Year % of GNI 1990 0.614951491203135 1991 0.769622293109896 1992 0.786511996801357 1993 0.836914049842429 1994 0.86078203914276 1995 0.859095059297593 1996 0.738270141506437 1997 0.875670114974303 1998 0.900952700185039 1999 0.90512883240923 2000 0.90620389153491 2001 0.947988130381061 2002 0.970014108657545 2003 1.0669689534219 2004 1.11085778382205 2005 1.12010478676446 2006 1.14090736517869 2007 1.18690034244707 2008 1.05381556537967 2009 1.08229807321177 2010 1.04357750893532 2011 1.02837995073359 2012 1.02528968469833 2013 0.994354466769403 2014 1.02926980565408 2015 1.08925751620385 2016 1.12218472808925 2017 1.01189135135457 2018 1.0867576221181 2019 1.24539973246518 2020 1.28394933896855 2021 1.27985398309928