Year % of GDP 2005 93.2746279356146 2006 93.49492100641064 2007 92.46071906139117 2008 91.95616147261538 2009 91.47412271673885 2010 89.06003807393803 2011 85.31772640349207 2012 83.60114314828841 2013 83.28902020841457 2014 78.53215245443718 2015 69.34549863661356 2016 68.78842093327343 2017 71.88522959786566 2018 72.95548655546196 2019 74.04728909038396 2020 80.76775424797262 2021 86.99053158971358 2022 82.02680469741597