Year % of GNI 1990 0.743158605079845 1991 0.758025340931449 1992 0.603242088603546 1993 0.731773599206509 1994 1.43111045849263 1995 1.18442887959393 1996 1.50429756658837 1997 0.855932023426295 1998 1.3135250181132 1999 1.97347846669747 2000 1.61147685408914 2001 1.57599551420946 2002 1.60274114930846 2003 1.83783287835595 2004 1.76390745257866 2005 1.81262588862246 2006 1.66406316946711 2007 1.46752778452805 2008 1.27352892485866 2009 2.31779826901264 2010 2.20673715394538 2011 1.83055723090096 2012 1.79406600698864 2013 1.30137069104984 2014 1.15851149753235 2015 1.4725011790031 2016 1.35956123009735 2017 1.21011995055751 2018 1.26905121789589 2019 1.33442592929641 2020 1.26278274406509 2021 1.20272122881421