Quarter	Billions of US Dollars
2001-01-01	0.017664
2001-04-01	0.016960
2001-07-01	0.018262
2001-10-01	0.017626
2002-01-01	0.017448
2002-04-01	0.019950
2002-07-01	0.019720
2002-10-01	0.020974
2003-01-01	0.021790
2003-04-01	0.022854
2003-07-01	0.023304
2003-10-01	0.025260
2004-01-01	0.024448
2004-04-01	0.024310
2004-07-01	0.024818
2004-10-01	0.027242
2005-01-01	0.025928
2005-04-01	0.024184
2005-07-01	0.024084
2005-10-01	0.023594
2006-01-01	0.024208
2006-04-01	0.025426
2006-07-01	0.025320
2006-10-01	0.026340
2007-01-01	0.026636
2007-04-01	0.027010
2007-07-01	0.028358
2007-10-01	0.029442
2008-01-01	0.031624
2008-04-01	0.031528
2008-07-01	0.028606
2008-10-01	0.027834
2009-01-01	0.026616
2009-04-01	0.028268
2009-07-01	0.029286
2009-10-01	0.028812
2010-01-01	0.026958
2010-04-01	0.024542
2010-07-01	0.027296
2010-10-01	0.026724