Year % of GNI 1990 0.630509259072408 1991 0.785846093819529 1992 0.864794974152682 1993 0.840003077919361 1994 0.64496312366764 1995 0.48623102437367 1996 0.497806906969718 1997 0.536214912556616 1998 0.588110299424956 1999 0.919253612741092 2000 0.914620205278959 2001 1.14397379708264 2002 1.29976029670912 2003 1.20829661207735 2004 1.1158928434957 2005 0.891277567867903 2006 0.762153825457814 2007 0.663997705771771 2008 0.606161791975952 2009 0.592964984584915 2010 0.531249746359845 2011 0.489511339380015 2012 0.587138933227261 2013 0.645381746586543 2014 0.714730472224302 2015 0.954397922356233 2016 0.913478820468819 2017 0.843511847022153 2018 0.912362329794403 2019 0.971501340924402 2020 1.24675571255478 2021 1.26503805892481