Year % of GNI 2007 -3.97469226160827 2008 -4.06683424009098 2009 1.49163981574978 2010 0.507002951409953 2011 -4.42522867080678 2012 -4.02455275691074 2013 0.656316675401479 2014 0.21773603888139 2015 2.87314024995941 2016 2.56343196270369 2017 1.49102327751429 2018 4.8536807439103 2019 3.85432841202672 2020 6.01055108032764 2021 6.03870440147672