Year % of GNI 2008 0.988216117102534 2009 1.4535744938177209 2010 1.5043002903141764 2011 1.3551447864393356 2012 1.095424500951383 2013 1.1524004476183642 2014 1.116497827768799 2015 1.1461711334199012 2016 1.1043814599320747 2017 1.2632625641079287 2018 1.122660234971936 2019 1.2549366472178407 2020 1.6057720584698172 2021 1.3986072618476781