Year % of GDP 2003 92.35046647059968 2004 93.26293423209722 2005 93.42834735105606 2006 90.94933801110972 2007 92.06437337209017 2008 93.11654775640271 2009 92.08275577314419 2010 90.00639295354453 2011 90.54266900729249 2012 88.28234048886978 2013 90.4148015517756 2014 87.5449815058617 2015 83.91142989687043 2016 79.81090557899878 2017 79.2074948616223 2018 79.12635195713123 2019 78.83634144389306 2020 79.01600003966543 2021 80.94318198575495