Year % of GNI 1996 -7.37184086957576 1997 -12.4372053430053 1998 -14.3015045583278 1999 -10.7967318054613 2000 3.79197214965508 2001 -6.92645615113192 2002 -6.91171466500925 2003 -5.53761399975929 2004 -6.38655697293617 2005 -1.80663074721589 2006 1.96170566038678 2007 -5.93072456331403 2008 -3.9180885312271 2009 0.399904041736505 2010 3.41169643583662 2011 6.81371402644468 2012 7.08413664844284 2013 9.54940804766955 2014 12.2681039084895 2015 11.8070614285215 2016 14.2510849650048 2017 17.0837528148418 2018 17.8117421845595 2019 16.3825688163221 2020 11.9161449079504 2021 14.6514374970267