Year % of GDP 2006 87.96503682332396 2007 91.17349763999614 2008 96.91539151732668 2009 84.32639151836425 2010 89.13322283305708 2011 90.43074580305596 2012 84.00079256814944 2013 87.72484019622418 2014 117.48911156024937 2015 107.78772457345598 2016 101.78233985936676 2017 102.6281964791683 2018 106.96050417923999