Year % of GNI 1980 3.775849679215558 1981 4.933494069135847 1982 3.7156708230976347 1983 3.047941125448613 1984 3.9259161879747415 1985 4.638670061819383 1986 5.9351703968447485 1987 3.841415088935709 1988 2.8473465957488706 1989 2.451313501860214 1990 3.7069055481602553 1991 3.1294009452119984 1992 3.0832966142489946 1993 2.3525095546980976 1994 4.234023385925516 1995 5.123057228602845 1996 2.053664109977081 1997 1.65106761971985 1998 2.3562738226329585 1999 1.8953692427031412 2000 2.008115099578847 2001 1.6373226930873803 2002 0.551341240072842 2003 0.7045195347992844 2004 0.9794350535739549 2005 1.1277883277212897 2006 0.8590461683880193 2007 0.48489958991513005 2008 0.4091123456798373 2009 0.41608863707206123 2010 0.19704004542804276 2011 0.1843106575247672 2012 0.279699075893585 2013 0.44950359750178037 2014 0.4852986916773311 2015 0.5104869460812128 2016 0.6318918902285057 2017 0.5491677985250697 2018 0.5605408414478271 2019 0.7308666554155671 2020 0.6199548602338771 2021 0.6688818635111593 2022 0.7947443994000221