Quarter	Billions of US Dollars
1993-07-01	0.02200
1993-10-01	0.01200
1994-01-01	0.01650
1994-04-01	0.02000
1994-07-01	0.00800
1994-10-01	0.02200
1995-01-01	0.01100
1995-04-01	0.02000
1995-07-01	0.02000
1995-10-01	0.01400
1996-01-01	0.01000
1996-04-01	0.01500
1996-07-01	0.01066
1996-10-01	0.27613
1997-01-01	0.28841
1997-04-01	0.21812
1997-07-01	0.13491
1997-10-01	0.05788
1998-01-01	0.00500
1998-04-01	0.02067
1998-07-01	0.00041
1998-10-01	0.00027
1999-01-01	0.00368
1999-04-01	0.00260
2004-10-01	0.00500
2005-10-01	0.00500
2006-01-01	0.06000
2006-04-01	0.04500
2006-07-01	0.06000
2006-10-01	0.00500