Year Percent of GDP 2004-01-01 30.9923127711805 2005-01-01 27.2545524223807 2006-01-01 36.2071508828159 2007-01-01 45.4624945788728 2008-01-01 39.4636564211627 2009-01-01 47.8698671729483 2010-01-01 58.9097918026513 2011-01-01 43.3584818262867 2012-01-01 41.3228332486623 2013-01-01 41.9293316252973 2014-01-01 41.5946269661106 2015-01-01 44.2691244838684 2016-01-01 36.1227400089323 2017-01-01 29.9474187953739 2018-01-01 28.6213388951121 2019-01-01 27.2625358786577