Quarter	Billions of US Dollars
1993-07-01	0.56496
1993-10-01	0.49246
1994-01-01	0.15187
1994-04-01	0.55250
1994-07-01	0.68190
1994-10-01	0.67214
1995-01-01	0.76859
1995-04-01	0.20827
1995-07-01	1.38698
1995-10-01	2.38213
1996-01-01	4.54084
1996-04-01	5.63600
1996-07-01	4.35484
1996-10-01	3.25869
1997-01-01	1.64742
1997-04-01	1.85748
1997-07-01	1.84205
1997-10-01	2.16274
1998-01-01	1.68630
1998-04-01	0.37662
1998-07-01	0.36738
1998-10-01	0.03971
2001-10-01	0.20000
2002-01-01	0.67066
2002-04-01	0.69384
2002-07-01	0.67295
2002-10-01	0.47480