Year % of GNI 2006 0.919858146271892 2007 0.864640142491133 2008 0.780398042183845 2009 0.80767000119634 2010 0.861422623949229 2011 0.916583194996177 2012 1.01960858521422 2013 0.980726208005452 2014 0.988157675107461 2015 1.20951730627082 2016 1.24900941142716 2017 1.25700573084856 2018 1.21471651293021 2019 1.20285154747712 2020 1.19477404376849 2021 1.18479967370382