Year % of GDP 2005 75.41517482174406 2006 81.1648585918578 2007 85.19568040928387 2008 97.2727835361358 2009 84.01832771711865 2010 88.39267860197184 2011 99.93774673060705 2012 102.4406390466831 2013 92.10716629664809 2014 88.42769671743265 2015 79.81969949379885 2016 76.05746922248132 2017 80.1827602645416 2018 92.02285790574093