Year % of GNI 1990 11.58805391486476 1991 10.738645766939044 1992 10.315750933508163 1993 9.713620855798899 1994 10.059178602264558 1995 11.0014887918618 1996 10.780462845643356 1997 11.405662667235166 1998 11.543574307436394 1999 11.246171896698002 2000 10.745422091782444 2001 10.644689567428278 2002 10.361598982027335 2003 9.949950962581271 2004 10.817321704135393 2005 10.617130375804383 2006 11.30243308731007 2007 11.9690441623067 2008 10.360488884013678 2009 7.527266562111649 2010 8.131876099876516 2011 8.81256795482005 2012 8.232679818385456 2013 8.363411105721342 2014 9.176626588696106 2015 9.775655122228772 2016 10.305027371992328 2017 10.964162746120246 2018 11.38018431534496 2019 11.415927717108797 2020 9.228061029410936 2021 11.204402214178225