Year % of GDP 2000 69.97200898189826 2001 74.9561041147084 2002 80.8952529233221 2003 74.197286587627 2004 73.12932279224307 2005 69.85979017010524 2006 93.83558202807946 2007 88.10075236284773 2008 89.90617181790411 2009 81.95956693073818 2010 81.82817134866515 2011 81.5695141573049 2012 82.74050071711976 2013 81.00292611318845 2014 80.24605528985327 2015 79.16178685416821 2016 76.75531224813244 2017 74.79550909715566 2018 73.43998558907859 2019 71.37560074631614 2020 81.2245837049489 2021 72.99701964595783 2022 74.67190342770735 2023 73.55646676658311