Year % of GDP 2002 151.94704049844236 2003 152.70379338175948 2004 178.099173553719 2005 174.55230914231856 2006 159.6969696969697 2007 128.57142857142858 2008 100.85197018104365 2009 84.52830188679246 2010 92.61576971214018 2011 105.07544581618656 2012 114.87935656836461 2013 120.07772020725389 2014 119.83173076923077 2015 122.74725274725276 2016 152.84552845528455 2017 131.4102564102564 2018 108.68562644119908 2019 104.57239627434379 2020 77.3892773892774