Year % of GNI 1990 1.4207034248080124 1991 1.3544928104775948 1992 1.2437524130864923 1993 1.156961017779255 1994 1.098972201711418 1995 1.039512956810455 1996 0.9756543653983242 1997 0.930662311557098 1998 0.9109025618917272 1999 0.9093289458369527 2000 0.8640238784083583 2001 0.8232269698202033 2002 0.7998074233132455 2003 0.7613995794335792 2004 0.7010581127329368 2005 0.6550672614515225 2006 0.6086536010793102 2007 0.5741896801863204 2008 0.6273158734379106 2009 0.6352850084635631 2010 0.6060769022301102 2011 0.5762928511072808 2012 0.5661966511537814 2013 0.5596222420381686 2014 0.552195681422396 2015 0.5667209076266805 2016 0.5570334210533586 2017 0.5325605836020026 2018 0.5262600991404115 2019 0.5252490475669076 2020 0.5527461374846513 2021 0.522198915325426