Year Percent of GDP 2004-01-01 46.8839192223747 2005-01-01 44.4257265048412 2006-01-01 41.5648934146494 2007-01-01 47.9886777392569 2008-01-01 52.4990565840347 2009-01-01 52.7028438528009 2010-01-01 49.3397099035262 2011-01-01 42.6398569286602 2012-01-01 44.8135863280236 2013-01-01 42.6578491376691 2014-01-01 38.2826044231151 2015-01-01 45.8295003913674 2016-01-01 41.3566657231066 2017-01-01 40.2363406140079 2018-01-01 40.6342300354202 2019-01-01 41.1225699793629