Year Percent of GDP 2004-01-01 3.2923 2005-01-01 3.1079 2006-01-01 2.3614 2007-01-01 1.9449 2008-01-01 1.8386 2009-01-01 2.2020 2010-01-01 2.2815 2011-01-01 2.4238 2012-01-01 2.3658 2013-01-01 2.2153 2014-01-01 2.3226