Year % of GNI 1990 0.7204836634243298 1991 0.7235136245938827 1992 0.7153613951854846 1993 0.7476002629252146 1994 0.7414870715247944 1995 0.7092263755620161 1996 0.7539619943626347 1997 0.8114811860236875 1998 0.8286414516792855 1999 0.8210971982455081 2000 0.8588679749325902 2001 0.9074074372510356 2002 0.8983100931075763 2003 0.8538123998419326 2004 0.812261135884087 2005 0.8113212396056895 2006 0.8050691745154777 2007 0.787465224197138 2008 0.7576521287449011 2009 0.7820115670469648 2010 0.7978957123888601 2011 0.7586466450866266 2012 0.7770540764731954 2013 0.8027225585250987 2014 0.801834522160585 2015 0.8748528232464843 2016 0.8831790598498881 2017 0.8779303057523865 2018 0.8719367765804658 2019 0.8713292807749715 2020 0.8664453917315789 2021 0.8534734719111162