Year % of GNI 2002 1.4065887300043256 2003 1.4884146390644197 2004 7.084379117202952 2005 10.498966623557031 2006 12.90797436184655 2007 13.597530425234655 2008 16.255824250635037 2009 7.774300988415982 2010 11.309109819948539 2011 8.993923655241485 2012 11.908715700194822 2013 6.048966525018351 2014 3.555629566485565 2015 5.796883409808832 2016 4.489686135939149 2017 6.946765067971956 2018 7.986002974265355 2019 8.667828428789665 2020 6.953628171120942 2021 8.877002921983628