Year % of GNI 1981 0.00218438803914608 1982 0.003083795986315703 1983 0.0057510718803745475 1984 0.02597797053669756 1985 0.022179518903557176 1986 0.09871009239080547 1987 0.24382555926968724 1988 0.5332547245379596 1989 2.528104284762408 1990 1.852033563972291 1991 3.2772520292594565 1992 2.7616856980038422 1993 3.479113420663936 1994 3.1531698511302353 1995 3.87069708568379 1996 2.5778598992437196 1997 2.2140771354776954 1998 2.9873063706217233 1999 2.11152236222223 2000 1.4216170014297367 2001 1.2636103265031178 2002 1.1697129063312508 2003 1.1200915227701038 2004 1.655740872329415 2005 0.7809826634340469 2006 0.9906278452905879 2007 2.488244702185924 2008 6.349421352474338 2009 5.89447655605945 2010 5.511910234870294 2011 4.674317535958793 2012 7.541735106422936 2013 4.407036335811924 2014 4.177643776299731 2015 6.331185376861045 2016 3.5483476397679112 2017 3.175633936496462 2018 3.5889669775573765 2019 2.1678798375459722 2020 2.020062153595632 2021 4.447787828133865 2022 4.210699054274142