Year Percent of GDP 2000-01-01 31.6042 2001-01-01 28.6637 2002-01-01 19.1645 2003-01-01 17.0665 2004-01-01 21.9031 2005-01-01 43.1663 2006-01-01 31.8267 2007-01-01 37.3681 2008-01-01 20.1535 2009-01-01 27.5069 2010-01-01 25.9444 2011-01-01 33.2467 2012-01-01 32.3787 2013-01-01 34.0627 2014-01-01 22.3473 2015-01-01 5.5878 2016-01-01 0.6185 2017-01-01 3.9343 2018-01-01 7.0342 2019-01-01 6.1278