Year % of GNI 2006 0.0309070980092935 2007 0.00200446652159032 2008 0 2009 0 2010 0.118056018090566 2011 0.0304818215285132 2012 0 2013 0 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0 2021 0