Year % of GNI 1996 -8.19386719273885 1997 -13.2567990457858 1998 -15.1426357387198 1999 -11.5894179587939 2000 3.06061916369341 2001 -7.66263781679674 2002 -7.64103963424094 2003 -6.23324551385229 2004 -6.99101734365711 2005 -2.36146253069961 2006 1.42618317511729 2007 -6.44001819203891 2008 -4.38242139811402 2009 -0.0766391419569757 2010 2.9495895455684 2011 6.38387966861654 2012 6.65280957006971 2013 9.15735354023814 2014 11.8993327053019 2015 11.4452931576731 2016 13.8855690929356 2017 16.7464953042592 2018 17.4607269866958 2019 16.0661292406842 2020 11.5920969428881 2021 14.3464650468295