Year Percent of GDP 2004-01-01 114.1337 2005-01-01 118.1908 2006-01-01 122.9698 2007-01-01 139.0335 2008-01-01 168.1503 2009-01-01 165.2877 2010-01-01 161.6321 2011-01-01 149.1632 2012-01-01 145.6187 2013-01-01 136.7128 2014-01-01 124.3620 2015-01-01 122.7132 2016-01-01 125.6387