Year % of GDP 2001 120.610317883117 2002 118.959837823167 2003 118.060940093536 2004 118.559547322518 2005 125.979715519467 2006 125.660297258148 2007 122.698602289466 2008 126.300240899169 2009 135.092198754899 2010 135.058647506102 2011 132.087437517061 2012 135.253691601373 2013 130.42565501179 2014 125.402349786086 2015 123.520548555212 2016 128.751151724331 2017 125.083276072233 2018 123.904858150799