Year Percent of GDP 2004-01-01 0.166670047 2005-01-01 0.266318875 2006-01-01 0.364324004 2007-01-01 0.493985273 2008-01-01 0.435331457 2009-01-01 0.351573283 2010-01-01 0.191918483 2011-01-01 0.095926279 2012-01-01 0.096223381 2013-01-01 0.090779540 2014-01-01 0.066820788