Year	% of GNI
1977	18.9175421338089
1978	23.2559039117016
1979	20.7828453178883
1980	22.8544598121505
1981	19.4536013078273
1982	24.1822658223748
1983	29.7565007350161
1984	26.5935967081078
1985	27.0018496697894
1986	22.6274510172823
1987	20.7348202334754
1988	24.8742089199792
1989	18.5135038462354
1990	24.7886015745842
1991	23.296633580822
1992	26.6208090968849
1993	31.1394781220823
1994	31.9704733894856
1995	11.480052224687
1996	11.7580736040206
1997	11.932517360283
1998	11.6372057553408
1999	11.3182744733761
2000	9.97791882899706
2001	6.73716469737664
2002	5.99647794177366
2003	9.11889563758939
2004	8.96403189093475
2005	15.9984173567118
2006	15.3901641817012
2007	9.79411197274671
2008	11.509171239032
2009	24.4808629728345
2010	22.2876632745731
2011	19.9360619940093
2012	22.4855097324133
2013	22.7246736082662
2014	17.5191253168938
2015	19.1786772741616
2016	10.715514988462