Year Percent of GDP 2000-01-01 52.0049 2001-01-01 49.4905 2002-01-01 57.2478 2003-01-01 66.0843 2004-01-01 67.8477 2005-01-01 63.1210 2006-01-01 54.4040 2007-01-01 63.6550 2008-01-01 64.9867 2009-01-01 65.1643 2010-01-01 57.8800 2011-01-01 52.7083 2012-01-01 49.2262 2013-01-01 48.5770 2014-01-01 49.9021 2015-01-01 69.3273 2016-01-01 85.2727 2017-01-01 90.7374 2018-01-01 94.0162 2019-01-01 94.9563