Year % of GNI 1993 0.07650727789046653 1994 0.7335732168448897 1995 1.1941365315324965 1996 0.652312463524364 1997 0.863272239027027 1998 0.663157317758795 1999 1.0757985002902033 2000 1.3557168497348298 2001 1.5372933407615748 2002 1.097777066082525 2003 0.9506316069806274 2004 0.9319917627934904 2005 0.7138001114614636 2006 0.5865896203224394 2007 0.673272240629188 2008 0.6088421665241849 2009 1.151598042579509 2010 1.0534993198864702 2011 2.9122534738651966 2012 5.273031325409399 2013 2.286379770425388 2014 3.666736633913619 2015 6.03681798288076 2016 6.726678247515644 2017 4.8382420059288975 2018 7.738109584791792 2019 5.725139666361632 2020 6.121301918699811 2021 4.15846018559219 2022 5.029539527734688