Year % of GNI 1970 0.00786799002831974 1971 0.0184187353797276 1972 0.00755259671661402 1973 0.00628988046233813 1974 0.0046040746408695 1975 0.0124215132183374 1976 0.0085648538932385 1977 0.0101529031648185 1978 0.0140388751023661 1979 0.0181569719468409 1980 0.0113936112624254 1981 0.00885836238844084 1982 0.00933619498300325 1983 0.00734130837041362 1984 0.0069883595852802 1985 0.00778931054163474 1986 0.00743736998881131 1987 0.00627479985309864 1988 0.00506611136573324 1989 0.00450912927567149 1990 0.00457222556108388 1991 0.0034317990024205 1992 0.0030473245294811 1993 0.0024927863688127 1994 0.00176667920659188 1995 0.00235139046190951 1996 0.00241839399523497 1997 0.00239135716635343 1998 0.00200661737093256 1999 0.00285165298673867 2000 0.0012593800428109 2001 0.000297251172279711 2002 0.00020509118459468 2003 0.000137910799121634 2004 8.54804843458357E-05 2005 5.62271144995148E-05 2006 9.05994480512382E-06 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0 2021 0