Year % of GNI 1990 11.283728479671545 1991 10.333340051463631 1992 9.837960642199379 1993 9.21696598769809 1994 9.931675233260316 1995 11.028920056176347 1996 10.816011948841233 1997 11.392063211037364 1998 11.51008046344221 1999 11.192491569840254 2000 10.742288765206524 2001 10.607047238285121 2002 10.249568397306945 2003 9.94086689919271 2004 10.753993667525295 2005 10.62679506938215 2006 11.36785041511443 2007 11.999219021455955 2008 10.574996357329443 2009 7.768182490704795 2010 8.371550507803807 2011 9.062584537848247 2012 8.535066130953902 2013 8.80315891080346 2014 9.601547007889337 2015 10.248264909184494 2016 10.662282912122803 2017 11.271425859806957 2018 11.582804717258838 2019 11.732931660161842 2020 9.857139718707602 2021 11.6074585376591