Year % of GNI 1990 1.98391687714229 1991 3.55539277358585 1992 2.62932515259233 1993 7.78819002162354 1994 8.98166050364779 1995 7.20111513681332 1996 8.80804732373089 1997 11.8649866085816 1998 10.784812647562 1999 9.84515648290296 2000 8.85767098220068 2001 8.60168751837978 2002 7.29107089439002 2003 5.48775519543251 2004 7.46961128800868 2005 5.75763975073357 2006 7.56104296701501 2007 7.56902158773113 2008 6.34377573225092 2009 6.57152437611834 2010 7.64979551512409 2011 6.13596631344548 2012 5.63709702248619 2013 3.04899057246042 2014 5.73086346853739 2015 7.42185657645569 2016 7.02113546304846 2017 7.15128987984912 2018 6.72757358091755 2019 7.25323199626402 2020 6.75007919585769 2021 3.45120842419708