Year Percent of GDP 2004-01-01 55.5165436543404 2005-01-01 47.3629283478110 2006-01-01 64.8847369870762 2007-01-01 57.7631427385405 2008-01-01 60.4145190178372 2009-01-01 54.7063461256048 2010-01-01 61.0361786799700 2011-01-01 63.0676066609818 2012-01-01 53.9849216266717 2013-01-01 58.8927387424955 2014-01-01 65.8598083918608 2015-01-01 59.5932113980204 2016-01-01 52.9735122408091 2017-01-01 49.2094431430801 2018-01-01 48.1475089225331 2019-01-01 49.4800971291314