Year	% of GNI
1970	13.55620960037748
1971	16.315854708779128
1972	19.349046605000115
1973	17.624808354340203
1974	10.693169298031249
1975	8.309465130804536
1976	15.805030509263357
1977	29.72715250306245
1978	42.25944180889881
1979	49.89225478088488
1980	49.42710653617519
1981	48.05765056761735
1982	48.60810512561427
1983	58.55613327022765
1984	63.83461188449693
1985	59.170877998285654
1986	58.30367522310825
1987	74.50308267093699
1988	59.43468117986186
1989	78.65312556472801
1990	69.35087500458197
1991	64.55910602890705
1992	64.51188232607427
1993	64.36661054302768
1994	65.3446680953675
1995	47.37710482539097
1996	51.96846854519808
1997	53.12389606054294
1998	55.687865966150106
1999	50.76719330206699
2000	42.72745078105073
2001	38.60137341160872
2002	49.60046766151439
2003	57.39918429396526
2004	42.52042857138223
2005	35.227882955787145
2006	27.07464175794454
2007	27.986040061080285
2008	23.10343882459438
2009	28.84334577573014
2010	30.006832226771905
2011	43.85811900470558
2012	40.77777799839777
2013	42.83510857360491
2014	33.73773408259559