Year % of GNI 1970 0.037165635429871155 1971 0.0200438165432038 1972 0.01918489782702999 1973 0.05370579413186785 1974 0.11448710608229383 1975 0.07966202388419745 1976 0.025426818061379558 1977 0.05641335811773015 1978 0.009426220049651926 1979 0.023719341336542833 1980 0.015031863874126538 1981 0.014178072336273353 1982 0.014521558557500008 1983 0.01412345271287401 1984 0.009970583636888254 1985 0.014168944652921766 1986 0.004287477813518375 1987 0.0065222712703511794 1988 0.07283884837404885 1989 0.029402620453055996 1990 0.015365955295924098 1991 0.0072860468788030494 1992 0.008310854861851753 1993 0.013404381113990204 1994 0.03326716306937757 1995 0.03648197352082212 1996 0.01972536243793114 1997 0.017730321115692168 1998 0.011665012817743547 1999 0.007858114865683873 2000 0.004929633467492328 2001 0.0037872118708456633 2002 0.002630927731348199 2003 0.002479420761660024 2004 0.02260130466601538 2005 0.034975122546573485 2006 0.0736627608670059 2007 0.10784802601137453 2008 0.18728207956465512 2009 0.1317361318759309 2010 0.1326441670868637 2011 0.16314592533862018 2012 0.11132014075593706 2013 0.09194914962685609 2014 0.05847364885663577 2015 0.040990454471898204 2016 0.043675503846682756 2017 0.056088979013709274 2018 0.051149891692651835 2019 0.03962209755490621 2020 0.058709151001401616