Year % of GDP 2002 91.13160050196502 2003 95.25855192860475 2004 86.81923041150739 2005 75.53842659026698 2006 67.68943232420264 2007 72.24850114904416 2008 76.41465085477168 2009 104.93152561408743 2010 81.03741652276895 2011 78.64261130096709 2012 79.91983607294917 2013 85.31776117688179 2014 89.94286386091905 2015 103.37932018765774 2016 97.1211932156525 2017 94.2486231570203 2018 84.70542976435458 2019 76.24802471471801 2020 89.31294744850213 2021 78.97394663784021 2022 80.89981133296116 2023 86.78880268857802