Year % of GNI 1990 11.9442554944279 1991 11.176280070912 1992 10.5489426574439 1993 9.82175387472422 1994 10.3410743366346 1995 11.3218127835357 1996 11.1796167861588 1997 12.2187285430844 1998 13.2214060253638 1999 13.6684931968314 2000 12.6731661092412 2001 12.564830198351 2002 11.3311506531658 2003 10.9956875577102 2004 11.1127418826821 2005 10.6324202137784 2006 11.1150143030403 2007 11.502950309044 2008 10.6345827406132 2009 7.7528342214324 2010 7.93258437699537 2011 8.71507325922002 2012 7.91876448282804 2013 7.77234435425409 2014 7.93684880978087 2015 8.78643203391633 2016 8.44141468769143 2017 9.05982954323329 2018 9.26229030907563 2019 9.53571095182524 2020 5.92837098927895 2021 9.21323115539858