Year % of GNI 1983 6.608632488525225 1984 5.883581292695155 1985 7.447084592667842 1986 7.247310111230462 1987 6.026470950900756 1988 4.164127060281936 1989 6.247946471534134 1990 4.5762319940078315 1991 2.963862305423566 1992 2.1886834277318354 1993 2.5122828216931263 1994 2.279287567457786 1995 3.50850522384729 1996 4.861768563151911 1997 5.623652351148159 1998 6.643699008098386 1999 9.168558679002366 2000 8.98216214611374 2001 6.929775922519263 2002 5.7422265453410795 2003 11.707623563489275 2004 8.815483924676544 2005 5.733528828605816 2006 8.436714463363987 2007 3.146754021446143 2008 2.72066590752662 2009 4.583380576689627 2010 3.821908723829863 2011 3.0657070525123435 2012 2.548729999293784 2013 2.9198156184609614 2014 3.302016812925537 2015 3.067548606808547 2016 4.7537703135732094 2017 6.448520823681557 2018 8.496810347022981 2019 10.19725532667439 2020 7.835720088438033 2021 5.42117857147451 2022 5.471923799679668