Year	% of GNI
1978	8.668604867776095
1979	19.416476354952653
1980	28.854736214468687
1981	26.540703065714446
1982	41.93653112407979
1983	39.400341877760276
1984	42.97420330702674
1985	26.554403674865735
1986	18.040697896564485
1987	24.585054263317218
1988	6.209758236887274
1989	17.209427828430382
1990	38.27145250515789
1991	21.01805599612988
1992	37.11212899103825
1993	26.33404005721024
1994	33.655758393427675
1995	-3.9652715700339574
1996	-0.36536428394362086
1997	12.96865582041296
1998	7.942838997083924
1999	25.30293560207645
2000	51.191785610501505
2001	31.277125489407688
2002	32.72309222440062
2003	41.683509574047925
2004	25.061370899578506
2005	43.11087936509911
2006	49.585717788643045
2007	39.741576238102994
2008	49.60262750716912
2009	43.60920880954879
2010	58.14293221915376
2011	55.65609340055039
2012	60.787776398050426
2013	59.20633839596563
2014	55.81934376723364
2015	39.75397541565234
2016	25.79162466955533
2019	41.790106045092124
2020	36.49268581731552
2021	40.4437460325643