Year % of GNI 1989 2.04026140323484 1990 2.51623286815024 1991 1.65182805968419 1992 1.51318175911277 1993 1.82200442219254 1994 1.43247792614323 1995 1.65900356365641 1996 1.89167366599617 1997 1.64440113180594 1998 0.297813994096494 1999 0.726694071295368 2000 1.98468318189225 2001 2.22622932801893 2002 1.86463322146362 2003 1.67911714942422 2004 1.6937425674646 2005 1.4081195454383 2006 1.4868732231217 2007 1.19055020251514 2008 1.573788462246 2009 0.988251402518539 2010 1.06156215614756 2011 1.44676549062003 2012 1.40293335484725 2013 1.19960869455283 2014 0.927262364199475 2015 0.594729032766152 2016 0.353977168708578 2017 0.467934703203696 2018 0.633341570059485 2019 0.468319019268381 2020 0.223723663983243 2021 0.73461491551263