Quarter	Billions of US Dollars
1996-10-01	0.08603
1997-01-01	0.07936
1997-04-01	0.07643
1997-07-01	0.07538
1997-10-01	0.07436
1998-01-01	0.07209
1998-04-01	0.07372
1998-07-01	0.23729
1998-10-01	0.23726
1999-01-01	0.22638
1999-04-01	0.22150
1999-07-01	0.22547
1999-10-01	0.21819
2000-01-01	0.21239
2000-04-01	0.21242
2000-07-01	0.15966
2000-10-01	0.16334
2001-01-01	0.16012
2001-04-01	0.15772
2001-07-01	0.06215
2001-10-01	0.05999
2002-01-01	0.05938
2002-04-01	0.06790
2002-07-01	0.06711
2002-10-01	0.07138
2003-01-01	0.07416
2003-04-01	0.07778
2003-07-01	0.07931