Year Percent of GDP 2000-01-01 26.0021 2001-01-01 30.2942 2002-01-01 26.4512 2003-01-01 29.9362 2004-01-01 27.1470 2005-01-01 23.7678 2006-01-01 25.2139 2007-01-01 22.7167 2008-01-01 20.0651 2009-01-01 23.8498 2010-01-01 20.8478