Year % of GDP 2008 5.840849304851202 2009 14.631622442688611 2010 18.58460834884411 2011 18.581765721730953 2012 18.784795783757126 2013 12.730858372129386 2014 7.131238583373634 2015 6.05838511750296 2016 11.757896923076922