Quarter	Billions of US Dollars
1996-01-01	0.05877
2006-01-01	0.09034
2006-04-01	0.06088
2006-10-01	0.01749
2007-01-01	0.04830
2007-07-01	1.06577
2007-10-01	0.18124
2008-04-01	0.06670
2009-01-01	0.16628
2010-04-01	0.01292
2010-10-01	0.00608