Year Percent of GDP 2004-01-01 22.7907902754868 2005-01-01 22.7316931797081 2006-01-01 24.6123720518410 2007-01-01 25.6864365319270 2008-01-01 20.9088110978453 2009-01-01 24.2025485715558 2010-01-01 24.3554318756303 2011-01-01 22.9903763125370 2012-01-01 25.5012962955751 2013-01-01 28.4082389603983 2014-01-01 23.5420922435115 2015-01-01 23.1094191435874 2016-01-01 24.5385126170611 2017-01-01 29.4447710083721 2018-01-01 28.4343324005484 2019-01-01 26.4751021093556