Year % of GNI 1980 4.560199851682577 1981 3.092803820815205 1982 1.3667430042631994 1983 3.214688846629948 1984 4.147961594594332 1986 1.2222975630111286 1987 2.2770946420293727 1988 1.8314018029761945 1989 3.9551720382375537 1990 5.188787469240917 1991 2.886385145606088 1992 3.3120664218534905 1993 3.2622309531721303 1994 3.1808488419923617 1995 3.1953478236362063 1996 3.437037218794069 1997 3.7800190903947493 1998 1.763433799641848 1999 2.673469038748679 2000 6.535645992328674 2001 3.435560505200369 2002 3.1274162316037133 2003 2.400438594804284 2004 3.9997339719173053 2005 8.908152380415311 2006 9.214888348743798 2007 8.434659992331849 2008 8.471912733341378 2009 4.61272957649837 2010 6.803778851939383 2011 8.697555773392143 2012 7.481435306764959 2013 5.359518762046859 2014 3.937029032317998 2015 1.6501317373771502 2016 1.3966567735256663 2017 2.5920392725830617 2018 3.7415800780255712 2019 3.302428648460515 2020 1.687669120874032 2021 2.8225919506198047