Year Percent of GDP 2004-01-01 54.9131230210831 2005-01-01 47.0469043682226 2006-01-01 48.4608743888047 2007-01-01 42.9115875496171 2008-01-01 36.4443669538097 2009-01-01 45.4960340003793 2010-01-01 51.1641792913627 2011-01-01 53.2129973374226 2012-01-01 69.9659646025618 2013-01-01 81.3501633982657 2014-01-01 82.5908841496398 2015-01-01 95.1308134070615 2016-01-01 92.7123143468201 2017-01-01 99.2135245761356 2018-01-01 95.3058371635743 2019-01-01 96.2140636121448