Year	% of GNI
1970	4.527178545796261
1971	6.325606615249704
1972	5.914877328073625
1973	9.082794139263882
1974	27.815483148981613
1975	18.110924199614825
1976	16.239308277151803
1977	11.211590830546868
1978	10.645555488805709
1979	24.919153695593003
1980	21.989033679013907
1981	15.453299803506448
1982	7.148329622281341
1983	8.961300236741893
1984	9.553494451195345
1985	4.707191084462872
1986	2.3151300690692036
1987	4.616812345615459
1988	2.9809130443344083
1989	6.390311879296562
1990	9.296603346252713
1991	5.5120753192416565
1992	5.300420476925958
1993	5.427272642119695
1994	5.763235346016934
1995	5.632122583241146
1996	9.164794116843868
1997	7.115687674574954
1998	3.3803282664201824
1999	4.652858779761458
2000	7.3642654028119265
2001	5.667618466384315
2002	6.723989607365358
2003	7.1340308666355465
2004	8.330795515445896
2005	10.227643161301112
2006	9.042186965258969
2007	6.317301134287524
2008	4.087454606145789
2009	1.4029780911838625
2010	1.1815999393195067
2011	2.363490760130859
2012	1.748843953927405
2013	1.634607605201754
2014	1.026701982258832