Year % of GNI 1998 4.150404052604 1999 6.28721786324546 2000 -2.77263699300337 2001 5.95487433155188 2002 6.45914230028682 2003 3.17820438063326 2004 8.62756015552418 2005 6.91125719677011 2006 -0.534516923054548 2007 -1.26795487840662 2008 -8.76596306107488 2009 -12.1865358051094 2010 -2.97716861297046 2011 -3.53871616091603 2012 1.04829978951979 2013 2.0072908900373 2014 1.95546235360953 2015 -0.665165859263747 2016 2.05765987788442 2017 4.28754609768174 2018 6.89039937192632 2019 4.70059755810103 2020 -2.80290719735924 2021 -5.09589124946475