Year % of GNI 1970 0.3207632779000643 1971 0.3366749239411769 1972 0.40662364347939567 1973 0.6425446708375137 1974 1.3554950683722018 1975 1.5891116382444743 1976 1.7659443907089691 1977 1.8076574975706374 1978 1.4530282255998328 1979 2.7697536156718705 1980 2.933668591658765 1981 2.3744356443518093 1982 2.0347176968437233 1983 1.8745741358717694 1984 1.6841876770783637 1985 1.6642173314552136 1986 0.7994739433593945 1987 0.8696593803096786 1988 0.7167544832409821 1989 0.9216184818798185 1990 1.0905426979105177 1991 0.7097941136175596 1992 0.6875965956624724 1993 0.5760603135914354 1994 0.4979617605462791 1995 0.5130222392615984 1996 0.583665829965239 1997 0.5432692385390622 1998 0.3932997839153559 1999 0.4534456526687625 2000 0.7415301100962133 2001 0.6806266261416565 2002 0.6309125394864216 2003 0.6912524643677584 2004 1.0941976875081199 2005 1.3983948395654868 2006 1.6633103194073782 2007 1.9799064528178216 2008 2.791094071009528 2009 1.3261274861065215 2010 2.0883244359274045 2011 2.6924100460919047 2012 1.5903177199027823 2013 1.3501581537472722 2014 1.1792944970196253 2015 0.686296010547183 2016 0.5958606593820568 2017 0.7072482468013961 2018 0.860820911816238 2019 0.7659365344546746 2020 0.5861382785508487 2021 1.2241564692522262