Year Percent of GDP 2000-01-01 24.0844 2001-01-01 29.4936 2002-01-01 32.2395 2003-01-01 31.9033 2004-01-01 26.0736 2005-01-01 25.0527 2006-01-01 30.3926 2007-01-01 50.1938 2008-01-01 35.9141 2009-01-01 42.3695 2010-01-01 30.3524 2011-01-01 24.3037 2012-01-01 17.3222 2013-01-01 19.8192 2014-01-01 22.8617 2015-01-01 35.6678 2016-01-01 38.4718 2017-01-01 45.7635 2018-01-01 50.1105 2019-01-01 56.0882