Year Percent of GDP 2004-01-01 70.7385 2005-01-01 79.1104 2006-01-01 84.0801 2007-01-01 75.7363 2008-01-01 73.6953 2009-01-01 76.1074 2010-01-01 79.3712 2011-01-01 76.3313 2012-01-01 81.3987 2013-01-01 95.5321 2014-01-01 103.9662 2015-01-01 109.5139 2016-01-01 117.2361