Quarter	Billions of US Dollars
1993-07-01	0.03000
1993-10-01	0.10305
1994-01-01	0.04480
1994-04-01	0.00720
2000-07-01	0.00927
2000-10-01	0.00870
2001-01-01	0.00803
2001-04-01	0.00806
2001-07-01	0.00838
2001-10-01	0.00759
2002-01-01	0.00751
2002-04-01	0.00837
2002-07-01	0.00823
2002-10-01	0.00834
2003-01-01	0.00832
2003-04-01	0.00834
2003-07-01	0.00899
2003-10-01	0.00934
2004-01-01	0.00959
2004-04-01	0.00923
2004-07-01	0.00901
2004-10-01	0.00960
2005-01-01	0.00932
2005-04-01	0.00906