Quarter	Billions of US Dollars
1987-04-01	-0.04000
1987-10-01	-7.84297
1988-04-01	0.03087
1988-07-01	0.14590
1988-10-01	-0.00112
1989-01-01	-0.02409
1989-04-01	0.05340
1989-07-01	-0.02750
1992-07-01	-0.13669
1993-04-01	-0.50000
1993-07-01	-0.08941
1994-04-01	-0.09027
1995-04-01	-0.09475
1995-07-01	-0.09247
1995-10-01	-0.09856