Year % of GNI 1992 11.7700156303537 1993 12.3122040784492 1994 12.4019568680809 1995 11.2676066376575 1996 11.4253072166105 1997 11.4464059999465 1998 13.3683249114753 1999 12.2280182387466 2000 16.970872644372 2001 21.7876751096569 2002 27.4305799772148 2003 25.5696215521305 2004 22.9888322247815 2005 19.4151313094294 2006 18.1149510381562 2007 13.5822205447615 2008 11.0607191953942 2009 9.3050475521954 2010 7.12699849081741 2011 6.25776302943735 2012 5.14601683171161 2013 4.85996457407492 2014 4.3082482953098 2015 3.93552355339479 2016 4.34409773857138 2017 6.47498980471302 2018 8.1388575979451 2019 7.84787788481413 2020 7.81182795614837 2021 7.15809705639857