Year % of GDP 2009 10.533287439694178 2010 10.890546587156159 2011 11.302437648923387 2012 10.968921778205997 2013 10.906074471406338 2014 10.843209329095998 2015 10.34162852123985 2016 9.939704705390762 2017 10.025627097884934 2018 10.067228870997653 2019 10.561738198507978