Year % of GDP 2006 2.7938424457010136 2007 2.5053948461860984 2008 2.1951266933883207 2009 1.0792506904165138 2010 1.0621983649593265 2011 1.8010285347531672 2012 2.7863025591096924 2013 -2.207065334089563 2014 0.2884161670834472 2015 0.44376709219564864 2016 0.20485419321602658 2017 0.3941367405686324