Year % of GNI 1978 3.429737652506346 1979 1.7492675005863223 1980 1.4490507229701866 1981 6.524095924789094 1982 9.69771713779802 1983 14.775282812912058 1984 20.33615077427188 1985 9.008725057947387 1986 9.862647966755878 1987 6.172560976432423 1988 6.139726292320426 1989 5.646936805101523 1990 4.553858065686867 1991 3.5321931412111804 1992 2.8601733362935216 1993 3.0198264394561654 1994 3.0161952397794223 1995 2.8578559148658726 1996 2.7328816238285882 1997 5.953884061173423 1998 3.1133329313687437 1999 3.170098203445041 2000 3.3219509490525274 2001 2.5795987660249033 2002 2.472302035621097 2003 2.141547491943164 2004 2.448302985862529 2005 2.7659416827235828 2006 2.944867591828672 2007 4.659955655195183 2008 4.663058215751613 2009 4.702181630540189 2010 3.218336780568069 2011 3.3688338819036927 2012 3.1934360329501823 2013 4.12071668413361 2014 5.315891823811592 2015 3.641410452988911 2016 3.332426161859424 2017 3.638306475354771 2018 8.943615630128749 2019 8.867313085124376 2020 9.231636981479447 2021 16.834060699508253 2022 12.380099049705036