Year Percent of GDP 2006-01-01 26.0672 2007-01-01 21.7876 2008-01-01 20.7723 2009-01-01 20.4077 2010-01-01 21.0685 2011-01-01 21.7825 2012-01-01 25.6368 2013-01-01 24.2580 2014-01-01 24.8266 2015-01-01 27.5555 2016-01-01 25.7251 2017-01-01 26.1037 2018-01-01 25.6111 2019-01-01 25.4467