Year % of GNI 1992 0.009833266862302481 1993 0.25068024979070025 1994 0.490611311587296 1995 2.173514301423533 1996 2.442639478681282 1997 2.218995704517591 1998 3.1650237620002306 1999 4.1640987908139095 2000 5.802691198522214 2001 2.329055796279049 2002 2.737774639700957 2003 2.7492550238961373 2004 2.4126982799790158 2005 2.106547486249504 2006 1.7879976834659608 2007 1.331329823180319 2008 1.1037052350060914 2009 2.496325752229987 2010 1.5000342045983233 2011 1.5305281847278494 2012 1.899900463452064 2013 4.092656638140107 2014 2.9672637468819714 2015 15.762220969275623 2016 3.622771767126789 2017 4.4374813796885775 2018 3.901835890082708 2019 3.0643861307980718 2020 4.2986298423395475 2021 2.6117862797951936 2022 1.4072569066786427