Year % of GNI 1990 6.959158824767384 1991 6.308428046621462 1992 6.1647421096211446 1993 5.4172267750940115 1994 6.815566708032995 1995 7.79481472695846 1996 10.500605757528044 1997 10.935019622076089 1998 10.598931591264954 1999 10.053193965789069 2000 9.994502210715352 2001 9.00116274898122 2002 8.273620657314124 2003 8.132517606150985 2004 8.826240469139762 2005 8.891839399658224 2006 9.752191893193713 2007 9.49097553395094 2008 7.523250924555232 2009 4.900012742902942 2010 6.820880440068259 2011 7.698675050648386 2012 8.07913830947033 2013 8.563592066175294 2014 9.046068955201122 2015 8.916034548710035 2016 8.50536846497715 2017 9.301282295849603 2018 9.303654336532366 2019 9.154313965779476 2020 7.735765999498056 2021 7.734992606245751