Year % of GNI 1970 3.488404515229885 1971 3.4079118129832957 1972 6.551217180659585 1973 5.06290155623163 1974 1.892096052073922 1990 3.7002122324112388 1991 2.083924081669414 1992 1.5593646247713961 1993 1.483659306716589 1994 1.6295810037170382 1995 0.9906888635974488 1996 1.6931656697267445 1997 1.107716178202108 1998 1.5845662992385903 1999 2.0171937318945514 2000 1.6722146073101696 2001 1.5263166285104406 2002 1.4464551431892154 2003 1.4408193708456185 2004 1.6588215332205207 2005 1.051664239239477 2006 1.2169396169676823 2007 1.4631993227124132 2008 1.7947244277885905 2009 1.5721047355279416 2010 1.217244992455939 2011 1.0701492165188313 2012 0.9978392713395395 2013 0.8451312369451643 2014 0.8058137887876756 2015 0.8676949059095468 2016 1.0980120722327968 2017 1.1131673644685673 2018 1.082067236650292 2019 1.3244045155978141 2020 1.6435217963266757 2021 1.413995172275622 2022 1.033552326991728