Year % of GNI 1990 0.534327822338623 1991 0.55934105205306 1992 0.546561005202512 1993 0.630949552117195 1994 0.625785846521014 1995 0.58924628697062 1996 0.585357502777044 1997 0.643232678421433 1998 0.739619384226162 1999 0.902492078516922 2000 0.97068990562216 2001 1.07789634835533 2002 1.08349807790238 2003 0.998590559231673 2004 0.930938225415973 2005 1.06267294226362 2006 1.14619461112935 2007 1.04886953089377 2008 0.919547706998285 2009 1.03916492098912 2010 1.03323305747535 2011 0.94005835674095 2012 0.989817134550426 2013 0.993763944315398 2014 1.01227791182544 2015 1.13926323660898 2016 1.15834290606165 2017 1.12573401668589 2018 1.08321167951443 2019 1.15112195776055 2020 1.26935712390653 2021 1.36988573884581