Year % of GNI 1990 4.77896927486901 1991 7.45570890802445 1992 8.01398121986084 1993 8.24626232831152 1994 8.04657474732308 1995 10.3687385612207 1996 11.5446096373489 1997 12.0208633118942 1998 11.8175275327933 1999 9.31020706575523 2000 8.74490206272993 2001 10.3026245328352 2002 11.0335785429133 2003 10.5504455383363 2004 8.33962915901564 2005 9.31104733735789 2006 7.36417919475509 2007 7.58389626092262 2008 6.97619852569678 2009 10.1663809237602 2010 11.3101808224767 2011 6.4676526147219 2012 10.0171895507317 2013 9.86969784466063 2014 9.64858939878873 2015 12.1125398326427 2016 8.44387466843616 2017 6.29562915110508 2018 4.433769940589 2019 6.63372143290857 2020 4.61735069965192 2021 -3.73907856368452