1977	0.687378636605963
1978	0.460037326934813
1979	0.749438822454052
1980	0.837900521640187
1981	0.532069575228054
1982	0.335681605852808
1983	0.42183893151462
1984	0.330570076131277
1985	0.418910527603221
1986	0.364831367865392
1987	0.456296291164434
1988	0.713337588225315
1989	0.581369053707968
1990	0.389970843712181
1991	0.147967475355946
1992	0.0610485802488153
1993	0.0127784479670686
1994	0.055390993904989
1995	0.139174349066882
1996	0.0471565618591919
1997	0.144131533610877
1998	0.062486342622918
1999	0.0521454610808287
2000	0.111958133074845
2001	0.0118690454422332
2002	0.0283286314060439
2003	0.0236335311785655
2004	0.0660035657536447
2005	0.073728760038321
2006	0.535801231472402
2007	1.74000438864735
2008	0.353174268927155
2009	0.251006864164052
2010	0.870862145852756
2011	1.35108492328754
2012	0.504308870241388
2013	0.307007154144156
2014	0.589884279381617
2015	0.201826220782774
2016	0.115897141597851
2017	0.240923755253187
2018	0.251776806999147
2019	0.24081146034592
2020	0.281414176090405
2021	1.12859172728134