Year Percent of GDP 2004-01-01 65.4679646501721 2005-01-01 61.2418991204461 2006-01-01 39.5516358363822 2007-01-01 35.0653264873520 2008-01-01 31.5124297268907 2009-01-01 36.8140049301846 2010-01-01 38.3510636681034 2011-01-01 33.6771262775875 2012-01-01 33.2050780502761 2013-01-01 47.0167695458864 2014-01-01 52.3656357373402 2015-01-01 66.5618707020394 2016-01-01 92.3621132878221 2017-01-01 90.6900292288135 2018-01-01 91.5563545348043 2019-01-01 95.1022777588182