Year Percent of GDP 2004-01-01 2.9200 2005-01-01 3.7963 2006-01-01 3.0904 2007-01-01 3.2562 2008-01-01 3.7467 2009-01-01 4.1596 2010-01-01 4.1454 2011-01-01 6.3116 2012-01-01 5.4436 2013-01-01 9.4847