Year Percent of GDP 2000-01-01 16.1646 2001-01-01 9.0723 2002-01-01 3.3178 2003-01-01 5.7843 2004-01-01 6.4317 2005-01-01 13.1698 2006-01-01 17.3231 2007-01-01 7.8510 2008-01-01 7.0618 2009-01-01 3.0955 2010-01-01 4.2073 2011-01-01 12.6366 2012-01-01 19.7366 2013-01-01 18.9874 2014-01-01 13.5139 2015-01-01 4.9043 2016-01-01 1.3979 2017-01-01 4.6703 2018-01-01 5.3054 2019-01-01 5.0588