Year Percent of GDP 2000-01-01 41.7041 2001-01-01 38.2335 2002-01-01 49.4000 2003-01-01 49.4210 2004-01-01 54.0471 2005-01-01 60.4100 2006-01-01 62.9614 2007-01-01 62.2801 2008-01-01 80.6883 2009-01-01 65.6086 2010-01-01 70.3907 2011-01-01 42.2301 2012-01-01 74.2481 2013-01-01 82.9798 2014-01-01 69.3045 2015-01-01 51.2177 2016-01-01 31.7435 2017-01-01 47.1084 2018-01-01 41.2409 2019-01-01 43.3612