Year % of GNI 1985 -2.31501370669316 1986 -4.03600224297788 1987 1.1964931340352 1988 -4.44779660953506 1989 1.03741750349696 1990 -4.3735470562014 1991 -0.957922816604991 1992 -7.58909036971642 1993 -0.904486997294304 1994 -7.48115391626002 1995 -7.26680098211098 1996 -9.95050487051185 1997 -7.62681437531901 1998 -12.1946407606974 1999 -10.5175247140538 2000 -11.7192493531185 2001 -11.9370246285015 2002 -8.89455471433203 2003 -6.21707176548407 2004 -6.56519746393409 2005 1.69986570427159 2006 -4.65085217805199 2007 -7.52516305013726 2008 -15.8900579777319 2009 -4.28896609717695 2010 -10.6201597933472 2011 -11.5944759906284 2012 -2.71974180198877 2013 -8.58801800307549 2014 -11.5973336627712 2015 -1.31588996282617 2016 -5.85006936299111 2017 -5.82498011102131 2018 -8.51408771657987