Year % of GDP 2003 87.29719728103149 2004 88.15243572952825 2005 99.70792654893582 2006 89.69385624190787 2007 94.96705396291428 2008 107.37322125157958 2009 85.7573657356888 2010 110.47236823412416 2011 130.54794235399422 2012 100.9784010849072 2013 95.91166815875857 2014 87.0885837878503 2015 83.10138100845734 2016 85.83767292042779 2017 84.20725586731037 2018 89.77669062660331 2019 92.19075156074916 2020 82.69992612315123 2021 85.1523060966678