Year Percent of GDP 2004-01-01 15.7459346215455 2005-01-01 16.1921960000219 2006-01-01 15.3380922612031 2007-01-01 13.8425934120425 2008-01-01 14.1816748353876 2009-01-01 14.6399906067587 2010-01-01 18.2954818261557 2011-01-01 25.6671922772547 2012-01-01 47.3819215232902 2013-01-01 54.4688136397377 2014-01-01 55.3626808593537 2015-01-01 45.3255424914578 2016-01-01 38.1183089900395 2017-01-01 39.2353413175365 2018-01-01 40.0463428321131 2019-01-01 66.0408479348567