Year % of GDP 2001 78.45482052018123 2002 67.49380801995666 2003 69.05403521149557 2004 65.99646881289047 2005 71.27244799756521 2006 74.72411521330842 2007 85.3118398397658 2008 101.15332688370798 2009 100.97375099879662 2010 86.11712716980506 2011 84.17663004964459 2012 83.58294517601014 2013 86.66145807119003 2014 86.30596453977367 2015 91.7840511552667 2016 96.25308594488607 2017 100.47313349373093 2018 105.62170752382639 2019 108.98339523287986 2020 110.16940339670964 2021 103.96366212341866 2022 101.49363463994119 2023 96.15100674669715