Year % of GNI 1992 0.0379707959976262 1993 0.0004832436129128773 1994 0.011234075620293422 1995 0.17323205482147755 1996 0.19722109808194993 1997 0.21395603457335372 1998 0.249032059755318 1999 0.3517652752233578 2000 0.1175893931717343 2001 0.1421787499840924 2002 0.17805682275907223 2003 0.2520448244534412 2004 0.3144933152162772 2005 0.3317339781970963 2006 0.4066781188110212 2007 0.31923699972385294 2008 0.387904980300638 2009 0.4702714593425743 2010 0.548263214715594 2011 0.5817620264496534 2012 0.666925423070456 2013 0.8357848582806419 2014 0.8526045990454003 2015 0.801182735085911 2016 0.9814280422575431 2017 1.008878928438185 2018 1.143458608686725 2019 1.2155618114556777 2020 1.4465762358886218 2021 1.5448075751600434 2022 1.6721926815874748