Year Percent of GDP 2000-01-01 122.8709 2001-01-01 102.5579 2002-01-01 99.0861 2003-01-01 75.2554 2004-01-01 49.2439 2005-01-01 44.2314 2006-01-01 35.0175 2007-01-01 33.6214 2008-01-01 46.8257 2009-01-01 51.0687 2010-01-01 51.3603 2011-01-01 48.0297 2012-01-01 46.4161 2013-01-01 42.3961 2014-01-01 41.1757 2015-01-01 51.2618 2016-01-01 61.2048 2017-01-01 66.9154 2018-01-01 67.8606 2019-01-01 69.3768