Year Percent of GDP 2004-01-01 43.4864096722543 2005-01-01 38.6419956472525 2006-01-01 20.8961243669857 2007-01-01 23.2859065277328 2008-01-01 20.8943197534928 2009-01-01 25.5712441425452 2010-01-01 26.7032934899512 2011-01-01 21.7393060706696 2012-01-01 22.9294888307112 2013-01-01 22.0598973329205 2014-01-01 21.8450980408045 2015-01-01 25.9384055909934 2016-01-01 26.0694195277355 2017-01-01 24.3431949505448 2018-01-01 23.7224784781537 2019-01-01 23.7235999782182