Year % of GNI 1976 0.700620909494771 1977 0.259257421453151 1978 0.157481539834369 1979 0.0534082387060604 1980 0.0349993454233664 1981 0 1982 0.00946641331504948 1983 0.0187425281887872 1984 0.0129497055555072 1985 0.0115788275466717 1986 0.00291483598513605 1987 0.000873932369077292 1988 0.00522031257639448 1989 0.013515510349131 1990 0.00661510129018975 1991 0.00125907780004465 1992 0.00105474792636309 1993 0.000677810572295504 1994 0 1995 0 1996 0.00412151146428831 1997 0.0106826722715992 1998 0.00399533172973175 1999 0.00582511506665688 2000 0.0103858763882493 2001 0.00437353937817471 2002 0.00515048128202696 2003 0.00353254757987822 2004 0.00453568884431281 2005 0 2006 0 2007 0.00279983636354718 2008 0.00170876316947129 2009 0.00967560435904992 2010 0.0194473310433653 2011 0.0303443598488281 2012 0.0295376317325651 2013 0.0198645374812242 2014 0.0156507335390351 2015 0.00909074447189497 2016 0 2017 0.00324342805264648 2018 0.00309378512697589 2019 0.00236636747795819 2020 0.00565437040409902 2021 0.0100884757071389