Year % of GNI 1980 0.4604374240881302 1981 0.33542632987808746 1982 0.2604959746840636 1986 0.13294501579394075 1987 0.13752847256076647 1988 0.0710915924613669 1989 0.0742072507831992 1990 0.8861122990130212 1991 0.8059000719756377 1992 0.6949610348725375 1993 1.208621936544333 1994 3.266093084669562 1995 1.6196500650886687 1996 0.8067132643882584 1997 0.6798842548124645 1998 0.46293647191150483 1999 0.8099393854164467 2000 2.0447166783649577 2001 1.7961010965044526 2002 1.8606222737393814 2003 1.9609167722910665 2004 2.5426262241699127 2005 3.3624917724560377 2006 3.5132503279271723 2007 2.8339430829483683 2008 3.064885445326464 2009 1.5194175415419062 2010 1.839303714631374 2011 3.322247157223699 2012 1.3814965371933121 2013 0.9864531389873294 2014 0.8823441334582233 2015 0.4380135862831177 2016 0.33249008227909144 2017 0.3995704863152414 2018 0.5393733894927485 2019 0.5285088983555378 2020 0.3798119030976868 2021 0.6225215607977559