Quarter	Billions of US Dollars
1997-10-01	0.013750
1998-01-01	0.013750
1998-04-01	0.013750
1998-07-01	0.013750
2000-10-01	0.025000
2001-01-01	0.062500
2001-04-01	0.062500
2001-07-01	0.062500
2001-10-01	0.062500
2002-01-01	0.063152
2002-04-01	0.071225
2002-07-01	0.070822
2002-10-01	0.075497
2003-01-01	0.077431
2003-04-01	0.082792
2003-07-01	0.082966
2003-10-01	0.090511
2004-01-01	0.035327
2004-04-01	0.035242
2004-07-01	0.035677
2004-10-01	0.039456
2005-01-01	0.037530
2005-04-01	0.034869
2005-07-01	0.034944