Year % of GNI 2006 6.66027352020389 2007 -1.25257075386686 2008 -7.55148818299993 2009 -3.42640932355898 2010 2.51090607413751 2011 2.54929811446133 2012 -2.42327993097338 2013 4.13846990477516 2014 8.51862983602281 2015 6.51313441195714 2016 5.59570856473299 2017 7.02235370467042 2018 -11.2465101175308