Year Percent of GDP 2004-01-01 57.1292 2005-01-01 53.9404 2006-01-01 52.5559 2007-01-01 56.6782 2008-01-01 56.8995 2009-01-01 61.1277 2010-01-01 61.9722 2011-01-01 56.8699 2012-01-01 45.9321 2013-01-01 51.5205 2014-01-01 64.9322 2015-01-01 86.6621