Year % of GNI 1990 0.849237495711125 1991 0.76221614137345 1992 0.73389170308976 1993 0.68243565112945 1994 0.591780061732953 1995 0.745122681724763 1996 0.756140961651733 1997 0.861385425534791 1998 1.287446674755 1999 1.44599433307158 2000 1.59045731291589 2001 2.32342365995607 2002 2.62295491807252 2003 2.73929475452631 2004 3.06856163778547 2005 2.53340649244578 2006 1.55662248821053 2007 1.47370290888712 2008 1.15852064630775 2009 1.29055776402283 2010 1.08828776842688 2011 0.945828176177267 2012 0.752213283406684 2013 0.866791207903249 2014 0.869486177753841 2015 1.06138550086063 2016 1.33995715201704 2017 1.27720971500204 2018 1.26080031782537 2019 1.30383740756572 2020 1.32467597023771 2021 1.32229366493366