Year Percent of GDP 2001-01-01 53.222 2002-01-01 55.587 2003-01-01 58.672 2004-01-01 66.167 2005-01-01 65.560 2006-01-01 64.307 2007-01-01 64.774 2008-01-01 73.790 2009-01-01 86.850 2010-01-01 95.549 2011-01-01 99.873 2012-01-01 103.338 2013-01-01 104.882 2014-01-01 104.576 2015-01-01 104.790 2016-01-01 106.838 2017-01-01 105.199