Year % of GNI 1990 0.578148369826942 1991 0.585139914872473 1992 0.567939492804613 1993 0.588771863330087 1994 0.636785809698366 1995 0.541205905358541 1996 0.422054511259169 1997 0.526636862993264 1998 0.6496440928712 1999 0.737995856035492 2000 0.722647698028227 2001 0.719728321440343 2002 0.870413562447783 2003 0.614110969683404 2004 0.501295080586245 2005 0.457503694498656 2006 0.482261883248673 2007 0.484185151868532 2008 0.514087064411108 2009 0.551582727084958 2010 0.440956607853462 2011 0.434761804475694 2012 0.462189480486993 2013 0.550980988918457 2014 0.596176449053998 2015 0.685885068752491 2016 0.835414200967972 2017 0.810669284624671 2018 0.820809723616644 2019 0.968422952149024 2020 1.1361868362029 2021 1.10154433969787