Year % of GNI 1994 2.447158996278402 1995 2.424736458923928 1996 2.7947851117210094 1997 2.418269392876132 1998 2.893280581974492 1999 2.408307327740988 2000 2.6009462334491786 2001 2.65982472759757 2002 2.197098713139108 2003 1.8386889645609288 2004 1.4697255629788886 2005 1.7508386912653164 2006 1.7897755222689065 2007 1.5317493841771515 2008 1.0157967862979251 2009 1.022992383051562 2010 0.7401244957864053 2011 0.7668542630634574 2012 0.9684882330714328 2013 1.2530939463379627 2014 1.147543347782264 2015 1.9633142036221851 2016 1.7395998878953345 2017 1.7115365321598581 2018 2.4406814458812023 2019 2.2517776179662587 2020 2.3252397125948 2021 2.37702654787238 2022 2.2942595279799605