Year % of GNI 1993 0.48550615222704696 1994 0.24025422302008098 1995 0.7784827818635839 1996 0.42711282166390435 1997 1.2757586794176057 1998 5.587160034302037 1999 3.940077200499628 2000 4.070130052341163 2001 2.5158732571816405 2002 3.887412709735398 2003 4.595895467952746 2004 4.586654032933846 2005 3.0092236552197074 2006 3.8373912308523743 2007 2.1288474762377234 2008 5.5740876474643795 2009 7.177551115969321 2010 6.580361385974479 2011 9.884768658194224 2012 9.205502860257585 2013 9.821504415953726 2014 10.892439429214887 2015 14.503557006935377 2016 17.67661239110904 2017 16.46646430581495 2018 14.133037643898616 2019 14.61732449320785 2020 15.96064220828318 2021 15.221181184824593 2022 13.908063483506083