Year % of GNI 1990 0.614446438233389 1991 0.626916425751294 1992 0.82723602455431 1993 0.684352286471212 1994 0.650402232063102 1995 0.749883991626293 1996 0.733623563127284 1997 0.729163127895618 1998 0.775036181236358 1999 0.788663009732136 2000 0.783439292527936 2001 0.875654595526222 2002 1.01684865155495 2003 1.05359935251996 2004 1.00897868052962 2005 0.972468113588192 2006 0.971309421451897 2007 0.940129430896502 2008 0.984129049341893 2009 3.26012639788451 2010 1.24920545484245 2011 1.46088697496839 2012 1.8743966828957 2013 1.32946180111641 2014 1.35931501114598 2015 1.36039707373092 2016 1.3405005619141 2017 1.34668649866169 2018 1.30767330178194 2019 1.34083686350351 2020 1.24995514565732 2021 1.24782416770461