Year % of GNI 1981 5.903411417836043 1982 7.3482136250517796 1986 4.827394698850083 1987 4.982631632100896 1988 4.902490998242018 1989 6.06174504884261 1990 6.973097372497692 1991 5.7941561247039814 1992 6.250977310005678 1993 5.619829675837885 1994 8.50808726839301 1995 10.38985513815516 1996 9.654339620090658 1997 8.818081638211755 1998 8.210733893672103 1999 5.864495435174602 2000 6.366735052901225 2001 6.015469640654184 2002 6.597427684598668 2003 8.442391879703118 2004 7.577333105803753 2005 8.185222463659764 2006 8.454952343749238 2007 8.951172578725556 2008 9.060422481206867 2009 7.23301323780015 2010 7.558257285198371 2011 9.030471959294335 2012 8.135115437904917 2013 7.30461087995472 2014 6.689433564139773 2015 5.916368809259008 2016 6.0893724575780785 2017 6.093743388846672 2018 5.38066617499179 2019 4.644347416952071 2020 4.818554287065667 2021 8.169489178402532