Year Percent of GDP 2004-01-01 15.1195 2005-01-01 9.9570 2006-01-01 9.7886 2007-01-01 9.6090 2008-01-01 9.8897 2009-01-01 14.9516 2010-01-01 13.7716 2011-01-01 30.1019