Year % of GNI 2000 7.416118555999976 2001 9.200127583868522 2002 9.55765629485669 2003 8.925752366599962 2004 10.343134088570554 2005 6.143215203975637 2006 7.124871989551707 2007 6.753389054715681 2008 6.372955563335044 2009 8.952219461562205 2010 9.582340090043333 2011 8.904940746266092 2012 10.801111707648909 2013 11.631577789268166 2014 14.859791909609788 2015 15.989720800189252 2016 17.060425779458264 2017 18.1383584653915 2018 18.54496607589522 2019 20.98554507851515 2020 21.24664815759841