Year % of GNI 1993 -3.38393777545669 1994 0.783962685152345 1995 2.00671913069685 1996 2.20437824367877 1997 4.32952633413223 1998 4.72218250828155 1999 1.30441239018911 2000 2.16787164403829 2001 3.87156501931065 2002 4.60478712040384 2003 3.20769403615635 2004 4.7296832863504 2005 4.76895623346786 2006 5.95282572120511 2007 4.6290438001545 2008 5.25883979142939 2009 5.46473699149108 2010 6.09925570535719 2011 6.21495218853359 2012 5.56328006956794 2013 9.64720420186015 2014 11.0359792136269 2015 12.2084852691382 2016 12.4442114900824 2017 11.7750280882318 2018 14.1741060178456 2019 14.4829574682978 2020 11.6360310997372 2021 11.6933898181752