Quarter	Billions of US Dollars
1997-01-01	0.075
1997-04-01	0.075
1997-07-01	0.075
1997-10-01	0.075
1998-01-01	0.075
1998-04-01	0.075
1998-07-01	0.075
1998-10-01	0.075
1999-01-01	0.075
1999-04-01	0.075
1999-07-01	0.075
1999-10-01	0.075