Year % of GNI 1990 0.867119323027938 1991 0.937927250425572 1992 0.878827247775618 1993 0.850311607381126 1994 0.695722616350804 1995 0.660793799448951 1996 0.663860465739307 1997 0.671082946167081 1998 0.837506696948439 1999 0.86663688617995 2000 1.07178969625007 2001 1.18445710646814 2002 1.54609369767108 2003 1.36960871391119 2004 1.45454622503285 2005 1.42664899650115 2006 1.38178570982807 2007 1.32331213931162 2008 1.19199305602925 2009 1.21565284179691 2010 1.13747465475626 2011 1.05449424316735 2012 0.964011415758328 2013 0.977484677101441 2014 0.867078566302026 2015 0.839721986350624 2016 0.967216205553147 2017 0.909336921987093 2018 0.884345141550225 2019 0.916057498422114 2020 0.906971271950968 2021 0.894468493726918