Year % of GNI 2000 11.7572031990021 2001 11.7037148827976 2002 10.4755422252713 2003 10.1187309337649 2004 9.96488473118154 2005 12.2429411984895 2006 12.7300327023405 2007 12.7973734982855 2008 8.97422320124234 2009 6.11044638605739 2010 6.58674377716933 2011 11.6361429016602 2012 12.0631948612128 2013 11.307979481905 2014 12.1305694269603 2015 10.4236169128536 2016 10.4895818632827 2017 13.2617884259856 2018 13.4745156511538 2019 12.8726925950856 2020 11.1844763836215 2021 13.6890240151895