Year Percent of GDP 2004-01-01 151.5976556938840 2005-01-01 130.8975795065850 2006-01-01 103.2288687419560 2007-01-01 42.1656332869571 2008-01-01 42.3741875177525 2009-01-01 48.0503822961776 2010-01-01 46.8490968769788 2011-01-01 44.7511259030871 2012-01-01 36.7654907013143 2013-01-01 30.5452500696728 2014-01-01 34.9655608214598 2015-01-01 45.2669583667897 2016-01-01 54.8826758159333 2017-01-01 63.9372368708317 2018-01-01 79.1639948308766 2019-01-01 93.3708834773162