Year % of GNI 1970 0.023755834312022 1971 0.0144180232699956 1972 0.0200111990842448 1973 0.0572077443546457 1974 0.0679007044601976 1975 0.0199403146581799 1976 0.0156066871300429 1977 0.0121024157545896 1978 0.0114090834031924 1979 0.0113548438949664 1980 0.00519627308948428 1981 0.00467258272491159 1982 0.0122490166115953 1983 0.0133722772182957 1984 0.00834266060239381 1985 0.00921730180546673 1986 0.00400194661295617 1987 0.0105329975404844 1988 0.0777928168091948 1989 0.083468999024053 1990 0.0547579640768733 1993 0.0691069695775497 1994 0.129901433287668 1995 0.145251293380504 1996 0.0553928512329444 1997 0.0612706111553465 1998 0.0476212382314398 1999 0.0327363166928443 2000 0.0282306475429166 2001 0.0239878932749585 2002 0.0149930234919336 2003 0.0132586394334452 2004 0.0885904318767159 2005 0.15848689187251 2006 0.359002309082878 2007 0.484020522052683 2008 0.401671895439182 2009 0.196368836709114 2010 0.373069506952517 2011 0.467031601043215 2012 0.293523003479597 2013 0.434116436712425 2014 0.284365616045045 2015 0.143397058057537 2016 0.134069283398171 2017 0.211167988595307 2018 0.323273952156989 2019 0.364757821700607 2020 0.600904081322588 2021 1.6850036476641