Year Percent of GDP 2000-01-01 34.9153 2001-01-01 35.1203 2002-01-01 29.9506 2003-01-01 22.9977 2004-01-01 17.3018 2005-01-01 11.8049 2006-01-01 8.2570 2007-01-01 7.0472 2008-01-01 5.3761 2009-01-01 6.6533 2010-01-01 6.1610 2011-01-01 4.6411 2012-01-01 3.6021 2013-01-01 3.0920 2014-01-01 3.4292 2015-01-01 4.6535 2016-01-01 9.8831 2017-01-01 20.6409 2018-01-01 26.7224 2019-01-01 32.4171