Year % of GNI 1991 2.156910585903377 1992 2.0191427279214356 1993 1.7394694169454747 1994 2.109757180528445 1995 2.1637042654165755 1996 2.2609527236485563 1997 1.2775413933097637 1998 0.9085619787471242 1999 1.5022778445017477 2000 1.8661659111547633 2001 1.391187586570019 2002 1.6399739364097436 2003 2.186000199366836 2004 2.5717217370088825 2005 2.0254310729412035 2006 2.759197826398323 2007 2.750188267850431 2008 2.495865597653325 2009 2.6376041469857383 2010 2.671831726247723 2011 2.879526890533782 2012 2.7760260001333443 2013 1.9530408091814166 2014 1.5875904890032815 2015 1.7063342247481246 2016 2.1332440754527644 2017 2.2063399334469977 2018 2.0545785174777382 2019 2.1327659247660073 2020 1.726265575710226 2021 1.457922255100697 2022 1.3865685324170463