Year % of GNI 1993 0.29024696722587273 1994 0.2307128706245195 1995 0.2785006961805584 1996 0.08498147484197044 1997 0.20500473951731737 1998 0.33465398044199385 1999 0.23128628083832475 2000 1.7987870491115987 2001 0.8294117903683592 2002 1.393835013062192 2003 1.8336375014223754 2004 3.4731650842475386 2005 4.563799273912833 2006 6.823823934954223 2007 7.733716806528128 2008 9.328857516591956 2009 10.440611167405224 2010 10.522203565879144 2011 10.999064941497787 2012 14.420280832718014 2013 18.14556933891581 2014 18.321650462026817 2015 11.06785876908123 2016 15.26442439541031 2017 11.778213854325553 2018 11.545826532230347 2019 14.111831937980648 2020 9.685804326505243 2021 9.319547035194061 2022 9.45924449756757