Year % of GNI 1990 8.94794805568482 1991 13.0953295466733 1992 12.3546661593283 1993 7.05738395623762 1994 10.2774262439629 1995 8.31804107185663 1996 6.46099033748012 1997 6.59402513800017 1998 7.7534466166677 1999 6.7171952553393 2000 8.73831270502474 2001 10.0624436366243 2002 10.4091297567189 2003 11.0540282653665 2004 11.7349061360392 2005 9.13375661361168 2006 7.66287209465107 2007 7.49628967478152 2008 3.69987950248031 2009 7.27780518207343 2010 8.04288404390901 2011 8.33736201070002 2012 6.9708803811288 2013 8.41356770432845 2014 9.31426408861075 2015 10.5729567161023 2016 9.33374131838671 2017 7.62362891276791 2018 6.54753815087781 2019 5.79990121642081 2020 8.93637594066874 2021 8.44960283211834