Quarter	Billions of US Dollars
1997-10-01	0.10000
1998-01-01	0.08900
1998-04-01	0.10500
1998-07-01	0.10500
1998-10-01	0.12743
1999-01-01	0.12745
1999-04-01	0.05203
1999-07-01	0.06358
1999-10-01	0.04082
2000-01-01	0.03198
2000-04-01	0.03687
2000-07-01	0.02465
2000-10-01	0.02617
2001-01-01	0.06222
2001-04-01	0.07901
2001-07-01	0.08507
2001-10-01	0.08211
2002-01-01	0.03766