Year Percent of GDP 1995-01-01 -0.44 1996-01-01 -0.51 1997-01-01 0.10 1998-01-01 0.68 1999-01-01 1.81 2000-01-01 2.77 2001-01-01 0.44 2002-01-01 0.72 2003-01-01 1.47 2004-01-01 1.79 2005-01-01 2.11 2006-01-01 2.45 2007-01-01 2.07 2008-01-01 2.26 2009-01-01 2.42 2010-01-01 2.89 2011-01-01 2.49 2012-01-01 3.99 2013-01-01 4.62 2014-01-01 3.91