Year Percent of GDP 2004-01-01 344.31741740 2005-01-01 227.34477040 2006-01-01 143.16497900 2007-01-01 117.08482880 2008-01-01 74.16751105 2009-01-01 87.37509970 2010-01-01 53.55472630 2011-01-01 40.78320895 2012-01-01 34.73880536 2013-01-01 31.94824444 2014-01-01 38.92701088 2015-01-01 74.54539171