Quarter	Billions of US Dollars
2004-07-01	0.06204
2004-10-01	0.06811
2005-01-01	0.06482
2005-04-01	0.06046
2005-07-01	0.06021
2005-10-01	0.05899
2006-01-01	0.06052
2006-04-01	0.06357
2006-07-01	0.06330
2006-10-01	0.06585
2007-01-01	0.06659
2007-04-01	0.30386
2007-07-01	0.24813
2007-10-01	0.25762
2008-01-01	0.27671
2008-04-01	0.27587
2008-07-01	0.25030
2008-10-01	0.24355
2009-01-01	0.23289
2009-04-01	0.24734
2009-07-01	0.25625
2009-10-01	0.25211
2010-01-01	0.23588