Year % of GNI 1989 0.143323137851662 1990 0.0857677304732538 1991 0.0516689829665748 1992 0.0796056881082657 1993 0.0470730945834335 1994 0.116385004401945 1995 0.0902042074877081 1996 0.0594096911429745 1997 0.0497177899907042 1998 0.0149952046585518 1999 0.0199646099951257 2000 0.0209217796651976 2001 0.0135942659627519 2002 0.0149463073060871 2003 0.018603912775814 2004 0.0288576211747849 2005 0.0173727616254631 2006 0.0331954371102851 2007 0.00572401694754362 2008 0.00259159158817381 2009 0.0069061586183264 2010 0.0149641687629443 2011 0.022300703666527 2012 0.0199812387846959 2013 0.0123659805976792 2014 0.0100332265664071 2015 0.00847323702477749 2016 0.00819857850306027 2017 0.00938737151567385 2018 0.0100595031113848 2019 0.00703309796225381 2020 0.00653308055060047 2021 0.0161008360284759