Year % of GNI 1990 7.00087255038156 1991 6.460302188412237 1992 6.455199188501154 1993 5.92944203907028 1994 7.6276034428466 1995 8.876651925245985 1996 9.14353256868207 1997 9.582013742872318 1998 10.158694366221953 1999 9.825468474286838 2000 9.639239982082739 2001 9.340229889567723 2002 9.00774613201426 2003 8.95779983344481 2004 9.739454998180683 2005 10.011993177187671 2006 10.649643686406604 2007 11.163044241378598 2008 9.74025343346767 2009 6.815782848742625 2010 8.30475252928661 2011 9.07022269818221 2012 8.583012393116002 2013 8.383760774722473 2014 8.964698693002033 2015 9.50570353952331 2016 9.557094391416722 2017 10.30189963869994 2018 10.526694188404711 2019 10.458592345074841 2020 8.93457621150648 2021 10.589724875415023