Year Percent of GDP 2004-01-01 0.8189 2005-01-01 0.8392 2006-01-01 0.8523 2007-01-01 1.1566 2008-01-01 1.1860 2009-01-01 2.7578 2010-01-01 1.6307 2011-01-01 1.8560 2012-01-01 1.9934