Year % of GNI 1991 0.461381597138133 1992 0.471639450834331 1993 0.603792407586968 1994 0.65120072066158 1995 0.660061258425923 1996 0.760712752356449 1997 0.782324007882153 1998 0.883495174744978 1999 0.9245305662479 2000 0.913512456891442 2001 1.34645930404063 2002 1.26435713147626 2003 0.924362151344548 2004 0.78485000048048 2005 0.825698557617842 2006 0.782208341927843 2007 0.787547148040201 2008 0.947274177061492 2009 0.963253889785856 2010 0.825494772265556 2011 0.826994171270973 2012 0.876031734874227 2013 1.01992616018816 2014 1.07574114711952 2015 1.29049166253228 2016 1.41101098729652 2017 1.26186500521515 2018 1.25771216311862 2019 1.40660941520138 2020 1.5641896581532 2021 1.50552010569534