Year Percent of GDP 2000-01-01 27.6272 2001-01-01 38.1645 2002-01-01 42.1847 2003-01-01 43.0575 2004-01-01 42.6093 2005-01-01 32.9621 2006-01-01 31.9578 2007-01-01 36.3210 2008-01-01 49.6805 2009-01-01 73.3988 2010-01-01 59.3217 2011-01-01 59.6511 2012-01-01 45.7217 2013-01-01 88.0878 2014-01-01 143.1052 2015-01-01 182.1776 2016-01-01 145.0687 2017-01-01 90.3556 2018-01-01 80.5580 2019-01-01 78.8593