Year % of GNI 2007 -4.544160309171298 2008 -8.169732944574937 2009 -0.7583957270239581 2010 1.1749564807692146 2011 4.240848414110064 2012 5.04565453664102 2013 8.060298448473256 2014 7.697278365214991 2015 8.919771149368623 2016 9.776324368886856 2017 13.870323496312983 2018 14.722569091491614 2019 17.491023690179368 2020 5.146795718868647 2021 17.079619606428313 2022 17.014096880386532 2023 15.553599074831004