Year % of GNI 1990 0.4245401611146247 1991 0.4738658722956675 1992 0.8056486541061838 1993 0.9807035252858539 1994 1.5550571825151633 1995 1.1324730203001607 1996 0.8072472712976462 1997 0.7922135817606187 1998 0.8704963178788109 1999 0.9970961011050617 2000 0.904594593370865 2001 1.048784070132982 2002 1.0237035358355138 2003 1.0568770877113016 2004 0.9937704275515883 2005 0.9580033069865032 2006 0.9311221504410087 2007 0.8587380778157165 2008 0.7848491534733364 2009 0.8366847826463699 2010 0.8203204377436004 2011 1.1297142272753131 2012 1.1269330412175826 2013 1.0693955106294653 2014 1.0412759093415715 2015 0.9823745111943877 2016 1.0766346114348868 2017 1.086764383496556 2018 1.2652382117202552 2019 1.2331909439902478 2020 1.3046776103464404 2021 1.0974700811897433