Quarter	Billions of US Dollars
1993-07-01	0.03000
1993-10-01	0.04500
1994-01-01	0.03000
1994-04-01	0.03000
1995-04-01	0.05000
1996-10-01	0.03000
1997-04-01	0.02500
2007-04-01	0.40444
2008-01-01	0.08944