Year Percent of GDP 2004-01-01 30.8936687341035 2005-01-01 27.5565797901657 2006-01-01 23.3007709224417 2007-01-01 25.7305793559560 2008-01-01 30.8040531755393 2009-01-01 42.8208588142139 2010-01-01 28.1973097633819 2011-01-01 26.4243536897679 2012-01-01 26.6675788564365 2013-01-01 26.1429693456953 2014-01-01 27.5004618722008 2015-01-01 34.2024891289863 2016-01-01 27.2147084388277 2017-01-01 29.5745971208462 2018-01-01 26.4054185368926 2019-01-01 26.0890337656404