Year % of GNI 1995 8.5636086184333 1996 8.74123787309694 1997 9.76534518240592 1998 10.1322968090639 1999 11.2244641119663 2000 12.6652025719264 2001 11.9203009551344 2002 8.33184975481598 2003 8.80795081945649 2004 8.75887061992782 2005 9.35894021311173 2006 9.12402328443169 2007 8.86047646150193 2008 9.22537915787893 2009 9.64270005068632 2010 9.20473563891197 2011 9.28259909225256 2012 9.98872510408876 2013 8.48590827791363 2014 7.45537446637381 2015 6.94026770945337 2016 6.34129901200394 2017 5.88293190283748 2018 6.12175196197816 2019 6.65066861287093 2020 6.78837422756585 2021 6.87859502349062