Year Percent of GDP 2004-01-01 29.4575262282530 2005-01-01 31.2356374694974 2006-01-01 36.2030079596652 2007-01-01 36.4309798729155 2008-01-01 51.7370245781140 2009-01-01 48.8684362601842 2010-01-01 63.9749583619929 2011-01-01 76.8123757857500 2012-01-01 59.6523527365711 2013-01-01 56.4980841829585 2014-01-01 51.7049885656035 2015-01-01 46.6879482453908 2016-01-01 39.8743138021051 2017-01-01 37.6013652353956 2018-01-01 37.9820940975481 2019-01-01 35.0522046713700