Quarter	Billions of US Dollars
1993-07-01	0.030000
1993-10-01	0.045000
1994-01-01	0.030000
1994-04-01	0.030000
1995-04-01	0.050000
1996-10-01	0.030000
1997-01-01	0.024748
1997-04-01	0.096089
1997-07-01	0.042396
1997-10-01	0.067871
1998-01-01	0.015619
1998-04-01	0.058934
1998-07-01	0.010715
2008-01-01	0.089444