Year % of GNI 1989 2.359325729621723 1990 5.645462975407224 1991 3.228165890012697 1992 4.526789167707361 1993 3.4695449165563423 1994 2.7559385090340105 1995 2.66651971935726 1996 2.837013556624828 1997 2.316502205402313 1998 1.2667717036149837 1999 2.8724464707126454 2000 5.9088574148001145 2001 4.570870721739991 2002 3.760637110248434 2003 3.947939696829489 2004 6.520016773218923 2005 6.974663543006295 2006 6.68739499007274 2007 5.014511382144617 2008 5.2918832992800064 2009 2.6709920984005797 2010 2.502247806931049 2011 3.275259786658832 2012 2.81007147735673 2013 2.05325337284189 2014 1.9129295635681627 2015 1.0281189320965682 2016 0.7159935309588119 2017 0.7891603444044948 2018 0.8050680983446278 2019 0.5341770602812768 2020 0.2460844077452303 2021 0.5146366177781456