Year Percent of GDP 2004-01-01 30.6441 2005-01-01 27.7640 2006-01-01 30.4004 2007-01-01 39.1081 2008-01-01 44.3016 2009-01-01 61.0254 2010-01-01 56.5920 2011-01-01 54.9511 2012-01-01 64.3433 2013-01-01 68.4512 2014-01-01 73.4140 2015-01-01 105.5970 2016-01-01 129.6162