Year Percent of GDP 2004-01-01 172.7383359961890 2005-01-01 136.9801188501660 2006-01-01 130.2548505229410 2007-01-01 129.6132456307150 2008-01-01 102.5152331949300 2009-01-01 25.6901630438401 2010-01-01 46.9116532462445 2011-01-01 42.7057096252508 2012-01-01 41.4307865851025 2013-01-01 36.1063867124439 2014-01-01 35.7724823201354 2015-01-01 45.2633516971551 2016-01-01 48.4196525919936 2017-01-01 51.7115553892642 2018-01-01 58.4402273631916 2019-01-01 63.5420356080216