Year % of GNI 1994 2.447158996278402 1995 2.424736458923928 1996 2.79478511172101 1997 2.418269392876132 1998 2.8932805819744924 1999 2.4083073277409883 2000 2.600946233449178 2001 2.65982472759757 2002 2.197098713139108 2003 1.838688964560929 2004 1.4697255629788881 2005 1.7508386912653164 2006 1.789775522268907 2007 1.5317493841771515 2008 1.015796786297925 2009 1.0229923830515617 2010 0.7401244957864052 2011 0.7668542630634574 2012 0.9684882330714327 2013 1.2530939463379627 2014 1.1475433477822639 2015 1.963314203622185 2016 1.7395998878953345 2017 1.7115365321598581 2018 2.4406814458812023 2019 2.2517776179662587 2020 2.3252397125948003 2021 2.3770265478723807 2022 2.29425952797996