Year Percent of GDP 1994-01-01 2.67 1995-01-01 2.09 1996-01-01 1.35 1997-01-01 2.19 1998-01-01 2.95 1999-01-01 2.53 2000-01-01 2.46 2001-01-01 2.04 2002-01-01 2.72 2003-01-01 3.05 2004-01-01 3.58 2005-01-01 3.52 2006-01-01 3.79 2007-01-01 4.67 2008-01-01 3.18 2009-01-01 2.77 2010-01-01 3.56 2011-01-01 1.93 2012-01-01 1.05 2013-01-01 0.66