Quarter	Billions of US Dollars
1996-04-01	0.13562
1996-07-01	0.19986
1996-10-01	0.21603
1997-01-01	0.21539
1997-04-01	0.17735
1997-07-01	0.16057
1997-10-01	0.14557
1998-01-01	0.28871
1998-04-01	0.36207
1998-07-01	0.34959
1998-10-01	0.27354
1999-01-01	0.26760
1999-04-01	0.25190
1999-07-01	0.15562
1999-10-01	0.01302
2000-01-01	0.00405
2000-04-01	0.00010