Year % of GNI 1990 60.4429952690734 1991 58.1440774419694 1992 33.4852287560828 1993 34.8841341282864 1994 32.6990206279839 1995 32.6794743946456 1996 30.7149063161425 1997 23.9164405162426 1998 22.7562464053793 1999 22.1214294706414 2000 17.6750143722269 2001 10.1958661435044 2002 8.45591992397633 2003 6.5101339460408 2004 8.26605544053549 2005 11.4847092514478 2006 15.9260445816 2007 14.3119178686042 2008 10.3966991261547 2009 11.6456361470819 2010 9.62929627631949 2011 9.91642365859968 2012 10.1360362174784 2013 9.44757428432478 2014 10.7703674797062 2015 14.2843712548777 2016 14.7787727569368 2017 11.7277284055041 2018 8.96621173876622 2019 9.75116731700241 2020 15.3821811129865 2021 12.2860280392957