Year Percent of GDP 2004-01-01 13.7546861779515 2005-01-01 17.0947537670008 2006-01-01 20.0140416842337 2007-01-01 23.0363098238676 2008-01-01 23.1672650430733 2009-01-01 24.4189346993432 2010-01-01 22.8231860931029 2011-01-01 12.4247740314646 2012-01-01 12.0494054470423 2013-01-01 12.7024580389770 2014-01-01 11.9855600995266 2015-01-01 12.1665192521418 2016-01-01 10.7564734142598 2017-01-01 13.3510642251676 2018-01-01 11.7945102579240 2019-01-01 13.0347229577165