Year	% of GNI
1970	0.0530282188134346
1971	0.07003710736720443
1972	0.07296312472616827
1973	0.0705867513586047
1974	0.1825743778948515
1975	0.48950083343929407
1976	0.6069221834761578
1977	0.8833892134544623
1978	0.8320672584103088
1979	1.8551269345932107
1980	1.9503768301133313
1981	2.0867136144848417
1982	1.7267040336768364
1983	2.171120444789767
1984	2.4952861312218895
1985	2.5221937823547096
1986	0.8624246486296616
1987	0.9998319413459611
1988	0.5998547584380213
1989	0.7108599440087537
1990	0.8742943160118399
1991	0.4389652661480881
1992	0.42630567791312035
1993	0.5145349015437987
1994	0.5265072786931306
1995	0.6175354716698166
1996	0.7991751673526077
1997	0.5779514234625885
1998	0.1506745178846632
1999	0.4270422848326969
2000	0.9562631101727569
2001	0.841944310710852
2002	0.7277192299281201
2003	0.6812016963503804
2004	0.6599571590303088
2005	0.7424815861326037
2006	0.8208850609133146
2007	0.7761044724246086
2008	1.2270062505089736
2009	0.7757674475142812
2010	0.7777273138177224
2011	0.9392233627857198
2012	0.7504050794430667
2013	0.6167713341646281
2014	0.49151553983355
2015	0.302954009537778
2016	0.24759530285329837
2017	0.35447144587986656
2018	0.5615486683525158