Year % of GDP 2002 135.74494175352544 2003 173.59860586697647 2004 208.55938899130894 2005 240.51490514905146 2006 268.22033898305085 2007 264.77842809364546 2008 429.35909519321393 2009 253.29683408712214 2010 287.0259019426457 2011 338.92967085010656 2012 77.01149425287356 2013 74.69234884965222 2014 85.91865357643759 2015 43.13404313404313 2016 66.27172195892575 2017 94.35951502372166 2018 106.11776701503952 2019 100.43678718757583 2020 76.03246598233468 2021 91.47164716471647