Year % of GNI 1990 -3.4237649226205615 1991 -2.9492035892063773 1992 -0.730910685383215 1993 0.41519793431555696 1994 -0.09867342348310082 1995 0.6455822235105142 1996 -0.6204096069480811 1997 0.3697766971327683 1998 -0.8436895440922723 1999 -0.6031031447431778 2000 -0.7106103614745656 2001 -1.2988919680618518 2002 0.5722974603860826 2003 2.256008220357245 2004 2.7197544308884005 2005 0.8377546487788647 2006 1.0916199253343266 2007 -0.21705331870060562 2008 1.5903129937152882 2009 2.3533986040009913 2010 1.7602862245399225 2011 0.6790163393498732 2012 3.7136488944722106 2013 0.6806747047361019 2014 4.474357655073721 2015 3.2275898648325607 2016 2.5510183008704166 2017 3.3865818080802246 2018 3.509896306584623 2019 5.410904483946782 2020 7.790427848276222 2021 7.070777422636993