Year Percent of GDP 2004-01-01 2.3484 2005-01-01 3.8723 2006-01-01 5.3875 2007-01-01 8.3701 2008-01-01 10.6878 2009-01-01 7.8732 2010-01-01 7.3774 2011-01-01 7.0507 2012-01-01 5.5869 2013-01-01 6.0525 2014-01-01 7.0684 2015-01-01 6.3109 2016-01-01 7.4769