Year % of GNI 1980 0 1981 0 1982 0 1983 0 1984 0 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 0 1998 0 1999 0 2000 0 2001 0 2002 0 2003 0 2004 0 2005 0.00159123970498681 2006 2.03313812558387 2007 2.81620417143394 2008 4.6278474819662 2009 2.95369080240552 2010 3.88861041732537 2011 5.31510392845326 2012 3.48698041323518 2013 2.19716607166851 2014 1.49761454544722 2015 0.424025525860762 2016 0.264678472219995 2017 0.294744236650473 2018 0.369265959079055 2019 0.23498223434768 2020 0.078950463297207 2021 0.154826434502323