Year % of GNI 1995 3.7498599098492744 1996 3.89514364608518 1997 4.4524772847363545 1998 4.957290957550343 1999 3.279333086657053 2000 3.2092416035014986 2001 3.404244887777825 2002 3.1735506464494017 2003 2.9222547135930235 2004 3.427757652293123 2005 5.190719038038184 2006 5.910569991340822 2007 7.045215903731561 2008 7.983001950935231 2009 6.214521591063942 2010 5.423617653336416 2011 6.185329649827241 2012 6.323239716216129 2013 7.428829481072142 2014 8.360950151996223 2015 9.610508741534147 2016 8.807525862942962 2017 8.968610044133246 2018 9.301956710120171 2019 9.920264130598033 2020 9.3886063218004 2021 9.39404313817704