Quarter	Billions of US Dollars
2000-04-01	0.020000
2000-07-01	0.055060
2000-10-01	0.057220
2001-01-01	0.055328
2001-04-01	0.053920
2001-07-01	0.036524
2001-10-01	0.035252
2002-01-01	0.034896
2002-04-01	0.039900
2002-07-01	0.039440
2002-10-01	0.041948
2003-01-01	0.043580
2003-04-01	0.045708