Year % of GNI 1992 0.015695117878103834 1993 0.31561039492657506 1994 0.6307592187316388 1995 2.3858169505719693 1996 2.8576634651356647 1997 2.7394465154523084 1998 4.914544819652865 1999 9.298213271092104 2000 12.384552314708374 2001 6.627858230175954 2002 8.48369877493945 2003 7.850071105364254 2004 6.893224130502771 2005 6.916866010904134 2006 8.901603956579308 2007 8.469042225086632 2008 10.372575454494953 2009 20.014014929978156 2010 19.871289169167188 2011 16.68769643523515 2012 16.247325171255408 2013 20.164106425791797 2014 15.853826713854676 2015 31.334783979043006 2016 13.141811862121827 2017 11.629251575809912 2018 11.17269184289234 2019 8.956141668724644 2020 10.872220106230815 2021 7.472230018735056 2022 7.234969239973041