Year Percent of GDP 2004-01-01 26.0697352541744 2005-01-01 27.4812393173490 2006-01-01 33.4394846658940 2007-01-01 30.3269774352784 2008-01-01 27.7679067085643 2009-01-01 24.5393834013669 2010-01-01 24.6548681862896 2011-01-01 26.5343329877393 2012-01-01 30.6214751878213 2013-01-01 29.7771800183288 2014-01-01 27.5092328987397 2015-01-01 27.9481420981175 2016-01-01 34.5842983797511 2017-01-01 42.9388628166108 2018-01-01 42.8561088802818 2019-01-01 43.0072364009097