Year % of GNI 1995 11.2672829355406 1996 10.706429106345 1997 12.0664849769347 1998 12.8619365847544 1999 12.275410089596 2000 14.9893614522369 2001 11.648600714251 2002 9.37095574751288 2003 12.2857952762033 2004 12.8320128103039 2005 14.8012615656074 2006 17.2123537332618 2007 13.8996268409469 2008 6.94129335660034 2009 10.8841294761757 2010 15.738579510763 2011 12.5574876674526 2012 13.971177506343 2013 13.1113405359222 2014 11.1623128890811 2015 12.6857558427716 2016 11.6556938878305 2017 9.88836450836001 2018 9.43006666531904 2019 9.17316153018956 2020 7.72203855919916 2021 12.0177174882971