Year % of GNI 1993 0.05124481773705496 1997 3.726938951670832 1998 4.611961249412776 1999 1.619541178768491 2000 2.518053378404589 2001 3.1381108709573864 2002 2.8241140602238226 2003 2.582832292262788 2004 2.770747320897181 2005 1.7203103061771408 2006 1.5762810738911261 2007 0.9998647097543374 2008 1.1750295262586143 2009 0.988269614044468 2010 0.8603937307519728 2011 0.75552183596346 2012 1.0715392264410049 2013 1.158624797409544 2014 1.1703991297154717 2015 1.2870392236187906 2016 1.8238832179101259 2017 1.7365770410442516 2018 2.2244649785989825 2019 2.119638113142317 2020 1.7324581556313143 2021 2.0559543952376202 2022 1.8776592607201306