Quarter	Billions of US Dollars
2002-07-01	0.61625
2002-10-01	1.04870
2003-01-01	1.08950
2003-04-01	1.14270
2003-07-01	1.16520
2003-10-01	1.26300
2004-01-01	1.22240
2004-04-01	1.23981
2004-07-01	1.26572
2004-10-01	1.38934
2005-01-01	1.32233
2005-04-01	1.23338
2005-07-01	1.22828
2005-10-01	1.20329
2006-01-01	1.23461
2006-04-01	1.29673
2006-07-01	1.29132
2006-10-01	1.34334
2007-01-01	1.35844
2007-04-01	1.37751
2007-07-01	0.56007
2007-10-01	0.58148
2008-01-01	0.62457
2008-04-01	0.03153
2008-07-01	0.02861
2008-10-01	0.02783
2009-01-01	0.02662