Year % of GNI 1990 1.29666742345911 1991 1.37215628266393 1992 1.2524900405458 1993 1.21497088838384 1994 1.03657519162986 1995 0.997327402825136 1996 0.981677372241942 1997 1.01859037431851 1998 1.14023589712754 1999 1.15922905310237 2000 1.10803794668664 2001 1.19413659930676 2002 1.20009724166066 2003 1.28984388297744 2004 1.09534018573665 2005 0.945088189325145 2006 0.899280825433059 2007 0.762694351892373 2008 0.686143197306281 2009 0.759474487878302 2010 0.656697039619914 2011 0.642619849527985 2012 0.607054086136133 2013 0.673491688113165 2014 0.720185808642697 2015 0.963147212328298 2016 1.06156525483305 2017 0.915335743866381 2018 0.944714301166553 2019 1.04560784121305 2020 1.17483124916732 2021 1.18990112980537