Year	% of GNI
1975	59.4432564545105
1976	59.8470548894718
1977	46.645936278671
1978	48.0495569868689
1979	59.7825863509815
1980	56.7330320816266
1981	52.1730305232495
1982	34.136946657824
1983	37.338625187662
1984	38.6591920720924
1985	30.9959072849902
1986	34.5677519004894
1987	36.2231376185609
1988	30.7480378258062
1989	33.7962359997402
1990	8.67247067514903
1991	-168.449658732497
1992	11.9269009572184
1993	20.631356761053
1994	20.4901223904998
1995	25.2330654255957
1996	28.8170488816985
1997	29.8670063794934
1998	15.1671947506113
1999	21.6240167287997
2000	36.5419434493408
2001	25.6728520207767
2002	16.1913755182877
2003	25.0690073582897
2004	37.9514259999727
2005	47.3205812815724
2006	54.4683408725747
2007	46.2098617760471
2008	48.883882696742
2009	32.3183406687231
2010	40.3739341835428
2011	48.0490433230852
2012	48.0707828091888
2013	45.1844327729663
2014	39.9278160224424
2015	20.1357258314049
2016	14.5933879546068
2017	23.1475592998344
2018	27.9787929614276
2019	20.7976582866277