Year Percent of GDP 2004-01-01 78.3997627316146 2005-01-01 80.3989859399265 2006-01-01 79.4406094836671 2007-01-01 73.9971303492096 2008-01-01 70.8279806363646 2009-01-01 64.2423372129120 2010-01-01 63.0484013527928 2011-01-01 69.1534664170607 2012-01-01 45.0409539258490 2013-01-01 43.3597539184801 2014-01-01 44.7899816937733 2015-01-01 47.2655453531312 2016-01-01 46.9754112025761 2017-01-01 46.9572652762062 2018-01-01 48.7646291420215 2019-01-01 47.3367654309539