Year Percent of GDP 2004-01-01 1.545522431 2005-01-01 1.841171771 2006-01-01 1.909196368 2007-01-01 2.165379677 2008-01-01 2.387514639 2009-01-01 2.624989071 2010-01-01 2.826388830 2011-01-01 2.656270170 2012-01-01 2.779712521