Year % of GNI 1990 0.792794721801294 1991 0.805728563928067 1992 2.6347455255811 1993 4.01489617933988 1994 8.51517703435785 1995 4.07529631843184 1996 4.21572448733476 1997 3.97506508464612 1998 5.18447133867205 1999 6.53842799575466 2000 4.03690169983024 2001 4.19972841959414 2002 2.31630101865485 2003 2.18930138892552 2004 1.82732652502156 2005 1.11669280294265 2006 0.878974409158811 2007 0.757850299304119 2008 0.691558279936678 2009 0.920089468080361 2010 0.882721883981247 2011 0.712406792495748 2012 0.645888794659696 2013 0.704286699796166 2014 0.773930504227088 2015 1.32942123104685 2016 2.26227652781146 2017 1.40169120280358 2018 1.30771480353656 2019 1.63069231400158 2020 2.02622526685513 2021 1.71365222644187