Year % of GNI 2006 1.4509261040095147 2007 3.7517756506068403 2008 1.1321000812872901 2009 1.2316214757208033 2010 2.2528635491762956 2011 4.402578752167419 2012 6.116215526030368 2013 7.637924519561174 2014 5.805382546055287 2015 11.47410375077183 2016 10.504936309469247 2017 5.911382525868497 2018 12.446792989787143 2019 9.774008232987672 2020 12.902033979659855 2021 11.613381179899172 2022 6.326237714750419