Year % of GNI 1970 0.958550229478595 1971 0.895449168094672 1972 0.944322346998327 1973 0.895952150985399 1974 0.713839322219728 1975 0.323346417862154 1976 0.307041467811388 1977 0.332555093519689 1978 0.350818050297079 1979 0.226796056652507 1980 0.251557578360607 1981 0.209542051851357 1982 0.202209710652886 1983 0.153125446616025 1984 0.125016140912813 1985 0.0442880843918237 1986 0.043666204650519 1987 0.0461520295926321 1988 0.0703080389934238 1989 0.0609911953243008 1990 0.124302332996494 1991 0.104554102319008 1992 0.0870506088150336 1993 0.111359199108874 1994 0.0860271434642033 1995 0.0830058878531104 1996 0.0653815017745015 1997 0.0416961582915307 1998 0.0101128921509583 1999 0.00909722906042812 2000 0.00666187843052723 2001 0.00689029080264733 2002 0.00819777935717137 2003 0.00724360377738982 2004 0.00642106126492305 2005 0.0063711502311295 2006 0.00756404286145264 2007 0.00803952200317888 2008 0.00888072117453257 2009 0.00875895149666175 2010 0.0156591214514199 2011 0.0136880442324579 2012 0.0126664408342967 2013 0.0162261466544898 2014 0.0184749020233503 2015 0.0147640229233005 2016 0.0181025309330034 2017 0.0177135425925596 2018 0.0139642417566823 2019 0.0127738942227243 2020 0.020114024035589 2021 0.0157881838453418