Year % of GNI 1981 0.390783378669124 1982 0.463586212707563 1983 0.226341521527187 1984 0.206482291697286 1985 0.371471933324887 1986 0.152994427854417 1987 0.0304872591561326 1988 0.109492793433385 1989 0.160493668322582 1990 0.20563738146271 1991 0.310735428061379 1992 0.293371393921383 1993 0.0860864145299422 1994 0.0673136081364814 1995 0.235228568464577 1996 0.114190104083288 1997 0.0699776921954979 1998 0.150384043425133 1999 0.122604597696175 2000 0.268226151691364 2001 0.429066931958879 2002 0.299662275704967 2003 0.280139584510655 2004 0.78688317367276 2005 1.61619345500454 2006 1.7695515254129 2007 2.1800051736504 2008 5.5393275744575 2009 5.26863972232804 2010 9.31545851059871 2011 12.6026048788079 2012 5.97898773488899 2013 4.61949699410968 2014 5.26635653697779 2015 2.462579888551 2016 3.04207330451553 2017 5.06704470915255 2018 5.20258702751302 2019 4.04285182525905 2020 2.31090945307042 2021 3.38917267788651