Year Percent of GDP 1997-01-01 2.34 1998-01-01 0.81 1999-01-01 0.28 2000-01-01 -0.35 2001-01-01 -0.64 2002-01-01 -1.02 2003-01-01 -0.03 2004-01-01 -0.56 2005-01-01 -3.37 2006-01-01 -3.44 2007-01-01 -5.14 2008-01-01 -5.41 2009-01-01 -2.20 2010-01-01 1.08 2011-01-01 1.16 2012-01-01 4.11 2013-01-01 6.04