Year Percent of GDP 2004-01-01 0.6914 2005-01-01 0.7637 2006-01-01 0.8418 2007-01-01 0.9646 2008-01-01 1.0249 2009-01-01 1.3068 2010-01-01 1.6821 2011-01-01 1.9918 2012-01-01 2.1837