Year % of GNI 1992 17.479855253752703 1993 26.116314801145222 1994 31.117487001057476 1995 31.12833766667711 1996 32.883423678099675 1997 32.340178646041274 1998 67.80187692068587 1999 95.67027242032795 2000 57.97643843686271 2001 46.682695116099275 2002 40.853339458135636 2003 44.56266076136039 2004 37.04428975243597 2005 33.5124776049074 2006 32.38658853968946 2007 32.759185499739615 2008 25.973756311207257 2009 34.361316617334474 2010 28.27737153016492 2011 27.416221347537718 2012 27.647729074083742 2013 30.210287845098605 2014 27.842187536467694 2015 37.12595276222695 2016 43.1184713428485 2017 33.88727423603387 2018 29.54879610900002 2019 29.62887059987864 2020 31.612581335718804 2021 26.320551208476722 2022 17.148470778272053