Year % of GDP 2001 144.41928065564127 2002 149.4930254271875 2003 147.19527445783532 2004 147.33849851809694 2005 156.53434762445195 2006 162.8060668431748 2007 180.5605308350549 2008 212.0931050750422 2009 226.23766879942607 2010 234.12827016647083 2011 242.4253106104192 2012 249.09501598635822 2013 254.5516588207344 2014 251.71026675991644 2015 243.3048804253954 2016 216.13757070122062 2017 191.69039350364667 2018 136.0686077731147 2019 107.63721598593001 2020 107.78497662334652 2021 89.96844064197037 2022 75.51571444000432 2023 65.86656995634952