Year % of GNI 1990 7.786767357424665 1991 6.089351260819326 1992 6.154113811715897 1993 7.385282559321561 1994 8.573379413482055 1995 9.070915169355954 1996 8.913024947062157 1997 8.577198264646091 1998 10.419404631654103 1999 8.502716992000833 2000 8.280966869807747 2001 9.748326536345704 2002 12.659616204093929 2003 12.552131090173134 2004 11.64878844407235 2005 11.780067572029399 2006 13.43730921340199 2007 14.097622006604489 2008 12.252288976451563 2009 9.367837937931961 2010 9.8912738016308 2011 9.456502760543625 2012 11.461942303757436 2013 11.28066758848139 2014 10.95956386166767 2015 10.773647284696356 2016 11.016749646046451 2017 11.991814737333439 2018 11.367991744995019 2019 11.547243651516476 2020 7.058196790990033 2021 8.16165277506841