Year	% of GNI
1975	61.93929320266886
1976	62.176752007752945
1977	49.37792441517566
1978	51.167359738317174
1979	62.39886851539171
1980	59.33709687296014
1981	54.72816282606928
1982	37.68701035386506
1983	41.28292350503073
1984	43.260377336953695
1985	36.30589553782912
1986	39.404244300053286
1987	41.84686527856021
1988	36.29222597531176
1989	38.48522598677432
1990	13.856277629672677
1991	-158.40246424601446
1992	18.117477203554973
1993	26.896944240498915
1994	27.86090645795074
1995	31.971157107272656
1996	34.28292410396871
1997	35.31460440318603
1998	22.0104116863233
1999	26.813797421386678
2000	42.090810367538914
2001	33.45897981636007
2002	26.005081223228395
2003	33.92606109723074
2004	44.1801611576022
2005	53.04936743674367
2006	59.20758422566264
2007	51.66215990771557
2008	54.52717835180286
2009	40.29180879478083
2010	47.63136013274392
2011	54.21819168288894
2012	54.097074039279846
2013	51.210988666648475
2014	45.76852618178998
2015	27.834585318833263
2016	22.79031722526483
2017	30.71355110895909
2018	35.05205217868455
2019	30.34774616841022