Year % of GNI 1971 0.000403156511680752 1972 0.000422592305060327 1973 0.000786876242330449 1974 0.0047787925895769 1975 0.00941620195912865 1976 0.0103248019711747 1977 0.010563685134977 1978 0.00827478237640108 1979 0.0167466971359 1980 0.0226051889281234 1981 0.0271319739826924 1982 0.0361051267242849 1983 0.125567845174194 1984 0.25298642600462 1985 0.432310249744805 1986 0.25908524788301 1987 0.290217570449497 1988 0.236880195318244 1989 0.364479535445037 1990 0.465123633974656 1991 0.322877396643194 1992 0.354932050151223 1993 0.358212593719116 1994 0.356045564985687 1995 0.33666656313336 1996 0.444124061048802 1997 0.645471809972563 1998 0.523152267235658 1999 0.682266135267097 2000 1.32347195687532 2001 1.14480600170884 2002 0.985986344192142 2003 1.27102734654719 2004 1.54208641841663 2005 2.08165458961313 2006 2.06513465594531 2007 1.84212029969556 2008 2.50448415171961 2009 1.54329674826118 2010 1.9367697579356 2011 2.26217583808839 2012 2.2225174501832 2013 2.05867609838119 2014 2.11668688914565 2015 1.38897087616473 2016 1.03173253841723 2017 1.05847464551561 2018 1.37519249934744 2019 1.14261232362985 2020 0.688355229537307 2021 1.38139891324547