Quarter	Billions of US Dollars
1998-07-01	0.01250
1998-10-01	0.04000
1999-01-01	-0.00442
1999-04-01	-0.03928
1999-07-01	-0.00352
1999-10-01	0.01995
2000-01-01	-0.00466
2000-04-01	-0.00057
2000-10-01	-0.00500
2001-01-01	0.00500
2001-04-01	0.01000
2001-10-01	-0.00200
2002-01-01	0.01500
2002-07-01	-0.01300
2002-10-01	0.00250
2003-01-01	-0.01500
2003-04-01	-0.00500
2003-10-01	-0.01250