Year % of GNI 1993 2.08960573622123 1994 2.0158334924041 1995 1.97609169004478 1996 2.08835440973667 1997 2.12437574097326 1998 2.14903845302176 1999 2.24000222090287 2000 2.2799381124723 2001 2.1572342070409 2002 1.75723053777389 2003 1.51871188811289 2004 1.27171431349142 2005 1.22612265080265 2006 1.25287233944846 2007 1.07040711933969 2008 0.961853446292062 2009 1.05390622750616 2010 1.08636792812562 2011 1.03595499586736 2012 1.09384375612856 2013 1.0001566655815 2014 1.01585978413977 2015 1.26565942686634 2016 1.26983550894976 2017 1.26538340145366 2018 1.17834172772265 2019 1.18458361464711 2020 1.18493199739068 2021 1.148888626919